B E W E G U N G M I T S Y S T E M
SAFE T Y WITH VENTILATION POWER GEZE CONTROL TECHNOLOGY FOR
SMOKE AND HEAT EXTRACTION SYSTEMS
G E Z E S M O K E A N D H E AT E X T R A C T I O N ( R WA ) A N D V E N T I l AT I O N T E C H N O lO G Y
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Contents
Foreword Safety with ventilation power – GEZE smoke and heat extraction systems 14
Chapter 1 GEZE RWA systems – components and system structure 16
Chapter 2 GEZE emergency power supply units
2.1 GEZE THZ compact staircase control unit 8
2.2 GEZE THZ Comfort compact staircase control unit 10
2.3 GEZE RWA emergency power supply unit E 260 N 12
2.4 GEZE RWA modular BuS central unit MBZ 300 15
Chapter 3 3.1 Possible combinations of RWA systems 22
3.2 Connecting RWA systems to bus systems 22
Chapter 4 GEZE RWA accessories 23
Chapter 5 Wiring diagrams and cable plans 28
Chapter 6 Legal principles
6.1 Building law 33
6.2 Building products law 36
6.3 Servicing and maintenance 37
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GEZE RWA smoke and heat extraction systems – safety with ventilation power
GEZE offers solutions for a variety of different requirements for anything to do with the opening and closing of windows. Our wide product range covers a wide choice of drive systems for daily ventilation to complete fresh air and exhaust air solutions to ensure safe and efficient smoke and heat extraction (NRA) as well intelligent control unit systems – safety with ventilation power.
At GEZE, we pride ourselves on a holistic approach – from planning over technical implementation to maintenance support.
Fire protection includes both “fire defence” and “preventative fire protection”:
j Fire defence: The term “fire defence” or “fire protection” refers to all measures, which fight the danger for life, health and material goods in case of a fire.
j Preventative fire protection: This includes all measures, which prevent a fire from starting and/or spreading and keep escape routes clear. It aims at preventing a fire from spreading for as long as possible in order for people to escape and give fire fighters time to allow people to safely vacate a burning building.
The RWA smoke and heat extraction system is a “preventative fire protection measure”, which saves lives in the event of a fire. Building law, special building codes and the technical legislation of the German govern-ment and federal states form its legal foundation.
A fire generates a large amount of heat, smoke and hot fumes. The most important task of a RWA system is to conduct these combustion products away from the building quickly and effectively. Rooms and buildings without a heat and smoke extraction system rapidly fill up with toxic fumes in the event of a fire.
In buildings without a RWA system, the danger for victims and emergency personnel is multiplied, as the lack of a heat and extraction system quickly allows the fire to get out of control and the impenetrable smoke layer makes an active or passive rescue impossible.
FOREWORD
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Spreading of smoke/fumes without RWA
Spreading of smoke/ fumes with RWA
Casualties as a consequence of direct contact with fire are rare, almost 90% of all fire-related incidents are suffocation through smoke gases. “The majority of fire victims die by suffocation” – the reasons are twofold:
j Deadly components of smokej Components with corrosive effect, which cauterise the lungs and respiratory passages
Due to thermal lift, large amounts of fumes rise to the top of a room and fill it and the building with smoke. In the worst case scenario, the high ambient temperature can cause a building to collapse.
The preservation of the building construction is therefore a major component of any RWA system. This allows casualties to leave the building and gives emergency staff more time for active rescue, i.e. the eva-cuation of the building.
The principle of natural smoke extraction:
Activated by automatic smoke detectors or manual triggers, the RWA openings at the top of the building are opened by electromechanical drives. Smoke gases thermally rise and can escape through these ope-nings right from the start. The required intake openings in the lower parts of the building reinforce this process through compensation of mass flow.
In summary, the use of smoke and heat extraction systems in buildings achieves the following:
FOREWORD
j Personal protection j Environmental protection j Material protection
Keeping rescue routes smoke-free: Reduction of environmental damage: Preservation of basic building structure:
j Active rescuej Minimisation of damage through
fire-fighting measuresj Support of fire-fighting measures
j Passive rescue j Minimum use of extinguishing agents j Ventilisation of the fire
j localisation of the fire j Minimisation of thermal impact
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RWA system components
Electromechanical drivesElectromechanical drives are used to open and close the intake and extraction areas in the RWA system and for ventilation. Drives can be function-tested at any time without material usage. Thanks to the construc-tion and design of the SHEV, these drives can be used for any window or frame profile and offer flexible installation options with any profile system.
Electric controlThe control unit features two independent energy supplies (mains and battery), which ensure operation in any situation. The functional reliability of all lines and release mechanisms is monitored. In the event of a fire, automatic fire detectors or an external fire alarm system (BMA) ensure a swift activation through the parameter smoke. Additionally, there is a variety of comfort ventilation options available, such as automatic or temporary ventilation or a stroke-arresting device in the ventilation area for daily ventilation as required.RWA openings can be actuated in relation to the wind direction to ensure that smoke is extracted via the downwind side of the building.
The manual electric control deviceThe manual electric control device is used for manual activation of the RWA system and for display of operating and alarm conditions.
Automatic detectors and sensorsVarious sensors and detectors offer safety functions or allow for comfortable, natural ventilation. Wind, rain and temperature sensors and controllers are used for automatic ventilation and weather control. Thanks to the GlT, sensors from other systems can be used to control the RWA and ventilation system.Smoke and temperature detectors or heat differential detector are designed to detect a fire and automa-tically trigger smoke extractors.
If the system is also to be used for ventilation, further components, such as vent switches, must be se-lected. If the alarm is activated, the windows open at their full opening angle. In this case, the vent swit-ches are deactivated. The windows are closed via the RWA sensor or the alarm reset function in the control unit. These functions are controlled through the RWA control unit, which supplies electricity to the system components and bridges power failures. The main components and functions of an RWA system are detailed below.
GEZE RWA systEms
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GEZE RWA systEms System structure - functional description
In essence, an electric RWA control system consists of the components detailed iin the illustration below. The system covers two large task areas: Emergencies and daily ventilation.
A GEZE RWA system is suitable for the everyday airing of rooms as well as smoke extraction in the event of a fire. The emergency power supply unit controls the smoke and heat extraction. Windows, smoke flaps or dome lights are opened or closed by electric drives.
For airing and ventilation, the system is controlled by a vent switch, rain/wind control or timer and in the event of a fire either manually via the RWA sensor or automatically via smoke and/or heat differential detector. In addition, optional alarm signals can be connected.
Components of an RWA system (other components are optional)
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1 = Exhaust air system: Spindle drive (E 3000), Opening and locking system (RWA 100E), Chain drive (E 740)
2 = Fresh air system: Retractable arm drive (K 600)3 = Signal inputs: Rain/wind control4 = Ventilation group: Vent switch5 = Alarm group: RWA switch
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GEZE tHZ
GEZE THZ compact staircase control unit
The RWA complete solution for staircases
RWA emergency power supply units enable the coordinated actuation and release of fresh and exhaust air openings equipped with electrically operated drives. With the new THZ emergency power supply unit, GEZE is presenting a compact solution for reliable smoke dissipation in staircases. The new control unit permits connection of a complete smoke dissipation solution comprising at least two drives, one fresh air and one exhaust air opening. The THZ is great value for money thanks to its high performance capacity and installation advantages.
• 3.4 A output current • 3 signal contacts for which parameters can be set: alarm/ fault/ window open • Weather station, lockable, without additional board • Reset possible via external contact • Mains voltage 230 V AC 50 Hz • Output voltage 24 V ±15% • Emergency power supply min. 72 hours through 2 x 12 V batteries • Ambient temperature -5°C to +40°C • Can be used for RWA and daily ventilation • Individual component replacement possible (board, power pack and battery) • Cable monitoring on alarm and drive lines • Adjustable reaction to mains failure (OPEN, CLOSED or no reaction) • Illuminated LED display for operating, fault and maintenance signal • Enclosure rating IP 30 THZ• Up to 10 RM1003 smoke detectors or WM1005 heat differential detectors • Up to 8 RWA buttons FT4-24 V DC • For three vent switches (LTA 24 AZ) with LED (or any number without LED connected) • Simple connection to fire alarm central unit through fire alarm central unit input (e.g. fire alarm central unit in dead man‘s function) • Wind/rain detector can be connected without additional module • Parameters can be set for 3 potential-free signal contacts
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THZ
Dimensions (W x H x D) 193 x 285 x 89 mm
Number of vent assemblies 1
Output current max. 3.4 A
RWA buttons max. 8 x per line
Smoke detectors max. 10 x per line
Heat differential detectors max. 10 x per line
Signal inputs available • Rain/wind control and external fire alarm system (potential-free) • 2 signal inputs for which parameters can be set
Signal outputs available 3 signal contacts for which parameters can be set
Power data transformer/battery 100 VA / 2.1-2.3 Ah
Connection cross-section/mains 2.5 mm2
Terminal cross-section motor line 2.5 mm²
TECHNICAL DATA
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Info
THZ
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ComponentsDrives for windows and smoke flaps Vent switchesRain/wind control 3 signal contacts: alarm/ fault/ window open RWA buttons Smoke detectors and heat differential detectors Alarm from external fire alarm system
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Description Version ID no.THZ compact staircase control unit White RAL 9016 139151
RWA button FT4 plastic housing, 24 V DC
Orange similar to RAL 2011 136232Red similar to RAL 3000 136233Blue similar to RAL 5009 136234Grey similar to RAL 7035 136235
Yellow similar to RAL 1018 136236RWA button FT4 VdS certified Orange RAL 2011 099561
RWA button FT4/24 V DC, not certified
Orange RAL 2011 106380Blue RAL 5015 106381Grey RAL 7035 106382
Yellow RAL 1021 106885AS 500 vent switch LTA-24-AZ, surface-mounted 129393Smoke detector RM 1003/24 V DC with base 112877Heat differential detector WM 1005/24 V DC + base 112878Replacement power pack THZ 140157Replacement board THZ 140158Terminal bag THZ 140034Accessories bag THZ 140029
ORDER INFORMATION - GEZE STAIRCASE CONTROL UNIT THZ
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GEZE tHZ Comfort
GEZE THZ Comfort compact staircase control unit
Safety plus with the new full smoke and heat extraction solution for stairwells
GEZE has expanded the THZ emergency power control unit to include the THZ Comfort version. This enables the coordinated control and triggering of all fresh air and exhaust openings fitted with electric drives. Attractive and with the smallest of dimensions, the sys-tem can be mounted in a space-saving manner even in the visible areas of small stairwells. A particular benefit of the new integrated smoke and heat extraction and ventilation buttons is that they no longer need to be cabled separately. The THZ Comfort enables the connection of a complete smoke removal solution. With a high output current of 3.4 A, it is very powerful and offers greater flexibility in the selection of window drives.
• 3.4 A output current • 3 signal contacts for which parameters can be set: alarm/ fault/ window open • Weather station, lockable, without additional board • Reset possible via external contact • Mains voltage 230 V AC 50 Hz • Output voltage 24 V ±15% • Emergency power supply min. 72 hours through 2 x 12 V batteries • Ambient temperature -5°C to +40°C • Can be used for RWA and daily ventilation • Individual component replacement possible (board, power pack and battery) • Cable monitoring on alarm and drive lines • Adjustable reaction to mains failure (OPEN, CLOSED or no reaction) • Illuminated LED display for operating, fault and maintenance signal • Enclosure rating IP 30 Additional product benefits• Integrated RWA button and integrated ventilation switch• Illuminated control panel good visibility of the buttons increased safety• Full metal housing - high rigidity capable for installation in public area
See chapter THZ on page 8
PRODUCt FEAtUREstHZ COmFORt
CONNECtION POssIBILItIEs
THZ Comfort
Dimensions (W x H x D) 140 × 248 × 85 mm
Number of vent assemblies 1
Output current max. 3.4 A
RWA buttons max. 8 x per line
Smoke detectors max. 10 x per line
Heat differential detectors max. 10 x per line
Signal inputs available • Rain/wind control and external fire alarm system (potential-free) • 2 signal inputs for which parameters can be set
Signal outputs available 3 signal contacts for which parameters can be set
Power data transformer/battery 100 VA / 2.1-2.3 Ah
Connection cross-section/mains 2.5 mm2
Terminal cross-section motor line 2.5 mm²
TECHNICAL DATA
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ComponentsDrives for windows and smoke flaps Vent switchesRain/wind control 3 signal contacts: alarm/ fault/ window open RWA buttons Smoke detectors and heat differential detectors Alarm from external fire alarm system
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Description Version ID no.
THZ Comfort compact staircase control unit
Orange RAL 2011 140900
Red RAL 3001 140901
Blue RAL 5015 140902
Yellow RAL 1021 140903
Grey RAL 7035 140904
White RAL 9016 140905
to RAL 140906
RWA button FT4 plastic housing, 24 V DC
Orange similar to RAL 2011 136232Red similar to RAL 3000 136233Blue similar to RAL 5009 136234Grey similar to RAL 7035 136235
Yellow similar to RAL 1018 136236RWA button FT4 VdS certified Orange RAL 2011 099561
RWA button FT4/24 V DC, not certified
Orange RAL 2011 106380Blue RAL 5015 106381Grey RAL 7035 106382
Yellow RAL 1021 106885AS 500 vent switch LTA-24-AZ, surface-mounted 129393Smoke detector RM 1003/24 V DC with base 112877Heat differential detector WM 1005/24 V DC + base 112878Replacement power pack THZ Comfort 140159Replacement key for THZ Comfort 142113Replacement board THZ Comfort 140160Battery set 028260Clamping plug set THZ 140034Accessories bag THZ 140029
ORDER INFORMATION - GEZE COMFORT STAIRCASE CONTROL UNIT
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GEZE RWA emergency power supply unit E 260 N
Central control units for single components
The E 260 N RWA emergency power unit is the central control unit, to which various components are connected. It controls these com-ponents and supplies them with power. In the event of a fire, they are activated by automatic smoke detectors, manual RWA switches or external alarm sensors. When activated, the RWA openings are opened or closed, depending on the configuration of the RWA emer-gency power unit. Drives on windows and smoke extraction openings can be controlled via vent switches for normal ventilation use. The RWA function overrides the ventilation function.
j All emergency power supply units E 260 N are VdS-certified and tested in accordance with DIN EN 12101-10
j Mains voltage: 230 V AC 50 Hzj Output voltage: 24 V (20–30 V) DC, residual ripple: < 20%j Emergency power supply minimum 72 hours via 2 x 12 V lead batteryj All functions maintained even with emergency power supply; in battery operation,
only one ventilation option (window OPEN) is no longer possiblej Individual protection of motor groups, line and battery controlj Pile direction of drives adjustable in case of alarm (simple jumper adjustment)j lED display for operation and fault indicatorj Protection class: IP 54j Ambient temperature: -5 0C to +40 0C
RWA EMERGENCy POWER SUPPLy UNITS E 260 N2/1 - N12/2j up to four groups, depending on type of emergency power unitj up to 20 RM1003 smoke detectors and/or WM1005 heat differential detectorsj up to 10 FT4 – 24 V DC RWA sensorsj Adjustable opening duration for ventilation/airingj Three vent switches with lED per group / any number without lEDj Optional retrofitting with additional board for the potential-free status contacts:
alarm (horn), fault (warning light), window OPEN (warning light)j Input for BMZ signal, line controlled
RWA EMERGENCy POWER SUPPLy UNITS E 260 N32/2 - N32/8j up to eight drive groupsj 15 FT4 – 24 V DC RWA sensors, up to 30 in connection with a second alarm groupj 20 RM1003 smoke detectors and/or WM1005 heat differential detectors, up to 40 in connection with a
second alarm groupj Three vent switches with lED per group / any number without lEDj Adjustable opening duration for ventilation/airingj Inputs for rain/wind controlj Protection class: IP 54j Second alarm group (optional)j up to 30 systems can be linked (optional)j Input for BMZ signal, line controlledj Automatic maintenance light
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Overview of E 260 N emergency power control units
The type designation of the E 260 N RWA emergency power control unit shows the maximum permissible output current of the drives and maximum number of connected ventilator groups. All E 260 N emergency power supply units are VdS-certified and tested in accordance with DIN EN 12101-10.
GEZE RWA E 260 N2/1 VdS N4/1 – N4/2 VdS N8/1 – N8/4 VdS N12/2 VdS N32/2 – N32/8 VdS
Dimensions (W x H x D) 256 x 217 x 112 mm 295 x 261 x 112 mm 362 x 319 x 131 mm 362 x 319 x 131 mm 600 x 600 x 210 mm
Number of ventilator groups max. 1 1-2 1-4 1-2 2-8
Output current max. 2.0 A max. 4.0 A max. 7.5 A max. 12 A max. 32 A
RWA sensors max. 4 in line max. 10 in line max. 10 in line max. 10 in line max. 15 in line
Smoke detectors max. 10 in line max. 10 in line max. 10 in line max. 20 in line max. 20 in line
Heat differential detectors max. 10 in line max. 10 in line max. 10 in line max. 20 in line max. 20 in line
Available signal inputs Rain/wind control and external fire alarm system (potential-free)
Performance data transformer/battery 80 VA / 1.2 Ah 130 VA / 2.1 Ah 260 VA / 6-7.2 Ah 480 VA / 6-7.2 Ah 1400 VA / 17 Ah
Terminal cross-section Control line max. 2.5 mm2 and motor line max. 4.0 mm2
CONNECtING POssIBILItIEs
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ComponentsRWA emergency power control unitWindow and smoke vent flap drivesVent switchesTimerRain/wind controlWindow OPEN signal (optional)Fault signal (optional)External fire detection system alarmAlarm signal (alarm retransmission) (optional)Smoke detector and heat differential detectorRWA sensors
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Description Vent assembly Max. output
current ID no.
GEZE E 260 N2/1 1 2 A 100612GEZE E 260 N2/1 UP 1 2 A 100613GEZE E 260 N4/1 1 4 A 100614GEZE E 260 N4/2 2 4 A 100615GEZE E 260 N8/1 1 7,5 A 100616GEZE E 260 N8/2 2 7,5 A 100617GEZE E 260 N8/3 3 7,5 A 100618GEZE E 260 N8/4 4 7,5 A 100619GEZE E 260 N12/2 2 12 A 110500GEZE E 260 N32/2 2 32 A 119629GEZE E 260 N32/4 4 32 A 119630GEZE E 260 N32/6 6 32 A 119631GEZE E 260 N32/8 8 32 A 119632Line module for two vent assemblies E 260 N32 Vds 1103072nd alarm assembly for E 260 N32 110308System connection E 260 N32 110309Signal contact for E 260 N2 to N32 078111
ORDER INFORMATION - GEZE EMERGENCy POWER SUPPLy UNITS E 260 N
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GEZE RWA modular BUS control unit MBZ 300
RWA BUS control unit MBZ 300 – modular, flexible and easy to handle
The RWA emergency control unit is the central control unit. It controls all connected components, supplies them with power and bridges power failures. If the alarm is activated, the windows and smoke extraction openings are automatically opened or closed, depending on the configuration of the RWA emergency power control unit. With the MBZ 300, the drives on windows and smoke extraction openings can also be controlled for daily ventilation/airing. The MBZ 300 emergency power control unit is a piece of state-of-the-art technology and complies with all relevant safety regulations.
GEZE MBZ 300 modular principleThanks to the optional software configuration and the modules’ extensive application area, special applications require a minimum amount of special installations in the control unit. The modules can be mounted on a standard DIN rail (TS 35). If the module is connected correctly, it is recognised via BuS and automatically integrated into the system. Faulty connections are indicated by a fast blinking operating display or the relevant fault display. The modular system allows a variable and object-related design of fire areas and ventilation groups.
j Control of electrically motorised 24V DC drives for smoke and heat extraction in the event of a firej Natural ventilation controlj Internal BuS system for a modular infrastructurej Modular, expandable j Ventilator groups j Alarm groups j Output current j Wind direction dependent activation j CAN connectionj Integration in an external BuS system (e.g. CAN) possiblej 30 control units can be linked on one busj Can be configured without a PCj Direct operation on the modulesj lED display mode can be adjusted in the RWA sensorsj uSB interface for configuration and control of the central unit via Software for updates and
saving of user informationj Release and supply of pressured gas generators and magnetic clamps possiblej Processing of actuation signals from manual and automatic fire detectors and fire alarm systemsj Manual and automatic ventilation control (via vent switches, wind/rain sensors, room temperature
sensors etc.)j Optional special software for maintenance, configuration and update for
Windows 2000 / XP / VISTA (via uSB connection)j Compatibility in accordance with EN 12101-10 and 2101-9j NRA/RWA battery operation in case of mains power supply failurej line control for all manual and automatic detectors and drive linesj Visual operation and fault signals to allow swift fault detectionj Digital storage of important operating states and service settings
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j PM power module to control mains and battery voltage, charging circuit and batteryj PME power module extension to control more than one power supply adaptor (max. 3 power supply
adaptors 24 A for 72 A)j CM control module for the connection of manual and automatic fire detectors and external EMERGENCY
OPEN actuation signals; with uSB connection; input central ventilation sensor for all ventilator groupsj SM sensor module with connection options, for example CM control module. The sensor module requi-
res a control module; central ventilation sensor input for the fire areaj DM drive module for max. 10 A drive current for connection of 24 V DC drives, sensors and control units.
With appropriate programming, the pressured gas generators or magnetic clamps can be actuated and/or supplied; with inhibiting input potential-free for mapping of sequence controls, for example
j WM weather module for operation of wind and rain sensors and the wind direction dependent opening and closing of smoke extractors in the event of a fire
j Temperature sensor for temperature-controlled battery charging
All units are housed in a contained a sealable surface-mounted casing made from enamelled steel plate (RAl 7035) with lock insert (two-way key bit, 3 mm), protection class IP 54. The casing dimensions are the same for all control unit versions.
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ComponentsMBZ 300 RWA modular bus control unitWindow and smoke vent flap drivesVent switchRain/wind controlAlarm and fault signalsRWA sensorsSmoke detectors and heat differential detectorsExternal fire detection system alarm8
OVERVIEW mBZ 300
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GEZE PME power module extension24 A or 10 A additional (depending on power supply adaptor)j Monitors the energy supply j Automatic switch between mains and battery operation
GEZE CM control module Exactly one CM control module required for the first fire area:j 3 detector lines for FT4, smoke detector, external BMZ signalj uSB portj Status contact for fault or alarmj Central ventilation sensorj Ventilation control commands of the CM override sensor module commands (other fire areas)
GEZE SM sensor module For additional fire areas:j Detector lines (max. 3) andj Central ventilation sensor for the fire area (ventilation control commands override control module commands)
GEZE DM drive modulej Drive line to max. 10 A (with the relevant software configuration, pressured gas generators or retention magnets can be actuated)j Connection of vent switches and operating status displaysj Connection of reed-contacts for sequential control, for example
GEZE WM weather module, Rain/wind control No more than one weather module required:j Connection of wind and rain sensorsj Wind direction transmitter for wind direction dependent activation
GEZE PM power module24 A or 10 A for one fire area (depending on power supply adaptor)j Monitors the energy supply j Charge controllerj Automatic switch between mains and battery operation
PM power module
DM drive module
SM sensor module
CM control module
PME power module extension
GEZE MBZ 300 components
Power supply (depending on version)
j 1 power supply adaptor 10 A and 2 emergency power batteries 12 V (minimum)j 1 power supply adaptor 24 A and 2 emergency power batteries 12 Vj 2 power supply adaptors 24 A and 2 emergency power batteries 12 Vj 3 power supply adaptors 24 A (=72 A) and 2 emergency power batteries 12 VModules
WM weather module
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GEZE RWA MBZ 300 N10 N24 N48K N48G N72
Switch cabinet dimensions (W x H x D) 400 x 500 x 200 mm 600 x 600 x 250 mm 600 x 600 x 250 mm 600 x 800 x 250 mm 600 x 800 x 250 mm
Output current for drives max. 10 A max. 24 A max. 48 A max. 48 A max. 72 A
Power supplies (integrated) 1 x 10 A 1 x 24 A 2 x 24 A 2 x 24 A 3 x 24 A
Modules (integrated) PME power module extension
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PM power module d 1 PM d 1 PM d 1 PM d 1 PM d 1 PM
CM control module d 1 CM d 1 CM d 1 CM d 1 CM d 1 CM
DM drive module d 1 DM d 3 DM d 6 DM d 6 DM d 9 DM
Fire areas 1 1 1 1 1
Ventilation groups 1 3 6 6 9
Space for additional modules 8 18 5 13 8
Battery (insertable) 12 Ah 17 Ah (24 Ah, 38 Ah) 24 Ah (38 Ah) 24 Ah (38 Ah) 38 Ah
Battery connection Flat-pin plug 6.3 mm MS5 ring terminal MS5 ring terminal MS5 ring terminal MS5 ring terminal
d = Yes s = No
Expandability
j Further ventilation groups by installing additional DM drive modulesj Further fire areas or alarm lines by installing additional SM sensor modules
Module configuration
The control unit has been configured in the factory. The configuration can be modified by instructed experts via an optional software programme. The configuration can be done simply through a PC via the uSB connection integrated in the CM.
Main configuration features:j Grouping and combination of ventilation groupsj Catch or deadman operation of vent switchesj Priority of ventilation controls (the vent switch on the CM control module is superior by default)j Free grouping and combination of fire areas (the DM module which is subordinated to the CM control module or SM sensor module forms one activation mechanism by default)j Function of lED outputs on the DMj Connection of pressurised gas generators or retention magnets instead of drives to the DM drive modulej End position signal of drives on the DM drive modulej Mapping of sequence controls with 2 end position evaluationsj Setting for wind direction dependent opening and closing in the event of a firej Wind speed threshold for automatic closingj Wind and rain sensor display mode
Additional features with optional software:j Saving and recording for commissioning and maintenance, display of recorded faults
Overview of technical data for emergency power control unit MBZ 300
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Equipment and configuration
Overview modules and componentsj PM power modulej PME power module extensionj CM control modulej SM sensor modulej DM drive modulej WM weather modulej Power supply 10 A, PS10Aj Power supply 24 A, PS24A
Minimum and maximum equipmentj The minimum equipment consists of 1 switch mains adaptor, 1 PM power module, 1 CM control module and 1 DM drive modulej The maximum equipment can consist of up to 64 bus modules with max. 72 A (3 switch mains adapters at 24 A each). For higher power requirements, several control units can be configured as one unit via the software.
Deciding on the correct design
Switch mains adaptors and power modulesThe number of required switch mains adaptors and possibly PME power extensions depends on the maximum drive current.The PM power module is always required. For each additional switch mains adaptor, another PME will be required.
Determine the following based on the maximum power requirement:j Number of switch mains adaptors (10 A or 24 A, max. 3 switch mains adaptorsj Number of power module extensions ( PME, 24 A max. each, 1 per switch mains adaptor, max. 1 PM + 2 PME).j Battery types for emergency power supply
Batteries for emergency power supplyConsider the following when choosing the battery:j Bridging time for emergency power operation in case of power failurej Max. drive currentj Number and types of modulesj Number of connected detectors
The emergency power supply must be guaranteed for 72 h and motor operation must be possible for a further 180 h after that (2 x opening and 1 x closing) at maximum motor current. This is taken into consideration for the following examples.
Examples for choosing the required battery capacity for MBZ 300 standard control units:
Battery capacity N10 N24 N48K N48G N72
12 Ah
Motor current: 10 A1 x SM, 5 x DM
20 x RWA sensors30 x smoke detectors
s s s s
17 Ah s
Motor current: 24 A1 x SM, 8 x DM
30 x RWA sensors30 x smoke detectors
s s s
24 Ah s
Motor current: 24 A4 x SM, 12 x DM
40 x RWA sensors60 x smoke detectors
Motor current: 48 A1 x SM, 9 x DM
30 x RWA sensors40 x smoke detectors
Motor current: 48 A1 x SM, 9 x DM
30 x RWA sensors40 x smoke detectors
s
38 Ah s
Motor current: 24 A8 x SM, 24 x DM
60 x RWA sensors60 x smoke detectors
Motor current: 48 A5 x SM, 22 x DM
60 x RWA sensors60 x smoke detectors
Motor current: 48 A5 x SM, 22 x DM
60 x RWA sensors60 x smoke detectors
Motor current: 72 A3 x SM, 18 x DM
40 x RWA sensors60 x smoke detectors
d = Yes s = No
For different combinations, the required capacity must be calculated.
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~
MBZ300
MBZ300
PS 10A
~12
5 m
m
~85 mm
~12
5 m
m
~175 mm
PS 24A
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DM drive module for ventilation groupsOne DM drive module provides a maximum of 10 A for the connection of a ventilation group.
Worked sample
Power requirement Drive module 10 A Switch power supplies Power modules
16 A 2 (20 A) 1 x 24 A 1 (PM)
30 A 3 (30 A) 1 x 24 A + 1 x 10 A 2 (PM + PME)
CM control module and SM sensor moduleA CM control module is required in any case, as this monitors the first fire area. For each additional fire area, another SM sensor module is required.
WM weather moduleA WM weather module is needed for wind direction dependent activation. Weather signals for closing during ventilation can also be added to the central sensor input on the CM.
CasingThe casing dimension depends on the number and arrangement of modules, the number of required switch power supplies and size of the batteries.
Space requirements of modules and components on the DIN rail (width)
Note: If only one switch power supply with 10 A is used, its space requirement on the DIN rail is added to that of the modules. Otherwise, switch power supplies are on a separate DIN rail.
Modules
j CM control module, SM sensor module, DM drive module, WM weather module: approx. 23 mm
j PM power module, PME power extension module: approx. 46 mm
Examplesj PM, CM and DM (minimum equipment): 46 + 23 + 23 = 92 mm – or – with WM: 92 + 23 = 115 mm
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Battery type Nominal voltage Capacity Length Width Height Weight Pole type
NP 12-12 12 V 12 Ah 151 mm 198 mm 97.5 mm 4.09 kg 6.3 mm
NP 17-12 I 12 V 17 Ah 181 mm 176 mm 167 mm 5.97 kg M5
NP 24-12 I 12 V 24 Ah 166 mm 175 mm 125 mm 8.92 kg M5
NP 38-12 I 12 V 38 Ah 197 mm 165 mm 170 mm 13.93 kg M5
These dimensions apply for 1 battery. Two batteries are needed per control unit.
Connection of the MBZ control unit
The following module connection types apply:
Supply voltagej PM power modulej PME power module extensionj DM drive module
BUS connection (ribbon cable)j All modules (only connection with PME – PM on top of module, remaining modules underneath)
External componentsj Sensors, drives etc. (push terminal on top of the module)
Battery dimensions
ORDER INFORMATION – COMPONENTS GEZE EMERGENCy POWER CONTROL UNIT MBZ 300
Descriptionfree
module slotsVent
assemblyMax. output
currentID no.
GEZE emergency power control unit MBZ 300 N10 8 1 10 A 137428GEZE emergency power control unit MBZ 300 N24 18 3 24 A 137430GEZE emergency power control unit MBZ 300 N48K 13 6 48 A 137461GEZE emergency power control unit MBZ 300 N48G 5 6 48 A 137462GEZE emergency power control unit MBZ 300 N72 8 9 72 A 137463Power supply PS 10 A 134333Power supply PS 24 A 134334Power module PM 134320Power module extension PME 134331Control module CM 134316Drive module DM 134317Sensor module SM 134318Weather-Modul WM 134332CAN module 134319Battery set 12 Ah 020494Battery set 17 Ah 111537Battery set 24 Ah 020497Battery set 38 Ah 135694Replacement resistors MBZ 300, for line control CM and SM 136448Replacement fuses MBZ 300 137245Substitute resistors MBZ 300, for line control DM 137246
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Possible combinations of RWA systems with E 260 N, MBZ 300 and THZ / THZ Comfort
Connecting RWA systems to BUS systems
RWA system in combination with a shutter system
For this combination, a sequence control *) is required. This control should ensure that the windows do not open when the shades are down and vice versa (i.e. the shutter system should not obscure/close, whilst the windows are open).When the windows are opened for airing/ventilation or if the alarm is activated, the emergency power control unit issues a signal to the shutter system in order to open the shades. Only when a customer-supplied limit switch (potential-free opener) on the shutter system signals to the control unit that the shades are fully open, a fitted spindle drive, for example, can be deployed (window opens).For closing, this process is reversed: Only when the limit switch on the window drive signals to the control unit that the windows are closed, the shutter system can obscure. If the window drive or shutter system does not receive any signals, the windows remain open or closed (STOP).
*) Not a fixed unit, consists of on-site wiring of relays
RWA system in combination with mechanical smoke extractionMechanical smoke extraction works independently of a natural smoke extraction system. Nevertheless, there are applications, in which the exhaust air of a smoke and heat extraction system is realised with fans and the fresh air via natural RWAs. Fans, for example, should only start when the fresh air windows are fully open (due to underpressure). In this case, the fans only start, when they receive a potential-free signal from the RWA control unit (external alarm).
As most systems feature so-called output modules (actuators) with potential-free switch contacts, GEZE RWA systems can be connected to customer-supplied BuS systems such as EIB, lON, CAN etc.
Connecting possibilities:
Alarm functionj As a rule, at least one RWA sensor should be connectedj If desired, the smoke detector can be connected independently from the BuS systemj For “AlARM OPEN“, a potential-free closing contact can be connected to the BMZ output (impulse signal is sufficient)j For “ClOSE/RESET after alarm“, a potential-free closing contact is connected parallel to the “ClOSE button“ in the RWA sensor (cl. 1 and cl. 4); one impulse signal is sufficient, the motors automatically move into their end position
Ventilation function, OPEN/CLOSE only without STOPOne potential-free closing contact is connected per ventilation group between cl. 1 and cl. 2 (direction OPEN) and cl.1 and cl. 3 (direction ClOSE); one impulse signal is sufficient, the motors automatically move into their end position.
Ventilation function, OPEN/CLOSE and STOPOne potential-free closing contact is connected per ventilation group between cl. 1 and cl. 2 (direction OPEN) and cl.1 and cl. 3 (direction ClOSE) and one potential-free opening contact per ventilation group between cl.1 and cl. 4 (STOP function).
Rain/wind controlThe rain/wind control requires a potential-free closing contact. When this signal is present, any ventilation functions are ineffective.
FeedbackThe following signals are available potential-free through the additional board “status contacts”:j Alarm, after alarm activation through RWA sensor or smoke detector or BMZj Fault, as collective error message for all recordable faultsj Window OPEN
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Description Version Id. Nr.RWA senor FT4 plastic casing, 24 V DC Orange RAl 2011 136232
RWA-Taster FT4 plastic casing, 24 V DC
Red RAl 3000 136233Grey RAl 7035 136235Blue RAl 5009 136234Yellow RAl 1018 136236
RWA sensor FT4, plastic casing
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Actuation devices
GEZE RWA sensor FT4/24 V DC-VdSRWA sensors FT4 with push button lock are designed for manual alarm activation in the event of a fire. The surface-mounted casing is made of durable aluminium diecast with a replaceable glass pane in accordance with DIN 14655. This casing offers clear quality benefits in terms of protec-tion against vandalism and is particularly recommended for public buildings and institutions.
j Easily recognisable actuation through push button lockj Max. switching capacity: 100 mA 24 V DCj Alarm reset buttonj With operating mode lEDsj Flush-mounted
Installation recommendationsj Distance of push button switch to floor 1.4 ±20 cmj Visible position in stairway or corridorj RWA sensor must not be covered by door leaves
GEZE RWA switch FT4 KRWA switches FT4 K are intended for the manual triggering of alarms in the event of fire. The surface-mounted housing is produced from stable plastic with a replaceable glass pane.
j Switching capacity max. 100 mA 24 V DC j Reset button to reset the alarmj lED displays for: Alarm window, OPEN/ClOSED, operation OK and fault
Description Version Id. No.RWA sensor FT4 VdS-certified Orange RAl 2011 099561
RWA sensor FT4
Red RAl 3001 106380Grey RAl 7035 106382Blue RAl 5015 106381Yellow RAl 1021 106885
Actuation devicesApplication area: Manual alarm activation:
RWA sensor FT4
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Actuation devices
GEZE heat differential detector WM 1005/24 V DC-VdSrThe heat differential detector type 1005 with VdS certification works according to the functional principle of semiconductor temperature sensors. The response values are temperature increase and the temperature threshold of the ambient temperature. With VdS certification.Dimensions: 42 mm x ø 102 mm, weight 120 g
j Operating voltage 8 V to 30 Vj Individual display with red lEDj Ambient temperature -20 0C to +60 0C
Note:Heat differential detectors should not be used, when fluctuations in operational fluctuations are expected.
Description Id. No.WM 1005 heat differential detector VdS-certified 112878
WM 1005 heat differential detector
Actuation devicesApplication area: Automatic alarm activation
GEZE smoke detector RM 1003/24 V DC-VdSThe automatic smoke detector type 1003 with VdS certification works according to the optical prin-ciple of diffused light and automatically activates the RWA in the event of a fire. With VdS certification.Dimensions: 42 mm x ø 102 mm, weight 120 g
j Air speeds in accordance with DIN EN 54 part 7j Operating voltage 8 V to 30 Vj Individual display with red lEDj Ambient temperature -20 0C to +60 0C
Note:Smoke detectors should not be used when operational disturbance variables such as dust, smoke or steam are expected.
Description Id. No.RM 1003 smoke detector VdS-certified 112877
RM 1003 smoke detector
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GEZE vent switch AS 500 LTA-230j 230 Vj Triple buttonj With “Open-Stop-Close“ function buttonsj Flush-mounted
GEZE vent switch AS 500 LTA-230-SCTj 230 Vj Triple buttonj With “Open-Stop-Close“ function buttonsj Combined with key operated switchj Dual framej Flush-mounted
Description Id. No.AS500 lTA-230 vent switch 118474
Description Id. No.AS500 lTA-230-SCT vent switch 118475
lTA-230-SCT vent switch
lTA-230 vent switch
Actuation devices
GEZE vent switch AS 500 LTA-24j 24 V mains voltagej Triple buttonj With “Open-Stop-Close“ function buttonsj With “Open-Close“ lEDsj Flush-mounted
GEZE vent switch AS 500 LTA-24-SCTj 24 V mains voltagej Triple buttonj With “Open-Stop-Close“ function buttonsj With “Open-Close“ lEDsj Combined with key operated switchj Dual framej Flush-mounted
Description Id. No.AS500 lTA-24 vent switch 118473
Description Id. No.AS500 lTA-24-SCT vent switch 127176
Ventilation useApplication area: Electric RWA with additional ventilator function
lTA-24-SCT vent switch
lTA-24 vent switch
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Actuation devices
Ventilation useApplication area: Electric RWA with additional ventilator function
GEZE vent switch AS 500 LTA-24-AZj To be used for MBZj 24 V mains voltagej Dual switchj With “Open-Close“ function buttons j Flush-mounted
GEZE key-operated switch SCTj Flush-mountedj Supplied without profile cylinder
lTA-24-AZ vent switch
Key-operated switch SCT
Description Id. No.GEZE AS 500 lTA-24-AZ vent switch 129393
Description Id. No.SCT key-operated switch single pin 117996SCT key-operated switch 2 pin 118478
GEZE vent switch AS 500 LTA-LSAj 230 Vj Triple buttonj With “Open-Close“ function buttonsj With choice of switch or engage functionj Flush-mounted
lTA-lSA vent switchDescription Id. No.AS 500 lTA-lSA vent switch 118476
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142
3
2 x 2 x 0,8
2 x 2 x 0,8 2 x 2 x 0,8
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Actuation devices
Control unit with evaluation electronicsThe control unit consists of a power supply unit with electronic evaluation system and potential-free switch contacts with microcontroller control of the rain/wind signals. Evaluation can be individual or joint. The weather station is supplied by a 24 V DC/GND/signal input.
Weather stationThe weather station unit consists of rain, wind and temperature sensors. The wind is measured electri-cally by a heated ceramic wire, eliminating the need for traditional mechanical measurement through wind vanes. The rain is measured through a gold-plated conductor path on the surface, which mea-sures even very light rainfall.If the rain/wind rain control is triggered, the connected vent switches are blocked and all connected drives activated in “ClOSE” direction. However, an alarm takes precedence over the rain/wind control, i.e. the windows are opened in case of an alarm, even if the rain/wind control is active (windows are not closed). The switch point of the wind speed sensor can be set between 1 and 15 m/s.
Optical display unit
Control unit with evaluation electronics, weather station
Description Id. No.Rain/wind control (weather station plus evaluation electronics) 091529Visual display for visual signals during rain and/or wind activity 029238
1
3
4
2
ComponentsControl unit with evaluation electronicsWeather stationOptical display unitTransmission to the emergency power control unit via a potential-free switch contact
GEZE rain/wind controlThe rain/wind control can be connected to several control units without an additional relay (loop through signal). A customer-supplied rain/wind control unit may also be used; this requires a poten-tial-free closing contact on-site.
GEZE room temperature controller E70The E70 room temperature controller is used to control interior rooms.The temperature switch point can be set between 5 0C and 30 0C.
TimerThe connection of a timer allows windows to be opened or closed at pre-set times. A timer can be connected to every vent switch line; this must be set to an impulse signal rather than a continuous signal. Timer and vent switch control elements with equal rights, i.e. the RWA emergency power con-trol unit follows the last signal.
E70 room temperature controller
Description Id. No.E70 room temperature controller 079087
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Wiring diagrams and cable plans
Cable lengths and cross-sections
The required cable cross-section between the electric drive and the emergency power supply unit is dependent on the current consumption of the drives and the relevant cable length. As these values vary for each application and we cannot use different terminals for each specific central unit, we supply the central units
j E 260 with terminals for cable cross-sections of 4 mm2 ,j MBZ 300 with terminals for cable cross-sections of 2.5 mm2.
The cross-section must be calculated through the formula below and must be adhered to in order to keep the total line resistance and hence the resistance drop at the motors low. It is not calculated from the maximum current.
It is therefore permissible and common to connect cables with a cross-section of 4 mm2 (E 260) or 2.5 mm2 (MBZ 300) to the control units; for E 260, the cables are split accordingly in an additional distributor box (inside or outside the control unit, close to the control unit).
The DIN rail inside the MBZ 300 offers plenty of space to allow the distribution via serial terminals. There is no need for an additional distributor box in this case. From this distributor, large cable cross-sections (with long cable lengths) can be used.
General formula for the required cable cross-section in relation to cable length and total current:
Caption to wiring diagrams
Cable cross-sections for 24 V motor power must be calculated in relation to cable length. Minimum cable cross-section 1.5 mm2. In case of branch connections (e.g. several line branches), the line control must be looped through; a 4-wire cable is required (see relevant wiring diagram).
Required cable cross-section =cable length x total current of all drives
73
Cross-sectionE 260 N2 to N32/MBZ 300
1A 2A 4A 6A 10A
1.5 mm2 100 m 50 m 25 m 16 m 10 m
2.5 mm2 180 m 90 m 45 m 30 m 18 m
4.0 mm2 280 m 140 m 70 m 45 m 28 m
Minimum cross-section: 1.5 mm2
Maximum cross-section: 4.0 mm2 for E 260 2.5 mm2 for MBZ 300
Maximum permissible cable length in relation to total current and cable cross-section
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Mod
elN
umbe
r of e
quip
ped
vent
ilatio
n gr
oups
Vent
ilatio
n gr
oups
can
not b
e re
trofi
tted
BMZ
rem
ote
rele
ase
Clos
ing
cont
act r
equi
red
Smok
e de
tect
or ty
pe R
M 1
003
– 24
V D
C
a
nd/o
r H
eat d
iffer
entia
l det
ecto
r typ
e W
M 1
005
- 24V
DC
max
. 10
in li
ne
(max
. 20
for N
12)
FT4/
24V
DC
RWA
sen
sor
4x2x
0.8
with
scr
een m
ax. 5
00 m
max
. 500
m
max
. 500
m
2x0.
8 w
ith s
cree
n
max
. 10
in li
ne
max
. 4 in
line
for N
2/1
(Onl
y Vd
S-te
sted
ver
sion
to b
e us
ed
Mat
. no.
099
561)
SMO
KE V
ENT
SM
OKE
VEN
T S
MO
KE V
ENT
Wea
ther
st
atio
n
Eval
uatio
n el
ectr
onic
s
2x2x
0.8
max
. 30
m
Mai
ns
230V
AC
/ 50H
z
Ala
rm li
ne
3x1.
5 w
ith G
N/Y
E Mai
ns
230V
AC
/ 50H
z
Emer
genc
y po
wer
con
trol
uni
t E
260
N2/
1...1
2/2-
24V
DC
[N2:
HxW
xD=2
17x2
56x1
12 (m
m)
N4:
HxW
xD=2
61x2
95x1
12 (m
m)
N8:
HxW
xD=3
18.5
x362
.4x1
30.5
(mm
) N
12: H
xWxD
=318
.5x3
62.4
x130
.5 (m
m)]
Last
mot
or
Vent
ilato
r gro
up 1
1. M
otor
Mot
or
24V
DC
Mot
or
24V
DC
with
out G
N/Y
Ew
ithou
t GN
/YE
with
out G
N/Y
Ew
ithou
t GN
/YE
Mot
or
24V
DC
Mot
or
24V
DC
Mot
or
24V
DC
Mot
or
24V
DC
Mot
or
24V
DC
Mot
or
24V
DC
Last
mot
or
Vent
ilato
r gro
up 2
Last
mot
or
Vent
ilato
r gro
up 3
Last
mot
or
Vent
ilato
r gro
up 4
1. M
otor
1. M
otor
1. M
otor
Max
. num
ber o
f mot
ors
depe
nden
t on
type
of c
entr
al u
nit
Vent
ilato
r gr
oup
Vent
ilato
r gr
oup
Vent
ilato
r gr
oup
Vent
ilato
r gr
oup
room
tem
p.
cont
rolle
rve
nt s
witc
hro
om te
mp.
co
ntro
ller
vent
sw
itch
room
tem
p.
cont
rolle
rve
nt s
witc
hro
om te
mp.
co
ntro
ller
vent
sw
itch
LTA
ven
t sw
itch
LTA
-230
, any
num
ber
LTA
-24,
max
. 3 p
er
vent
ilato
r gro
up
potential-free status contacts (optional)
Cabl
e cr
oss-
sect
ions
for 2
4V m
otor
pow
er m
ust b
e ca
lcul
ated
in re
latio
n to
cab
le le
ngth
.
Cabl
e cr
oss-
sect
ion
(m
in. 1
.5)
Cabl
e cr
oss-
sect
ion
cabl
e le
ngth
to
tal c
urre
nt o
f all
prov
ider
s
Exam
ple
with
two
E250
/24V
driv
es
In c
ase
of b
ranc
h co
nnec
tions
(e.g
. sev
eral
line
bra
nche
s),
the
line
cont
rol m
ust b
e lo
oped
thro
ugh;
a 4
-wire
cab
le is
re
quire
d (s
ee re
leva
nt w
iring
dia
gram
).
Opt
iona
l add
ition
al b
oard
(can
be
retr
ofitt
ed)
Rela
y W
indo
w
OPE
N
INFO
pote
ntia
l-fre
e cl
oser
Sw
itchi
ng c
apac
ity:
230V
AC
at 2
4V D
C
Rela
y fa
ult
INFO
INFO
pote
ntia
l-fre
e cl
oser
Sw
itchi
ng c
apac
ity:
230V
AC
at 2
4V D
C
Sire
n
Fire
ser
vice
Rela
y al
arm
po
tent
ial-f
ree
clos
er
Switc
hing
cap
acity
: 23
0V A
C at
24V
DC
Pote
ntia
l-fre
e co
ntac
ts c
an b
e ch
ange
d fr
om o
pene
r to
clos
er
via
the
jum
per
E 260 wiring diagrams
Wiri
ng d
iagr
am E
260
N2/
1 to
N12
/2 2
4 V
DC
– Vd
S em
erge
ncy
pow
er s
uppl
y un
its
Drawing no. 37101-9-0951
30
GEZ
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GEZE SMOKE AND HEAT EXTRACTION (RWA) AND VENTIlATION TECHNOlOGY
Smok
e an
d he
at
extr
actio
n sy
stem
sGEZE RWA control unit systems
GEZE EMERGENCY POWER SuPPlY uNITS
E 260 wiring diagrams
Drawing no. 37101-9-0955
Wiri
ng d
iagr
am E
260
N32
/2 to
N32
/8 2
4 V
DC
– Vd
S em
erge
ncy
pow
er s
uppl
y un
its
Last
mot
or
Vent
ilato
r gro
up 2
1. M
otor
Mot
or
24V
DC
with
out G
N/Y
E
Max
. num
ber o
f mot
ors
depe
nden
t on
type
of c
entr
al u
nit
Vent
ilato
r gr
oup
room
tem
p.
cont
rolle
r
LTA
ven
t sw
itch
LTA
-230
, any
num
ber
LTA
-24,
max
. 3
per v
entil
ator
gro
up
Opt
iona
l (ca
n be
retr
ofitt
ed)
Smok
e de
tect
or ty
pe R
M 1
003
– 24
V D
C
and/
or
Hea
t diff
eren
tial d
etec
tor t
ype
WM
100
5 - 2
4V D
C
20 in
line
FT4/
24V
DC
RWA
sen
sor
2x0.
8 w
ith s
cree
n
max
. 500
m
max
. 500
m
4x2x
0.8
with
scr
een
max
. 15
in li
ne
(Onl
y Vd
S-te
sted
ver
sion
to b
e us
ed
Mat
. no.
099
561)
SMO
KE V
ENT
S
MO
KE V
ENT
S
MO
KE V
ENT
FT4/
24V
DC
RWA
sen
sor
max
. 500
m
4x2x
0,8
with
scr
een
max
. 15
in li
ne
(Onl
y Vd
S-te
sted
ver
sion
to b
e us
ed
Mat
. no.
099
561)
SMO
KE V
ENT
S
MO
KE V
ENT
S
MO
KE V
ENT
2x0.
8 w
ith s
cree
n
max
. 500
m
max
. 20
in li
ne
Smok
e de
tect
or ty
pe R
M 1
003
– 24
V D
C
and
/or
Hea
t diff
eren
tial d
etec
tor t
ype
WM
100
5 - 2
4V D
C
max
. 500
m
max
. 500
m
BMZ
rem
ote
rele
ase
(line
2)
Clos
ing
cont
act r
equi
red
BMZ
rem
ote
rele
ase
(line
1)
Clos
ing
cont
act r
equi
red
Mot
or
24V
DC
vent
sw
itch
Last
mot
or
Vent
ilato
r gro
up 3
1. M
otor
Mot
or
24V
DC
with
out G
N/Y
E
Vent
ilato
r gr
oup
room
tem
p.
cont
rolle
r
Mot
or
24V
DC
vent
sw
itch
Last
mot
or
Vent
ilato
r gro
up 4
1. M
otor
Mot
or
24V
DC
with
out G
N/Y
E
Vent
ilato
r gr
oup
room
tem
p.
cont
rolle
r
Mot
or
24V
DC
vent
sw
itch
Last
mot
or
Vent
ilato
r gro
up 5
1. M
otor
Mot
or
24V
DC
with
out G
N/Y
E
Vent
ilato
r gr
oup
room
tem
p.
cont
rolle
r
Mot
or
24V
DC
vent
sw
itch
Last
mot
or
Vent
ilato
r gro
up 6
1. M
otor
Mot
or
24V
DC
with
out G
N/Y
E
Vent
ilato
r gr
oup
room
tem
p.
cont
rolle
r
Mot
or
24V
DC
vent
sw
itch
Last
mot
or
Vent
ilato
r gro
up 7
1. M
otor
Mot
or
24V
DC
with
out G
N/Y
E
Vent
ilato
r gr
oup
room
tem
p.
cont
rolle
r
Mot
or
24V
DC
vent
sw
itch
Last
mot
or
Vent
ilato
r gro
up 8
1. M
otor
Mot
or
24V
DC
with
out G
N/Y
E
Vent
ilato
r gr
oup
room
tem
p.
cont
rolle
r
Mot
or
24V
DC
vent
sw
itch
Last
mot
or
Vent
ilato
r gro
up 1
1. M
otor
Mot
or
24V
DC
with
out G
N/Y
E
Vent
ilato
r gr
oup
room
tem
p.
cont
rolle
r
Mot
or
24V
DC
vent
sw
itch
max
. 16
Am
ax. 1
6 A
max
. 16
Am
ax. 1
6 A
max
. 16
Am
ax. 1
6 A
max
. 16
Am
ax. 1
6 A
potential-free status contacts (optional)
INFO
pote
ntia
l-fre
e cl
oser
Sw
itchi
ng c
apac
ity:
230V
AC
at 2
4V D
C
Sire
n
Fire
ser
vice
Rela
y al
arm
po
tent
ial-f
ree
clos
er
Switc
hing
cap
acity
: 23
0V A
C at
24V
DC
Pote
ntia
l-fre
e co
ntac
ts c
an b
e sw
itche
d fr
om o
pene
r to
clos
er
via
the
jum
per
INFO
INFO
pote
ntia
l-fre
e cl
oser
Sw
itchi
ng c
apac
ity:
230V
AC
at 2
4V D
C
Cabl
e cr
oss-
sect
ions
for 2
4V m
otor
pow
er m
ust b
e
calc
ulat
ed in
rela
tion
to c
able
leng
th.
Cabl
e cr
oss-
sect
ion
(m
in 1
.5)
Cabl
e cr
oss-
sect
ion
cabl
e le
ngth
to
tal c
urre
nt o
f al
l pro
vide
rs
Exam
ple
with
two
E250
/24V
driv
es
In c
ase
of b
ranc
h co
nnec
tions
(e.g
. sev
eral
line
bra
nche
s),
the
line
cont
rol m
ust b
e lo
oped
thro
ugh;
a 4
-wire
cab
le is
re
quire
d (s
ee re
leva
nt w
iring
dia
gram
).
Opt
iona
l add
ition
al b
oard
(can
be
retr
ofitt
ed)
Rela
yW
indo
w
OPE
N
Rela
y fa
ult
Wea
ther
st
atio
n
Eval
uatio
n el
ectr
onic
s
2x2x
0.8
max
. 30
m
Mai
ns
230V
AC
/ 50H
z
Ala
rm li
ne
3x1.
5 w
ith G
N/Y
E
Mai
ns
230V
AC
/ 50H
z
Emer
genc
y po
wer
con
trol
uni
t E
260
N32
/2...
32/8
-24V
DC
[HxW
xD=6
00x6
00x2
10 (m
m)
cabl
e en
try
top]
Ala
rm li
ne
(opt
iona
l)
optio
nal f
or fu
rthe
r, co
uple
d em
er-
genc
y po
wer
sup
ply
units
max
. 250
m
Tota
l len
gth
max
. 1,0
00 m
with
scr
een
Opt
iona
l (ca
n be
retr
ofitt
ed)
Coup
ling w
ith fu
rther
emer
genc
y po
wer
supp
ly un
its
E 260
N32-
VdS
Conn
ect a
ll cen
tral u
nits
in-li
ne.
max
. 30
31
GEZ
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LTA-24-AZ
Z Z Z
LTA-24
LTA-24-AZ LTA -24-AZ
LTA -24 LTA-24
LTA-24-AZ
2x0.8max. 400 m
max. 400 m
max. 400 m
2x0.8
4x2x0.8
2x2x0.8max. 30 m
3x1.5 W2
SMOKE VENTSMOKE VENT SMOKE VENT
2x2x0.82x2x0.8 2x2x0.8
11 1
2x2x0.8 2x2x0,.8
INFO
4x2x0.84x2x0.84x2x0.84x2x0.8
LTA-24-AZ LTA-24-AZ LTA-24-AZ
GEZE RWA systems
Smok
e an
d he
at
extr
actio
n sy
stem
s
GEZE RWA control unit systems
GEZE EMERGENCY POWER SuPPlY uNITS
Wiring diagram MBZ 300 emergency power supply units
Drawing no. 37101-9-0951
Weather station
max. number of motors dependent on type of control unitEvaluation electronics
Mains230 V AC / 50 Hz
optional status contacts
optional status contacts
optional status contacts
last motor last motor last motor
1. Motor 1. Motor 1. Motor
Motor24 V DC
Motor24 V DC
Motor24 V DC
Motor24 V DC
Motor24 V DC
Motor24 V DC
with screen
with screen
3x... 2 Wwithout GN/YE
max. 10 in line
FT4/24 V DC RWA sensor
max. 10 in line(Only VdS-tested version to be usedMat. no. 099561)
BMZ remote release (line2)Closing contact required
3x... 2 Wwithout GN/YE
3x... 2 Wwithout GN/YE
DMMotor line 1
max. 10 A
CMPower supply
MBZ 300 DMMotor line 2
max. 10 A
DMMotor line 3
max. 10 A
potential-free contactmax. 42 V, 0.5 A
Mains230 V AC / 50 Hz
optionalCAN
with screen with screen vent switchlTA-24
vent switchlTA-24
vent switchlTA-24
Central sensor optional
3x1,5 2 Wmit GN/YE
lTA vent switchlTA-24 (without lED) any numberlAT-24-AZ max. 3 per ventilator group
The number of motor lines, ventilator groups, alarm lines and connectable motors is dependent on the configuration of the control unit. (Please note limit of applicability!)
32
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LTA-24-AZ
ZZZ
LTA-24-AZ
LTA-24LTA-24
LTA-24-AZLTA-24-AZ
LTA-24
2x0.8
max. 400 m
max. 400 m
4x2x0.8
2x0.8
max. 400 m
SMOKE VENTSMOKE VENT SMOKE VENT
2x2x0.82x2x0.82x2x0.8
INFO
LTA-24-AZ LTA-24-AZ LTA-24-AZ
4x2x0.84x2x0.84x2x0.84x2x0.8 2x2x0.8
11 1
GEZE SMOKE AND HEAT EXTRACTION (RWA) AND VENTIlATION TECHNOlOGY
Smok
e an
d he
at
extr
actio
n sy
stem
sGEZE RWA control unit systems
GEZE EMERGENCY POWER SuPPlY uNITS
Smoke detector type RM – 24 V DC and/orHeat differential detector type WM 1005 - 24 V DC
optional status contacts
optional status contacts
optional status contacts
last motor last motor last motor
1. Motor 1. Motor 1. Motor
Motor24 V DC
Motor24 V DC
Motor24 V DC
Motor24 V DC
Motor24 V DC
Motor24 V DC
with screen
with screen
3x... 2 Wwithout GN/YE
max. 10 in line
FT4/24 V DC RWA sensor
max. 10 in line(Only VdS-tested version to be usedMat. no. 099561)
BMZ remote release (line2)Closing contact required
3x... 2 Wwithout GN/YE
3x... 2 Wwithout GN/YE
DMMotor line 4
max. 10 A
SM DMMotor line 5
max. 10 A
DMMotor line n
max. 10 A
potential-free contactmax. 42 V, 0.5 A
with screen vent switchlTA-24
vent switchlTA-24
vent switchlTA-24
Central sensor optional
33
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GEZE RWA systems
Smok
e an
d he
at
extr
actio
n sy
stem
s
GEZE RWA control unit systems
GEZE EMERGENCY POWER SuPPlY uNITS
last motor
1. Motor
Building law
Building law centrally governs fire protection regulation for buildings. Because building law is part of the legislation of the individual German federal states, every state has its own regional building law. The same applies to special building codes. This legislation governs all buildings and special buildings regulations. The various codes provide recommendations for the dimensions of smoke conductors and smoke vents. The following section provides an overview of these codes:
MBO:The model building regulation (MBO) is the jointly developed common foundation for regional building law. It contains fire protection objectives, general statutory requirements that must be followed for all buildings.
Model building regulation (MBO) para. 3, sec. 1 (version November 2002)“Works shall be arranged, erected, modified and maintained in such a way that public safety and order, in particular human life, health and natural resources, are not endangered.”
Model building regulation (MBO) para. 14 (version November 2002)“Building works shall be arranged, erected, modified and maintained in such a way that the origin and spread of fire and smoke can be prevented and the rescue of humans and animals as well as effective fire-fighting measures are facilitated in the event of a fire.”
The general requirements of the MBO are analogously adopted by regional building law and substantiated with further requirements in the legal texts of the relevant building regulation and its supplementary provisions for special buildings. The federal states’ special building codes, too, are based on this model code. In addition, public-law and private guidelines apply.
For this reason, the following tables can only give an overview and it is essential to also consider the provisions of the respective federal state, in which a physical structure is to be erected.
Model building regulation (MBO) para. 35, sec. 8 (version November 2002)“Essential stairwells must be ventilated. On each level above ground level, they must feature windows leading directly outside with a free cross-section of at least 0.5 m2 which can be opened.Essential internal stairwells and essential stairwells in buildings of more than 13 m height (in accordance with para. 2, sect. 3, clause 3) require an opening for smoke conduction at their highest point, which must have a free cross-section of at least 1 m2; this must be accessible for opening from the ground level as well as from the top landing.“
Model building regulation (MBO) para. 37, sec. 4 (version November 2002)“Every basement level without windows must have at least one outdoor opening to facilitate smoke conduction. Joint basement lightwells for several basement levels are not permissible.“
Legal principles RWA *)
Building lawBuilding law has the following objectives:j Prevent fires from startingj Prevent fires from spreadingj Secure rescue routesj Facilitate fire-fighting measuresj limit environmental pollution in the form of emission of toxic substances, water contamination
*) Please note: This information applies to Germany; it might vary in other countries.
German building legislation is divided into building law and building products law.These are further explained below:
LEGAL PRINCIPLEs RWA
BUILDING LAW
34
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Smok
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at
extr
actio
n sy
stem
sGEZE RWA control unit systems
GEZE EMERGENCY POWER SuPPlY uNITS
Model building regulation (MBO) para. 39, sec. 3 (version November 2002)“Elevator shafts must be ventilated and have an opening for smoke conduction with a free cross-section of at least 2.5% of the base area and a minimum of 0.1 m2. The smoke release openings must be positioned in such a way that the smoke release is not affected by the wind.“
Model building regulation (MBO) para. 51 (version November 2002)In order to meet the general requirements of para 3, sect. 1, special constructions can be subject to special “requirements. (...)
11. In terms of ventilation and smoke conduction (…)”.
Requirements of MBO and LBO relating to smoke extraction and ventilation
The following table provides an overview of the requirements of the various regional building laws with regards to smoke conduction in stairwells. For information on smoke conduction and ventilation in base-ment levels and elevator shafts, please consult GEZE GmbH.
Note:Find below extracts of current regulations. Please note that these are subject to constant updates.
BUILDING LAW
German state
Pro-vision
Date of issue
Use of smoke conduction
Location of smoke conduction
Size of smoke conduction
Location of operating points
Ventilation
Model building regu-lation (MBO)
Version November 2000
For essential internal stairwells and essential stairwells in buildings of more than 13m
At highest point
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
Baden-Württem-berg
Regional building regula-tion (lBO)
Version March 2010
No provision for smoke conduction/ smoke extraction -> only for special constructions
Sufficient ventilation toilet + bathrooms
Bavaria Regional building regula-tion (lBO)
February 2010
For essential internal stairwells and essential stairwells in buildings of more than 13 m
At highest point
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
Berlin Regional building regula-tion (lBO)
June 2007 For essential internal stairwells and essential stairwells in buildings of more than 13 m
At highest point
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground level windows leading directly outside of at least 0.6 m x 0.9 m (width x height) which can be opened and feature a window sill of not more than 1.2 m
Brandenburg Regional building regula-tion (lBO)
April 2010 For essential internal stairwells and essential stairwells in buildings of more than 13 m. Not for residential buildings with less than 2 apartments
At highest point
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
Bremen Regional building regula-tion (lBO)
October 2009
For essential internal stairwells and essential stairwells in buildings of more than 13 m. Not for residential buildings with less than 2 apartments
At highest point
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
– continued overleaf –
35
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extr
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s
GEZE RWA control unit systems
GEZE EMERGENCY POWER SuPPlY uNITS
BUILDING LAW
German state
Pro-vision
Date of issue
Use of smoke conduction
Location of smoke conduction
Size of smoke conduction
Location of operating points
Ventilation
Hamburg Regional building regula-tion (lBO)
May 2010 For essential internal stairwells and essential stairwells in buildings of more than 13 m
At highest position
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
Hesse Regional building regula-tion (lBO)
December 2009
For essential internal stair-wells in class 5 buildings
At highest position
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
Mecklen-burg-Vor-pommern
Regional building regula-tion (lBO)
April 2006 For essential internal stairwells and essential stairwells in buildings of more than 13 m
At highest position
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
lower Saxony
Regional building regula-tion (lBO)
October 2009
No information on smoke conduction/smoke ex-traction
Stairwells must be ventilated
North Rhine-Westphalia
Regional building regula-tion (lBO)
December 2009
Buildings with more than 5 storeys above ground level as well as essential internal stairwells
At highest position of stairwell
With a free cross-section of at least 5% of the base area and a mini-mum of 1 m2
Ground level and top landing Fur-ther operating points might be approved.
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
Rhineland-Palatinate
Regional building regula-tion (lBO)
October 2009
Buildings with more than 5 storeys above ground level as well as essential stairwells, which are not located on the outside wall
At highest position of stairwell
With a free cross-section of at least 5% of the base area and a mini-mum of 1 m2
Ground level and top landing Fur-ther operating points might be approved.
Stairwells must be ventilated. Essential stairwells on exterior walls for building class 4 + 5 must have on each level above ground level windows leading directly outside of at least 0.6 m x 0.9 m (width x height) which can be opened and a window sill of not more than 1.2 m
Saarland Regional building regula-tion (lBO)
November 2007
For essential internal stairwells and essential stairwells in buildings of more than 13 m height.
At highest position of stairwell
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
Saxony Regional building regula-tion (lBO)
August 2009
For essential internal stairwells and essential stairwells in buildings of more than 13 m height.
At highest position
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
Saxony-Anhalt
Regional building regula-tion (lBO)
December 2005
For essential internal stairwells and essential stairwells in buildings of more than 13 m height.
At highest position of stairwell
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
Schleswig-Holstein
Regional building regula-tion (lBO)
March 2010
For essential internal stairwells and essential stairwells in buildings of more than 13 m height.
At highest position of stairwell
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
Thuringia Regional building regula-tion (lBO)
July 2009 For essential internal stairwells and essential stairwells in buildings of more than 13 m height.
At highest position of stairwell
With a free cross-section of at least 1 m2
Ground level and top landing
Essential stairwells: On each level above ground windows leading directly out-side with a free cross-section of at least 0.5 m2 which can be opened
Requirements of MBO and LBO relating to smoke extraction and ventilation
– continued –
36
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Smok
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extr
actio
n sy
stem
sGEZE RWA control unit systems
GEZE EMERGENCY POWER SuPPlY uNITS
Requirements of model special building regulations
The following special constructions require special regulations:
j High-rise buildingsj lodgingsj Shopsj Places of public assemblyj Schoolsj Hospitalsj Industrial buildings
Note:Find below extracts of current regulations. Please note that these will be constantly updated.
BUILDING LAW
Special building code Date of issue Building type
Model school building code Version July 1998 Smoke conduction
Model shop building code Version September 1995 Smoke conduction and ventilation
Model public assembly building code Version June 2005 Smoke extraction, smoke conduction and ventilation
Model hospital building code Version December 1976 Smoke extraction and ventilation
Model industrial building code Version March 2000 Smoke conduction, smoke extraction and ventilation
Model high-rise building code Version April 2008 Smoke conduction, smoke extraction and ventilation
Building product law
Building product law governs the requirements for building products:
EN 12101 part 10 and prEN 12101 part 9Legal principlesEN 12101 parts 9 and 10 define the requirements for building products, control boards and energy supplies for RWA systems and govern testing, classification and CE labelling. CE labelling aims to facilitate the import and export of goods within the European union.
Certification in accordance with EN 12101 part 10 and prEN 12010 part 9The conformity procedure of EN 12101-9 and 10 is detailed in Annex ZA.
BUILDING PRODUCt LAW
Product Intended useCertificate of conformity system
Control boards and energy supplies for RWA systems
Fire protection 1
Annex ZA of this standard is compulsory for:j Initial type testing (ITT)j Factory production control (FPC)j Initial visit and ongoing external quality control by notified body
37
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Servicing and maintenance
In accordance with MBO, builders and/or owners have a basic obligation to keep a building proper-ly maintained, as “works…() shall be arranged, erected, modified and maintained in such a way that public safety and order, in particular human life, health and natural resources, are not endangered.” Building products may not be used without proper maintenance procedures in place (cf. para. 3, sect. 1 and 2 MBO).The builder or client has sole responsibility for ensuring servicing work, maintenance and inspections are carried out. All components must be checked for damage or deformation on a regular basis. The operator of an RWA system is obligated to put in place all safety measures required to avert risks to persons and objects in the building.By ensuring the correct functioning of smoke and heat extraction systems through regular servicing work, the operator considerably reduces the actual risk of damage and, at the same time, his or her liability in the event of damage. By adopting this practice, he/she will be able to document at any time that he/she has met his/her obligations in terms of keeping RWA systems fit and ready for operation.
Examples of laws and regulations
German Basic Law art. 2:“Every person shall have the right to life and physical integrity.”
Model building regulation (MBO) para. 3, sec. 1 (version November 2002)“Works shall be arranged, erected, modified and maintained in such a way that public safety and order, in particular human life, health and natural resources, are not endangered.”
Model building regulation (MBO) para. 14 (version November 2002)“Building works shall be arranged, erected, modified and maintained in such a way that the origin and spread of fire and smoke can be prevented and the rescue of humans and animals as well as effective fire-fighting measures are facilitated in the event of a fire.”
Further directives are the MLAR (example guidelines in fire protection concerning power supply cable layouts) and DIN VDE 0833: MLAR requirement for cables (version March 2000).According to the example directive for power supply cable layouts (MlAR), functional integrity of the E30 classification is sufficient for natural smoke extraction systems. Such cables must be tested and approved according to DIN 4102 part 12. Furthermore, cables must be laid in accordance with the specifications of the cable manufacturers and using the relevant fastening materials.
Exemptions pursuant to MLAR (version March 2000)The functional integrity of RWA cables can be foregone if an early fire recognition trigger with the parameter SMOKE (smoke detector) monitors the entire cable run and the activation of the automatic sensor causes the RWA to open. In practice, this means that rooms, which house a RWA cable and RWA components must be monitored by a smoke detector, if the cable is not to be E30 compliant.
Flush-mounted installationIt must be considered that a flush-mounted installation does not constitute compliance with DIN 4102 part 12 with regards to functional integrity. If flush-mounted cables are to satisfy the requirements of functional integrity, they must also comply with the classification E30 or the room must be monitored by with smoke detectors.
Operating timeReferring to DIN VDE 0833-2 (6.1.6 / 2004), the RWA system must “be maintainable for at least 72 hours” in the event of a power failure.
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DIN VDE 0833-1 (5.3.4 / 2003)“Servicing work must be carried out according to the manufacturer’s specifications, with site-specific ope-rating conditions taken into consideration – but at least once a year.”
DIN 18232 part 2 (version November 2007)The functional capacity and operational readiness of extraction systems and their operation and control elements, opening units, power supplies and accessories must be inspected, serviced and, if necessary, repaired at regular intervals as stipulated by the manufacturer (as a rule, once a year). These inspections and servicing procedures must be recorded in a logbook. Inspections must only be carried out by companies qualified in dealing with natural smoke extraction systems.
Ordinance on Monitoring Home Automation SystemsIn addition to regular annual maintenance, RWA systems in so-called physical structures of special type and use (such as office buildings, places of public assembly, car parks) are inspected every three years by a buil-ding law/state-approved expert. Regular servicing is a major prerequisite of these compulsory inspections. The maintenance company usually assumes the operator’s responsibility to provide suitable technical staff for the inspection of the system by experts. The regulations for the inspection of technical systems of the various German federal states contain special provisions for servicing and maintenance requirements.
Thus, the following rules should be followed with regards to the servicing and maintenance of RWA sys-tems:- RWA systems must be maintained and, if required, serviced at least once a year.- Maintenance must be carried out by technical experts. Proof of this expertise must be given. Experts must be authorised by GEZE.- Inspections must be recorded in a logbook.
Support during installation and commissioningGEZE offers consultation support through authorised partner companies or the parent company itself. The installation and functional testing of a smoke and heat extraction system must always be carried out by the manufacturer or a specialist company authorised by the manufacturer. This ensures that system-relevant functions are correctly fulfilled. The RWA system must be approved by an expert.
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Design steps for an RWA system
Calculation of smoke extraction areaA ‘smoke outlet’ means a smoke removal system in the event of fire (heat smoke removal) as a result of which a stabile, low-smoke layer develops close to the ground which enables the safe use of emergency exits. The system creates a stable, low-smoke layer of air in vicinity to the ground, which facilitates the use of escape and rescue routes. In accordance with DIN EN 12101 part 2, a SHEV must always be used in Germany if a natural „smoke outlet“ is required by construction regulations.The smoke extraction system is used to extract the cold smoke, which tends to linger in a building after a fire. This building product is not safety-related and is listed in Building Code part C.
The smoke extraction area is calculated for each smoke area on the basis of the measurement group, the room height and the height of the low-smoke layer from the relevant table 3 of DIN 18232 part 2. The total smoke extraction area is then divided by the relevant number of façade openings and skylights (smoke extraction system: natural smoke extraction).The appropriate rules, which are stipulated by the regulation, must be followed.
The façade openings, which have been calculated through this formula, should be installed with a distance of no more than 0.5 m between the upper edge and the ceiling in at least two opposing external walls of a smoke area. The façade openings must be positioned entirely in the smoke layer; the lower edge of the exhaust air opening should be positioned at least 0.5 m above the boundary to the calculated low-smoke layer (according to table 3, DIN 18232 part 2).
Calculation of intake openingThe intake openings must be positioned entirely in the low-smoke layer and measure at least 1.5 times the size of the extraction area. In addition, the correction factors detailed in DIN EN 18232-2 must be con-sidered.The top edge of the intake opening must be at least 1 m away from the smoke layer boundary. In the vici-nity of doors or windows with a maximum width of 1.25 m, this clearance can be reduced to 0.5 m. In any case, it must be ensured that the inflowing air does not flow directly into the smoke gas layer and causes the smoke gases to mix. The fresh air must be conducted into the building close to the ground and with maximum possible distance to the smoke gas layer.
Various systems are available as drive units for exhaust and fresh air openings. State of the art linear, spindle, scissor and chain drives tried and tested in many practical applications. These systems are available in various performance classes. The choice of the right drive for the relevant opening system (dependent on dimensions, weight, installation type) will ensure many years of functional reliability.
Control designThe RWA emergency power supply unit is the central control unit, to which various components are con-nected. This unit ensures the power supply of the RWA openings with batteries for at least 72 h in the event of a fire. Thus, the current consumption of the different system components must be considered in the planning phase and the performance class of the central control unit chosen accordingly.
Planning and cablingAccording to the example directive for power supply cable layouts (MlAR), functional integrity of the E30 classification is sufficient for natural smoke extraction systems. Such cables must be tested and approved in accordance with DIN 4102 part 12. Furthermore, cables must be laid in accordance with the specifications of the cable manufacturers and using the relevant fastening materials.
Exemptions pursuant to MlAR (version March 2000)The functional integrity of RWA cables can be foregone if an early fire recognition trigger with the parameter SMOKE (smoke detector) monitors the entire cable run and the activation of the automatic sensor causes the RWA to open. In practice, this means that rooms, which house a RWA cable and RWA components, must be monitored by a smoke detector, if the cable is not to be E30-compliant.
Flush-mounted installation: It must be considered that a flush-mounted installation does not constitute compliance with DIN 4102 part 12 with regards to functional integrity. If flush-mounted cables are to satisfy the requirements of functional integrity, they must also comply with the classification E30 or the room must be secured with smoke detectors.
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GEZE REFERENCEs
China Pavillion, Expo Shanghai
Ferrari World, Abu Dhabi, VAE
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POTENTIAl APPlICATIONS OF GEZE PRODuCTS
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You will find more product information in the relevant brochures, see ID numbers.
Door technology
01 Overhead door closersID 091593, ID 091594
02 Hold-open systemsID 091593, ID 091594
03 Integrated door closers ID 091609
04 Floor springsID 091607
05 Sliding door gear systems and linear guidesID 123605, ID 008770, ID 000586
Automatic door systems
06 Swing doorsID 144785
07 Sliding, telescopic and folding doorsID 143639
08 Circular and semi-circular sliding doorsID 135772
09 Revolving doorsID 132050
10 Actuation devices and sensorsID 142655
smoke and heat extraction and window technology
11 Fanlight opening systemsID 127787
12 Electric opening and locking systemsID 127785, ID 127789
13 Electrical spindle and linear drivesID 127785, ID 127789
14 Electric chain drivesID 127785, ID 127789
15 Smoke and heat extraction systemsID 127785, ID 139075
safety technology
16 Emergency exit systemsID 132408
17 Access control systemsID 132158
18 Panic locksID 132848
19 Electric strikesID 148666
20 Building management systemID 132408
Glass systems
21 Manual sliding wall systems (MSW)ID 104377
22 Integrated all-glass systems (IGG)ID 104366
23 GEZE Patch fittings mono glass systemsID 122521
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Door technology
The functionality, superior performance and reliability of GEZE door closers are impressive. A common design across the range, the ability to use them on all common door leaf widths and weights, and the fact that they can be individu-ally adjusted makes their selection simple. They are con-tinually being improved and enhanced with up-to-date fea-tures. For example, the requirements of fire protection and accessibility are fulfilled with a door closer system.
Automatic door systems
GEZE automatic door systems open up a huge variety of options in door design. The latest, innovative high-per-formance drive technology, safety, ease of accessibility and first class universal drive design set them apart. GEZE offers complete solutions for individual requirements. A dedicated division is responsible for the development and construction of individual special designs.
smoke and heat extraction and window technology
GEZE smoke and heat extraction systems and ventilation technology provide complete systems solutions combin-ing the many requirements of different types of windows. We supply a full range from energy efficient drive systems to natural ventilation and complete solutions for supplying and extracting air, also as certified SHEVs.
safety technology
GEZE safety technology sets the standards where preven-tative fire protection, access control and anti-theft security in emergency exits are concerned. For each of these objec-tives GEZE offers tailored solutions, which combine the in-dividual safety requirements in one intelligent system and close doors and windows in case of danger in a coordinated manner.
Building systems
In GEZE’s Building Management System GEZE door, win-dow and safety products can be integrated in to the se-curity and control systems of the building. A central con-trol and visualisation system monitors various automation components in the building and offers security through many different networking capabilities.
Glass systems
GEZE glass systems stand for open and transparent interior design. They can either blend discreetly into the architec-ture of the building or stand out as an accentuated feature. GEZE offers a wide variety of technologies for functional, reliable and aesthetic sliding wall or sliding door systems providing security with lots of design scope.
Innovative system solutions
POTENTIAl APPlICATIONS OF GEZE PRODuCTS
G E Z E S M O K E A N D H E AT E X T R A C T I O N ( R WA ) A N D V E N T I l AT I O N T E C H N O lO G Y
Id. no. 139075 · Vers. EN 120531 · Subject to alterations
G E Z E R E P R E S E N TAT I V E
GEZE GmbHP.O. Box 136371226 LeonbergGermany
GEZE GmbHReinhold-Vöster-straße 21-2971229 LeonbergGermanytelefon +49 (0) 7152-203-0telefax +49 (0) 7152-203-310
www.geze.com
GermanyGEZE Sonderkonstruktionen GmbHPlanken 197944 Boxberg-SchweigernTel. +49 (0) 7930-92 94-0Fax +49 (0) 7930-92 94-10E-Mail: [email protected]
GEZE GmbHNiederlassung Nord/OstBühringstraße 813086 Berlin (Weissensee)Tel. +49 (0) 30-47 89 90-0Fax +49 (0) 30-47 89 90-17E-Mail: [email protected]
GEZE GmbHNiederlassung WestNordsternstraße 6545329 EssenTel. +49 (0) 201-83 082-0 Fax +49 (0) 201-83 082-20E-Mail: [email protected]
GEZE GmbHNiederlassung MitteAdenauerallee 261440 Oberursel (b. Frankfurt)Tel. +49 (0) 6171-63 610-0Fax +49 (0) 6171-63 610-1E-Mail: [email protected]
GEZE GmbHNiederlassung SüdBreitwiesenstraße 871229 LeonbergTel. +49 (0) 7152-203-594Fax +49 (0) 7152-203-438E-Mail: [email protected]
GEZE Service GmbH NL SüdwestReinhold-Vöster-Straße 2571229 LeonbergTel. +49 (0) 7152-92 33 34
GEZE Service GmbH NL Nord-OstBühringstraße 813086 Berlin (Weissensee)Tel. +49 (0) 30-47 02 17 32
GEZE Service GmbH NL WestNordsternstraße 6545329 EssenTel. +49 (0) 201-8 30 82 16
GEZE Service GmbH NL MitteFeldbergstraße 5961440 OberurselTel. +49 (0) 6171-63 327-0
GEZE Service GmbH NL SüdParkring 1785748 Garching bei MünchenTel. +49 (0) 89-120 07 42-0
AustriaGEZE AustriaWiener Bundesstrasse 85A-5300 HallwangTel: +43/6225/87180Fax: +43/6225/87180-299E-Mail: [email protected]
Baltic statesGEZE GmbH Baltic States officeDzelzavas iela 120 S1021 RigaTel. +371 (0) 67 89 60 35Fax +371 (0) 67 89 60 36E-Mail: [email protected]
GEZE Benelux B.V.Steenoven 36 5626 DK EindhovenTel. +31 (0) 40-26 290-80Fax +31 (0) 40-26 290-85E-Mail: [email protected]
BulgariaGEZE Bulgaria - Trade Representative Office61 Pirinski Prohod, entrance „B“, 4th floor, office 5, 1680 SofiaTel. +359 (0) 24 70 43 73 Fax +359 (0) 24 70 62 62E-Mail: [email protected]
ChinaGEZE Industries (Tianjin) Co., Ltd.Shuangchenzhong RoadBeichen Economic DevelopmentArea (BEDA)Tianjin 300400, P.R. ChinaTel. +86 (0) 22-26 97 39 95-0Fax +86 (0) 22-26 97 27 02E-Mail: [email protected]
ItalyGEZE Italia SrlVia Giotto, 420040 Cambiago (MI)Tel. +39 (0) 29 50 695-11Fax +39 (0) 29 50 695-33E-Mail: [email protected]
GEZE Engineering Roma SrlVia Lucrezia Romana, 9100178 RomaTel. +39 (0) 6-72 65 311Fax +39 (0) 6-72 65 3136E-Mail: [email protected]
PolandGEZE Polska Sp.z o.o.ul. Annopol 2103-236 WarszawaTel. +48 (0) 22 440 4 440Fax +48 (0) 22 440 4 400E-Mail: [email protected]
RomaniaGEZE Romania s.r.l.IRIDE Business Park,Str. Dimitrie Pompeiu nr. 9-9a,Building 10, Level 2, Sector 2,020335 BucharestTel.: +40 (0) 21 25 07 750Fax: +40 (0) 21 25 07 750E-Mail: [email protected]
Russian FederationGEZE GmbH Representative Office RussiaGamsonovskiy Per. 2115191 MoskauTel. +7 (0) 495 933 06 59Fax +7 (0) 495 933 06 74E-Mail: [email protected]
scandinavia – swedenGEZE Scandinavia ABMallslingan 10Box 706018711 Täby, SwedenTel. +46 (0) 8-7323-400Fax +46 (0) 8-7323-499E-Mail: [email protected]
scandinavia – NorwayGEZE Scandinavia AB avd. NorgeIndustriveien 34 B2073 DalTel. +47 (0) 639-57 200Fax +47 (0) 639-57 173E-Mail: [email protected]
scandinavia – FinlandBranch office of GEZE Scandinavia ABHerralantie 824Postbox 2015871 HollolaTel. +358 (0) 10-40 05 100Fax +358 (0) 10-40 05 120E-Mail: [email protected]
scandinavia – DenmarkGEZE DanmarkBranch office of GEZE Scandinavia AB Mårkærvej 13 J-K2630 TaastrupTel. +45 (0) 46-32 33 24Fax +45 (0) 46-32 33 26E-Mail: [email protected]
singaporeGEZE (Asia Pacific) Pte. Ltd.21 Bukit Batok Crescent #23-75 Wcega TowerSingapore 658065Tel: +65 6846 1338Fax: +65 6846 9353E-Mail: [email protected]
south AfricaGEZE Distributors (Pty) Ltd.118 Richards Drive, Halfway House, Ext 111, P.O. Box 7934, Midrand 1685, South AfricaTel: + 27 (0) 113 158 286Fax: + 27 (0) 113158261Email: [email protected]
switzerlandGEZE Schweiz AGBodenackerstrasse 794657 DullikenTel. +41 (0) 62 285 54 00Fax +41 (0) 62 285 54 01E-Mail: [email protected]
turkeyGEZE GmbH Türkiye - İstanbul İrtibat BürosuAtaşehir Bulvarı, Ata 2/3 Plaza Kat: 9 D: 84 Ataşehir Kadıköy / İstanbulTel. + 90 (0) 21 64 55 43 15Fax + 90 (0) 21 64 55 82 15E-Mail: [email protected]
UkraineGEZE Ukraine TOV ul. Viskoznaya, 17, Building 93-B, Office 1202660 KievTel./Fax +38 (0) 44 501 22 25E-Mail: [email protected]
United Arab Emirates/GCCGEZE Middle EastP.O. Box 17903Jebel Ali Free Zone DubaiTel. +971 (0) 4-88 33 112Fax +971 (0) 4-88 33 240E-Mail: [email protected]
United KingdomGEZE UK Ltd.Blenheim WayFradley ParkLichfieldStaffordshire WS13 8SYTel. +44 (0) 1543 44 30 00Fax +44 (0) 1543 44 30 01E-Mail: [email protected]
GEZE Industries (Tianjin) Co., Ltd.Branch Office ShanghaiUnit 25N, Cross Region PlazaNo 899, Ling Ling Road, XuHui District200030 Shanghai, P.R ChinaTel. +86 (0) 21-523 40 960Fax +86 (0) 21-644 72 007E-Mail: [email protected]
GEZE Industries (Tianjin) Co., Ltd.Branch Office GuangzhouRoom 17C3Everbright Bank Building, No.689Tian He Bei Road510630 GuangzhouP.R. ChinaTel. +86 (0) 20-38 73 18 42Fax +86 (0) 20-38 73 18 34E-Mail: [email protected]
GEZE Industries (Tianjin) Co., LtdBranch Office BeijingRoom 1001, Tower DSanlitun SOHONo. 8, Gongti North Road,Chaoyang District100027 Beijing, P.R.ChinaTel. +86 (0) 10-59 35 93 00Fax +86 (0)10-59 35 93 22E-Mail: [email protected]
FranceGEZE France S.A.R.L.ZAC de l’Orme RondRN 1977170 ServonTel. +33 (0) 1 60 62 60 70Fax +33 (0) 1 60 62 60 71E-Mail: [email protected]
HungaryGEZE Hungary Kft.Bartók Béla út 105-113.BudapestH-1115Tel. +36 (1) 481 4670Fax +36 (1) 481 4671E-Mail: [email protected]
IberiaGEZE Iberia S.R.L.Pol. Ind. El PlaC/Comerc, 2-22, Nave 1208980 Sant Feliu de Llobregat (Barcelona)Tel. +34 9-02 19 40 36Fax +34 9-02 19 40 35E-Mail: [email protected]
IndiaGEZE India Private Ltd.MF 2 & 3, Guindy Industrial EstateEkkattuthangalChennai 600 097TamilnaduTel. +91 (0) 44 30 61 69 00Fax +91 (0) 44 30 61 69 01E-Mail: [email protected]
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