VariTrane™ Variable Air Volume (VAV) Terminal Air Units · 2021. 1. 22. · ©2020 Trane...

SSAAFFEETTYY WWAARRNNIINNGGOnly qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioningequipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified personcould result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels thatare attached to the equipment.

December 2020 VVAAVV--SSVVXX0088PP--EENN

Installation, Operation, and Maintenance

VariTrane™™ Variable Air Volume(VAV) Terminal Air UnitsShutoff, Fan Powered, and CoolSense™ Sensible Cooling

SSiinnggllee--DDuucctt:: VCCF, VCEF, VCWFDDuuaall--DDuucctt:: VDDFFFaann--PPoowweerreedd:: VPCF, VPEF, VPWF, VSCF, VSEF, VSWFFFaann--PPoowweerreedd LLooww HHeeiigghhtt:: LPCF, LPEF, LPWF, LSCF, LSEF, LSWFCChhiilllleedd WWaatteerr SSeennssiibbllee CCoooolliinngg TTeerrmmiinnaall UUnniittss:: LDCF, LDEF, LDWF

©2020 Trane VAV-SVX08P-EN

IntroductionRead this manual thoroughly before operating orservicing this unit.

Warnings, Cautions, and NoticesSafety advisories appear throughout this manual asrequired. Your personal safety and the properoperation of this machine depend upon the strictobservance of these precautions.

The three types of advisories are defined as follows:

WARNINGIndicates a potentially hazardous situationwhich, if not avoided, could result in death orserious injury.

CAUTIONIndicates a potentially hazardous situationwhich, if not avoided, could result in minor ormoderate injury. It could also be used to alertagainst unsafe practices.

NOTICEIndicates a situation that could result inequipment or property-damage onlyaccidents.

Important Environmental ConcernsScientific research has shown that certain man-madechemicals can affect the earth’s naturally occurringstratospheric ozone layer when released to theatmosphere. In particular, several of the identifiedchemicals that may affect the ozone layer arerefrigerants that contain Chlorine, Fluorine and Carbon(CFCs) and those containing Hydrogen, Chlorine,Fluorine and Carbon (HCFCs). Not all refrigerantscontaining these compounds have the same potentialimpact to the environment. Trane advocates theresponsible handling of all refrigerants-includingindustry replacements for CFCs and HCFCs such assaturated or unsaturated HFCs and HCFCs.

Important Responsible RefrigerantPracticesTrane believes that responsible refrigerant practicesare important to the environment, our customers, andthe air conditioning industry. All technicians whohandle refrigerants must be certified according to localrules. For the USA, the Federal Clean Air Act (Section608) sets forth the requirements for handling,reclaiming, recovering and recycling of certainrefrigerants and the equipment that is used in theseservice procedures. In addition, some states ormunicipalities may have additional requirements thatmust also be adhered to for responsible managementof refrigerants. Know the applicable laws and followthem.

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VAV-SVX08P-EN 3

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PPrreeccaauuttiioonnaarryy MMeeaassuurreess::

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About This ManualThis manual describes the installation of withrecommended wiring, piping, and mounting of single-duct, dual-duct, fan-powered, and low-height VAVterminal units, and chilled water sensible coil terminalunits.

See also the following reference documents:

• BAS-SVX40-EN —Wireless Comm IOM

• BAS-SVX55-EN — Wireless Comm Network DesignBest Practices Guide

• BAS-SVX62*-EN — Tracer® UC210 ProgrammableVariable-Air-Volume (VAV) Box Controller

• VAV-SVX07*-EN — Tracer® UC400 ProgrammableBACnet® Controller for VAV Units

• VAV-SVP01*-EN — VAV VV550 LonTalk® Controller• VAV-SVX01*-EN — VAV-UCM 4.2 IOM

• VAV-SVX02*-EN — VariTrane™ PneumaticControls

Receiving and HandlingThese units are shipped completely assembled with theexceptions of outlet duct temperature sensors on non-VCEF products, water valves, and accessories. Uponreceiving the equipment, complete the following:

• Locate the nameplate and refer to the model andsales order number and check that the correct unitshave been delivered.

• Inspect the control enclosures and air valve casingfor dents or punctures.

• Verify that all options have been included, such asfilters, controls, heating coils, water valves, etc.Also check that the unit voltages agree with thebuilding parameters.

• Manually rotate fan (if applicable) to assure thatthere are no obstructions within the housing.

• Claims for in-transit damage must be filedimmediately with the delivery carrier.

• For hot water re-heat units, check the coil fins andmake sure that coils are not damaged.

• Locate and verify that the correct zone sensors arewith the order. These will be marked with an orange“Accessories Enclosed” label. Store in a securelocation until needed. Accessories lost at the jobsite are NOT covered by the Trane warranty.

• If a discrepancy occurs between what was orderedand what is received, contact you local Tranerepresentative immediately.

• Read appropriate section in this manual forinstallation procedures prior to starting equipment.

Upon receiving the equipment, please inspect each unitand components for external or internal damage. Referto the bill of lading to insure all equipment andaccessories have been received. Contact your local

IInnttrroodduuccttiioonn

4 VAV-SVX08P-EN

Trane sales representative and notify the truckingcompany immediately of any short ship or damagedequipment.

Read this manual thoroughly before operating orservicing this unit.

CopyrightThis document and the information in it are theproperty of Trane, and may not be used or reproducedin whole or in part without written permission. Tranereserves the right to revise this publication at any time,and to make changes to its content without obligationto notify any person of such revision or change.

TrademarksAll trademarks referenced in this document are thetrademarks of their respective owners.

Revision History• Updated the Fan-Powered VAV units model number

descriptions and the Chilled water sensible coolingterminal units sections in the Model Numberschapter.

• Updated the Parallel hanger bracket locationdimensions, the Low height parallel units, and theLow–height series units tables in the UnitInstallation chapter.

• Running edits.

IInnttrroodduuccttiioonn

VAV-SVX08P-EN 5

Model Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Single-Duct VAV Units . . . . . . . . . . . . . . . . . . . . 6

Dual-Duct VAV Units . . . . . . . . . . . . . . . . . . . . . . 9

Fan-Powered VAV Units Model NumberDescriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Chilled Water Sensible Cooling TerminalUnits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Unit Information. . . . . . . . . . . . . . . . . . . . . . . . . . . 15Single Duct VAV Units . . . . . . . . . . . . . . . . . . . 15

Typical Single Duct VAV Units . . . . . . . . 15

Dual-Duct VAV Units . . . . . . . . . . . . . . . . . . . . 16

Fan-Powered/Fan-Powered Low-HeightVAV Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Typical Fan-powered Units . . . . . . . . . . . 16

Chilled Water Sensible Cooling TerminalUnits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Single-Duct VAV Units . . . . . . . . . . . . . . . . . . . 19

Dual-Duct VAV Units . . . . . . . . . . . . . . . . . . . . . 19

Fan-Powered VAV Units and ChilledWater Sensible Cooling TerminalUnits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Bracket Locations — FanPowered . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Bracket LocationsChilled WaterSensible Cooling TerminalUnits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Duct Connections. . . . . . . . . . . . . . . . . . . . . . . . 24

Water Coil Connections . . . . . . . . . . . . . . . . . . 24

Discharge Duct Temperature SensorInstallation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Electronic Duct Temperature SensorInstallation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Chilled Water Sensible Cooling TerminalUnits Moisture Sensor Installation . . . . . . . . 26

Unit Accessibility . . . . . . . . . . . . . . . . . . . . . . . . 26Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Mounting Actuator . . . . . . . . . . . . . . . . . . . . . . 26

Stand-alone Units . . . . . . . . . . . . . . . . . . . . . . . 26Stand-alone UCM 4.2. . . . . . . . . . . . . . . . . 26Stand-alone VV550 LonTalkControl. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Stand-alone UC400. . . . . . . . . . . . . . . . . . . 27Stand-alone UC210. . . . . . . . . . . . . . . . . . . 27

Bottom Access . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Weights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Unit Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Fan Motor Amperage . . . . . . . . . . . . . . . . . . . . 31

Adjusting the SCR Motor SpeedControl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Electrically Commutated Motor(ECM). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . 43Wiring — Electric Heater ControlBox. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Control Box Wiring . . . . . . . . . . . . . . . . . . . . . . 57

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65Motors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65Filter Change Out . . . . . . . . . . . . . . . . . . . . 65

Water Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Fan Motor Replacement . . . . . . . . . . . . . . . . . . 65

SCR Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Table of Contents

6 VAV-SVX08P-EN

Model NumbersSingle-Duct VAV Units

Digit 1, 2— Unit Type

VC = VariTrane™ Single—Duct

Digit 3— Reheat

C = Cooling OnlyE = Electric HeatW = Hot Water Heat

Digit 4 — Development Sequence

F = Sixth

Digit 5, 6 — Primary Air Valve

04 = 4" inlet (225 cfm)05 = 5" inlet (350 cfm)06 = 6" inlet (500 cfm)08 = 8" inlet (900 cfm)10 = 10" inlet (1400 cfm)12 = 12" inlet (2000 cfm14 = 14" inlet (3000 cfm)16 = 16" inlet (4000 cfm)24 = 24" x 16" inlet (8000 cfm)

Digit 7, 8, 9—Not Used

000 = N/A

Digit 10, 11—Design Sequence

M0 = New Hot Water Coil

Digit 12, 13, 14, 15— Controls

DD00 = Trane Actuator Only and EnclosureDD01 = UCM4 Cooling Only ControlDD02 = UCM4 N.C. On/Off Hot WaterDD03 = UCM4 Prop Hot WaterDD04 = UCM4 Staged On/Off Elec HeatDD05 = UCM4 Pulse Width MOD Elec HeatDD07 = UCM4 N.O. On/Off Hot WaterDD11 = VV550 DDC- Controller, Cool OnlyDD12 = VV550 DDC- Ctrl to operate N.C. On/Off Water ValveDD13 =VV550 DDC- Ctrl to operate PropWater ValveDD14 = VV550 DDC- Ctrl On/Off Elec HeatDD15 = VV550 DDC- Ctrl w/Pulse WidthModulationDD16 = VV550 DDC- Controller VentilationFlowDD17 = VV550 DDC- Ctrl to Operate N.O.On/Off Water ValveDD19 = VV550 DDC- Controller with FlowTrackingDD20 = VV550 DDC- Vent Flow Control l toOperate N.C. Water ValveDD21 = VV550 DDC- Vent Flow w/ On/OffElec Heat

Digit 12, 13, 14, 15 — Controls(continued)DD22 = VV550 DDC- Vent Flow control tooperate prop water valveDD23 = VV550 DDC- Basic plus- Local(Electric heat- PWM) RemoteDD24 = VV550 DDC- Basic plus- Local(Water heat- Modulating)DD25 = VV550 DDC- Basic plus- Local(Water heat- Modulating) Remote (Water-N.O. 2-position)DD26 = VV550 DDC- Basic plus- Local(Water heat- N.O. 2-position) Remote(Water- Modulating)DD27 = VVV550 DDC- Basic plus- Local(Water heat- N.C. 2-position) Remote(Water- Modulating)DD28 = VV550 DDC- Basic plus- Local(Water heat- N.O. 2-position) Remote(Water- N.O. 2-position)DD29 = VV550 DDC- Basic plus- Local(Water heat- N.C. 2-position) Remote(Water- NC 2-position)DD30 = VV550 DDC- Basic plus- Local(Water heat- N.O. 2-position) Remote(Water- N.C. 2-position)DD31 =VV550 DDC- Basic plus- Local (Waterheat- N.C. 2-position) Remote (Water- N.O.2-position)DD32 = VV550 DDC- Basic plus- Local(Electric heat- Staged) Remote (Staged EH)DD33 = VV550 DDC- Vent Flow control tooperate N.O. On/Off water valveDD41 = UC400 DDC- Basic (No water orelectric heat)DD42 = UC400 DDC- Basic (Water heat- N.C.2-position)DD43 = UC400 DDC- Basic (Water heat-Modulating)DD44 = UC400 DDC- Basic (Electric heat-Staged)DD45 = UC400 DDC- Basic (Electric heat-PWM)DD46 = UC400 DDC- Ventilation flow-cooling onlyDD47 = UC400 DDC- Basic (Water heat- N.O.2-position)DD49 = UC400 DDC- Flow Tracking (Coolingonly)DD50 = UC400 DDC- Ventilation Flow (Waterheat- N. C. 2-positionDD51 = UC400 DDC- Ventilation Flow(Electric heat- Staged)DD52 = UC400 DDC- Ventilation Flow (Waterheat- Modulating)DD53 = UC400 DDC- Basic plus- Local(Electric heat- PWM) Remote (Staged EH)DD54 = UC400 DDC- Basic plus- Local(Water heat- Modulating) Remote (Water-N.C. 2-position)DD55 =UC400 DDC- Basic plus Local (Waterheat- Modulating) Remote (Water- N.O.2-position)

Digit 12, 13, 14, 15— Controls(continued)DD56 = UC400 Basic plus - Local (Water heat- N.O. 2-position) Remote (Water -Modulating)DD57 = UC400 DDC- Basic plus- Local(Water heat- N.C. 2-position) Remote(Water- Modulating)DD58 = UC400 DDC- Basic plus- Local(Water heat- N.O. 2-position) Remote(Water- N.O. 2-position)DD59 = UC400 DDC- Basic plus- Local(Water heat- N.C. 2-position) Remote(Water- N.C. 2-position)DD60 = UC400 DDC- Basic plus- Local(Water heat- N.O. 2-position) Remote(Water- N.C. 2-position)DD61 = UC400 DDC- Basic plus- Local(Water heat- N.C. 2-position) Remote(Water- N.O. 2-position)DD62 = UC400 DDC- Basic plus- Local(Electric heat- Staged) Remote (Staged EH)DD63 = UC400 DDC- Ventilation Flow (Waterheat- N.O. 2-position)DD65 = UC400 Basic (Electric HeatModulating SCR)DD66 = UC400 Basic plus- Local (Electricheat-Modulating SCR) Remote (Staged EH)DD67 = UC400 Ventilation Flow (Electricheat- Modulating SCR)DD71 = UC210 DDC- Basic (No water orelectric heat)DD72 = UC210 DDC- Basic (Water heat- N.C.2-position)DD73 = UC210 DDC- Basic (Water heat-Modulating)DD74 = UC210 DDC- Basic (Electric heat-Staged)DD75 = UC210 DDC- Basic (Electric heat-PWM)DD76 = UC210 DDC Ventilation flow- coolingonlyDD77 = UC210 DDC- Basic (Water heat- N.O.2-position)DD79 = UC210 DDC- Flow Tracking (Coolingonly)DD80 = UC210 DDC- Ventilation Flow (Waterheat- N.C. 2-position)DD81 = UC210 DDC- Ventilation Flow(Electric heat- Staged)DD82 = UC210 DDC- Ventilation Flow (Waterheat- Modulating)DD83 = UC210 DDC- Basic plus- Local(Electric heat- PWM) Remote (Staged EH)DD84 = UC210 DDC- Basic plus- Local(Water heat- Modulating) Remote (Water-N.C. 2-position)DD85 = UC210 DDC- Basic plus- Local(Water heat- Modulating) Remote (Water-N.O. 2-position)DD86 = UC210 DDC- Basic plus- Local(Water heat- N.O. 2-position) Remote(Water- Modulating)

VAV-SVX08P-EN 7

Digit 12, 13, 14, 15— Controls(continued)DD87 = UC210 DDC- Basic plus- Local(Water heat- N.C. 2-position) Remote(Water- Modulating)DD88 = UC210 DDC- Basic plus- Local(Water heat- N.O. 2-position) Remote(Water- N.O. 2-position)DD89 = UC210 DDC- Basic plus- Local(Water heat- N.C. 2-position) Remote(Water- N.C. 2-position)DD90 = UC210 DDC- Basic plus- Local(Water heat- N.O. 2-position) Remote(Water- N.C. 2-position)DD91 = UC210 DDC- Basic plus- Local(Water heat- N.C. 2-position) Remote(Water- N.O. 2-position)DD92 = UC210 DDC- Basic plus- Local(Electric heat- Staged) Remote (Staged EH)DD93 = UC210 Ventilation Flow (Water heat-N.O. 2-position)DD95 = UC210 Basic (Electric HeatModulating SCR)DD96 = UC210 Basic plus- Local (Electricheat-Modulating SCR) Remote (Staged EH)DD97 = UC210 Ventilation Flow (Electricheat-Modulating SCR)ENCL = Shaft Only in EnclosureENON = Shaft Out Side for Electric UnitsFM00 = Other Actuator and ControlFM01 = Trane Supplied Actuator, Other CtrlPC00 = N.C. Actuator and Linkage OnlyPC04 = N.C. with DA Stat, 3000 SeriesPC05 = UC210 DDC- Ventilation flow- coolingonlyPCSS = UC210 DDC- Basic (Water heat- N.O.2-position)PN00 = UC210 DDC- Flow Tracking (Coolingonly)PN04 = UC210 DDC- Ventilation Flow (Waterheat- N. C. 2-position)PN05 = N.C. with RA STAT, 3000 SeriesPN11 = Auto Dual Min.PN32 = N.O. PNEU Constant Vol.PN34 = N.O. 3000 Series Constant Vol.,RASTATPNON = Shaft Out Side for Pneumatic UnitsPNSS = Normally-Open SpecialN.C. = Normally-ClosedN.O. = Normally-OpenDA Stat = Direct-acting Pneumatic T-stat (ByOthers)RA Stat = Reverse-acting Pneumatic T-stat(By Others)PN = PneumaticFM = Factory Installation of Customer-supplied ControllersPVR = Pneumatic Volume Regulator

Digit 16— Insulation

A = 1/2” Matte-facedB = 1” Matte-facedD = 1” Foil-facedF = 1” Double WallG = 3/8” Closed-cell

Digit 17, 18—Not Used

00= Not Applicable

Digit 19—Outlet Plenum (Slip-and-Drive Connection0 = NoneA = 1 Outlet RHB = 1 Outlet ENDC= 1 Outlets, LHD = 2 Outlets, 1RH, 1ENDE= 2 Outlets, 1LH, 1ENDF= 2 Outlets, 1RH, 1LHH= 3 Outlets, 1LH, 1RH, 1ENDJ = 4 Outlets, 1LH, 1RH, 2END

Note: See unit drawings for outlet sizes/damper information.

Digit 20—Not Used

0 = Not Applicable

Digit 21—Water Coil

0 = None1 = 1 Row2 = 2 Row3 = 3 Row4 = 4 RowA = 1 Row PremiumB = 2 Row PremiumC= 3 Row PremiumD = 4 Row Premium

Digit 22— Electrical Connections

F= Able to Flip for LH/RH Connections (VCEFOnly)L = Left, Airflow hits in faceR = Right, Airflow hits in face0 = Opposite side connection, coil and control(VCWF Only)

Note: VCCF/VCWF can be flipped in field foropposite connections.

Digit 23— Transformer

0 = None1 = 120/24V, 50 VA2 = 208/24V, 50 VA3 = 240/24V, 50 VA4 = 277/24V, 50 VA5 = 480/24V, 50 VA6 = 347/24V, 50 VA7 = 380/24V, 50 VA8 = 575/24V, 50 VA

Note: For VCEF units with transformers theVA depends on the staging, control,and contactor type (ranges are 50 VAto 75 VA, for 1 and 3 phase)

Digit 24— Disconnect Switch

0 = NoneW =With

Note: VCCF/VCWF— toggle disconnect.VCEF-door interlocking powerdisconnect.

Digit 25— Power Fuse

0 = NoneW =With

Digit 26— Electric Heat Voltage

0 = NoneA = 208/60/1B = 208/60/3C = 240/60/1D = 277/60/1E = 480/60/1F = 480/60/3G = 347/60/1H = 575/60/3J = 380/50/3K = 120/60/1

Digit 27, 28, 29— Electric Heat kW

000 = None010 = 1.0 kW015 = 1.5 kW460 = 46.0 kW

Notes:

• 0.5 to 8.0 kW in 1/2 kWincrements

• 8.0 to 18.0 kW in 1 kWincrements


Digit 30— Electric Heat Stages

0 = None1 = 1 Stage2 = 2 Stages Equal3 = 3 Stages Equal

Digit 31— Electric Heat Contactors

0 = None1 = 24V Magnetic2 = 24V Mercury3 = PE w/Magnetic4 = PE w/Mercury5 = 0–10Vdc SCR Heat; UC400/UC2106 = 0–10Vdc SCR Heat; FMTD/ENCL/DD007 = 24V SSR (Solid State Relay)A = 24V Mercury Left HandB = 24V Mercury Right HandC = PE w/Mercury Left HandD = PE 2/Mercury Right Hand

Digit 32, 33—Not Used

00 = Not Applicable

MMooddeell NNuummbbeerrss

8 VAV-SVX08P-EN

Digit 34— Actuator

0 = StandardA = Spring Return, Normally OpenB = Spring Return, Normally ClosedC = Belimo™ ActuatorG = Trane Analog Actuator (UC210 or UC400only)

Digit 35— Sensor Options

0 = Standard, Wired3 = Trane Air-Fi®Wireless CommunicationsInterface

Digit 36— Pre-wired FactorySolutions0 = None1 = Factory-mounted DTS2 = HW Valve Harness3 = Both DTS/HW Valve Harness4 = Averaging DTS Factory-installed in Unit(Required UC210/UC400 w/SCR Heat)5 = Analog HW Valve, field provided

Digit 37— Bottom AccessWith CamLocks0 = None1 = Access Left Side Terminal Unit2 = Access Right Side Terminal Unit3 = Access Left Side Terminal Unit w/WaterConnection Right Side4 = Access Right Side Terminal Unit w/WaterConnection Left Side

Digit 38—Piping Package

0 = NoneA = 2–Way Automatic BalancingB = 3–Way Automatic Balancing

Digit 39—Water Valve

0 = None1 = Proportional HW Valve 0.7 Cv2 = Proportional HW Valve 2.7 Cv3 = Proportional HW Valve 6.6 Cv4 = Proportional HW Valve 8.0 Cv5 = Analog HW Valve, field provided (UC210or UC400 only)6 = Proportional, HW Valve, 1.7 Cv7 = Proportional, HW Valve, 5.0 Cv

Digit 40— Flow Rate

00 = No HeatA = 0.5 gpm, 0.03 l/sB = 1.0 gpm, 0.06 l/sC = 1.5 gpm, 0.09 l/sD = 2.0 gpm, 0.13 l/sE = 2.5 gpm, 0.16 l/sF = 3.0 gpm, 019 l/sG = 3.5 gpm, 0.22 l/sH = 4.0 gpm, 0.25 l/sJ = 4.5 gpm, 0.28 l/sK = 5.0 gpm, 0.31 l/sL = 5.5 gpm, 0.35 l/s

Digit 40 — Flow Rate (continued)

M = 6.0 gpm, 0.38 l/sN = 6.5 gpm, 0.41 l/sP = 7.0 gpm, 0.44 l/sQ = 7.5 gpm, 0.47 l/sR = 8.0 gpm, 0.50 l/sS = 9.0 gpm, 0.57 l/sT= 10.0 gpm, 0.63 l/sU= 11.0 gpm, 0.69 l/sV= 12.0 gpm, 0.76 l/sW = 13.0 gpm, 0.82 l/sX= 14.0 gpm, 0.88 l/sY = 15.0 gpm, 0.95 l/sZ = 16.0 gpm, 1.01 l/s1 = 17.0 gpm, 1.07 l/s2 = 18.0 gpm, 1.14 l/s3 = 19.0 gpm, 1.20 l/s4 = 20.0 gpm, 1.26 l/s5 = 21.0 gpm, 1.32 l/s6 = 22.0 gpm, 1.39 l/s7 = 23.0 gpm, 1.45 l/s

Digit 41 — Air Leakage Class

0 = Standard Air Leakage1 = Certified Ultra-Low Air Leakage


VAV-SVX08P-EN 9

Dual-Duct VAV Units

Digit 1, 2, 3— Unit Type

VDD = VariTrane™ Dual—Duct


F = Sixth


05 = 5" inlet (350 cfm)06 = 6" inlet (500 cfm)08 = 8" inlet (900 cfm)10 = 10" inlet (1400 cfm)12 = 12" inlet (2000 cfm14 = 14" inlet (3000 cfm)16 = 16" inlet (4000 cfm)

Digit 7, 8 — Secondary Air Valve

05 = 5" inlet (350 cfm)06 = 6" inlet (500 cfm)08 = 8" inlet (900 cfm)10 = 10" inlet (1400 cfm)12 = 12" inlet (2000 cfm14 = 14" inlet (3000 cfm)16 = 16" inlet (4000 cfm)

Digit 9— Not Used

0 = Not applicable


** = Factory Assigned


DD00 = Trane Actuator OnlyDD01 = Dual UCM4.2 Cooling Only ControlDD08 = Dual UCM4.2 Constant VolumeDD11 = Dual VV550 DDC, Cooling OnlyDD18 = Dual VV550 DDC, Constant VolumeDD41 = UC400 DDC Basic, No Water orElectric HeatDD48 = UC400 DDC Basic, Constant VolumeENON = Shaft Out Side for Electric UnitsFM00 = Other Actuator and ControlFM01 = Trane Supplied Actuator, Other CtrlPC03 = NC Heating Valve, N.O. Cooling ValvePCSS = Normally Closed SpecialPN08 = N.O. Heat/Cool. Actuators andLinkage OnlyPN09 = N.O. Heating, N.O. Cooling, w/PVRPN10 = N.O. Heating, N.O. Cooling, w/PVR(CV Discharge)PNON = Shaft Outside for Pneumatic UnitsPNSS = Normally Open Special

Digit 16 — Insulation

A = 1/2” Matte-facedB = 1” Matte-facedD = 1” Foil-facedF= 1” Double WallG = 3/8” Closed-cell

Digit 17—Not Used

0 = Not Applicable

Digit 18—Not Used

0 = Not Applicable

Digit 19 —Outlet Plenum (Slip-and-Drive Connection)0 = NoneA = 1 Outlet RHB = 1 Outlet ENDC= 1 Outlets, LHD = 2 Outlets, 1RH, 1ENDE= 2 Outlets, 1LH, 1ENDF= 2 Outlets, 1RH, 1LHG = 2 Outlets, 2ENDH= 3 Outlets, 1LH, 1RH, 1ENDJ = 4 Outlets, 1LH, 1RH, 2END

Note: See unit drawings for outlet sizes/damper information.

Digit 20—Not Used

0 = Not Applicable

Digit 21—Not Used

0 = Not Applicable

Digit 22—Not Used

0 = Not Applicable

Digit 23 — Transformer

0 = None1 = 120/24V, 50 VA2 = 208/24V, 50 VA3 = 240/24V, 50 VA4 = 277/24V, 50 VA5 = 480/24V, 50 VA6 = 347/24V, 50 VA7 = 575/24V, 50 VA

Digit 24— Disconnect Switch

0 = NoneW =With Toggle

Digit 25— Power Fuse

0 = NoneW =With

Digit 26— Not Used

0 = Not Applicable


0 = Not Applicable


0 = Not Applicable


0 = Not Applicable

Digit 30—Not Used

0 = Not Applicable


0 = Not Applicable


0 = Not Applicable

Digit 33— Special Options

0 = NoneX = Varies, Factory Assigned


0 = StandardA = Belimo™ ActuatorB = Trane Analog Actuator (UC400 only)

Digit 35—Wireless Sensor

0 = Sensor/Receiver Standard3 = Trane Air-Fi®Wireless CommunicationInterface

Note: All sensors selected in accessories.

Digit 36— Duct Temperature Sensor

0 = None1 =With Duct Temperature Sensor


10 VAV-SVX08P-EN

Fan-Powered VAV Units Model Number Descriptions


VP = VariTrane™ Fan-Powered ParallelVS = VariTrane™ Fan-Powered SeriesLP = VariTrane™ Fan-Powered Low HeightParallelLS = VariTrane™ Fan-Powered Low HeightSeries

Digit 3— Reheat



F = Sixth


04 = 4" inlet (225 cfm)05 = 5" inlet (350 cfm)06 = 6" inlet (500 cfm)08 = 8" inlet (900 cfm)10 = 10" inlet (1400 cfm)12 = 12" inlet (2000 cfm14 = 14" inlet (3000 cfm)16 = 16" inlet (4000 cfm)RT = 8" x 14" inlet (1800 cfm)

Note: 10, 12, 14, and 16 not available on lowheight units.

Digit 7, 8— Secondary Air Valve Used

00 = N/A

Digit 9 — Fan

A = DS02 Fan (1300 nom cfm)B = PS02 Fan (1160 nom cfm)C = DS03 Fan (1950 nom cfm)P = 02SQ Fan (500 nom cfm)Q =03SQ Fan (1100 nom cfm)R = 04SQ Fan (1350 nom cfm)S = 05SQ Fan (1550 nom cfm)T =06SQ Fan (1850 nom cfm)U = 07SQ Fan (2000 nom cfm)



Digit 12, 13, 14, 15 — Controls

DD01 = Cooling Only ControlDD02 = N.C. On/Off Hot WaterDD03 = Prop Hot WaterDD04 = Staged On/Off Elec HeatDD05 = Pulse Width Mod of Elect HeatDD07 = N.O. On/Off Hot WaterDD11 = VV550 DDC- Controller, Cooling OnlyDD12 = VV550 DDC- Control w/N.C. On/OffHW ValveDD13 = VV550 DDC- Control w/Prop. HwValveDD14 = VV550 DDC- Control On/Off ElectricHeatDD15 = VVV550 DDC- Control w/Pulse WidthModulationDD17 = VVV550 DDC- Control w/N.O On/OffHW ValveDD41 = UC400 DDC- Basic (No water orelectric heat)DD42 = UC400 DDC- Basic (Water heat- N.C.2-position)DD43 = UC400 DDC- Basic (Water heat-Modulating)DD44 = UC400 DDC- Basic (Electric heat-Staged)DD45 = UC400 DDC- Basic (Electric heat-PWM)DD47 = UC400 DDC- Basic (Water heat- N.O.2-position)DD53 = UC400 DDC- Basic plus- Local(Electric heat- PWM) Remote (Staged EH)DD58 = UC400 DDC- Basic plus- Local(Water heat- Modulating) Remote (Water-N.O. 2-position)DD59 =UC400 DDC- Basic plus Local (Waterheat- Modulating) Remote (Water- N.C.2-position)DD60 = UC400 DDC- Basic Plus Local (WaterHeat- N.O. 2-position) Remote Water- N.C.2-position)DD61 = UC400 DDC- Basic plus- Local(Water heat- N.C. 2-position) Remote(Water- N.O. 2-position)DD62 = UC400 DDC- Basic plus- Local(Electric heat- Staged) Remote (Staged EH)DD65 = UC400 Basic (Electric HeatModulating SCR)DD66 = UC400 Basic plus- Local (Electricheat-Modulating SCR) Remote (Staged EH)

Digit 12, 13, 14, 15— Controls(continued)DD71 = UC210 DDC- Basic (No water orelectric heat)DD72 = UC210 DDC- Basic (Water heat- N.C.2-position)DD73 = UC400 DDC- Basic (Water heat-Modulating)DD74 = UC210 DDC- Basic (Electric heat-Staged)DD75 = UC210 DDC- Basic (Electric heat-PWM)DD77 = UC210 DDC- Basic (Water heat- N.O.2-position)DD83 = UC210 DDC- Basic plus- Local(Electric heat- PWM) Remote (Staged EH)DD84 = UC210 DDC- Basic plus- Local(Water heat- Modulating) Remote (Water-N.C. 2-position)DD85 = UC210 DDC- Basic plus- Local(Water heat- Modulating) Remote (Water-N.O. 2-position)DD86 = UC210 DDC- Basic plus- Local(Water heat- N.O. 2-position) Remote(Water- Modulating)DD87 = UC210 DDC- Basic plus- Local(Water heat- N.C. 2-position) Remote(Water- Modulating)DD88 = UC210 DDC- Basic plus- Local(Water heat- N.O. 2-position) Remote(Water- N.O. 2-position)DD89 = UC210 DDC-Basic plus- Local (Waterheat- N.C. 2-position) Remote (Water- N.C.2-position)DD90 = UC210 DDC- Basic plus- Local(Water heat- N.O. 2-position) Remote(Water- N.C. 2-position)DD91 = UC210 DDC- Basic plus- Local(Water heat- N.C. 2-position) Remote(Water- N.O. 2-position)DD92 = UC210 DDC- Basic plus- Local(Electric heat- Staged) Remote (Staged)DD95 = UC210 Basic (Electric HeatModulating SCR)DD96 = UC210 Basic plus- Local (Electricheat-Modulating SCR) Remote (Staged EH)DD00 = Trane Actuator OnlyENCL = Shaft Only in EnclosureENON = Shaft Out Side for Electric UnitsFM00 = Other Actuator and ControlFM01 = Trane Supplied Actuator, Other CtrlPN00 = N.O. Actuator and Linkage OnlyPN05 = N.O. with RA STAT, 3000 SeriesPN51 = Pneumatic N.O. w/3011, DPS FanPN52 = Pneumatic N.O. w/3011, DPM FanPNON = Shaft Out Side for Pneumatic Units


VAV-SVX08P-EN 11

Digit 16— Insulation

A = 1/2” Matte-facedB = 1” Matte-facedD = 1” Foil-facedF = 1” Double WallG = 3/8” Closed-cell

Digit 17—Motor Type

D = PSC MotorE = High-efficiency ElectronicallyCommutated Motor (ECM)F = Variable Speed High-efficiencyElectronically Commutated Motor (ECV)

Digit 18—Motor Voltage

1 = 115/60/12 = 277/60/13 = 347/60/14 = 208/60/15 = 230/50/1

Digit 19—Outlet Connection

1 = Flanged2 = Slip–and-Drive Connection

Digit 20— Attenuator

0 = NoneB = SuppressorT = Thinline Suppressor

Digit 21—Water Coil

0 = None1 = 1 Row, Plenum Inlet Installed RH2 = 2 Row, Plenum Inlet Installed RH3 = 1 Row, Discharge Installed LH4 = 1 Row, Discharge Installed RH5 = 2 Row, Discharge Installed LH6 = 2 Row, Discharge Installed RHA = 1 Row Premium, Water Coil InletB = 2 Row Premium, Water Coil InletC = 1 Row Premium, Hot Coil on Discharge LHD = 1 Row Premium, Hot Coil on DischargeRHE = 2 Row Premium, Hot Coil on Discharge LHF = 2 Row Premium, Hot Coil on Discharge RH

Digit 22— Electrical Connections

F = Flippable Left and Right HandL = Left, Airflow hits in faceR = Right, Airflow hits in faceW = Narrow Corridor LH, High Voltage, InletFacingX = Narrow Corridor RH, High Voltage, InletFacing

Note: Digits W and X, fan-powered seriesonly.

Digit 23— Transformer

0 = Not Applicable

Digit 24 —Disconnect Switch

0 = NoneW =With

Note: Electric reheat w/door interlockingpower disconnect, cooling only andwater reheat w/toggle disconnect.

Digit 25 — Power Fuse

0 = NoneW =With

Digit 26 — Electric Heat Voltage

0 = NoneA = 208/60/1B = 208/60/3C= 240/60/1D = 277/60/1E= 480/60/1F= 480/60/3G = 347/60/1H= 575/60/3J = 380/50/3K= 120/60/1

Note: Digit K not available wit low height.


000 = None010 = 1.0 kW015 = 1.5 kW460 = 46.0 kW

Notes:




Digit 30 — Electric Heat Stages

0 = None1 = 1 Stage2 = 2 Stages Equal3 = 3 Stages Equal

Note: Digit 3 not available with low height.


0 = None1 = 24V Magnetic2 = 24V Mercury3 = PE w/Magnetic4 = PE w/Mercury5 = 0-10Vdc SCR Heat; UC4006 = 0-10Vdc SCR Heat; FMTD/ENCL/DD007 = 24V SSR (Solid State Relay)

Notes: SCR cannot be selected with thefollowing:

• kW>10,208V, 3Ph, Low Height

• kW>22,480V, 3Ph, Low Height

• Voltage = 575V

Digit 32— Air Switch

0 = Not ApplicableW =With

Digit 33—Not Used

0 = Not Applicable


0 = StandardA = Belimo™ ActuatorG = Trane Analog Actuator (UC210 or UC400only)

Digit 35—Wireless Sensors

0 = None2 =Wireless Comm Interface Modular FM3 = Trane Air-Fi®Wireless CommunicationsInterface


Digit 36— Pre-wired FactorySolutions0 = None1 = Factory-mounted DTS2 = HW Valve Harness3 = Both DTS/HW Valve Harness

Digit 37— Bottom Access

0 = NoneW = Access Left Side Terminal Unit

Digit 38—Piping Package

0 = NoneA = 2–Way Automatic BalancingB = 3–Way Automatic Balancing


12 VAV-SVX08P-EN

Digit 39—Water Valve

0 = None1 = Proportional HW Valve 0.7 Cv2 = Proportional HW Valve 2.7 Cv3 = Proportional HW Valve 6.6 Cv4 = Proportional HW Valve 8.0 Cv5 = Analog HW Valve, Field Provided (UC210or UC400 only)6 = Proportional HW Valve 1.7 Cv7 = Proportional HW Valve 5.0 Cv

Digit 40— Flow Rate

00 = No HeatA = 0.5 gpm, 0.03 l/sB = 1.0 gpm, 0.06 l/sC = 1.5 gpm, 0.09 l/sD = 2.0 gpm, 0.13 l/sE = 2.5 gpm, 0.16 l/sF = 3.0 gpm, 019 l/sG = 3.5 gpm, 0.22 l/sH = 4.0 gpm, 0.25 l/sJ = 4.5 gpm, 0.28 l/sK = 5.0 gpm, 0.31 l/sL = 5.5 gpm, 0.35 l/sM = 6.0 gpm, 0.38 l/sN = 6.5 gpm, 0.41 l/sP = 7.0 gpm, 0.44 l/sQ = 7.5 gpm, 0.47 l/s


VAV-SVX08P-EN 13

Chilled Water Sensible Cooling Terminal Units


LD = Chilled Water Sensible Cooling TerminalUnits

Digit 3— Heating



F = Sixth


04 = 4" inlet (225 max cfm)05 = 5" inlet (350 max cfm)06 = 6" inlet (500 max cfm)08 = 8" inlet (900 max cfm)RT = 8x14” inlet (1800 max cfm)

Digit 7, 8— Secondary Air Valve

00 = N/A

Digit 9 — Fan

A = DS01 Fan (700 max cfm)B = DS02 Fan (1300 max cfm)




DD00 = Trane Actuator OnlyENCL = Shaft Only in EnclosureFM00 = Other Actuator and ControlFM01 = Trane Supplied Actuator, OtherControlSC41 = UC400 DDC- Sensible Cooling- Basic(No water or electric heat)SC43 = UC400 DDC- Sensible Cooling- Basic(Water heat, Modulating)SC44 = UC400 DDC- Sensible Cooling- Basic(Electric heat- Staged)SC62 = UC400 DDC- Sensible Cooling- Basicplus Local (Electric heat- Staged), Remote(Staged)SC65 = UC400 DDC- Sensible Cooling- Basic(Electric Heat Modulating SCR)SC66 = UC400 DDC- Sensible Cooling- Basicplus Local (Electric heat- Modulating SCR)Remote (Staged)

Digit 16 — Insulation

A = 1/2” Matte-facedB = 1” Matte-facedD = 1” Foil-facedF= 1” Double WallG = 3/8” Closed-cell

Digit 17 —Motor Type

E= High-efficiency Motor (ECM)F= Variable Speed High-efficiencyElectronically Commutated Motor (ECV)

Digit 18 —Motor Voltage

1 = 115/60/12 = 277/60/1

Digit 19 —Outlet Connection

1 = Flanged2 = Slip–and-Drive Connection

Digit 20 — Attenuator

0 = No Attenuator

Digit 21 —Water Coil

0 = None3 = 1 Row, Discharge Installed, LH4 = 1 Row, Discharge Installed, RH5 = 2 Row, Discharge Installed, LH6 = 2 Row, Discharge Installed, RHC= 1 Row Premium, Hot Coil on Discharge,LHD = 1 Row Premium, Hot Coil on Discharge,RHE= 2 Row Premium, Hot Coil on Discharge,LHF= 2 Row Premium, Hot Coil on Discharge,RH

Digit 22 — Control, Heat Connections

F= Flippable Left and Right Hand

Digit 23 —Unit Filter

0 = Construction Throw-away Filter8 =MERV 8 Filter

Digit 24 —Disconnect Switch

0 = NoneW =With

Digit 25 — Power Fuse

0 = NoneW =With

Digit 26— Electric Heat Voltage

0 = NoneA = 208/60/1B = 208/60/3C = 240/60/1D = 277/60/1E = 480/60/1F = 480/60/3


000 = None005 = 0.5 kW010 = 1.0 kW015 = 1.5 kW200 = 20.0 kW

Notes:




Digit 30— Electric Heat Stages

0 = None1 = 1 Stage2 = 2 Stages Equal


0 = None1 = 24V Magnetic5 = SCR Heat, UC4006 = SCR Heat, FM00/ENCL/DD00

Digit 32— Airflow Switch

0 = NoneW =With


0 = Not Applicable


0 = StandardA = Belimo™ ActuatorD = Trane Analog Actuator (UC210 or UC400only)

Digit 35—Wireless Sensors

0 = None3 = Air-Fi®Wireless Communications



14 VAV-SVX08P-EN

Digit 36— Pre-wired FactorySolutions0 = None1 = Discharge Temperature Sensor (DTS)2 = Hot Water (HW) Valve Harness3 = DTS and HW Valve Harness7 = Chilled Water (CW) Valve Harness8 = CWand HW Valve HarnessB = DTS with CW Valve HarnessC = DTS with CWand HW Valve Harness


0 = Not Applicable

Digit 38— HotWater Piping Package

0 = NoneA = 2–way Automatic BalancingB = 3–way Automatic Balancing

Digit 39— HotWater Valve

0 = None1 = Proportional, HW Valve, 0.7 Cv2 = Proportional, HW Valve, 2.7 Cv3 = Proportional, HW Valve, 6.6 Cv4 = Proportional, HW Valve, 8.0 Cv5 = Analog, HW Valve, field provided (UC210or UC400 only)6 = Proportional, HW Valve, 1.7 Cv7 = Proportional, HW Valve, 5.0 Cv

Digit 40— HotWater Flow Rate

0 = None (No Flow Rate)A = 0.5 gpm (0.03 L/s)B = 1 gpm (0.06 L/s)C = 1.5 gpm (0.09 L/s)D = 2 gpm (0.13 L/s)E = 2.5 gpm (0.16 L/s)F = 3 gpm (0.19 L/s)G = 3.5 gpm (0.22 L/s)H = 4 gpm (0.25 L/s)J = 4.5 gpm (0.28 L/s)K = 5 gpm (0.32 L/s)L = 5.5 gpm (0.35 L/s)M = 6 gpm (0.38 L/s)N = 6.5 gpm (0.41 L/s)P = 7 gpm (0.44 L/s)Q = 7.5 gpm (0.47 L/s)

Digit 41— Sensible Cooling Coil

2 = 2–Row Standard Cooling Coil4 = 4–Row Standard Cooling Coil6 = 6–Row Standard Cooling Coil

Digit 42— ChilledWater CoilConnectionsD = Cooling Coil Connections at UnitDischarge EndV = Cooling Coil Connections at Air Valve End

Digit 43 — ChilledWater PipingPackage0 = NoneA = 2–way Automatic BalancingB = 3–way Automatic Balancing

Digit 44 — ChilledWater Valve

0 = None1 = Proportional Valve, 0.7 Cv2 = Proportional Valve, 2.7 Cv3 = Proportional Valve, 6.6 Cv4 = Proportional Valve, 8.0 Cv5 = Analog CW Valve, Field-Provided (UC400Only)6 = Proportional Valve, 1.7 Cv7 = Proportional Valve, 5.0 Cv

Digit 45 — ChilledWater Flow Rate

0 = None (No Flow Rate)A = 0.5 gpm (0.03 L/s)B = 1 gpm (0.06 L/s)C= 1.5 gpm (0.09 L/s)D = 2 gpm (0.13 L/s)E= 2.5 gpm (0.16 L/s)F= 3 gpm (0.19 L/s)G = 3.5 gpm (0.22 L/s)H= 4 gpm (0.25 L/s)J = 4.5 gpm (0.28 L/s)K= 5 gpm (0.32 L/s)L = 5.5 gpm (0.35 L/s)M = 6 gpm (0.38 L/s)N = 6.5 gpm (0.41 L/s)P = 7 gpm (0.44 L/s)Q = 7.5 gpm (0.47 L/s)


VAV-SVX08P-EN 15

Unit InformationSingle Duct VAV UnitsThe basic unit consists of a sheet metal casing with anair valve, which is used to modulate the air beingdelivered into the occupied zone. The unit is designedto modulate either cooling or heating air between 40°Fand 140°F (4.44°C and 60°C). Air enters the air valvethrough the round or rectangular inlet and exits intothe sheet metal casing to be distributed to the zoneeither through integral round outlets in the casing orthrough rectangular duct attached to the discharge ofthe unit.

The basic unit can also be ordered with factory-mounted electric or hot water heating coils attached tothe discharge.

These re-heat units are used primarily to reheat air-to-zone temperature when the load in the occupied spaceis low.

Primary air is modulated through the VariTrane™ airvalve by rotating the damper blade. All air valves havea round/rectangular inlet for easy fit-up with incomingduct work.

Typical Single Duct VAV UnitsFigure 1. Typical single duct unit; VCCF VCWF, VCEF

16 VAV-SVX08P-EN

Dual-Duct VAV UnitsDual-duct units provide two air valves: one as heatingprimary air and the other as cooling primary air. Bothdischarge into the common outlet, which leads to thezone being controlled. See Figure 2, p. 16.

Units are provided with a slip and drive rectangularduct connection or can be ordered with integral outletplenum.

Sequencing of hot and cold air valve is dependent onjob requirements. One typical control is valves workingin conjunction to respond to zone temperature.

When the cooling valve becomes fully closed orreaches a specified minimum, the heating valve willbegin to modulate or vice versa. The typical result isthat air flowing to the zone varies from maximumdown to a minimum and back up to maximum as loadvaries and controls would cause one air valve to closeand the other to open.

Another typical application is when the unit provides aconstant volume to the zone. When the zone sensor istied directly to the heating valve, it will modulate theheating valve according to the zone temperature.

When the heating valve is fully closed or there is a callfor cooling in the zone, the cooling valve will be atconstant supply. As the space becomes too cool, theheating valve will modulate open, decreasing thecooling valve flow. The typical result is that the airflowing into the zone stays at a constant flow whetherthe unit is heating or cooling.

Factory-installed Trane unit controls available include;

• UC400 — one required per unit• VV550 — two required per unit• UCM — two required per unit

Figure 2. Typical dual-duct unit; VDDF

Fan-Powered/Fan-Powered Low-Height VAV UnitsVariTrane™ fan-powered and low-height fan-poweredunits can be either parallel or series, with or without re-heat. Refer to the following figures.

Typical Fan-powered UnitsFigure 3. Parallel fan-powered terminal unit (top) &series fan-powered terminal units (bottom)

Figure 4. Low height series: LSCF (top) & low heightseries: LSWF (bottom)

UUnniitt IInnffoorrmmaattiioonn

VAV-SVX08P-EN 17

Figure 5. Low height series: LSEF (top) & low heightparallel: LPCF (bottom)

Figure 6. Low height parallel: LPWF (top) & lowheight parallel: LPEF (bottom)

The fan on a series unit runs continuously wheneverthe main air handler unit is in operation. There arethree (3) methods to start the fan: 1) remotely, 2) by aduct pressure switch, or 3) by a combination of both.The particular fan control method may vary from unitto unit, depending upon job needs.

Typically, heater is off while air valve modulatesprimary air and responds to zone temperature. If zonetemperature decreases to the point where a decrease inprimary air will not maintain the desired temperature,the re-heat will be activated to increase thetemperature of the discharge air.

On a parallel unit, the VariTrane™ air valve deliversprimary cooling air to the unit outlet. When the spacetemperature decreases beyond air valve control, the

fan is turned on as the first stage of heat. The fandelivers plenum air from above the occupied space tothe unit outlet, which is mixed with primary air anddelivered to the occupied space.

NNoottee:: Either the fan, the air valve, or both can deliverairflow into the occupied space. In order toprevent primary airflow from exiting through thefan when the fan is not running on a parallel unit,a back draft damper is provided. When the fan isnot running, the efficiency of this system is thesame as a standard single-duct VAV unit.

Typically, the control systems applied to parallel unitscause the air valve to close to zero or a minimum flowbefore the fan is activated. After the fan is activated, theoptional heat will be activated upon further reductionin zone temperature. Therefore, minimal primary air ismixed with the heated air.

VariTrane™ fan-powered unit fan sizes 02SQ–05SQ,DS02, PS02 and DS03 were performance tested at .12in. w.g. and sizes 06SQ and 07SQ were tested at .15 in.w.g. Units are not designed to operate without ductsand below these tested static pressures.

NNoottee:: Fan-powered units are available with rectangulardischarge connection only. The optional heateris mounted on the discharge of the unit. Hotwater coils are connected to either the plenuminlet or on the discharge on parallel units, and tothe discharge of series units.

Chilled Water Sensible CoolingTerminal UnitsChilled water sensible cooling terminal units areavailable with or without re-heat. Refer to the followingfigures.

Figure 7. Chilled water sensible cooling unit


18 VAV-SVX08P-EN

Figure 8. Chilled water sensible cooling unit with hotwater coil

Figure 9. Chilled water sensible cooling unit withelectric heat

The function of the Trane chilled water sensible coolingterminal units is a little different than traditional VAV

Terminal Units. These terminal units are part of assyysstteemm that uses a dedicated outdoor-air unit todistribute outdoor air to an air valve on each terminalunit to meet the ventilation requirements of the zone.Each terminal unit is also equipped with a cooling coilmounted on the plenum inlet. Recirculated air from theplenum (or directly from the occupied space) is drawnin through this cooling coil by the local fan. This cooledair is then mixed with the conditioned (cooled,dehumidified, heated, or humidified) outdoor air fromthe dedicated OA unit, and distributed through thedownstream ductwork to the zone.

In most applications, the water supplied to this localcooling coil is controlled to a temperature above thedew point in the zone. This avoids moisture in the airfrom condensing on the coil, so it operates dry andprovides only sensible cooling. All thedehumidification must then be provided by thededicated outdoor-air unit. Trane chilled water sensiblecooling terminal units are built with a drip pan locatedbeneath the cooling coil, with a moisture sensorinstalled in it, to detect and prevent any moisture fromgetting on the ceiling beneath the units or into theoccupied space below. These terminal units can beconfigured with either a hot water coil or electric heatermounted at the unit discharge.


VAV-SVX08P-EN 19

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Due to their weight, the VAV terminal units should besuspended from the uppermost ceiling, independent ofthe false ceiling grid. In fact, VAV terminal units areprimarily designed for installation in the plenum spacebetween the upper most ceiling and the false ceilinggrid below it. See “Weights,” p. 28 for unit weights.Suspension devices are to be supplied by the installer.Units must be installed level and upright. Failure tolevel the unit properly may prevent proper operation ofthe controls and/or terminal unit. Units are notdesigned to be installed vertically. Consequently, thiswill also void the U.L. ratings and any warranty on theunit.

Single-Duct VAV UnitsFigure 10. Single-duct hanging recommendations

Depending upon the size and weight of the single-ductunit, it may be capable of being supported by theductwork that is connected to it. No hanger bracketsare provided on these units since the unit should besupported by means of a hanger strap. The hangerstrap should be secured directly to the unit casing asshown above.

• For cooling only single-duct units or single-ductunits with hot water coil, the unit may be rotated180° for opposite side connections.

• For units with electric heat, the unit can be flippedto either RH or LH connection orientation if modelnumber digit 22 Electrical Connections = F.

Dual-Duct VAV UnitsDual-duct units should be supported by either hangerstraps or by using a threaded rod in conjunction withthe hanger brackets that are provided on the unit.

Figure 11. Dual-duct hanger bracket locations

AIRVALVE

AIRVALVE

COOLING HEATING

C

A

B

TOP VIEW

20 VAV-SVX08P-EN

Table 1. Dual duct VAV unit hanger locationdimensions

InletSize(in)

A B C

in mm in mm in mm

5 thru10

23.15 588 25.25 641 1.38 35

12 thru16

23.15 588 37.25 946 1.38 35

Fan-Powered VAV Units andChilled Water Sensible CoolingTerminal UnitsFan-powered (standard and low-height) and chilledwater sensible cooling terminal units should besupported by either hanger straps or by using athreaded rod in conjunction with the hanger bracketsthat are provided on the unit. Care should be exercisedto insure that the hanging straps do not block the sideaccess panel. Refer to the following figures.

Bracket Locations — Fan PoweredFigure 12. Parallel hanger bracket location sizes

BB

Primary Airow

Primary Airow

AirValve

AirValve

Flow Ring tubing

Flow Ring tubing

OPTIONAL SUPPRESSOR

OPTIONAL SUPPRESSOR

C

AirflowDischarge Outlet


Heater

Water Coil

Term

inal Box

A A

43.546(1106 mm)

D

Table 2. Parallel hanger bracket location dimensions

Fan SizeA B C D

in. mm in. mm in. mm in. mm

02SQ 26.75 679 38.95 989 28.95 735 37.10 942

03SQ, 04SQ, 05SQ 29.75 756 38.95 989 31.45 799 39.70 1008

06SQ 36.75 933 38.95 989 38.95 989 47.10 1196

UUnniitt IInnssttaallllaattiioonn

VAV-SVX08P-EN 21

Figure 13. Series hanger bracket locations

Flow Ring tubing

Flow Ring tubing

OPTI

ONAL

SUPP

RESS

OR

OPTI

ONAL

SUPP

RESS

OR

AirValve

AirValve

Water CoilElectric Heater

A

B

G

F

1.625”(41 mm)

A

1.625”(41 mm)

B

H

Table 3. Series hanger bracket location dimensions

Fan SizeA B

in. mm in. mm

02SQ 18.75 476 41.2 1041

03SQ, 04SQ 20.75 527 41.2 1041

05SQ 26.75 679 41.2 1041

06SQ, 07SQ 27.25 692 41.2 1041

Table 4. Series hanger bracket location dimensions — electric heat only

Fan SizeF G H

in. mm in. mm in. mm

02SQ 20.13 511 53.75 1365 19.0 483

03SQ, 04SQ 23.88 606 59.75 1517 19.0 483

05SQ 28.97 736 59.75 1517 19.0 483

06SQ, 07SQ 29.88 759 58.25 1479 17.5 445


22 VAV-SVX08P-EN

Figure 14. Low-height parallel DS02/PS02

39.1[993]

39.1[993]

39.1[993]

39.1[993]

39.1[993]

37.9[963]

34.3[871]

34.3[871]

34.3[871]

34.3[871]

0.8[20]

56.3[1430]

34.3[871]

Primary Airflow

Primary Airflow

Water Coil

Optional ElectricHetaer

Airflow PlenumInlet

Primary Airflow

Airflow PlenumInlet

Airflow PlenumInlet

Airflow DischargeOutlet




VAV-SVX08P-EN 23

Figure 15. Low-height series DS02/PS02/DS03 w/hot water or electric heat

32.3[821]

41.2[1047]

2.0[51]

41.2[1047]

32.3[821]

61.2[1555]

Primary Airflow

Airflow PlenumInlet


Primary Airflow

Airflow PlenumInlet


Optional ElectricHeater

Water Coil


24 VAV-SVX08P-EN

Bracket LocationsChilled Water Sensible Cooling TerminalUnitsFigure 16. Bracket locations — cooling only unit, andunit with hot water coil

41,2 [1045]

27,0 [685]

Primary Airflow

AirflowPlenum Inlet

AirflowDischarge

Outlet

Hot Water Coil(not present on cooling-only units)

Figure 17. Bracket locations — electric heat unit

24,9 [631]

61,2 [1553]

2,1 [53]

Primary Airflow

AirflowPlenum Inlet

AirflowDischarge

Outlet

41,2[1045]

Duct ConnectionsAll VariTrane™ units should be provided with aminimum of 1.5-duct diameters of straight duct prior tothe inlet of the unit. It is recommended that at least 48inches of straight duct be provided from the dischargeof the units prior to any take-offs or transitions.

IImmppoorrttaanntt:: This is a requirement for electric heat fan-powered units used in applications with100% downward discharge.

In order to maintain good air distributionover the elements and not createturbulence which could cause a limit cutoutthere should be four feet of ductwork,consistent of the discharge dimensions ofthe heater. downstream of the reheat coilprior to any diffuser takeoffs forVariTrane™ electric coils.

1. After all connections are made, check that the entireductwork system is airtight. In some high-pressuresystems, duct sealer may be necessary.

NNoottee:: All inlet duct on the VAV boxes are sizedapproximately 0.125 inches smaller indiameter than the nominal size in order toallow the incoming duct to slide over the inletof the VAV box.

2. Provide insulation around the entire inlet collar (allthe way to the unit casing).

NNoottee:: Use caution not to damage the flow tubeswhen making ductwork connections orinsulating.

3. Cut slits in the insulation for the flow tubes andsecure with duct tape.

4. If the unit is to be installed in a location with highhumidity, external insulation around the heatingcoil should be installed as required.

Water Coil ConnectionsNNootteess:: The following coils have 0.375 inches OD water

coil piping connections.

• Single Duct 1-row coils (inlet sizes 05, 05, 06,08 or 10 only)

• Low Height Parallel Inlet 1-row

• Low Height Parallel Discharge 1-row

All others require a 0.875 inches OD water coilpiping connections.

1. If necessary, you can change the coil connectionfrom left-handed to right-handed (and vice-versa)by disconnecting the coil from the unit and rotatingthe coil like a steering wheel 180°.

NNoottee:: The exception is that the coil connectioncannot be changed on parallel fan poweredunit with hot water coil on plenum inlet.

2. Use port at the bottom for inlet and top for outlet on


VAV-SVX08P-EN 25

single row coils. For multi-row coils, always plumbin counter flow orientation.

• Water inlet is always on the airflow downstreamside of the hot water coil.

• Water outlet is always on the upstream side ofthe hot water coil.

3. Care should be taken to properly support the watercoil piping connections while connecting theadjoining pipe.

4. It is recommended that piping to the water coilshould be done after field-mounted controls,external insulation, and ductwork connections havebeen completed.

IImmppoorrttaanntt:: Do not connect water valve or pipeextensions to the water coil connectionsunless supported.

Discharge Duct TemperatureSensor InstallationNNoottee:: TThhiiss pprroocceessss iiss ttoo bbee uusseedd ffoorr ccoonnttrrooll

sseeqquueenncceess tthhaatt iinnvvoollvvee DDiisscchhaarrggee AAiirrTTeemmppeerraattuurree ((DDAATT)) ccoonnttrrooll..

Several Tracer® UC210/UC400 control sequencesperform direct DAT control of the VAV unit when bothmodulating unit heat and modulating ECM fan arepresent or when modulating unit heat is present on anon-fan-powered VAV unit. Supported modulating unitheat options include proportional hot-water and SCR-controlled electric heat. In these Tracer® UC210/UC400control sequences, the DAT is a control input to the unitcontroller.

IImmppoorrttaanntt:: To ensure good control of the DAT andoverall level of heat being supplied to thezone, it’s critical to locate the DAT sensor ina location in the downstream ductwork thatis not too close to the heating water orelectric coils.

1. Locate mounting location for DAT sensor aminimum of 1.5 equivalent duct diametersdownstream of the heating coils and midwaybetween top and bottom on the side of theductwork.

2. Mount the DAT sensor using the instructionsprovided at the end of this manual.

3. If not already factory wired to unit controller, wireDAT sensor to unit controller using unit schematic.

Electronic Duct TemperatureSensor InstallationVisually inspect the sensor unit and harness fordamage. Return damage or defective products.

Tools required for installation:

• Cutter to release zip tie

• DVM (Digital Volt ohm Meter)

• Appropriate screw driver for mounting screws

• Appropriate drill and drill bit for mounting screws

NNootteess::

• Installer must be a qualified, experiencedtechnician.

• Cut loose harness, verify location.

• Avoid location where excessive vibration,moisture, corrosive fumes or vapors arepresent.

1. Determine the sensor mounting location on theduct. The sensing element is located within 1 inch(25mm) of the end of the sensing probe, and itshould be located in the air stream typical of thetemperature requiring sensing.

2. Use the mounting plate supplied as a template (orrefer to Figure 18, p. 25 for duct mountingdimensions) for mounting hole location.

Figure 18. Mounting dimensions

3. Mount the sensor to the duct using (2) #8–1/6 x 1/2–in sheet metal screws.


26 VAV-SVX08P-EN

Chilled Water Sensible CoolingTerminal Units Moisture SensorInstallationIn most applications, the water supplied to this localcooling coil is controlled to a temperature above thedew point in the zone. This avoids moisture in the airfrom condensing on the coil, so it operates dry andprovides only sensible cooling. All dehumidificationmust then be provided by the dedicated outdoor-airunit. Trane chilled water sensible cooling terminal unitsare built with a drip pan located beneath and above thecooling coil, with a moisture sensor installed, to detectand prevent any moisture from getting on the ceilingbeneath the units or into the occupied space below.Sensible cooling units are designed so that the unit canbe flipped 180 degrees for right and left handorientation. They are configured as left hand from thefactory with a moisture sensor installed to a bracket onthe bottom of the drip pan. If installed as a right handunit the moisture sensor will need to be moved to thebracket provided (shown in the following figure) so thatthe moisture sensor is on the bottom of the unit forproper moisture detection.

Figure 19. Moisture sensor installation and additionalbracket shown in cooling coil drip pan

Unit Accessibility• Single-duct and dual-duct units provided with hot

water reheat have an access panel located on the

side of the water coil. All other single-duct and dual-duct units are provided without access, as allfunctioning components are external to the unit.

• Fan-powered terminals are provided with a slidingside access.

• Low-height terminal units have a removablebottom panel.

ClearancesFor proper service, it is recommended that at least 3inches” of side clearance be provided to service andaccess single-duct and dual-duct terminals units.

• Fan-powered VAV units have a plenum inlet thatmust be clear of obstructions. Allow at least 36inches of clearance in front of the side access andplenum opening.

• Low-height fan-powered terminals require thesame plenum clearance requirement that applies tothe standard fan-powered units. However theaccess to the internal components is located on thebottom of the unit.

• Fan-powered VAV units with Suppressor attenuatorrequires at least 4.5 inches (6 inches preferred)clearance above the plenum opening.

• Fan-powered VAV units with Thinline Suppressorattenuator requires at least 4.5 inches (6 inchespreferred) clearance at plenum openings.

It is also recommended that 6 inches of clearance beprovided to the top and bottom of all the units.

NNoottee:: The minimum clearance for controls and heatercontrols should be 36 inches for all modelsexcept units with 575-volt electric heaters, whichrequire 48 inches of clearance. NEC™ and/orlocal codes override all clearance requirements.

Mounting ActuatorIImmppoorrttaanntt:: When installing or replacing the actuator

tighten the actuator set screw per themanufacturer’s instructions. Failure tofollow the manufacturer’s specificationsmay result in unit malfunction.

Trane offers a factory-mounted actuator with a 90-second drive time. The actuator drives 1° per second. Afield-installed actuator may be used if desired. Theactuator shaft has a 0.5 inch diameter and is designedto travel clockwise to close the damper and counter-clockwise to open the damper. There is an indicator onthe end of the actuator shaft that can be used todetermine the position of the damper.

Stand-alone UnitsStand-alone UCM 4.2When there is no communication to the UCM controland the unit is in the stand-alone mode the control


VAV-SVX08P-EN 27

action is determined by the auxiliary temperaturesensor located on TB3-5 and TB3-6 terminals on theUCM board. In order for the auxiliary sensor todetermine the control action (heat, cool) it must belocated in the supply duct, upstream of the VAV unit.The auxiliary temperature is then compared to the zonetemperature. If the supply air temperature is 10degrees above the zone temperature, then the controlaction will be heat. If the supply air temperature is lessthan or equal to the zone temperature, then the controlaction will be cool. If the supply air temperature isbetween the zone temperature and the zonetemperature + 10ºF (5.5°C) [zone temperature < supplyair temperature < zone temperature + 10ºF] (5.5°C), thecontrol action remains the same and the UCM controlsto the minimum flow set point. If an auxiliary sensor isnot installed the UCM will retain the last control actionin effect.

Stand-alone VV550 LonTalk ControlWhen there is no communication to the VV550 controland the unit is in the stand-alone mode the controlaction is determined by the auxiliary temperaturesensor located on TB3-5 and TB3-6 terminals on theVV550 board. The control must also be configuredthrough the Inputs Tab of Analog Input 4 as PrimarySupply Air Sensor. In order for the auxiliary sensor todetermine the control action (heat, cool) it must belocated in the supply duct, upstream of the VAV unit.The auxiliary temperature is then compared to the zonetemperature. If the supply air temperature is 10degrees above the zone temperature, then the controlaction will be heat. If the supply air temperature is lessthan or equal to the zone temperature, then the controlaction will be cool. If the supply air temperature isbetween the zone temperature and the zonetemperature + 10ºF (5.5°C) [zone temperature < supplyair temperature < zone temperature + 10ºF] (5.5°C), thecontrol action remains the same and the UCM controlsto the minimum flow set point. If an auxiliary sensor isnot installed the UCM will retain the last control actionin effect.

Stand-alone UC400When there is no communication to the UC400 controland the unit is in the stand-alone mode the controlaction is determined by the auxiliary temperaturesensor located on AI5 terminals on the UC400 control.This input may have to be changed from AI4 (DischargeAir Input) as wired from the factory. In order for theauxiliary temperature sensor to determine the controlaction (heat, cool) it must be located in the supply duct,upstream of the VAV unit. The auxiliary temperature isthen compared to the zone temperature. If the supplyair temperature is 10°F above the zone temperature,then the control action will be heat. If the supply airtemperature is less than or equal to the zonetemperature, then the control action will be cool. If thesupply air temperature is between the zone

temperature and the zone temperature +10°F (5.5°C)[zone temperature < supply air temperature < zonetemperature +10°F] (5.5°C), the control action remainsthe same and the UC400 controls to the minimum flowset point. If an auxiliary sensor is not installed theUC400 will retain the last control action in effect.

Stand-alone UC210When there is no communication to the UC210 controland the unit is in the stand-alone mode the controlaction is determined by the auxiliary temperaturesensor located on AI3 terminals on the UC210 control.From the factory, this input is configured for dischargeair temperature and needs to be field reconfigured assupply air temperature using Tracer® TU. In order forthe auxiliary temperature sensor that is configured forsupply air temperature to determine the control action(heat, cool) it must be located in the supply duct,upstream of the VAV unit. The supply air temperatureis then compared to the zone temperature. If the supplyair temperature is 10°F above the zone temperature,then the control action will be heat. If the supply airtemperature is less than or equal to the zonetemperature, then the control action will be cool. If thesupply air temperature is between the zonetemperature and the zone temperature +10°F (5.5°C)[zone temperature < supply air temperature < zonetemperature +10°F] (5.5°C), the control action remainsthe same and the UC210 controls to the minimum flowset point. If an auxiliary temperature sensor is notinstalled and configured for supply air temperature, theUC210 will retain the last control action in effect.

Bottom AccessAn optional bottom access can be provided in thecasing of fan powered series or parallel terminal unit.

The 22-gauge door is lined with 1 inch, 26-gauge, dualwall insulation and thermal lined with 1 inch – 1 lb.density fiberglass insulation with a 3.85 R-value.

Each door includes 1 to 6 cam locks that are used tosecure the door to the casing.

The cam lock engages a metal encapsulated frame onthe unit that encloses the unit insulation to prevent airerosion.

The cam lock engagements are interlocked using a flathead screwdriver. Once unlocked, the entire doorassembly can be removed for access.

Figure 20. Bottom access


28 VAV-SVX08P-EN

WeightsTable 5. Single-duct units — lb/kg

UnitSize

SingleWall Dual Wall

VCCF VCEF

VCWF

VCCF VCEF

VCWF

1–Row 2–Row 3–Row 4–Row 1–Row 2–Row 3–Row 4–Row

4568

16/716/716/716/7

38/1738/1738/1738/17

21/1021/1021/1021/10

22/1022/1022/1024/11

23/1123/1122/1024/11

24/1124/1124/1126/12

19/919/919/920/9

48/2248/2248/2249/22

24/1124/1124/1125/11

25/1125/1125/1128/13

26/1226/1225/1128/13

27/1227/1227/1230/14

1012141624

22/1027/1232/1535/1652/24

46/2152/2460/2769/3184/38

29/1337/1744/2049/2270/32

32/1540/1848/2254/2477/35

32/1541/1951/2356/2576/35

36/1645/2055/2561/2882/37

27/1234/1541/1946/2163/29

60/2768/3180/3691/41106/48

34/1543/2053/2460/2781/37

37/1747/2157/2665/2988/40

37/1748/2260/2767/3087/40

41/1952/2464/2972/3393/42

Table 6. Dual-duct units — lb/kg

Unit Size VDDF VDDFw/Dual Wall

0505050606060508

54/2454/2454/2455/25

68/3168/3168/3168/31

0608051008080610

55/2556/2556/2556/25

69/3169/3170/3270/32

0810101006120812

57/2661/2857/2658/26

70/3274/3470/3271/32

1012121208141014

59/2760/2778/3579/36

72/3384/38102/46103/47

1214141408161016

80/3681/3779/3680/36

104/47105/48103/47104/47

121614161616

81/3782/3783/38

105/48105/48106/48

Table 7. Parallel fan-powered units — lb/kg


VPxFSuppressorUnit Size VPCF VPEF

VPWF

VPCF VPEF

VPWF

1–Row 2–Row 1–Row 2–Row

0502SQ0602SQ0603SQ0802SQ

81/3780/3683/3881/37

110/550109/49112/51110/50

92/4291/41105/4892/42

95/4394/43108/4995/43

115/52114/52117/53115/52

144/65143/65146/66144/65

126/57125/57139/63126/57

129/59128/58142/64129/59

15.5/7.015.5/7.016.5/7.515.5/7.0

0803SQ0804SQ1002SQ1003SQ

83/3884/3882/3784/38

112/51113/51111/50113/51

105/48106/4893/42106/48

108/49109/4996/44109/49

117/53118/54116/53118/54

146/66147/67145/66147/67

139/63140/64127/58140/64

142/64143/65130/59143/65

16.5/7.516.5/7.515.5/7.016.5/7.5


VAV-SVX08P-EN 29

Table 7. Parallel fan-powered units — lb/kg (continued)


VPxFSuppressorUnit Size VPCF VPEF

VPWF

VPCF VPEF

VPWF


1004SQ1005SQ1006SQ1007SQ

85/3998/44114/52122/55

114/52128/58144/65152/69

107/49120/54127/58135/61

110/50123/56130/59138/63

119/54132/60148/67156/71

148/67162/73178/81186/84

141/64154/70161/73169/77

144/65157/71164/74172/78

16.5/7.516.5/7.520.5/9.320.5/9.3

1203SQ1204SQ1205SQ1206SQ

85/3986/3999/45115/52

114/52115/52129/59145/66

107/49108/49121/55128/58

110/50111/50124/56131/59

119/54120/54133/60149/68

148/67149/68163/74179/81

141/64142/64155/70162/73

144/65145/66158/72165/75

16.5/7.516.5/7.515.5/7.020.5/9.3

1207SQ1404SQ1405SQ1406SQ

123/5687/39100/45116/53

153/69116/53130/59146/66

136/62109/49122/55129/59

139/63112/51125/57132/60

157/71121/55134/61150/68

187/85150/68164/74180/82

170/77143/65156/71163/74

173/78146/66159/72166/75

20.5/9.316.5/7.516.5/7.520.5/9.3

1407SQ1606SQ1607SQ

124/56117/53125/57

154/70147/67155/70

137/62130/59138/63

140/64133/60141/64

158/72151/68159/72

188/85181/82189/86

171/78164/74172/78

174/79167/76175/79

20.5/9.320.5/9.320.5/9.3

Table 8. Series fan–powered units — lb/kg

Unit Size


VSxFSuppressorVSCF VSEF

VSWF

VSCF VSEF

VSWF


0402SQ0502SQ0602SQ0603SQ0604SQ

78/3578/3577/3576/3487/39

104/47104/47103/47105/48116/53

85/3985/3984/3888/4099/45

87/3987/3986/3992/42103/47

93/4293/4292/42100/45111/50

119/54119/54118/54129/59140/64

100/45100/4599/45112/51123/56

102/46102/46101/46116/53127/58

11.0/5.011.0/5.011.0/5.016.5/7.516.5/7.5

0802SQ0803SQ0804SQ1002SQ1003SQ

79/3677/3588/4081/3780/36

105/48106/48117/53107/49109/49

86/3989/40100/4588/4092/42

88/4093/42104/4790/4196/44

94/43101/46112/5196/44104/47

120/54130/59141/64122/55133/60

101/46113/51124/56103/47116/53

103/47117/53128/58105/48120/54

11.0/5.016.5/7.516.5/7.511.0/5.016.5/7.5

1004SQ1005SQ1006SQ1007SQ1203SQ

91/4192/42104/47117/5382/37

120/54121/55135/61148/67111/50

103/47104/47119/54132/6094/43

107/49108/49124/56137/6298/44

115/52116/53133/60146/66106/48

144/65145/66164/74177/80135/61

127/58128/58148/67161/73118/54

131/59132/60153/69166/75122/55

16.5/7.516.5/7.522.5/10.222.5/10.216.5/7.5

1204SQ1205SQ1206SQ1207SQ1404SQ

92/4294/43105/48118/5493/42

121/55123/56136/62149/68122/55

104/47106/48120/54133/60105/48

108/49110/50125/57138/63109/49

116/53118/54134/61147/67117/53

145/66147/67165/75178/81146/66

128/58130/59149/68162/73129/59

132/60134/61154/70167/76133/60

16.5/7.516.5/7.522.5/10.222.5/10.216.5/7.5

1405SQ1406SQ1407SQ1606SQ1607SQ

96/44106/48119/54107/49120/54

125/57137/62150/68138/63151/68

108/49121/55134/61122/55135/61

112/51126/57139/63127/58140/64

120/54135/61148/67136/62149/68

149/68166/75179/81167/76180/82

132/60150/68163/74151/68164/74

136/62155/70168/76156/71169/77

16.5/7.522.5/10.222.5/10.222.5/10.222.5/10.2


30 VAV-SVX08P-EN

Table 9. Low height parallel units — lb/kg

Unit Size


LPxF AttenuatorLPCF LPEF

LPWF

LPCF LPEF

LPWF


05DS0205PS0206DS0206PS02

90/4193/4290/4192/42

109/49110/50108/49110/50

97/4499/4596/4398/44

99/45101/4696/43100/45

114/51116/52113/51115/52

132/60133/60131/59133/60

120/54122/55119/54121/55

122/55124/56121/55123/56

14/614/614/614/6

08DS0208PS0214RTDS0214RTPS02

91/4193/42109/49111/50

109/49110/50121/55123/56

97/4499/45109/49111/50

99/45101/46111/50113/51

114/51116/52132/60134/61

132/60133/60144/65146/66

120/54122/55132/60134/61

122/55124/56134/61136/61

14/614/614/614/6

Table 10. Low–height series units — lb/kg

Unit Size


LSxF AttenuatorLSCF LSEF

LSWF

LSCF LSEF

LSWF


04DS0204PS0205DS0205PS02

89/4191/4289/4191/42

107/49108/49107/49108/49

95/4397/4495/4397/44

97/4499/4597/4499/45

112/51114/52112/51114/52

130/59131/60130/59131/60

118/54120/55118/54120/55

120/55122/55120/55122/55

14/614/614/614/6

06DS0206PS0206DS0308DS02

88/4090/4194/4389/41

106/48108/49112/51107/49

94/4396/44100/4595/43

96/4498/45104/4797/44

111/50113/51117/53112/51

129/59131/60135/61130/59

117/53119/54123/56118/54

119/54121/55127/58120/55

14/614/614/614/6

08PS0208DS0310DS03

91/4295/4397/44

108/49113/51115/52

97/44101/46103/47

99/45105/48107/49

114/52118/54120/55

131/60136/62138/63

120/55124/56126/57

122/55128/58130/59

14/614/614/6

14RTDS0214RTPS0214RTDS03

107/49109/50100/45

119/54121/55118/54

107/49109/50106/48

109/50111/50110/50

130/59132/60122/55

142/65144/65140/64

130/59132/60128/58

132/60134/61132/60

14/614/614/6

Table 11. Chilled water sensible coil terminal units — lb/kg

Unit Size


LDCF LDEF

LDWF

LDCF LDEF

LDWF


DS01 117/53 135/61 123/56 126/57 136/62 154/70 142/64 146/66

DS02 125/57 143/65 131/59 135/61 148/67 166/75 154/70 158/72


VAV-SVX08P-EN 31

Unit SetupFigure 21. Flow sensor ΔP vs. airflow delivery

0.01

0.1

1

10

10 100 1,000 10,000

Airflow (CFM)

Flow

Sen

sor

Diffe

rential Pr

essu

re (

inch

es w

ate

r)

4”6” 8"

5”10" 12" 14" 16"

8" x 12"

16" x 24"

Fan Motor AmperageReference unit submittal data and motor nameplate.

Adjusting the SCR Motor SpeedControlIn order to make units more convenient and efficient tobalance, an SCR (silicone control rectifier) is providedas standard on all fan-powered units.

The SCR is located on the side of the fan control box.To adjust the speed of the motor, the external knobmust be rotated either clockwise or counterclockwisedepending on the desired speed adjustment.

There is an internal potentiometer setting on the SCRcontroller that can be accessed by removing the controlbox cover. This internal potentiometer is set at thefactory to the specific motor voltage.

It may be necessary to adjust this in the fielddepending on the building power factor.

32 VAV-SVX08P-EN

Figure 22. SCR (top) and internal potentiometer(bottom)

DO NOT SET THISPOTENTIOMETERBELOW THE VOLTAGEOF THE FAN MOTOR.

Max

208 v–277 v

347 v

120 v

NNoottee:: Do not set this potentiometer below the voltageof the fan motor.

Electrically Commutated Motor(ECM)Figure 23. ECM control board

Trane offers an energy efficient ECM motor as a motoroption. The optional Tracer® UC210 and UC400 unitcontrollers directly interface with the ECM to controlfan airflow and to do fan on/off control. With other unitcontrol options, the ECM Control Board is used to setthe fan airflow set point while the unit controller doesfan on/off control via a binary output. The following

tables provide a mapping from fan percent-on settingto fan airflow in CFM for each fan type and size. Otherfan settings can be determined either by interpolatingfrom these tables or by using the following equation:

• CFMsetting = CFMmin + {(Potentiometer Setting) x[(CFMmax - CFMmin)/100]}

There is an LED on the ECM control board, which willblink one time for every 100 CFM of motor setting. Forexample, the LED on a unit set for 790 CFM will blinkseven (7) times. The LED on a unit set for 800 CFM willblink 8 times.

NNoottee:: This feature only verifies that the CFM is setproperly. This feature does not indicate at whatspeed the motor is actually running.

The ECM must be load tested. In other words, the fanmust be connected to properly test the ECM. Analternate fan-interface board is available with less-controls and factory-mount-of-third-party-unit-controlsoptions that allows for fan modulation and fan on/offcontrol via the unit controller.

Table 12. VPxF 03SQ ECM CFM

Motor Min CFM: 160Motor Max CFM: 1085

CFM L/sec % Setting

160170179188198

7680848993

12345

207216226235244

98102107111115

678910

254263272282291

120124129133137

1112131415

300310319328338

142146151155159

1617181920

347356366375385

164168173177181

2122232425

394403413422431

186190195199204

2627282930

441450459469478

208212217221226

3132333435

UUnniitt SSeettuupp

VAV-SVX08P-EN 33

Table 12. VPxF 03SQ ECM CFM (continued)


CFM L/sec %Setting

487497506515525

230234239243248

3637383940

534543553562571

252256261265270

4142434445

581590599609618

274278283287292

4647484950

627637646655665

296300305309314

5152535455

674683693702711

318323327331336

5657585960

721730739749758

340345349353358

6162636465

767777786795805

362367371375380

6667686970

814823833842852

384389393397402

7172737475

861870880889898

406411415419424

7677787980

908917926936945

428433437442446

8182838485

954964973982992

450455459464468

8687888990

10011010102010291038

472477481486490

9192939495



CFM L/sec % Setting

10481057106610761085

494499503508512

96979899100

Table 13. VPxF 04SQ ECM CFM


CFM L/sec % Setting

220233246259272

104110116122128

12345

285298311324337

135141147153159

678910

350363376389402

165171178184190

1112131415

415429442455468

196202208215221

1617181920

481494507520533

227233239245251

2122232425

546559572585598

258264270276282

2627282930

611624637650663

288294301307313

3132333435

676689702715728

319325331338344

3637383940

741754767780793

350356362368374

4142434445

UUnniitt SSeettuupp

34 VAV-SVX08P-EN


Motor Min CFM: 220Moto

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