Building Rehabilitation Conference Portal
Transcript of Building Rehabilitation Conference Portal
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Elevator Rehabilitation
The Way to
Proprietary information, OtisElevator Company(H.K.) Ltd
Safety & Green
Otis Elevator Company
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SikorskyHamilton
Sundstrand
Carrier
United Technologies Corporation (UTC)
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Otis
UTC
Power
UTC Fire &
Security
Pratt
&
Whitney
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CustomerNeeds
Why Elevator Rehabilitation
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PerceivedPerformance
mRehabilitationRehabilitation
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HK Code Evolution
No. of liftsinstalled in Hong K ong
Design Code(1993Version)
DesignCode(2000Version)
Design Code
Amendments
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19581984
19942000 Year
BS2655
BS5655
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Rehabilitation Needs SPACEConcept
Safety Performance Aesthetics Comfort Reliability EnergySavings
Machine/ Motor
Group Control
Drive System
Controller
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Door Operator
Buttons/ Indicators
Cab Interiors
Safety/ Statutory
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Energy Efficiency Rehabilitation contributesto reducebuildingenergyconsumption
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Elevator energy consumption
is:
Elevator Energy Consumption
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Transportation
Energy needed tomovethecar and counterweight
Used bydriveandmachine
Controller powersupply
Permanentcontrollerconsumption
Controllersarein stand-bymodeif elevatorsarenotused (14h/day)
Hall Buttons
Car lighting
Only if theelevatorsismoving
Only if passengersusethecar
Otherwiseuseof standby
mode
Door operation
Energy neededtoopen/closedoors
Usedby door operatorwithVF motors
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Innovations
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Steel
cables
Polyurethane
Flat Belts
coa ngn -corros on
No rope or belt twist
longer expected lifetime
Improved traction
No metal to metal contact
No lubrication needed
Chemically resistant
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Pulse System
Monitors variations in electrical resistance
Alert to cable wear and breakage
Diode indication
Otis Line = Pulse + REM = remote monitoring
Safety and reliability11
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Compact
diameter
Compact Sheaves
Sealed bearings lubricated
for life
contact:
Good
pressure
distribution
Longevity and relaibility12
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2:1 Roping
Gearless
machine
Belttermination
Belttermination
Lower machinepower
Car topsheave
sheave
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Integrated sheaveand machine shaft
Compact Gearless Machine
Disk
brake
Synchronous
permanent
magnet
motor
Robust and reliable14
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Reduced
Green Hoistway
2:1 RopingFlat beltCompactmachine
sheave
Lowerenergy
consumption
Higher return onenergy usage
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Environmentally friendly machine:
Sealed bearings lubricated for life
Flat belts with no need for lubrication
Respecting our environment
Benefits
Economical control system:
Lower electricity consumption
Lower installation power
Standby operation
Filtered against electromagnetic interference
Gearless with low inertia: high efficiency
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Quiet operation:
Flat belts:
2 to 3 times longer life compared to
conventional ropes
PulseSystemTM :
Monitors belt condition 24
hours a day, 7 days a week
polyurethane to metal
Gearless machine:
Much longer installation life compared to
conventional systems
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Drives
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Counterweight helps themachineto moveelevators car
ReGen drives
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50% loaded elevator car Elevator counterweight
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