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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

Proprietary information, OtisElevator Company(H.K.) Ltd

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

Proprietary information, OtisElevator Company(H.K.) Ltd

Door Operator

Buttons/ Indicators

Cab Interiors

Safety/ Statutory

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Proprietary information, OtisElevator Company(H.K.) Ltd

Energy Efficiency Rehabilitation contributesto reducebuildingenergyconsumption

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Elevator energy consumption

is:

Elevator Energy Consumption

Proprietary information, OtisElevator Company(H.K.) Ltd

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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