RLC-CMS002-E4© American Standard Companies, inc 2002 - All Rights Reserved Concentration of intelligence, High reliability. Series R TM

RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved

Concentration of intelligence,

High reliability.

Series RTM


RTAD Liquid Chillers

A concentrate of TRANETechnology

Based on experience fromthousands of references

In a very compact design


Complete and Large Range...4 versions from 260 to 480 kW

Standard

Highefficiency

LowNoise

Low Noise +High efficiency

2 Compressors - 2 refrigerant circuits


Wide application rangeYear round operation

StandardAmbient

LowAmbient

HighAmbient

WideAmbient

Ambient Air TemperatureWater Temperature


A Concentrate of TRANE Technology

AdvancedCoil

Technology

NewHelirotor

Compressor

Optimized OilSeparation

AdaptiveControl

CrenellatedBladesFans

ElectronicExpansion

Valve


A New Generation of Helirotor CompressorWorld ’s most reliable compressor

Unequaled reliability rate in theindustry

Over 300 000 helirotorscrew compressors built

Only 2 rotating parts: 15 timesfewer moving parts thanreciprocating compressors

Able to stand accidental liquidrefrigerant ingestion



Direct drive low speed - 3000 RPM

Specifically designed for R134a use

Rotor profile optimized

Suction gas cooled motor

Wye/Delta starter

No oil pump

Rolling element bearing sized for chillerlifecycle

Mounted on isolators



High capacity oil filter

One of the smallest oil chargeof the market

Only 5 to 11 liters per compressor


A New Generation of Helirotor CompressorExact load matching

% Full load capacity%

Fu

ll l

oa

d k

W I

np

ut

Step unloadingRTAD unloadingNeedlessly expended energy

Continuous capacity control

Improved control over waterand air temperature

Up to 5% savings on operatingcosts versus stepped control


No overhauling during compressorlife time

Direct drive, low-speed

Low motor operating temperatures

A New Generation of Helirotor CompressorLow maintenance


Oil SeparationOptimum heat exchange efficiency

Refrigerantand oil mix

Refrigerant

Oil

Maximizes oil separation: 99.5 %of oil separated from refrigerant

Positioning and piping designoptimized on acoustics andvibrations


Condenser designAdvanced coil technology

Specific fin profile to balance heattransfer, airflow and pressure drop

Integrated oil cooler and subcooler

Oil cooler

SubcoolerCondenser


Cranelled Blades FansBlade trailing edge treatment

New impeller blade trailingedge geometry

50% turbulence energy reduction

Higher airflow

Lower sound level

Controlledvortices

Reduction inpressure losses


Minimizes energy consumption atpart load

Allows operation at lower condensingpressure

Provides excellent stability &control accuracy

Fast response

No additional solenoid valve

Electronic Expansion ValveSuperior refrigerant flow control


Dry expansion evaporator

Internally finned copper tubesfor superior efficiency

Baffle system ensuringhomogeneous water temperature

EvaporatorHeavy duty design


Intelligent controlAdaptive Control TM Logic

Logic enables corrective actionsto keep chiller safely on-line

making cold water where otherchillers would trip off

Te

mp

era

ture

Time

Traditi

onal c

hiller

shut-o

ff

Trip point

Trane AdaptiveControlTM


Intelligent ControlModular Architecture

Local ClearLanguage

Display

ElectronicExpansion

Valve Control

MotorCompressor

Start &Protection

ChillerPlant

Manager

Inter ProcessorCommunicatio

nBuffer (Option)

CommunicationBoard and

Setpoint Reset (Option)

Remote ClearLanguage

Display(Option)

To BMS


Intelligent controlControl functions

Control & operation optimization: Chilled water temp. control Control of the fans Electronic expansion valve

Operating mode control: Compressor start/stop logic Load & unload logic of the compressors Low ambient start logic Fast load adjustment Start with warm water

Safety functions: Welded contacts Water flow Antifreeze Reverse rotation Phase unbalance ...


Chilled Water Auxiliarysetpoint (with CSR Card)Remote On/Off

chiller or per circuit

Alarm indication

Running indication

Watersetpoint

Unit at full load

Current Limitation setpoint (with CSR card)

Flexible controlRemote control capabilities

Ice making(with CSR card)

Air temp.Or

Evaporator T

AmpsCompressor Nominal Amps

Current limit

Time


Flexible controlUCM CLD

User-friendly display and keyboardon front panel

Easy reading of operating status

Direct access to module configurationmenus

2 lines of 40 characters

16 selection keys


Adapted EfficiencyCoefficient of Performance

Different levels of COP to serveeither comfort cooling or industrial

applications

COP at full load following Eurovent standards


Acoustical performanceReduced sound level

Compressor: more material mass ports resized

Piping: optimized design

Condenser fan: crenellated blades 915 or 680 RPM


InstallationSingle power supply

Compressor 1

Fans

Control

Compressor 2


InstallationTight Operational Clearances

Smaller Physical Footprint

+ Tight Operational Clearance

= Less Space used on Jobsite


MaintenanceLow maintenance

Recommended maintenance Cleaning condenser coils

as needed Control of the chilled water

circuit

Required maintenance Annual oil analysis to verify

system integrity


6th generation Helirotor compressor Hi-tech Fans

Trane Adaptive ControlTM Control logic COP adapted to application

RTAD: Concentration of intelligence,

High reliability.

Documents

RLC-CMS002-E4© American Standard Companies, inc 2002 - All Rights Reserved Concentration of intelligence, High reliability. Series R TM