rtac product presentation · rlc-cms002-e4 © american standard companies, inc 2002 - all rights...
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RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Concentration of intelligence,
High reliability.
Series RTM
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
RTAD Liquid Chillers
A concentrate of TRANE
Technology
Based on experience from
thousands of references
In a very compact design
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Complete and Large Range...4 versions from 260 to 480 kW
Standard
High
efficiency
Low
Noise
Low Noise +
High efficiency
2 Compressors - 2 refrigerant circuits
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Wide application rangeYear round operation
Standard
Ambient
Low
Ambient
High
Ambient
Wide
Ambient
Ambient Air TemperatureWater Temperature
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
A Concentrate of TRANE Technology
Advanced
Coil
Technology
New
Helirotor
Compressor
Optimized Oil
Separation
Adaptive
Control
Crenellated
Blades
Fans
Electronic
Expansion
Valve
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
A New Generation of Helirotor CompressorWorld ’s most reliable compressor
Unequaled reliability rate in the
industry
Over 300 000 helirotor
screw compressors built
Only 2 rotating parts: 15 times
fewer moving parts than
reciprocating compressors
Able to stand accidental liquid
refrigerant ingestion
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
A New Generation of Helirotor CompressorWorld ’s most reliable compressor
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
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
A New Generation of Helirotor CompressorWorld ’s most reliable compressor
High capacity oil filter
One of the smallest oil charge
of the market
Only 5 to 11 liters per compressor
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
A New Generation of Helirotor CompressorExact load matching
% Full load capacity%
Fu
ll lo
ad
kW
In
pu
t
Step unloading
RTAD unloading
Needlessly expended energy
Continuous capacity control
Improved control over water
and air temperature
Up to 5% savings on operating
costs versus stepped control
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
No overhauling during compressor
life time
Direct drive, low-speed
Low motor operating temperatures
A New Generation of Helirotor CompressorLow maintenance
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Oil SeparationOptimum heat exchange efficiency
Refrigerant
and oil mix
Refrigerant
Oil
Maximizes oil separation: 99.5 %
of oil separated from refrigerant
Positioning and piping design
optimized on acoustics andvibrations
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Condenser designAdvanced coil technology
Specific fin profile to balance heat
transfer, airflow and pressure drop
Integrated oil cooler and subcooler
Oil cooler
SubcoolerCondenser
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Cranelled Blades FansBlade trailing edge treatment
New impeller blade trailing
edge geometry
50% turbulence energy reduction
Higher airflow
Lower sound level
Controlled
vortices
Reduction in
pressure losses
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Minimizes energy consumption at
part load
Allows operation at lower condensing
pressure
Provides excellent stability &
control accuracy
Fast response
No additional solenoid valve
Electronic Expansion ValveSuperior refrigerant flow control
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Dry expansion evaporator
Internally finned copper tubes
for superior efficiency
Baffle system ensuring
homogeneous water temperature
EvaporatorHeavy duty design
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Intelligent controlAdaptive Control TM Logic
Logic enables corrective actions
to keep chiller safely on-line
making cold water where other
chillers would trip off
Te
mp
era
ture
Time
Trip point
Trane Adaptive
ControlTM
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Intelligent ControlModular Architecture
Local Clear
LanguageDisplay
Electronic
Expansion Valve Control
Motor
CompressorStart &
Protection
Chiller
PlantManager
Inter Processor
CommunicationBuffer (Option)
Communication
Board and Setpoint Reset
(Option)
Remote Clear
LanguageDisplay(Option)
To BMS
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
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 ...
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Chilled Water Auxiliary
setpoint (with CSR Card)Remote On/Off
chiller or per circuit
Alarm indication
Running indication
Water
setpoint
Unit at full load
Current Limitation
setpoint (with CSR card)
Flexible controlRemote control capabilities
Ice making
(with CSR card)
Air temp.
Or
Evaporator T
Amps
Compressor Nominal Amps
Current limit
Time
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Flexible controlUCM CLD
User-friendly display and keyboard
on front panel
Easy reading of operating status
Direct access to module configuration
menus
2 lines of 40 characters
16 selection keys
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Adapted EfficiencyCoefficient of Performance
Different levels of COP to serve
either comfort cooling or industrial
applications
COP at full load following
Eurovent standards
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
Acoustical performanceReduced sound level
Compressor:
more material mass
ports resized
Piping: optimized design
Condenser fan:
crenellated blades
915 or 680 RPM
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
InstallationSingle power supply
Compressor 1
Fans
Control
Compressor 2
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
InstallationTight Operational Clearances
Smaller Physical Footprint
+ Tight Operational Clearance
= Less Space used on Jobsite
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
MaintenanceLow maintenance
Recommended maintenance
Cleaning condenser coils
as needed
Control of the chilled water
circuit
Required maintenance
Annual oil analysis to verify
system integrity
RLC-CMS002-E4 © American Standard Companies, inc 2002 - All Rights Reserved
6th generation Helirotor compressor
Hi-tech Fans
Trane Adaptive ControlTM Control logic
COP adapted to application
RTAD: Concentration of intelligence,
High reliability.