RTWD chiller

Main features

• Low-speed, direct-drive semi-hermetic screw compressor featuring only 3 moving parts, suction-gas-cooled motor
• Trane Adaptive Frequency™ Drive (AFD)
• Fully modulating load control (15-100%)
• 4 different levels of efficiency:
  • SE: Standard Efficiency
  • HE: High Efficiency
  • XE: eXtra high Efficiency
  • HSE: High Seasonal Efficiency (With AFD)
• Control of the leaving condenser water temperature from CH530
• Maximum condenser temperature 63°C
• Compact physical footprint - fits through standard single-width door
• Bolt-together construction for easy unit disassembly
• Simplified piping - the only piping required is for the evaporator and condenser connections
• Single power connection - reduced wiring costs
• Factory-mounted star-delta starter panel

Customer benefits

High performance chiller based on:

• Falling film evaporator: higher performances with lower refrigerant charge
• State-of-the-art control to guarantee superior dependability and low cost of ownership
• Trane Adaptive Frequency™ Drive (AFD) for part load efficiency enhancement on HSE version

Range description

• RTWD : packaged chiller
• RTUD: condenserless chiller

Main options

• Low temperature cooling down to -8°C
• Ice making
• Three-pass evaporator
• Fused disconnect switch
• Circuit breaker
• Under/over voltage protection
• External water and current limiting setpoint
• Programmable relays
• Power meter
• Motor current analog output
• Sound reduction package
• Pressure gauges

Acessories

• Elastomeric isolators
• Couplings kits
• Flow switch

Tracer™ CH530 Control

Adaptive Control™ microprocessor-based control featuring:

• Easy-to-use operator interface
• Chilled water pump control

Control options:

• Control of the leaving condenser water temperature
• Programmable relays
• Reset of setpoints by analog signal
• Condenser refrigerant pressure output
• BACnet^TM, LonTalk^®, Modbus communication interfaces

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