APT air cooled chillers are built on an open frame and include a remote air-cooled condenser. Other features include:

REFRIGERANT CIRCUIT (per zone):
• Hermetic scroll compressor on
  5-30 ton single zone models
  20-60 ton dual zone models
  90-105 ton triple zone models
• Semi-hermetic discus compressor on
  35-60 ton single zone models
  70-120 ton dual zone models
  120-180 ton triple zone models
• Compressor suction service valve
• Compressor discharge service valve
• Brazed plate evaporator on
  5-40 ton single zone models
  20-80 ton dual zone models
  90-120ton triple zone models
• Shell and tube evaporator on
  50-60 ton single zone models
  100-120 ton dual zone models
  150-180 ton triple zone models
• Remote air-cooled condenser
• Liquid receiver
• Oil separator
• Liquid line solenoid valve
• Refrigerant sight glass with
  moisture indicator
• Thermostatic expansion valve
• Capacity control via hot gas bypass
  on 5-40 ton single zone models
  20-80 ton dual zone models
  and 90-120 ton triple zone models
• Cylinder Unloading on 50-60 ton
  single zone models, 100-120 ton
  dual zone models and 150-180 ton
  triple zone models
• HCFC-22 refrigerant

LIMIT DEVICES per zone:
• Refrigerant high pressure
• Refrigerant low pressure
• Evaporator flow
• Instrument circuit fuse

PRESSURE GAUGES per zone:
• Refrigerant high Pressure
• Refrigerant low Pressure
• Coolant pressure

WARRANTY
• 1 year parts and labor

ELECTRICAL
• Fused transformer
• Nema rated electrical cabinet
• Power entry terminal block
• Fused compressor motor starter on
  dual and triple zone units

CHILLER CONTROL INSTRUMENT
Dual Zone Units Learn More about this instrument.

• Microprocessor based multizone
  controller
• Intelligent zone boards
• Compressors are staged individually
• Continuous To Process temperature
  display
• Continuous Setpoint temperature
  display
• Selectable from process
  temperature display
• Large temperature display windows
• °F or °C temperature display
• Refrigerant circuit indicators for
  Probe, Low Flow, High Pressure,
  Low Pressure, Compressor,
  Freezestat, Capacity Control
• Water circuit indicators for
  Temperature Deviations,
  Low Pressure, Tank Level, Probe,
  Phase
• Selectable lead - lag mode
• Soft Key Operators
• SPI communications
• Audible and visual alarm

CHILLER CONTROL INSTRUMENT
Single Zone Units

• Microprocessor based multizone
  controller
• Continuous To Process temperature
  display
• Continuous Setpoint temperature
  display
• Large temperature display windows
• °F or °C temperature display
• Selectable from process
  temperature display
• Machine indicators for Power On,
  Compressor, Bypass, Alarm,
  Reservoir Level, Freezestat,
  Refrigerant Circuit, and Low Flow
• Soft Key Operators
• SPI communications
• Audible and visual alarm

MORE INFORMATION
APT Central Chillers Modules

Pricing and Specifications

General Product Information

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Supporting Documents

Literature
PDF Document
Color, 2 Pages
File Size: 101 KB

Service Manual
PDF Document
Color, 94 pages
File Size: 736 KB
Registration required
to download.

Knowledge Base
PDF & HTML
Documents covering the selection, service & operation of central liquid chillers.

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