Heatcraft Refrigeration Products SWN0090H2B User Manual

• Pre-bent tubing reduces the possibility 

of leaks

• Spring mounted compressors with 

suction and discharge vibration 
eliminators (models 0499 and above)

• Fixed low pressure switch (adjustable on 

low temp models)

• Fixed high pressure switch
• Easy access refrigerant piping
• Pressure relief valve

Note: SWN pictured with optional replaceable 

core liquid filter, oil separator, replaceable 
core suction filter and liquid solenoid valve

• More spacious, pre-painted electrical box
• Pump down switch
• 230 volt control circuit transformer on 460 

volt models

• Semi-hermetic reciprocating compressors
• Captive door fasteners
• Single electrical connection location
• Shipped with dry nitrogen charge
• Heavy duty base plate
• Plastic conduit on all wiring runs
• Shell and tube, cleanable condenser
• Sealed liquid line filter drier with       

sight glass

• Removable electrical box from 

compressor access from the front