Bitzer two stage compressor
Discharge and suction vibration eliminators
Discharge muffler
Encapsulated high pressure switch
Adjustable low pressure switch with superhose
Crankcase heater
Compressor contactor w/circuit breaker
Floating Tube™ coil design
Flooded head pressure controls
Pressure fan cycling (multiple fan units)
Oil separator - return line solenoid valve and time delay
Mechanical subcooler
Replaceable core liquid line filter drier
Replaceable core suction filter
Suction accumulator
Crankcase pressure regulator
Defrost timer
Evaporator fan contactor with fusing
Defrost heater contactor with fusing
Anti short cycle timer
Phase monitor
Pumpdown switch
EvaporatorThermo-Flex™ coil design
Thermostatic expansion valve factory installed
Liquid line solenoid valve factory installed
Low temperature motors
Double wall insulated drain pan
Adjustable defrost termination and fan delay
Bohn Two Stage Condensing Units & Systems Technical Bulletin, July 2009 ![]()