21
2) Use of the
encapsulated pressure control (if applicable)
Fixed suction pressure setting: Cut in = 32 psig; Cut out = 10 psig
Fig. 12 Fixed Pressure Control
3)
Low ambient condition kit (if applicable)
A.
Use of the condenser fan control
Head pressure setting: Cut in=170 psig; Cut out=110 psig; Differential=60 psig
It closes on rise of pressure. It may need to adjust the setting in the field to avoid
fan short cycle.
Fig. 13 Condenser Fan Cycle Control
B.
Use of the crankcase heater
The crankcase heater is installed around the lower part of the compressor and
shall be turned on all the time. The heater is self-regulated.
6. Refrigeration Piping and Leak Testing
NOTES:
