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A. P70 Single/Dual Control
B. PS2 Dual Control
III.
Low ambient condition kit (if applicable)
A.
The crankcase heater
The crankcase heater is installed at the bottom of the compressor and shall be
turned on all the time. The heater is self-regulated.
B.
The condenser fan control
The condenser fan control is installed at the high side. It closes on rise of
pressure. It is necessary to adjust the setting in the field to avoid fan short cycle.
Head pressure setting: Cut in=170 psig; Cut out=110 psig; Differential=60 psig;
Fig. 12 Adjustable Pressure Control
-22-
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