Head Cooling Fan
Low Temperature compres-
sors require a head cooling
fan. The fan is powered
between P1,5 and P2,5. Its
actual connections are in the
Compressor Terminal Box.
The fan continues to run
during Alarm Conditions.
Demand Cooling
Demand Cooling is powered
between P1,6 and P2,5. L1
and L2 are spliced into the
P1,6 and P2,5 circuits in the
Compressor Terminal Box.
The modules time delayed
safety is placed in front of the
High Pressure control. If
opened by sustained high
temperature, it will cause a
compressor alarm condition.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 • Printed in USA
ELECTRICAL Revised August 1, 1996
4 - 20
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