Switchback Compressor Controls
Between P1,1 and P1,2 one of three compres-
sor controls may be found for switchback
operation. These controls take over compres-
sor run functions of the EPC in case of EPC
failure. The rack will continue to operate less
e ff i c i e n t l y, until the EPC is brought back on
line.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 • Printed in USA
ELECTRICAL Revised August 1, 1996
4 - 16
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