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After all electrical wiring is complete, set the thermostat system
switch in the OFF position so that the compressor will not run
and then apply power by closing the system main disconnect
switch. This will activate the compressor sump heat. Do not change
18
ELECTRICAL WIRING
the Thermostat System Switch until power has been applied long
enough to evaporate any liquid R-22 in the compressor. It is
recommended that the sump heater be energized for eight (8) hours
prior to starting.
YCZ-F FIELD WIRING DIAGRAM
Page 17
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