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Sub-circuit fusing or service disconnect switches are not shown but may be required as per the NEC and / or local codes.
**
It is the responsibility of the installing contractor to interpret and comply with all applicable electrical codes.
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An air defrost time clock may be supplied as an option (either field installed or factory mounted on the system condensing unit).
The room thermostat and liquid line solenoid valve are shown as field installed but may be factory mounted in the unit cooler.
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Make sure the solenoid holding coil is wired for the correct control voltage (115 or 230).
FIELD WIRING DIAGRAMS — TYPICAL
AIR DEFROST — 115/1/60 OR 208/230/1/60 UNIT COOLER
IMPORTANT WIRING NOTES - INSTALLER PLEASE READ CAREFULLY!
ELECTRONIC ROOM THERMOSTAT WIRING OPTION
14
Be sure that room thermostat
*
power wiring matches the unit
cooler control voltage.
Wire across normally open
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(NO) thermostat contacts.
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