Wiring Provision; Field Wiring; Required Field Wiring; Required Components - Westinghouse WPAXH-060CA4 Service Manual

R-410a; 220volts 60hz
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WESTINGHOUSE PACKAGE A/C MANUAL
R-410A : 220V: 60Hz

15.7 Wiring provision

Field wiring

The units are internally wired at the factory according to generally accepted electrical technology.

Required field wiring

Main power wiring to the unit control wiring between the control center and the unit, and earth wiring are
required in the field.
7.5 & 8.5 & 10 Ton
12.5 & 15 & 17.5 &20Ton
5Ton

Required components

The following components are required: main power fuse, conduit coupling, and field supplied room
thermostat.
Wire and fuse size selection for main power source.
The wire and fuse size should be selected in accordance with national standard, taking the designed
maximum current shall be the total of the compressor maximum current, condenser fan motor current and
evaporator fan motor current (refer to "electrical data").
Wire size between room thermostat and unit.
The wire size between the room thermostat and the unit should be determined according to the following
table, because the 24V power source is applied to the control circuit.
97

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