60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01
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14.7 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.
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.
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