Supply Power Wiring
Electrical Connections
Refer to the unit nameplate to obtain the minimum circuit ampacity (MCA) and maximum fuse size (MFS) or maximum circuit breaker
(MCB) to properly size field supply wiring and fuses or circuit break- ers. See Figure 2 on page 6 to reference the nameplate location. Refer to the unit operating voltage listed on the unit wiring schematic, submittal, or nameplate. Reference the wiring schematic for specific wiring connections.
!WARNING: Hazardous voltage! Disconnect all electric power including remote disconnects before servicing. Failure to do so may cause severe personal injury or death.
Wiring diagrams are attached to the unit in a plastic bag and can be be easily removed for reference. Wiring schematics are attached as follows:
·Vertical cabinet & recessed units:
Schematics are on the inside of the front panel. See Figure 21.
·Vertical concealed & all horizontal units:
Locate schematics on the fan and motor panel of unit. See Figure 22.
!CAUTION: Use copper conductors only! Unit terminals are not designed to accept other types of conductors. Failure to do so may cause damage to the equipment.
Figure 21. Locate the wiring schematic on the inside of the front panel of vertical cabinet and recessed units.
Figure 22. Locate the wiring schematic on the fan and motor panel of vertical concealed and all horizontal units. (This unit is turned on it's side.)
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