F55: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
7
Line Voltage Connections
1. Connect 115V power leads from field disconnect to white and black
stripped leads.
2. Connect ground wire to unit ground lug.
NOTE: Do not install electric heat. Units should have a factory-supplied
sheet metal block-off plate covering the heater opening. This will reduce
air leakage and formation of exterior condensation.
24V Control System
Connection To Unit
Wire low voltage in accordance with wiring label on the blower (Fig. 10
thru Fig. 13). Use #18 AWG color-coded, insulated (35° C minimum)
wire to make the low-voltage connections between the thermostat, the
unit, and the outdoor equipment. If the thermostat is located more than
100' (30 m) from the unit (as measured along the low-voltage wire), use
#16 AWG color-coded, insulated (35° C minimum) wire. All wiring
must be NEC Class 1 and must be separated from incoming power leads.
Refer to outdoor unit wiring instructions for any additional wiring
procedure recommendations.
A240457
Fig. 10 – Wiring Layout Single-Stage Air Conditioning Unit
A240458
Fig. 11 – Wiring Layout Single-Stage Heat Pump Unit
WARNING
!
ELECTRICAL SHOCK OR UNIT DAMAGE HAZARD
Failure to follow this warning could result in personal injury, death,
and/or unit damage.
If a disconnect switch is to be mounted on unit, select a location where
drill and fasteners will not contact electrical or refrigeration
components.
WARNING
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Field wires on the line side of the disconnect found in the fan coil unit
remain live, even when the pull-out is removed. Service and
maintenance to incoming wiring cannot be performed until the main
disconnect switch (remote to the unit) is turned off.
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