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Single Phase Electrical Connections
(Refer to "Wiring Diagram—Single Phase 208/230 Volt.")
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
1. Disconnect power.
2. Remove control box cover.
3. Connect the field supply wires L1 and L2 to contactor
terminals L1 and L2.
4. Connect ground wire to ground lug.
A
B
A. Ground lug
B. Field supply ground wire
C. 208/230 volt field supply wires
6
T2
T1
L2
L1
L2
L1
C
5. Connect low voltage circuit.
Typical Wiring Connection (low voltage circuit)
Thermostat
Indoor Unit
R
A
C
Y
O
W
G
24V Control Wiring (NEC Class 2)
A. Do not connect C (common) connection between indoor unit and
thermostat except when required by the indoor thermostat. Refer
to the thermostat installation instructions.
B. C (common) connection between indoor unit and outdoor unit
required for proper operation.
6. Replace control box cover.
7. Reconnect power.
Outdoor Unit
R
R
C
C
Y
O
W
W
G
B
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