20
Installation
WARNING
For personal safety be sure to turn the electrical power “OFF” at the main entrance (Home
Circuit Breaker Box) and at the unit control box circuit breakers before attempting any service or
maintenance operations. Homeowners should never attempt to perform any maintenance which
the circuit breaker connections. Take precautions to prevent accidental electrical shock. Be sure to
turn the electrical power “OFF” at the main entrance (Home Circuit Breaker Box) and at the control box
circuit breakers before removing the front panel.
Power supply wiring
The unit internal wiring is complete except for the power supply and control wires.
The use of cable connectors on incoming power supply wires to relieve any strain on wiring is recommended.
Follow the steps below to connect the power supply wires.
Supply voltage is 208/230V, 1ø, 60 Hz.
If you are installing optional heat kits, refer to the heat kit installation instructions for line voltage connection
instructions
Wiring diagram
1(L)
2(N)
Indoor Unit
Outdoor Unit
Indoor Power Main power cable
Cable clmap
Cable clmap
Communication cable
V1 V2 F3 F4
1(L) 2(N)
NL
F2F1
F2F1
Wiring Work
DB68-11271A-02_IM_CAC Universal AHU Indoor_AA_EN_.indd 20 2022-09-15 오전 9:53:18
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