YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
YMGI: Your Modern Green Idea
18
CONNECTION OF WIRES
WIRING AT INDOOR UNIT AND OUTDOOR UNITS
Open the front cover panel.
Remove screws from electrical box cover and put screws in secured position.
Remove screws from fastener and put screws in secured position.
Prepare wires of right size and grade.
Recommend to use factory-provided wire/cables.
Connected to the terminals following wiring diagrams (terminal or color matches).
Clamp power/control wires to the structure to keep the tension form being transmitted to the wire connection.
Replace screws or fasteners back to where they were.
Note:
The environment conditions must be taken into consideration when the connections of power cable are made
(such as the ambient temperature, direct exposure to heat exposure to sunlight).
The specifications for the power cable refer to the minimum values of the metal core wires, taking into
consideration the voltage losses, the core wire of power cable must be one size larger than the specifications.
The grounding wire must be connected to the indoor units and outdoor units.
The laying of power cables must be done by qualified electricians and comply with the regulations of the local
power supply authorities and with the standards of the electric appliance.
PIPING AND WIRING SIZES
Min - Max
Length/
+/-Elevation
Power Wire Min.
Disconnect Switch Box to
Outdoor Unit
Power/ Control Wire Min.
Outdoor Unit to Indoor Unit
Recommended HVAC
Circuit Breaker/Fuse
AMP (to Outdoor Unit)
L1/L2/G, 115V/1/60, 12AWG
1/2/3/G, 115V/1/60Hz, 4×AWG18
L1/L2/G, 115V/1/60, 10AWG
1/2/3/G, 115V/1/60Hz, 4×AWG18
L1/L2/G, 208-230/1/60, 12AWG
1/2/3/G, 208-230V/1/60Hz, 4×AWG18
L1/L2/G, 208-230/1/60, 10AWG
1/2/3/G, 208-230V/1/60Hz, 4×AWG18
L1/L2/G, 208-230/1/60, 10AWG
1/2/3/G, 208-230V/1/60Hz, 4×AWG18
L1/L2/G, 208-230/1/60, 10AWG
1/2/3/G, 208-230V/1/60Hz, 4×AWG18
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