• All circuits, including any switches, should have a capacity 1.25 times the maximum unit
current (amps).
• The qualified technician must use an approved circuit breaker or switch that disconnects
all poles and has a contact separation of at least 1/8 in. (3mm).
• Make sure to properly ground the air conditioner.
• Every wire must be firmly connected. Loose wiring can cause the terminal to overheat,
resulting in malfunction and possible fire.
• All wiring must be properly arranged to ensure that the electrical wiring cover can close
properly on the outside unit. If the control board cover is not closed properly, it can lead to
corrosion, which can cause the connection points on the terminal to overheat, which could
result in fire and/or electric shock.
• DO NOT connect any other appliances to the same circuit.
• DO NOT let wires touch or rest against refrigerant tubing, the compressor, or any moving
parts within the unit.
To install AC connections, perform the following:
1. Remove the electrical wiring cover from the unit by loosening the 3 retaining screws.
2. Remove the appropriate caps on the conduit panel to support conduit tube installation.
3. Temporarily mount conduit tubes (not included) on the conduit panel.
4. Properly connect both the power supply and low voltage lines to the corresponding
terminals on the terminal block. (see image below)
5. Ground the unit in accordance with local codes.
6. Be sure to size each wire length several inches longer than required to create ample
working room inside wiring cover.
7. Use lock nuts to secure the conduit tubes.
8. Replace the wire cover and reinstall the 3 screws.
LABEL WIRE SOURCE & COLOR
1 Signal Cable - Brown
2 Signal Cable - Blue
3 Signal Cable - Black
G Signal Cable - Yellow/Green
L1 AC Line 1 - Black
N Neutral - White
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