Installation Instructions
2 INSTALLATION (cont.)
5CONNECT ELECTRICAL WIRING BETWEEN INDOOR AND OUTDOOR UNITS
•All wiring should be rated appropriately for the current value listed on the rating plate.
•The power supply should accommodate the rated voltage.
•Wiring must be done by a qualified electrician according to local codes, regulations and this manual.
•All wiring connections should be tightened securely.
6WIRE THE INDOOR UNIT
NOTE: Use
1.Open the front access panel.
2.Remove the cover plate of the electrical box.
Access panel
Cover plate
3.On the back of the indoor unit, remove the conduit connecting cover. Using the fixing nut, connect the conduit to the connecting cover. Route the wire leads through the unit to the electrical box area. Reinstall the connecting cover.
Back of unit 
Fixing nut 
Connecting cover 
Conduit
6WIRE THE INDOOR UNIT (cont.)
NOTE: Wiring must be done by a qualified electrician according to the local codes and regulations and this manual. The connecting wire should be correctly connected to the circuit interface.
Power connection cord
Electrical wires must be secured with attached strain reliefs.
115V Models | Outdoor unit | Indoor unit |
Power supply
To branch circuit
Ground
*L1 will be used for neutral in 115V models.
230/208V Models | Outdoor unit | Indoor unit |
Power supply
To branch circuit
Ground
NOTES:
•Wiring should be consistent with the wiring diagrams above.
•Tighten the nut of the terminal board to keep the board secured.
•After tightening, the wire cannot be removed if pulled.
•Incorrect wiring will cause the air conditioner to work abnormally.
•Incorrect grounding will cause a short circuit .
4.Replace the cover plate over the electrical box and lower the access panel into position.
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