Installation Guide
Refrigerant Piping
Signal Cable
Drainage Pipe
Outdoor Unit (Exterior / Condenser)
Fig. 6.3
wrap from 
bottom to top 
to ensure tape 
overlap sheds 
water
wrapped from
inside unit
BEFORE PERFORMING ELECTRICAL WORK, READ THESE REGULATIONS
1.
 All wiring must comply with local and national electrical codes.
2. All electrical connections must be made according to the Electrical Connection Diagram located on the 
panels of the indoor and outdoor units.
3. If there is a serious safety issue with the power supply, stop work immediately. Explain your reasoning 
to the client, and refuse to install the unit until the safety issue is properly resolved.
4. Power voltage should be within 90-100% of rated voltage. Insufficient power supply can cause 
malfunction, electrical shock, or fire.
5. Circuit, including any switches, should have a capacity 1.5 times the maximum unit current (amps).
6. A qualified technician must use an approved circuit breaker or switch that disconnects all poles and has 
has a contact separation of at least 1/8in (3mm).
7. Do not connect another appliance to the same circuit.
8. Make sure to properly ground the air conditioner.
9. Every wire must be firmly connected. Loose wiring can cause the terminal to overheat, resulting in 
malfunction and possible fire.
10. Do not let wires touch or rest against refrigerant tubing, the compressor, or any moving parts within the 
unit.
11. If the unit has an auxiliary electric heater, it must be installed at least 40in (1 meter) away from 
combustible materials.
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Refrigerant Piping Connection
Quick Connect
®
connections
coil then wrap 
bundled excess
wrap the Quick Connect® 
connections with the black 
sound deadening pads.
(Refer to section 5.3 Connecting the
refrigerant pipes to indoor unit)










