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Electrical Connections - Indoor Unit
All systems will include a wiring diagram affixed to the
indoor unit. See Page 44 for more details.
1. Lift up the front panel of the indoor unit.
2. Remove the cover as indicated in the illustration.
3. For the electrical wiring, consult the circuit diagram
affixed to the elecrical cover.
4. Connect the cables to the wiring terminal by following
the numbering. Use wire gauge suitable for the
electrical power input. (see name plate on the unit).
Page 25
6
Indoor Unit Installation Instructions
Indoor Unit
Installation
BEFORE PERFORMING ELECTRICAL WORK, READ THESE REGULATIONS
1.
All wiring must comply with local and national electrical codes, and must be installed by a
licensed electrician.
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 suspend all installation until the safety issue is properly resolved.
4.
Power voltage should be within 90-110% of rated voltage. Insufficient power supply can
cause malfunction, electrical shock, or fire.
5.
Connect power through fixed wiring, install a surge protector and a disconnect switch box,
and a dedicated circuit breaker with a capacity of 1.5 times the maximum current of the unit.
6.
A properly rated HACR-type fuse or circuit breaker that disconnects all poles and
has a contact separation of at least 1/8in (3mm) must be incorporated in the fixed wiring.
The qualified technician must use an approved circuit breaker or fuse.
7.
Only connect the unit to an individual branch circuit. Do not connect another appliance
to that outlet. This equipment requires its own dedicated and protected 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 product malfunction and possible fire.
10.
Do not let wires touch or rest against refrigerant tubing, the compressor, or any moving
parts within the unit.
WARNING:
BEFORE PERFORMING ANY ELECTRICAL OR WIRING WORK,
TURN OFF THE MAIN POWER TO THE SYSTEM.
Front Panel
Wiring Diagram
Terminal Block
Cover
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