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Page 16mrcool.com
Indoor Unit Installation
BEFORE PERFORMING ANY ELECTRICAL WORK, TURN OFF ALL POWER TO THE SYSTEM.
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 refuse to install the unit until the safety issue is properly resolved.
4.
5. Circuit, including any switches, should have a capacity 1.5 times the maximum unit current (amps).
6.
and has has a contact separation of at least 1/8 in (3 mm).
7. Do not connect another appliance to the same circuit.
8. Make sure to properly ground the air conditioner.
9.
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 40 in (1 meter) away from
combustible materials.
Fig. 3.7bFig. 3.7a
208-230V~ Models
L1 L2 S L1 L2
L1 L2 S G
Indoor Unit
Single Zone Outdoor Unit
see Outdoor Unit Installation for Multi-Zone
Power Supply
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