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Insulation of the Pipe Joints
1. The refrigerant pipe should be insulated with appropriate insulating material and
plastic tape in order to prevent condensation and water leakage.
2. The joints of the indoor unit should be wrapped with insulating material. No gap is
allowed on the joint of the indoor unit, as shown below.
Wiring the Indoor Unit
1. If the power cord or the communication line are damaged, they must be replaced with the
required replacement part.
2. Prior to wiring, please check the electrical information marked on the nameplate and carry
out the wiring following the wiring diagram.
3. The air conditioning unit must be grounded to prevent electrical shock hazards.
4. All wiring should be done strictly in accordance with the wiring diagram. Improper wiring
would cause abnormal operation or damage to the unit.
5. Do not let the electrical wires touch the refrigerant pipe, the compressor, the fan or other
moving parts.
6. Do not modify the wiring inside the indoor unit, otherwise the manufacturer will not assume
any responsibility for damage or abnormal operation of the unit.
1. Open and remove the cover of the electrical box of the indoor unit.
2. Insert the power cord through the rubber ring.
3. Pull the 4-wire cable through the wiring hole of the chassis upward, then connect the power
line and the communication line from the outdoor unit to the corresponding terminals N(1), 2,
3 and grounding terminal of the indoor unit. Wiring shall be done properly as per the wiring
diagram. (NOTE: Be sure the wiring terminals A/B/C/D/E and piping ports A/B/C/D/E of the
indoor unit match with that of the outdoor unit respectively).
WARNING
19
Cassette Unit
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