5) Water Drainage Piping
The indoor drain pipe must be downward gradient for smooth drainage. Avoid situation as shown in figure
below.
6) Wiring
Electrical Connection
• Wiring regulation on wire diameters differ from country to country. Please refer to your LOCAL
ELECTRICAL CODES for field wiring rules. Be sure that installation comply with such rules and
regulations.
General Precautions
• Ensure that the rated voltage of the unit corresponds to the name plate before carrying out proper
wiring according to the wiring diagram.
• Provide a power outlet to be used exclusively for each unit. A power supply disconnect and a circuit
breaker for over-current protection should be provided in the exclusive line.
• The unit must be GROUNDED to prevent possible hazards due to insulation failures.
• All wiring must be firmly connected.
• All wiring must not touch the hot refrigerant piping, compressor or any moving parts of fan motors.
• The field wires from the indoor unit must be clamped on the wire clamp as per shown in the figure.
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