OUTDOOR UNIT
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Insulation material selection for drainage pipe
• The insulation material should be flame retardant and in accordance to the guidelines of local law.
• Thickness of insulation layer is usually above 10 mm.
• Use specific glue to paste the seam of insulation material, and then bind with adhesive tape. The width of
tape should not be less than 5 cm. Make sure it is firm and avoid condensation.
Installation of insulation
The single pipe should be insulated before connecting to another pipe, the joint should be insulated after
the drainage test.
There should be no insulation gap between the insulation material.
14. Electrical Wiring Installation & Requirements
Highlights of electrical wiring installation
• All field wiring construction should be performed by a qualified electrician.
• Air conditioning equipment should be grounded according to the local electrical regulations.
• Current leakage protection switch should be installed.
• Do not connect the power wire to the terminal of signal wire.
• When power wire is parallel with signal wire, put each wire in their own wire tube and make sure there is
at least a 12 in (300 mm) gap between them.
•Using the following tables to select the proper wire guage.
• Select different colors for different wire according to relevant regulations.
• Do not use metal wire tube where it could be exposed to acid or alkali corrosion. Use plastic wire tube to
replace it.
• There must not be wire connect joints in the wire tube. If a joint is a must, set a connection box at the
place.
• Wiring of varying voltage should not be in one wire tube.
• Ensure that the color of the wires of the outdoor unit and the terminal No. are same as those of indoor
unit respectively.
Electric Wiring Guage
Table - 6
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