Part 1
R22 system: R410A system:
Connection wire
Liquid pipe
Heat insulator
Gas pipe
Adhesive tape
over 20cm
Connection wire
Liquid pipe
Heat insulator
Gas pipe
Adhesive tape
8 Electric wiring
Air conditioner electric wiring should comply with the relative articles
in GB5024-96.
8.1 Electric wiring work should be done by the qualified electricians.
8.2 Indoor and outdoor unit should be grounded reliably, grounding
resistance should be less than 4Ω.
8.3 All the power cables and signal cables should pass through the wire
tube or wire groove. Power cable and signal wire should not go through
the same wire tube.
8.4 All cables must be copper core. Power cable and signal wire shall
keep a certain distance (about 200mm), or be laid on both sides of
refrigerant pipe , do not wind each other, fixing by this way can avoid
communication disturbance.
8.5 Power supply for indoor and outdoor can be different and supply the
power separately, but the indoor units connected with one outdoor should
use one power supply.
8.6The circuit breaker should be installed for every outdoor unit, the
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