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Connecting the assembly cable
Cable specification
Model
12
18
• C onnect the power cable to the auxiliary circuit breaker. If every pole fails to connect to the
power supply, it must be incorporated in a wire with a contact opening of ≥ 3 mm.
• U se shield cable (Category 5; less than 50 pF/m) for noisy environmental site.
• P ower supply cords of parts of appliances for outdoor use shall not be lighter than
polychloroprene sheathed flexible cord. (Code designation IEC: 60245 IEC66/CENELEC: H07RN-F,
60245 IEC57 CENELEC: H05RN-F)
Connecting the cable
Electrical work
(1) For electrical and earth works, comply with the 'technical standards of electrical installations' and the the 'wiring
regulations' of the Local wiring regulations.
(2) Tighten the terminal block screw to 1.2~1.8 N•m (12~18 kgf•cm).
(3) Precautions when connecting terminal blocks of the indoor unit
Before connecting, make sure the connecting part of the terminal socket is facing upwards.
There must be no space between the terminal and the screw when connected.
- Any remaining space may become a fire hazard due to overheating of the electrical contact.
• F or the terminal block wiring, use a wire with a ring terminal socket only.
Regular wires without a ring terminal socket may become a fire hazard due to overheating of the electrical contact during
a wiring work.
NA_BETTER_A3050_IB&IM_EN_DB68-05012A.indd 42
Power cable
Interconnection cable
3G x 1.0 mm², H07RN-F
3G x 2.5 mm², H07RN-F
2 x 0.75 mm², H05RN-F
3G x 1.0 mm², H07RN-F
3G x 2.5 mm², H07RN-F
2 x 0.75 mm², H05RN-F
The terminal
Upside down
socketis damaged.
Either the screw is not fitted
The terminal socket
properly or there is a space between
is upside down.
the screw and the ring terminal.
English-42
Type GL
There is no ring
terminalto cover the wire.
20 A
25 A
11/20/2014 3:18:27 PM
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