Table of Contents
Advertisement
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.
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) T ighten the terminal block screw to under 1.2 N•m (12 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_DB68-04388A-00.indd 39
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-39
Type GL
20 A
25 A
There is no ring
terminalto cover the wire.
12/23/2013 10:25:30 PM
Advertisement
Table of Contents
