Connecting the assembly cable
Cable specification
Model
Power cable
Interconnection cable
Type GL
09/12/18
3G, 2.5mm²
H07RN-F(60245 IEC66)
3G x 1.0mm², H07RN-F (60245 IEC66)
10A(
09/12
)
15A (
18
)
2 x 0.75mm², H05RN-F(60245 IEC57)
DRED Connected Wire
4 x 0.75mm², H05RN-F (60245 IEC57)
(Only for reference)
-
• Connect 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 ≥3mm.
• Use shield cable (Category 5; less than 50pF/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) Tighten 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.
Upside down
The terminal
socketis damaged.
There is no ring
terminalto cover the wire.
1. Extend the assembly cable if necessary.
• Do not connect two or more different cables to extend the length.
It may cause fire.
When you install the unit, make first refrigerant connections and then electrical connections.
Connect the air conditioner to grounding system before performing the electrical connection.
If unit is uninstalled, first disconnect electrical cables, then refrigerant connections.
If the outdoor unit is more than 7.5 meters away from the indoor unit, you must extend the cable. The maximum length of the
cable is 15(
09/12
) / 30(
18
) meters.
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.
The terminal socket
is upside down.
Either the screw is not fitted
properly or there is a space between
the screw and the ring terminal.
• For 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.
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