Connecting the assembly cable
Cable specification
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.
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.
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 4 or 5 meters away from the indoor unit, you must extend the cable. The maximum length of
the cable is 15(
09/12/18
) / 20(
24
) meters.
Model
Power cable
Interconnection cable
Type GL
AR09/12HC
CH
3G1.5mm² H05VV-F
3G1.5mm² H07RN-F
20A
AR18HC
CH
3G2.5mm² H05VV-F
3G2.5mm² H07RN-F
25A
AR09/12HP
CH
3G1.5mm² H05VV-F
3G1.5mm² H07RN-F
2x0.75mm² H05RN-F
20A
AR18HP
CH
3G2.5mm² H05VV-F
3G2.5mm² H07RN-F
2x0.75mm² H05RN-F
25A
AR09/12HC
CB/XL
3GxAWG16 SJT (3G1.0mm² H05VV-F)
3G1.0mm² H07RN-F
20A
AR18HC
CB/XL
3GxAWG14 SJT (3G1.5mm² H05VV-F)
3G1.5mm² H07RN-F
25A
AR24HC
CB/XL
3G2.5mm² H05RN-F
3G2.5mm² H07RN-F
25A
• 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 ≥3 mm.
• Use shield cable (Category 5; less than 50pF/m) for noisy environmental site.
English-37
INST
ALL
ATION
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