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Connecting the assembly cable
Cable specification
Model
09
12
18/24
• 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 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)
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.
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.
1. Extend the assembly cable if necessary.
• D o not connect two or more different cables to extend the length.
It may cause fire.
A3050 FA_IB&IM_DB68-04003A_HP_EN.indd 37
Power cable
Interconnection cable
3G, 1.0mm
5G, 1.0mm
² H05VV-F
3G, 1.5mm
3G, 1.5mm
² H05VV-F
2x0.75mm
3G, 2.5mm
3G, 2.5mm
² H05VV-F
2x0.75mm
The terminal
Upside down
socketis damaged.
Either the screw is not fitted
properly or there is a space
The terminal socket
between the screw and the
is upside down.
ring terminal.
English-37
Type GL
² H07RN-F
20A
² H07RN-F
² H05RN-F
² H07RN-F
25A
² H05RN-F
There is no ring
terminalto cover the wire.
2013-12-25 15:27:51
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