Connecting The Assembly Cable - Samsung AJ040 Series Manual

Connecting the assembly cable

If using a multi system, install as described in the installation manual supplied with the outdoor unit.
Cable specification
Model
020/025/035
050/068
• 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.
• P ower supply cords of parts of appliances for outdoor use shall not be lighter than
polychloroprene sheathed flexible cord. (Code designation IEC: 60245 IEC 66/CENELEC: H07RN-F,
IEC: 60245 IEC 57/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) T ighten 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.
 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 5.5 meters away from the indoor unit, you must extend the cable. The maximum length of the
cable is 15(020/025/035) / 20(050/068) 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.
Power cable Interconnection cable
3G1,0
мм
² H05VV-F
3G2,5
мм
² H07RN-F
The terminal
Upside down
socketis damaged.
The terminal socket
is upside down.
4G1,0
мм
² H07RN-F
3G1,5
мм
² H07RN-F
2x0,75
мм
² H05RN-F
There is no ring terminalto
cover the wire.
Either the screw is not fitted
properly or there is a space
between the screw and the
ring terminal.
English-32
Type GL
20A
25A