Electrical Wiring; Wiring System Diagram; Indoor Unit Wiring - Fujitsu ASYG14LECA Manual De Instalación

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7. ELECTRICAL WIRING

7.1. Wiring system diagram

WARNING
Every wire must be connected fi rmly.
No wire should be allowed to touch refrigerant tubing, the compressor or any moving
part.
Loose wiring may cause the terminal to overheat or result in unit malfunction. A fi re
hazard may also exist. Therefore, be sure all wiring is tightly connected.
Connect wires to the matching numbers of terminals.
Type 60245 IEC57
INDOOR UNIT
(Inter-unit)
TERMINAL
Grounding line

7.2. Indoor unit wiring

1. Remove the cable clamp.
2. Bend the end of the connection cable as shown in the fi gure.
3. Connect the end of the connection cable fully inserting into the terminal block.
4. Fasten the connection cable with a cable clamp.
Wire cover
Screw
Wire cover
Screw
Insert the wire cover tab into the square hole
Connection cable
of the indoor unit and fasten with a screw.
All manuals and user guides at all-guides.com
OUTDOOR UNIT
Power line
Control line
Please connect it to
the specifi ed terminal.
Cable clamp
Screw
Connection cable
Cable clamp
Screw
Connection cable
7.3. How to connect wiring to the terminals
Caution when wiring cable
When stripping off the insulation of a lead wire, always use a special tool such as a wire
stripper. If there is no special tool available, carefully strip the insulation with a knife etc.
(1) Use crimp-type terminals with insulating sleeves as shown in the fi gure below to con-
nect to the terminal block.
(2) Securely clamp the crimp-type terminals to the wires using an appropriate tool so that
the wires do not come loose.
Strip : 10 mm
(3) Use the specifi ed wires, connect them securely, and fasten them so that there is no
stress placed on the terminals.
(4) Use an appropriate screwdriver to tighten the terminal screws. Do not use a screw-
driver that is too small, otherwise, the screw heads may be damaged and prevent the
screws from being properly tightened.
(5) Do not tighten the terminal screws too much, otherwise, the screws may break.
Screw with special washer
Crimp-type terminal
Wire
Terminal blocks
(6) See the table below for the terminal screw tightening torques.
Tightening torque [N·m (kgf·cm)]
M4 screw
CAUTION
Match the terminal block numbers and connection cable colors with those of the
outdoor unit.
Erroneous wiring may cause burning of the electric parts.
Connect the connection cables fi rmly to the terminal block. Imperfect installation may
cause a fi re.
Always fasten the outside covering of the connection cable with the cable clamp. (If
the insulator is chafed, electric discharge may occur.)
Always connect the ground wire.
Do not use the earth screw of the indoor unit for the connection other than a specifi ed
outdoor unit.
Crimp-type
terminal
Sleeve
Screw with special washer
Crimp-type
terminal
Wire
1.2 to 1.8 (12 to 18)
En-6

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