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6. Electrical work
CN105
(RED)
6.1.1. Indoor unit power supplied from outdoor unit
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
D
L
A
B
C
N
S1
S2
S3
* Affi x label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
D
L
A
B
C
N
S1
S2
S3
* Affi x label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
All manuals and user guides at all-guides.com
Fig. 6-1
Fig. 6-2
I
G
H
S1
S2
CN105
RED
S3
1
F
2
E
Simultaneous twin system
G
G
S1
S1
S2
S2
S3
S3
1
2
E
F
E
2
1
6.1. Indoor unit (Fig. 6-1)
1. Remove the electrical wiring service panel.
2. Remove the electrical box cover.
3. For radio frequency interface.
Connect the electric wires securely to CN105 (RED) of indoor controller board.
(Fig. 6-2)
For wired remote controller.
Wire the power cable and control cable separately through the respective wiring
entries given in the diagram.
• Do not allow slackening of the terminal screws.
• Leave excess cable so that the electrical box cover can be suspended below the
unit during servicing. (Approx. 50 to 100 mm, 2 to 4 inch)
A
Entry for control cable
B
Entry for power
C
Clamp
D
Electrical box cover
E
Service panel for electrical wiring
F
Temporary hook for electrical box cover
G
Indoor / Outdoor unit connecting terminals
H
Wired remote controller connector
I
Secure with the clamp
J
Earth terminal
K
Electrical box
L Indoor controller board
1:1 System
A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor earth
F Wired remote controller
G Indoor controller board
H Radio frequency interface for RF thermostat
I
Indoor unit
Only for wired remote controller
A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor earth
F Wired remote controller
G Indoor unit
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