7
ELECTRICAL WORK
Cabling
1. As shown in the figure, remove a screw
then remove cover of the electric part.
2. Strip wire ends (10 mm).
3. Match wire colors with terminal numbers on indoor
and outdoor units' terminal blocks and firmly screw
wires to the corresponding terminals.
4. Connect the ground wires to the corresponding
terminals.
5. Fix the cable with cord clamp.
6. Fix cover of the parts box and the terminal block
surely with the fixing screws.
Electric
parts box
Make a loop for the margin of the cable length so that
the electric parts box can be taken out during servicing.
10
1 2 3
10
50
30
Earth line
Connecting
cable
Cabling diagram
• For details of cabling/installation of the remote controller, refer to the Installation
Manual attached to the remote controller.
• When the remote controller is used for the first time, it accepts an operation approx. 5 minutes after the power
supply has been turned on. It is not a trouble, but is because the setup of the remote controller is being checked.
For the second power-ON time and after, approx. 1 minute is required to start the operation by the remote controller.
and
Connecting cable hole
Electric parts box cover
Remote controller cabling
• Strip approx. 9mm the cable to be connected.
• Non polarity, 2 core cable is used for cabling of the
remote controller.
Terminal block for
remote controller
wiring of indoor unit
A
B
Remote controller wire
(Field supply)
Wiring diagram
<Single system>
Remote controller
Remote controller
wiring
Indoor side
Indoor/Outdoor
connecting wires
Outdoor side
<Synchronous twin system>
Remote controller
Remote controller
wiring
A B
Indoor side
1
Indoor/Outdoor
connecting wires
1
Outdoor side
L
19
Terminal block
A
Remote
controller unit
B
A B
1
2
3
1
2
3
L
N
Remote controller
inter-unit wiring
A B
Indoor side
2
3
1
Indoor power
2
3
inter-unit wiring
N
2
3