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Remote Controller Cabling
• Strip approx. 14mm the cable to be connected.
• Non polarity, 2 core cable is used for cabling of the remote controller.
• Twist cable of the remote controller to be connected with cable of the remote
controller unit (or sensor), and press-fit them with a wire joint.
(Wire joints (White: 2 pieces) are included in the attachments to the remote
controller (sold separately) or the wireless remote controller kit (sold separately).
Terminal block
for remote controller
cabling of indoor unit
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.
Check and Test Operation
Be sure to test the pipe connections for gas leak.
• Check the flare nut connections, valve stem cap connections and service port cap connections for gas leak with a
leak detector or some soap water.
9
INSTALLATION/SERVICING TOOLS
Tools
Tools
Gauge manifold
Charge hose
Electronic balance for
refrigerant charging
Torque wrench
(nominal diam.
1/4, 3/8, 1/2, 5/8)
¡
: Newly prepared (They are special requirements for R407C, separate from those for R22.)
o
: Existing tools are available.
For the details of the tools, refer to the Installation manual of the outdoor unit.
A
B
Remote controller cable
Connecting
(Procured locally)
part
Applicable to R22 model
o
o
¡
o
Approx. 200mm
W : White
B : Black
W
Remote controller
unit or sensor part
B
Remote controller unit or
cable from sensor part
Tools
Flare tool (clutch type)
Gauge for projection
adjustment
Vacuum pump adapter
Gas leak detector
16
Remote controller cabling
Cable from remote
Wire joint
controller unit
Remote controller
Remote controller
cable
A B
Indoor side
1
2
Indoor/Outdoor
connecting cable
1
2
Outdoor side
L
N
(Single phase 220/230/240V)
Applicable to R22 model
¡
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____
¡
o
3
3
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