13
English
Wiring through hole
Remote controller
wiring/transmission wiring
Sealing material
(Small) (13)
(Accessory)
Putty or insulation
(Field supply)
Fig. 24
<<Mending method of wiring through hole>>
•
After wiring connection is finished, to prevent the penetra
-
tion of water, small animals and insects into the indoor unit
from the outside, mend the respective covers for wiring
through hole for the power supply wiring/ground wiring and
the remote controller wiring/transmission wiring.
• Cut the sealing material (Small) (13) into two pieces and
wrap each wiring with each piece.
• Seal the clearance around the wirings with putty and insu-
lating material (field supply).
If insects and small animals get into the indoor unit, short
circuiting may occur inside the control box.
•
Keep the distance of 2 in. (50 mm) or more between low
voltage wiring (remote controller wiring, transmission
wiring) and the high voltage wiring (power supply wiring,
ground wiring) at anywhere outside the indoor unit. If both
wirings are laid down together, they may be affected by
outside electrical noise and cause malfunction or failure.
7-5 EXAMPLE OF WIRING
< No. 1 system: When using 1 remote controller (Normal
operation) >
Indoor unit
Power supply
single phase
60Hz 208/230V
Outdoor
unit
Remote controller
L
1
L
2
IN/D OUT/D
F1 F2 F1 F2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
Control box
L
1
L
2
Fig. 25
< No. 2 system: When using 2 remote controllers >
Power supply
single phase
60Hz 208/230V
P
1
P
2
P
1
P
2
L
1
L
2
IN/D OUT/D
F1 F2 F1 F2
P
1
P
2
F
1
F
2
T
1
T
2
Control box
Outdoor
unit
Indoor unit
L
1
L
2
For use with
2 remote
controllers
Fig. 26
[ PRECAUTIONS ]
1. Do not ground the equipment on gas pipes, water pipes
or lightning rods, or crossground with telephones. Im-
proper grounding could result in electric shock.
7-6 FOR CONTROL WITH 2 REMOTE CONTROL-
LERS (TO CONTROL 1 INDOOR UNIT WITH 2
REMOTE CONTROLLERS)
• For control with 2 remote controllers, set one remote con-
troller as Main and the other remote controller as Sub.
< Changeover method from Main to Sub and vice versa >
Refer to the installation manual attached to the remote
controller.
< Wiring method >
(1)
Remove the control box cover.
(2) Carry out additional wiring from the remote controller
2 (Sub) to the terminals (P1, P2) for remote controller
wiring on the terminal block (X1M) in the control box.
Terminal for remote
controller wiring (P1, P2)
No polarity
Remote
controller 2
(Sub)
Remote
controller 1
(Main)
Terminal block
(X1M)
01_EN_3P693452-2.indd 13
2022/08/09 16:00:14
