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14
3P161684-7N
English
Wiring penetrating hole
Remote controller
wiring/transmission wiring
Sealing material
(Small) (13)
(accessory)
Putty or insulation
(field supply)
Fig. 24
<<Mending method of wiring penetrating 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
penetrating 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 1-15/16 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
•
The power wiring should be installed to meet local and na-
tional code.
Fig.25
is one example of a wiring configuration.
COMPLETE SYSTEM EXAMPLE (3 systems)
Power supply wiring
Transmission wiring
Switch
Fuse
Power supply
Main
switch
Remote controller
Indoor unit
BS unit
(Only for
Heat
recovery system)
Fig. 25
1.When using 1 remote controller for 1 indoor unit.
(Normal operation)
L
1
L
2
L
1
L
2
IN/D OUT/D
F1 F2 F1 F2
Control box
L
1
L
2
F
1
P
2
P
1
F
2
T
1
T
2
F
1
F
2
T
1
T
2
F
1
F
2
T
1
T
2
F
1
F
2
T
1
T
2
L
1
L
2
Outdoor unit
No. 1
System
Indoor
unit A
Indoor
unit B
Indoor
unit C
Most
downstream
indoor unit
Power supply
single phase
208/230 V
60 Hz
Power supply
single phase
208/230 V
60 Hz
Power supply
single phase
208/230 V
60 Hz
Power supply
single phase
208/230 V
60 Hz
L
2
L
1
L
2
L
1
L
2
L
1
L
2
L
1
P
2
P
1
P
2
P
1
P
2
P
1
P
2
P
1
P
2
P
1
P
2
P
1
P
2
P
1
Fig. 26
2. For group control or use with 2 remote controllers
Note: It is not necessary to designate indoor
unit address when using group
control. The address is automatically
set when power is activated.
L
1
L
2
L
1
L
2
L
1
L
2
Control box
Outdoor unit
No. 2
System
Indoor
unit A
Indoor
unit B
Indoor
unit C
Most
downstream
indoor unit
For use with 2
remote controllers
IN/D OUT/D
F
1
F
2
F
1
F
2
F
1
F
2
P
1
P
2
T
1
T
2
F
1
F
2
T
1
T
2
F
1
F
2
T
1
T
2
F
1
F
2
T
1
T
2
L
2
L
1
L
2
L
1
L
2
L
1
L
2
L
1
Power supply
single phase
208/230 V
60 Hz
Power supply
single phase
208/230 V
60 Hz
Power supply
single phase
208/230 V
60 Hz
Power supply
single phase
208/230 V
60 Hz
L
1
L
2
P
2
P
1
P
2
P
1
P
2
P
1
P
1
P
2
P
1
P
2
P
1
P
2
Fig. 27
3. When including BS unit
IN/D OUT/D
F
1
F
2
F
1
F
2
IN/D
OUT/D
F
1
F
2
F
1
F
2
L
1
L
2
F
1
F
2
P
1
P
2
T
1
T
2
BS unit
No. 3
System
Outdoor unit
Indoor unit A
Most
downstream
indoor unit
Control box
Control box
IN/D
OUT/D
F
1
F
2
F
1
F
2
BS unit
Control box
L
1
L
2
F
1
F
2
T
1
T
2
L
2
L
1
L
2
L
1
Power supply
single phase
208/230 V
60 Hz
Power supply
single phase
208/230 V
60 Hz
P
1
P
2
P
1
P
2
P
1
P
2
Fig. 28
[ 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.
WARNING
Be sure to install an ground leakage breaker.
Failure to do so may cause electric shocks and a fire.