19 English
9-2 Wiring example
• Fit the power supply wiring of each unit with a switch and fuse as shown in the drawing.
COMPLETE SYSTEM EXAMPLE (3 systems)
1. When using 1 remote controller for 1 indoor unit. (Normal operation)
Inter-unit wiring,
ground wire, or remote
controller cord
Sealing pad (Small) (13)
Putty or thermal
insulation material
(procured locally)
Wiring through-holes
Processing method of wiring through-holes
Power supply wiring
Transmission wiring
Switch
Fuse
Power supply
Main
switch
Remote controller
Indoor unit
BS unit
(Only for
Heat
recovery system)
Fig. 28
LN
LN
IN/D OUT/D
F
1 F2 F1 F2
Terminal box
LN
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
LN
Outdoor unit
No. 1
System
Indoor
unit A
Fig. 29
Indoor
unit B
Indoor
unit C
Most
downstream
Indoor unit
Power supply
220-240V
50Hz
or
220V
60Hz
Power supply
220-240V
50Hz
or
220V
60Hz
Power supply
220-240V
50Hz
or
220V
60Hz
Power supply
220-240V
50Hz
or
220V
60Hz
LN LN LN LN
01_EN_3P161684-4E.fm Page 19 Monday, August 16, 2010 7:11 PM
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