Installation Manual

En-18
6.3.2 Wiring method
Example) Wiring diagram when 3 branch boxes and 8 indoor units are connected
Example 1)
123 123 123
123
123
123
123
123
123
123
123
123
123 123
123
123
123
123 123
BRANCH BOX
OUTDOOR UNIT
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
POWER
REMOTE
CONTROL
BRANCH BOX
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
REMOTE
CONTROL
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
REMOTE
CONTROL
BRANCH BOX
BRANCH BOX
BRANCH BOX1
BRANCH BOX2
POWER POWER
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Outdoor unit
Disconnect
switch
Connection
cable
Single-phase
208/230V
60Hz
Single-phase
208/230V
60Hz
Single-phase
208/230V
60Hz
Optional
terminal
Indoor
unit
Indoor
unit
Branch
box
(Primary)
Branch box (Secondary1) Branch box (Secondary2)
(Optional
terminal)
(Optional
terminal)
Breaker2: Circuit breaker (MOCP)
Breaker1: Earth leakage breaker
Breaker2 Breaker2 Breaker2
Breaker1 Breaker1 Breaker1
Connection cable
w
Select the proper power supply (capacity) and the disconnect switch
according to the load (total current value of the units connected units).
Example 2)
123 123 123
123
123
123
123
123
123
123
123
123
123 123
123
123
123
123 123
OUTDOOR UNIT
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
POWER
REMOTE
CONTROL
BRANCH BOX
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
REMOTE
CONTROL
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
REMOTE
CONTROL
BRANCH BOX
BRANCH BOX
BRANCH BOX1
BRANCH BOX2
POWER POWER
BRANCH BOX
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Outdoor unit
Disconnect
switch
Single-phase
208/230V
60Hz
Optional
terminal
Indoor
unit
Indoor
unit
Branch
box
(Primary)
Branch box (Secondary1) Branch box (Secondary2)
(Optional
terminal)
(Optional
terminal)
Breaker2: Circuit breaker (MOCP)
Breaker1: Earth leakage breaker
Breaker2
Breaker1
Connection
cable
Connection cable
Junction box
w
Select the proper power supply (capacity) and the disconnect switch
according to the load (total current value of the units connected units).
9380120001-06 EN.indd 189380120001-06 EN.indd 18 6/16/2558 BE 8:20 PM6/16/2558 BE 8:20 PM