En-20
Wiring method
61 51
The wiring example for Outdoor unit, Indoor units and Branch box is shown in figure.
For other connections, refer to Design&Technical Manual.
※
Select the disconnect switch appropriately depending
on the loads (total current value of connected units).
※
Select the disconnect switch appropriately depending
on the loads (total current value of connected units).
1 2 3
Single-phase
208/230V 60Hz
Max.26.5A
BRANCH BOX
Power supply cable
Breaker1
POWER
Breaker2
Breaker1: Eeath leakage breaker
Breaker2: Circuit breaker (MOCP)
Outdoor unit
1 2 3
Single-phase
208/230V 60Hz
Max.26.5A
BRANCH BOX
Power supply cable
Breaker1
POWER
Breaker2
Breaker1: Eeath leakage breaker
Breaker2: Circuit breaker (MOCP)
Outdoor unit
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
Single-phase
208/230V 60Hz
Branch
box
(Primary)
Branch box (Secondary1)
Branch box (Secondary2)
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
unit
Indoor
unit
OUTDOOR UNIT
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
Indoor
Disconnect
switch
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
Optional
terminal
(Optional
terminal)
BRANCH BOX1
BRANCH BOX2
Breaker2
Breaker1
Single-phase
208/230V 60Hz
POWER
Breaker2
Breaker1
Single-phase
208/230V
60Hz
POWER
Breaker2
Breaker1
(Optional
terminal)
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
Single-phase
208/230V
60Hz
Branch
box
(Primary)
Branch box (Secondary1)
Branch box (Secondary2)
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
unit
Indoor
unit
OUTDOOR UNIT
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
Indoor
Disconnect
switch
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
Optional
terminal
(Optional
terminal)
BRANCH BOX1
BRANCH BOX2
Breaker1
POWER
POWER
(Optional
terminal)
Breaker2
Connection cable
Connection cable
[Example 1]
[Example 2]
Junction box
9379069342-02_IM.indb 20
17/5/2556 11:49:50
