Wiring Method - Fujitsu AOU48RLXFZ1 Installation Manual

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Wiring method

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