Wiring Method - Fujitsu AOU48RLXFZ Design & Technical Manual

WIRING METHOD

Practical transmission wiring method is shown below.
Each terminal has to be connected the following rules.
Example 1
Single-phase
208/230V 60Hz
Max.26.5A
Outdoor unit
Central remote
controller
BRANCH BOX
1 2 3
1 2 3
Connection cable
Branch
box
(Primary)
1 2 3 1 2 3 1 2 3 1 2 3
REMOTE BRANCH BOX1 OUTDOOR UNIT
BRANCH BOX2
CONTROL
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C POWER
1 2 3 1 2 3
1 2 3
Breaker2
Indoor Indoor
unit
unit
Breaker1
1 2 3
Disconnect
BRANCH BOX
switch
REMOTE
Single-phase
CONTROL
Indoor
208/230V 60Hz
1 2 3
unit
1 2 3
Remote
controller
Example 2
Single-phase
208/230V 60Hz
Max.26.5A
Outdoor unit
Central remote
controller
BRANCH BOX
1 2 3
1 2 3
Connection cable
Branch
box (Primary)
1 2 3
1 2 3 1 2 3 1 2 3
OUTDOOR UNIT
REMOTE BRANCH BOX2 BRANCH BOX1
CONTROL
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
1 2 3 1 2 3
1 2 3
Indoor Indoor
unit
unit
Disconnect
1 2 3
switch
Breaker2
BRANCH BOX
REMOTE
CONTROL
Indoor
Breaker1
1 2 3
unit
Single-phase
208/230V
1 2 3
60Hz
Remote
controller
Power supply cable
Breaker1
Breaker1: Eeath leakage breaker
Breaker2: Circuit breaker (over current)
Breaker2
Select the disconnect switch appropriately depending
on the loads (total current value of connected units).
POWER
Branch box (Secondary1 )
(Optional
1 2 3 1 2 3
terminal)
REMOTE
BRANCH BOX
CONTROL
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C POWER
1 2 3 1 2 3 1 2 3
Breaker2
Breaker1
Indoor Indoor Indoor
unit unit unit
Single-phase
208/230V 60Hz
Power supply cable
Breaker1
Breaker1: Eeath leakage breaker
Breaker2: Circuit breaker (over current)
Breaker2
Select the disconnect switch appropriately depending
on the loads (total current value of connected units).
POWER
Branch box (Secondary1)
1 2 3
1 2 3
REMOTE
BRANCH BOX
CONTROL
POWER INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
1 2 3 1 2 3 1 2 3
Indoor Indoor Indoor
unit unit unit
Junction box
Breaker2: Curcuit breaker (over current)
Breaker1: Earth leakage breaker
- (06 - 44) -
Branch box (Secondary2)
(Optional
1 2 3
1 2 3
terminal)
BRANCH BOX
REMOTE
CONTROL
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C POWER
1 2 3 1 2 3 1 2 3
Breaker2
Breaker1
Indoor Indoor
unit unit
Single-phase
208/230V
60Hz
Branch box (Secondary2)
1 2 3 1 2 3
REMOTE BRANCH BOX
CONTROL
POWER INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
1 2 3 1 2 3 1 2 3
Indoor Indoor
unit unit
6. SYSTEM DESIGN
POWER