6. SYSTEM DESIGN
WIRING METHOD
Practical transmission wiring method is shown below.
Each terminal has to be connected the following rules.
1 2 3
1 2 3
1 2 3
Indoor
unit
Remote
controller
BRANCH BOX
REMOTE
CONTROL
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 (over current)
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
Outdoor unit
)
Branch box (Secondary2)
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
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
(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)
Connection cable
Select the disconnect switch appropriately depending
on the loads (total current value of connected units).
1 2 3
Central remote
controller
Example 1
1 2 3
1 2 3
1 2 3
Indoor
unit
Remote
controller
BRANCH BOX
REMOTE
CONTROL
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 (over current)
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
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 BOX1
BRANCH BOX2
Breaker1
Breaker2: Curcuit breaker (over current)
POWER
POWER
Breaker2
Breaker1: Earth leakage breaker
Junction box
̪
Select the disconnect switch appropriately depending
on the loads (total current value of connected units).
1 2 3
Central remote
controller
Connection cable
Example 2
- (06 - 44) -
SY
S
T
E
M
DE
SIGN
SY
S
T
E
M
DE
SIGN
Summary of Contents for ARU12RLF
Page 3: ...1 GENERAL INFORMATION DTR_BMU001E_03 CHAPTER01 2010 08 25 Hybrid Flex Inverter System ...
Page 18: ...2 MODEL SELECTION DTR_BMU001E_04 CHAPTER02 2010 10 04 Hybrid Flex Inverter System ...
Page 38: ...3 OUTDOOR UNIT BRANCH BOX Hybrid Flex Inverter System DTR_BMU001E_04 CHAPTER03 2010 10 04 ...
Page 58: ...4 INDOOR UNITS Hybrid Flex Inverter System DTR_BMU001E_05 CHAPTER04 2010 11 12 ...
Page 116: ...5 CONTROL SYSTEM DTR_BMU001E_04 CHAPTER05 2010 10 04 Hybrid Flex Inverter System ...
Page 152: ...6 SYSTEM DESIGN DTR_BMU001E_04 CHAPTER06 2010 10 04 Hybrid Flex Inverter System ...
Page 287: ...7 OPTIONAL PARTS Hybrid Flex Inverter System DTR_BMU001E_03 CHAPTER07 2010 08 25 ...