24
7-2. BRANCH BOX : PAC-AK50BC PAC-AK30BC
PAC-AK51BC PAC-AK31BC
5
3
1
YLW
TB3E
(
PAC - AK50/51BC only
)
Setup of SW1
Make it the same setup as former
when exchanging PCB.
TO INDOOR
UNIT -E
(
PAC - AK50/51BC only
)
(
PAC - AK50/51BC only
)
TO INDOOR
UNIT -D
TO INDOOR
UNIT -C
TO INDOOR
UNIT -B
TO INDOOR
UNIT -A
TO OUTDOOR
UNIT
ORN
BRN
TB3E
(GRN)
5
3
1
YLW
ORN
BRN
TB3D
(BLK)
5
3
1
YLW
ORN
BRN
TB3C
(BLU)
5
3
1
YLW
ORN
BRN
TB3B
(RED)
LEV-A
(WHT)
5
3
1
1
2
1
6
YLW
ORN
BRN
TB3A
(WHT)
1
3
YLW
F1
TB1
ORN
BRN
CN3C
(
BLU)
3
1
CND
(ORN)
1 2 3 4 5 6 7
8 9 10 11 12 13 14
CNM
SW1
LED1 LED2 LED3 LED4 LED5
1
2
1
2
1
2
1
2
6
LEV-A
LEV-B
(RED)
1
6
6
LEV-B
LEV-C
(BLU)
1
6
6
LEV-C
LEV-D
(BLK)
1
6
6
LEV-D
LEV-E
(GRN)
TH-A
(WHT)
TH-B
(RED)
TH-C
(BLU)
TH-D
(BLK)
TH-E
(GRN)
1
6
6
LEV-E
TH-A
TH-B
TH-C
TH-D
TH-E
S1
S2
S3
TB3D
S1
S2
S3
TB3C
S1
S2
S3
TB3B
S1
S2
S3
TB3A
S1
S2
S3
TB2B
S1
S2
S3
Note : " PAC - AK30 . 50BC, PAC - AK31 . 51BC " is only for R410A.
Note
1. At servicing for outdoor unit, always follow the wiring diagram of Outdoor unit.
2. Symbols used in wiring diagram above are, : terminal block, : connector.
(
Combination of indoor units
)
Enter the location of combined indoor units with model name in each
blank below because it is necessary for service and maintenance.
SYMBOL
B.C
F1 <B.C>
SW1<B.C>
CNM<B.C>
LED1~5< B.C>
TB3A
TB3B
TB3C
TB3D
TB3E
LEV-A~E
TH-A~E
TB2B
Branch box controller board
Fuse 250V 6.3A
Switch for service
Connector
Light emitting diode
Terminal block / To indoor unit - A
Terminal block / To indoor unit - B
Terminal block / To indoor unit - C
Terminal block / To indoor unit - D
Terminal block / To indoor unit - E
Linear expansion valve
Thermistor
Pipe temp.detection / Gas
(0
/ 15k
, 25
/ 5.4k
)
Terminal block / To outdoor unit
NAME
Indoor unit - A Indoor unit - B Indoor unit - C Indoor unit - D Indoor unit - E
B.C
(PAC - AK50/51BC only)
ON
OFF
The black square (
■
) indicates a switch position.
Содержание PAC-AK31BC
Страница 90: ...90 15 2 FUNCTIONAL PARTS BRANCH BOX PAC AK50BC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 17 16 19 20 ...
Страница 92: ...92 15 3 FUNCTIONAL PARTS BRANCH BOX PAC AK30BC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 17 16 ...
Страница 98: ...98 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 17 16 19 20 16 3 FUNCTIONAL PARTS BRANCH BOX PAC AK50BC PAC AK51BC ...
Страница 100: ...100 16 4 FUNCTIONAL PARTS BRANCH BOX PAC AK30BC PAC AK31BC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 17 16 ...
Страница 160: ...Related Links Model Number MXZ8A140VA 3 MXZ 8A_Parts_Catalog_ OC316E MXZ 8A_Service_Manual_ OC316E ...