Mitsubishi Electric Mr. SLIM MSZ-FA25VA Technical Manual página 471

2. BRANCH BOX : PAC-AK50BC PAC-AK30BC
Note : " PAC - AK30 . 50BC " is only for R410A.
SYMBOL
B.C
F1 <B.C>
SW1<B.C>
CNM<B.C>
LED1~5< B.C>
LEV - A~E
TH - A~E
TB2B
TB3A
TB3B
TB3C
TB3D
TB3E
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,
(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.
Indoor unit - A Indoor unit - B Indoor unit - C Indoor unit - D Indoor unit - E
Setup of SW1
Make it the same setup as
former when exchanging PCB.
(PAC - AK50BC only)
TB3E
S1
TO INDOOR
S2
UNIT - E
S3
(PAC - AK50BC only)
TB3D
S1
TO INDOOR
S2
UNIT - D
S3
TB3C
S1
TO INDOOR
S2
UNIT - C
S3
TB3B
S1
TO INDOOR
S2
UNIT - B
S3
TB3A
S1
TO INDOOR
S2
UNIT - A
S3
TB2B
S1
TO OUTDOOR
S2
UNIT
S3
NAME
BRANCH BOX CONTROLLER BOARD
FUSE 250V 6.3A
SWITCH FOR SERVICE
CONNECTOR
Light emitting diode
Linear expansion valve
Thermistor
Pipe temp.detection / Gas
(0 °C / 15k , 25 °C / 5.4k
Terminal block / To outdoor unit
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
: connector.
ON
OFF
SW1 W
YLW
5
TB3E
ORN
3
(GRN)
BRN
1
YLW
5
TB3D
ORN
3
(BLK)
BRN
1
YLW
5
ORN TB3C
3
(BLU)
BRN
1
YLW
5
TB3B
ORN
3
(RED)
BRN
1
YLW
5
ORN TB3A
3
(WHT)
BRN
1
YLW
ORN
1
CN3C
BRN
(BLU)
3
3 F1
CND
(ORN)
1
TB1
)
LED1 LED2 LED3 LED4 LED5
TH-A
1 2 3 4 5 6 7
(WHT)
8 9 10 11 12 13 14
CNM
TH-B
(RED)
TH-C
(BLU)
TH-D
(BLK)
TH-E
(GRN)
LEV-A
(WHT)
LEV-B
(RED)
LEV-C
(BLU)
LEV-D
(BLK)
LEV-E
(GRN)
Esquemas eléctricos
1
TH - A
2
1
TH - B
2
1
TH - C
2
1
TH - D
2
PAC - AK50BC only
(
1
TH - E
2
LEV - A
6
1
6
LEV - B
6
1
6
LEV - C
6
1
6
LEV - D
6
1
6
(PAC - AK50BC
LEV - E
6
1
6
)
only)
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