Service manual
18
FAN
(WHT)
LED1
LED2
CN2M
(BLU)
M-NET
BLU
BLU
TB5
TB2
PULL BOX
FUSE
(15A)
BREAKER
(15A)
(SHIELD)
TO OUTDOOR UNIT
BC CONTROLLER
REMOTE CONTROLLER
DC24-30V
CN3A
(BLU)
REMOCON
ORN
ORN
TB15
TO MA-
REMOTE CONTROLLER
DC8.7-13V
POWER SUPPLY
~ / N
220-240V 50Hz
220V 60Hz
TO NEXT
INDOOR UNIT
CN29
(BLK)
GAS
CN21
(WHT)
LIQUID
CN20
(RED)
INTAKE
CN60
(WHT)
LEV
CN52
(GRN)
REMOTE
INDICATION
CN6V
(GRN)
VANE
CN31
(WHT)
DRAIN
CN25
CN27
12345678910
SW3
123456
SW2
12345
SW4
ON
OFF
ON
OFF
(RED)
ADDRESS
CN81
(RED)
ADDRESS
CN42
(WHT)
REMOTE
SWITCH
CN32
M
1~
DP
X1
CNP
(YLW)
D.U.M
CND
(RED)
POWER
FUSE
T
RED
BLU
BLU
BLU
BRN
RED
ORN
YLW
GRN
BLU
BRN
ORN
YLW
RED
WHT
CN51
(WHT)
CENTRALLY
CONTROL
1
5
RED
BLU
GRN / YLW
*See fig :+1
8
4
SW14
SWC
BRANCH
No.
SW11
1s
DIGIT
SW12
10ths
DIGIT
12345678910
SW1
SW5
240V220V
(RED)
ADDRESS
CN82
(RED)
ADDRESS
CN43
A.B
I.B
MODELS
P20VBM
SW2
123456
ON
OFF
P25VBM
123456
ON
OFF
P32VBM
123456
ON
OFF
P40VBM
123456
ON
OFF
SW3
1234567
ON
OFF
1234567
ON
OFF
123456
ON
OFF
123456
7
7
8
8
8
8
9
9
9
9
10
10
10
10
ON
OFF
<+1>
[LEGEND]
SYMBOL NAME
I.B INDOOR CONTROLLER BOARD
CN25
CN27
CN32
CN51
CN52
SW2
SW3
SW4
CONNECTOR
HUMIDIFIER
DAMPER
REMOTE SWITCH
CENTRALLY CONTROL
REMOTE INDICATION
SWITCH CAPACITY CODE
MODE SELECTION
MODEL SELECTOR
ZNR VARISTOR
X1 AUX.RELAY DRAIN PUMP
FUSE FUSE (6.3A / 250V)
LED1
POWER SUPPLY(I.B)
LED2
POWER SUPPLY(I.B)
T TRANSFORMER
SYMBOL NAME
TH21
DS
MF
MV
DP
THERMISTOR
ROOM TEMP. DETECTION
(0/15k
,
25/5.4k
)
PIPE TEMP. DETECTION / LIQUID
(0/15k
,
25/5.4k
)
PIPE TEMP. DETECTION / GAS
(0/15k
,
25/5.4k
)
TH22
TH23
DRAIN SENSOR
FAN MOTOR
VANE MOTOR
DRAIN PUMP
TB2
TB5
TB15
TRANSMISSION
MA-REMOTE CONTROLLER
TERMINAL
BLOCK
POWER SUPPLY
A.B CIRCUIT BOARD
SW1
SW5
SW11
SW12
MODE SELECTION
VOLTAGE SELECTION
ADDRESS SETTING 1s DIGIT
ADDRESS SETTING 10ths DIGIT
SW14 BRANCH No.
SWITCH
LEV LINEAR EXPANSION VALVE
MF
1
63
MS
3~
LN
M1 M2
S
12
13
1 2
3
1
2
1
2
1
DS
TH23
TH22
2
1
6
1
TH21
t°
LEV
t°
t°
t°
M
MV
6
1
1
5
1
5
2
1
2
1
M
843 11 1
8
1
4
1
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
1
3
3
1
U
The black square (
■
) indicates a
switch position.
Mark Meaning Function
Power supply for
MA-Remote controller
Main power supply (Indoor unit:220-240V)
Power on Lamp is lit.
LED on indoor board for service
LED1 Main power supply
Power supply for MA-Remote controller
on Lamp is lit.
LED2
NOTES:
1. At servicing for outdoor unit, always follow the wiring diagram of outdoor unit.
2. In case of using MA-Remote controller, please connect to TB15.
(Remote controllerwire is non-polar.)
3. In case of using M-NET, please connect to TB5. (Transmission wire is non-polar.)
4. Symbol [S] of TB5 is the shield wire connection.
5. Symbols used in wiring diagram above are, :terminal block, :connector.
6. The setting of the SW2 dip switches differs in the capacity. For the detail, refer to
the table above.
7. Please set the switch SW5 according to the power supply voltage. Set SW5 to
240V side when the power supply is 230 and 240 volts. When the power supply is
220 volts, set SW5 to 220V side.
PMFY-P20VBM-E1 PMFY-P25VBM-E1 PMFY-P32VBM-E1 PMFY-P40VBM-E1
OC307E