Pmfy-P20Vbm-Er4 - Mitsubishi Electric PMFY Series Technical & Service Manual

PMFY-P20VBM-ER4

TO OUTDOOR UNIT
TO MA-REMOTE BC CONTROLLER
CONTROLLER REMOTE CONTROLLER
DC8.7-13V DC24-30V
TB15
1 2 M1 M2
M
MV
*See fig : *1
■
The black square ( ) indicates a
switch position. < >
*1
SW2
MODELS
ON ON
P20VBM
OFF OFF
123456
ON ON
P25VBM
OFF OFF
123456
ON ON
P32VBM
OFF OFF
123456
ON ON
P40VBM
OFF OFF
123456
[LEGEND]
SYMBOL NAME
I.B INDOOR CONTROLLER BOARD
CN25 CONNECTOR HUMIDIFIER
CN27 DAMPER
CN32 REMOTE SWITCH
CN51 CENTRALLY CONTROL
CN52 REMOTE INDICATION
CN105 IT TERMINAL
SW2 SWITCH CAPACITY CORD
SW3 MODE SELECTION
SW4 MODEL SELECTOR
SWE DRAIN UP MACHINE (TEST MODE)
FUSE FUSE (T6.3AL 250V)
X1 AUX.RELAY DRAIN PUMP
LED1 POWER SUPPLY (I.B)
LED2 POWER SUPPLY (I.B)
MF FAN MOTOR
MV VANE MOTOR
DP DRAIN PUMP
OC307E
PMFY-P25VBM-ER4
FUSE BREAKER
PULL BOX
(15A)
TO NEXT
INDOOR
UNIT
TB5
S
L N
TB2
(SHIELD)
BLK
CND (BLK)
1 3 5
FUSE
8 6 4 2
CNMF2
(WHT)
7 5 3 1
MF
MS 5
3~
BLU
CN2M
1
BLU
(BLU)
2
M-NET
LED2
ORN
CN3A
1
(BLU)
ORN
REMOCON
3
4
CN42
CN6V1
(RED)
(GRN)
ADDRESS
1
VANE
5
GRN
1
YLW
1 3
CN32 (WHT)
ORN
REMOTE SWITCH
RED
BRN
SW2
6
1 2 3 4 5 6 7 8 910
1 2 3 4 5 6
A.B
SW5
220V
SW3
SW1
1234567 8 9 10
1 2 3 4 5 6 7 8 910
1234567 8 9 10
SW12
123456 7 8 9 10
10ths
123456 7 8 9 10
DIGIT
SYMBOL NAME
DS DRAIN SENSOR
TB2 TERMINAL POWER SUPPLY
TB5 BLOCK TRANSMISSION
TB15 MA-REMOTE CONTROLLER
TH21 THERMISTOR ROOM TEMP. DETECTION
(0°C/15kΩ, 25°C/5.4kΩ)
TH22 PIPE TEMP. DETECTION / LIQUID
(0°C/15kΩ, 25°C/5.4kΩ)
TH23 PIPE TEMP. DETECTION / GAS
(0°C/15kΩ, 25°C/5.4kΩ)
LEV LINEAR EXPANSION VALVE
A.B CIRCUIT BOARD
SW1 SWITCH MODE SELECTION
SW5 VOLTAGE SELECTION
SW11 ADDRESS SETTING 1s DIGIT
SW12 ADDRESS SETTING 10ths DIGIT
SW14 BRANCH No.
PMFY-P32VBM-ER4
(15A)
POWER SUPPLY
~ / N
220-240V 50Hz
220V 60Hz
X1
1
3
CNP
(YLW)
D.U.M
1
2
CNMF1
(WHT)
CN105
(RED)
INTAKE
1 5
SWE
CN41
ON OFF
(WHT)
CN51 (WHT)
CENTRALLY
CONTROL
ADDRESS
SW3 SW4
CN81 (RED)
1 8
1 2 3 4 5
4
4
(RED)
240V
ADDRESS
CN43
8
1
(RED)
ADDRESS
SW11 SW14
SWC
CN82
2
1
1s BRANCH
1
No.
DIGIT
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 controller wire is non-polar.)
3. In case of using M-NET, please connect to TB5. (Transmission line is non-polar.)
4. Symbol [S] of TB5 is the shield wire connection.
5. Symbols used in wiring diagram above are,
:connecter.
6. The setting of the SW2 dip switches differs in the capacity. For the detail,
refer to the table below.
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.
LED on indoor board for service
Mark
LED1 Main power supply
Power supply for
LED2
MA-Remote controller
20
PMFY-P40VBM-ER4
I.B
BLU
M
1~
BLU
DP
LED1
CN31 DS
3
t°
(WHT)
DRAIN
1
BRN
6
RED
CN60 BLU
M
(WHT) ORN
LEV YLW
LEV
WHT
1
CN20
2
(RED)
t° TH21
1
4
t° TH23
2
CN25
t°
TH22
1
(WHT)
1
CN44
2
4
(WHT)
1
LIQUID
CN27
/GAS
1
(RED)
1
5
5
CN52
(GRN)
REMOTE
INDICATION
1
8
Meaning Function
Main power supply (Indoor unit:220-240V)
Power on → Iamp is lit
Power supply for MA-Remote controller
on → Iamp is lit
: terminal block,