Mitsubishi city multi PKFY-08NAMU-A Technical & Service Manual page 25

PKFY-20NFMU-A
[LEGEND]
SYMBOL NAME
INDOOR CONTROLLER BOARD
I.B
CN32 CONNECTOR REMOTE SWITCH
CN41 HA TERMINAL-A
CN51 CENTRALLY CONTROL
CN52 REMOTE INDICATION
F.C FAN PHASE CONTROL
FUSE FUSE (6A/250V)
SW2 SWITCH CAPACITY CODE
SW3 MODE SELECTION
SW4 MODEL SELECTION
X4 AUX. RELAY (FAN MOTOR)
ZNR VARISTOR
MF
C
I.B
FAN 1 3 5 CND
1 3
(WHT)
(RED)
X4
F.C
X4 ZNR
VANE ADDRESS
CN6V(GRN) CN81(RED)
6 5 4 3 2 1 8 7 6 5
MV
A.B
5VDC SUPPLY
4
SW5
3
ADDRESS
230V
208V
CN43(RED)
2
SW1
1
8
ON
7
ADDRESS
OFF
CN82(RED)
1 2 3 4 5 6 7 8 9 10 6
5
SW14
SW12 SW11 SWC
4
0
2
0 0
0
3
1
2
CONNECTION
3RD 2ND 1ST
1
DIGIT DIGIT DIGIT NO.
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.
(Transmisson line is non-polar.)
4. Symbol[S] of TB5 is the shield wire connection.
5. Symbols used in wiring diagram above are,
6. The setting of the SW2 / SW3 / SW4 dip switches differs in the capacity for the detail,refer to the fig:w1.
7. Please set the switch SW5 according to the power supply voltage.
Set SW5 to 230V side when the power supply is 230 volts.
When the power supply is 208 volts,set SW5 to 208V side.
LED on indoor board for service
Mark Meaning
LED1 Main power supply
Power supply for
LED2
MA-Remote controller
PKFY-32NFMU-A
SYMBOL
CAPACITOR (FAN MOTOR)
C
LINEAR EXPANSION VALVE
LEV
MF
FAN MOTOR(WITH INNER THERMOSTAT)
VANE MOTOR
MV
INDOOR POWER BOARD
P.B
TB2
TERMINAL
TB5
BLOCK
TB15
THERMISTOR
TH21
TH22
CNDK
1 3
(RED)
FUSE
250V
6A
REMOTE CENTRALLY
INDICATION CONTROL
CN52(GRN) CN51(WHT)
5 1 5
SW2
ADDRESS
CN42(RED)
0N
0FF
4 3 2 1 4 3 2 1
1 2 3 4 5 6 1
8 4
See fig:w1
<fig:w1>
Models
PKFY-20NFMU-A
PKFY-32NFMU-A
:terminal block,
Function
Main power supply(Indoor unit:208-230V)
power on lamp is lit
Power supply for MA-Remote controller
on lamp is lit
OC292-23
NAME
POWER SUPPLY
TRANSMISSION
MA-REMOTE CONTROLLER
ROOM TEMPERATURE DETECTION
(32°F/15kΩ,77°F/5.4kΩ)
PIPE TEMPERATURE DETECTION/LIQUID
(32°F/15kΩ,77°F/5.4kΩ)
P.B
AC208-230V DC13.1V
(RED)
TRANS
CNSK
3
2
1
LED1
HA DRAIN
CN31(WHT)
CN41(WHT)
3 2 1
4 1
REMOTE
LEV
SWITCH
CN60(WHT) CN32(WHT)
3
6 5 4 3 2 1 1
1
(WHT)
(RED)
SW3
SW4
LIQUID
INTAKE
0N
CN20
0FF
2 1
2 3 4 5 6 7 8 9 10
12345
6
LEV TH21
SW2 SW3
ON ON
OFF OFF
1 2 3 4 5 6 1 2 3 4
ON ON
OFF OFF
1 2 3 4 5 6 1 2 3 4
:connecter.
SYMBOL NAME
THERMISTOR
TH23
PIPE TEMPERATURE DETECTION/GAS
(32°F/15kΩ,77°F/5.4kΩ)
CIRCUIT BOARD (ADDRESS)
A.B
SW1 SWITCH MODE SELECTION
SW5 VOLTAGE SELECTION
SW11 ADDRESS SETTING 1ST DIGIT
ADDRESS SETTING 2ND DIGIT
SW12
SW14 CONNECTION No.
SWC OPTION SELECTOR
TO NEXT INDOOR UNIT
TB2
RED
L1
BLU
L2
GRN/YLW
GR
(WHT)
CN2S
2
1
POWER SUPPLY
BLK
~/N 208-230V 60Hz
1
CN2D
WHT
(WHT)
2
TB5
TO OUTDOOR UNIT
BC CONTROLLER
BLU M1
M-NET
1
REMOTE CONTROLLER
CN2M M2
BLU
2
DC24-30V
(BLU)
S(SHIELD)
TB15
TO MA-REMOTE
CN3A ORN
1
1
(BLU) CONTROLLER
ORN
2
3
DC8.7-13V
(BLK)
GAS
CN21 CN29
LED2
2 1 2 1
TH22 TH23
SW4
ON
OFF
5 6 7 8 910 1 2 3 4 5
ON
OFF
5 6 7 8 910 1 2 3 4 5
PULL BOX
FUSE(15A)
BREAKER
(15A)