Wiring Diagram - Mitsubishi Electric PCFY-P15NKMU-E Technical & Service Manual

4

WIRING DIAGRAM

PCFY-P15, 24, 30, 36NKMU-E
[LEGEND]
SYMBOL NAME
I. B INDOOR CONTROLLER BOARD
CN24 EXTERNAL HEATER
CONNECTOR
CN27 DAMPER
CN32 REMOTE SWITCH
CN51 CENTRALLY CONTROL
CN52 REMOTE INDICATION
DSA SURGE ABSORBER
FUSE FUSE (T6.3AL250V)
SW2 SWITCH CAPACITY CODE
SW3 MODE SELECTION
SW4 MODEL SELECTION
SWE DRAIN LIFT UP MECHANISM (TEST MODE)
X1 AUX. RELAY DRAIN LIFT UP MECHANISM (OPTIONAL PARTS)
ZNR01,02 VARISTOR
LEV LINEAR EXPANSION VALVE
MF FAN MOTOR
MV VANE MOTOR
MT I-SEE SENSOR MOTOR(OPTIONAL PARTS)
TB2
TERMINAL POWER SUPPLY
BLOCK
TRANSMISSION
TB5
TB15
MA-REMOTE CONTROLLER
THERMISTOR ROOM TEMP. DETECTION
TH21
(32°F/15ΚΩ, 77°F/5.4ΚΩ Detect)
A.B
MV
M
5
20 18 16 14 12 10 8 6
19 17 15 13 11 9 7 5
VANE CNV
I-SEE SENSOR MOTOR
CN6Y
(RED)
1 6
MA REMOCON
I-SEE SENSOR
CN4Y
(WHT)
1 4
LEV
CN60
1 (WHT)
CN52
(GRN)
1 5 1
4 5
6
M
I-SEE
SENSOR
MT
M
I-SEE SENSOR
(OPTIONAL PARTS)
LEV
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,
6.The setting of the SW2 dip switches differs in the capacity. For the detail, refer to fig.w1.
<w2>Use copper supply wires.
SYMBOL
TH22
THERMISTOR
TH23
ADDRESS BOARD
A. B
SWA SWITCH
SWC
SW1
SW11
SW12
SW14
OPTIONAL PARTS
W.B PCB FOR WIRELESS REMOTE CONTROLLER
BZ
BUZZER
LED1 LED (OPERATION INDICATION : GREEN)
LED2
LED (PREPARATION FOR HEATING : ORANGE)
RECEVING UNIT
RU
SW1 EMERGENCY OPERATION (HEAT / DOWN)
SW2
EMERGENCY OPERATION (COOL / UP)
DRAIN LIFT UP MECHANISM
DP
DRAIN FLOAT SWITCH
FS
4
(RED)
ADDRESS
CN43
SWA
1
8
SW1
3
ON
2
OFF
1
(RED)
1 2 3 4 5 6 7 8 910
ADDRESS
SW12 SW11 SW14
SWC CN82
2
1
10ths 1s BRANCH
1
DIGIT DIGIT No.
8
CN32
J42 J41
(WHT)
4 2
1 3 1
Pair No.
3 1 ADDRESS
CN81
(WHT) (RED)
LED2
CN3A
WIRELESS
(BLU)
CN90
1 3
(WHT)
1
6
CN41
CN51
(WHT)
(WHT)
5 1 4
9
TB15
BLU
TO MA-REMOTE
1 CNB
BLU CONTROLLER
2
DC8.7-13V
SW1
SW2
RU
W.B
(OPTIONAL PARTS)
LED on indoor board for service
NAME
PIPE TEMP. DETECTION / LIQUID
(32°F/15ΚΩ, 77°F/5.4ΚΩ Detect)
PIPE TEMP. DETECTION / GAS
(32°F/15ΚΩ, 77°F/5.4ΚΩ Detect)
CEILING HEIGHT SELECTOR
OPTION SELECTOR
MODE SELECTION
ADDRESS SETTING 1s DIGIT
ADDRESS SETTING 10ths DIGIT
BRANCH No.
<Fig. w1>
MODELS SW2 SW3
ON ON
P15
OFF OFF
1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10
ON
P24
OFF
1 2 3 4 5 6
ON
ON
P30
OFF
OFF
1 2 3 4 5 6
1 2 3 4 5 6 7 8 9 10
ON
P36
OFF
1 2 3 4 5 6
See fig. w 1
4
SW3 SW4 SW2
ON
OFF
8 1 4
1 2 3 4 5 6 7 8 910 1 2 3 4 5 1 2 3 4 5 6
ADDRESS
CN42
SWE
(RED)
OFF ON
9
LIQUID/PIPE FLOAT SW
CN44 CN4F
(WHT) (WHT)
1 4 1 4
BZ
When attaching
When attaching
drain lift up
drain lift up mechanism
LED2
mechanism
(optional parts)
t° t°
(optional parts),
1
LED1
FLOAT SW
remove the jumper
CN4F
connector CN4F
TH22 TH23 (WHT)
and fit the drain
float switch (FS).
: terminal block, : connecter.
11
Mark Meaning
Main Power supply (Indoor unit:208-230V)
LED1 Main power supply
power on → lamp is lit
Power supply for Power supply for MA-Remote controller
LED2
MA-Remote controller on → lamp is lit
TB5
BLU
TO OUTDOOR UNIT
M1
BC CONTROLLER
BLU
M2
REMOTE CONTROLLER
S
DC24-30V
(SHIELD)
1 3 5
ON
2 1
OFF
M-NET
DSA
CN2M
(BLU)
ZNR02
DC294~325V
U
RECTIFICATION
FUSE
U
ZNR01
CN24 CN25
(YLW) (WHT)
1 2 1 2
LED1
INTAKE FAN
CN27
CN20 CNMF
(RED) (WHT)
(RED)
1 2 1 2 7 4
1
MS
3~
t°
MF
4
w
Be sure to turn off the source power
and then disconnect fan motor connector.
TH21
FS
(Failure to do so will cause trouble in Fan motor)
Function
POWER SUPPLY
~208-230V 60Hz
BREAKER
(16A)
FUSE(16A)
<w2>
TB2
RED
PULL BOX
L1
BLU
L2
GRN/YLW
TO NEXT
GR
INDOOR UNIT
I.B
CND
(BLK)
X1
D.U.M
3 1
CNP
(BLU)
M
1~
DP
(OPTIONAL PARTS)