Wiring Diagram - Mitsubishi Electric PCA-RP50GA Service Manual

8

WIRING DIAGRAM

PCA-RP50GA
PCA-RP71GA
PCA-RP50GA#1
PCA-RP71GA#1
PCH-P50GAH
PCH-P100GAH
SYMBOL NAME
P.B
INDOOR POWER BOARD
I.B INDOOR CONTROLLER BOARD
FUSE FUSE (T6.3AL250V)
ZNR VARISTOR
CN2L CONNECTOR(LOSSNAY)
CN32 CONNECTOR(REMOTE SWITCH)
CN41 CONNECTOR(HA TERMINAL-A)
CN51 CONNECTOR(CENTRALLY CONTROL)
SW1 SWITCH (MODEL SELECTION) See Table 1.
SW2 SWITCH (CAPACITY CODE) See Table 2.
SWE SWITCH(EMERGENCY OPERATION)
X1 RELAY(DRAIN PUMP)
X4 RELAY(FAN MOTOR)
BCR FAN CONTROL ELEMENT
LED1 POWER SUPPLY(I.B)
LED2 POWER SUPPLY(R.B)
LED3 TRANSMISSION(INDOOR-OUTDOOR)
C CAPACITOR(FAN MOTOR)
MF
1 2 3 (OPTION)
C
I.B
D.U.M
1 3 5 1 3
FAN
CNP
( WHT )
(BLU)
X4
BCR X1
X4
SWE SW2 SW1
ON
OFF
Refer to tables 1
and 2 for service PCB.
When installing optional
drain-up machine disconnect
the CN31 jumper connector
and replace it with the
CN31
drain sensor (DS).
DRAIN SENSOR
1 2 3
( WHT )
When installing drain-up
machine (Optional part).
DS
PCH-P50~P140GAH
models only
H1
1. When work to supply power separately to
Indoor and Outdoor unit was applied, refer to Fig 1.
2. For power supply system of this unit,
refer to the caution label located near this diagram.
Table 1
SW1
Service board
MODELS
1 2 3 4 5
PCA-RP.GA
ON
PCH-P.GAH
OFF
Downloaded from AC-Manual.com Manuals
PCA-RP50GA2
PCA-RP100GA
PCA-RP50GA2#1 PCA-RP60GA#1
PCA-RP100GA#1 PCA-RP125GA#1 PCA-RP140GA#1
PCH-P60GAH
PCH-P125GAH
SYMBOL
MF FAN MOTOR
MV VANE MOTOR
DP
DRAIN-UP MACHINE (OPTION)
DS DRAIN SENSOR (OPTION)
TB2
TERMINAL BLOCK (HEATER) PCH-P.GAH
models only or option for PCA RP.GA(2) models.
TB4 TERMINAL BLOCK(INDOOR/OUTDOOR CONNECTING LINE)
TB5,TB6 TERMINAL BLOCK(REMOTE CONTROLLER
TRANSMISSION LINE )
TH1 ROOM TEMP.THERMISTOR
(0 /15k , 25 /5.4k DETECT)
TH2 PIPE TEMP.THERMISTOR/LIQUID
(0 /15k , 25 /5.4k DETECT)
TH5 COND./EVA.TEMP.THERMISTOR
(0 /15k , 25 /5.4k DETECT)
R.B WIRED REMOTE CONTROLLER BOARD
P.B
CNDK CN2S
(RED) (WHT)
1 1
2 2
DC13.1V
3
DP
POWER POWER
1 3 1 3 1 2
CNDK CND
(RED) (ORN) POWER
CN2D(WHT)
ZNR
CN41
CN51
X1
LED3 LED2 LED1
D.SENSOR INTAKE LIQUID
CN31 CN20 CN21
( WHT ) ( RED ) ( WHT )
1 2 3 1 2 1 2
1 2
TH1 TH2
[Servicing]
Fasten terminal of the terminal board "TB4"equips lock system.
To remove the fastened terminal, pull it while pressing the protruding
portion (locking lever) of the terminal. The fastened terminal protruding
portion should face upward.
88H
FS1 FS2
RED RED 5 3
1
WHT
2
GRN/YLW
I.B
Table 2
SW2
Service board
MODELS
1 2 3 4 5
PCA-RP50GA PCA-RP100GA
ON
PCH-P50GAH PCH-P100GAH
OFF
PCA-RP50GA2
1 2 3 4 5
PCA-RP125GA
ON
PCA-RP60GA
PCH-P125GAH
OFF
PCH-P60GAH
1 2 3 4 5
PCA-RP71GA PCA-RP140GA
ON
PCH-P71GAH PCH-P140GAH
OFF
PCA-RP60GA
PCA-RP125GA
PCH-P71GAH
PCH-P140GAH
NAME SYMBOL
W.B
WIRELESS REMOTE CONTROLLER BOARD(OPTION)
RU RECEIVING UNIT
BZ
BUZZER
LED1 LED(RUN INDICATOR)
LED2 LED(HOT ADJUST)
SW1 SWITCH(HEATING ON/OFF)
SW2 SWITCH(COOLING ON/OFF)
HEATER
FS1,2 THERMAL FUSE(98 10A:50GAH/117 16A:100GAH
110 16A:60,71,125,140GAH)
H1 HEATER
26H HEATER THERMAL SWITCH
88H HEATER CONTACTOR
VANE
1 3
6 6
CN6V
INDOOR/OUTDOOR
( GRN )
MV
COMMUNICATION
CN3C(BLU)
CN2L
WIRELESS
CN90
9
CN32
( WHT )
PIPE REMOCON
CN29 CN22
( BLK ) ( BLU )
RU
1 2 1 2
RECEIVER LED1 LED2 SW2 SW1
2
1 TRANSMISSION WIRES DC12V
1 2
TB5
TH5
TB2
L
RED
POWER SUPPLY
BLU N
~(1PHASE)
230V 50Hz
HEATER
CN24
1 2
(YLW)
26H
RED
6
6 1
GRY RED
5
88H
NOTES:
1. Since the outdoor side electric wiring may change be sure to
Service board
MODELS
check the outdoor unit electric wiring for servicing.
1 2 3 4 5
2. Indoor and outdoor connecting wires are made with polarities, make
ON
OFF wiring matching terminal numbers (S1, S2, S3).
3. Make sure that the main power supply of the booster heater is
1 2 3 4 5
independent.
ON
OFF
4. Symbols used in wiring diagram above are,
1 2 3 4 5
ON
OFF
19 19
PCA-RP140GA
NAME
TB4
YLW S1
ORN S2
TO OUTDOOR UNIT
S3
ORN
BRN
50~71 TYPE
6 6
MV
100~140 TYPE
5 5
MV
CNB
BZ
Please set the voltage using the remote
controller.
For the setting method, please refer to
the indoor unit Installation Manual.
W.B
R.B
1 2
TB6
1 (Fig.1)
RED
BLU
GRN/YLW
YLW
ORN
ORN
BRN
I.B
1 3 1 3
POWER INDOOR/OUTDOOR
CND COMMUNICATION
(ORN) CN3C
(BLU)
: Connector, : Terminal (block).
TB2
L
POWER SUPPLY
N
~(1PHASE)
230V 50Hz
TB4
S1
S2
TO OUTDOOR UNIT
S3