Mitsubishi Electric PLA-RP-BA Technical Data Book page 47

PCA-RP50GA PCA-RP50GA2 PCA-RP60GA
PCA-RP100GA PCA-RP125GA PCA-RP140GA
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)
SWITCH (MODEL SELECTION) WSee Table 1.
SW1
SWITCH (CAPACITY CODE) WSee Table 2.
SW2
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
DP
I.B
D.U.M POWER
1 3 5 1 3
FAN
CNP CNDK
( WHT )
(BLU) (RED)
X4
BCR X1
X4 X1
SWE SW2 SW1
ON
OFF
Refer to tables 1
and 2 for service PCB.
WWhen installing optional
drain-up machine disconnect
the CN31 jumper connector
and replace it with the
CN31
drain sensor (DS).
DRAIN SENSOR
( WHT ) 1 2 3
When installing drain-up
machine (Optional part).
DS
PCH-P50~P140GAH
models only
H1 FS1
W1. When work to supply power separately to
Indoor and Outdoor unit was applied, refer to Fig 1.
W2. For power supply system of this unit,
refer to the caution label located near this diagram.
Table 1 Table 2
SW1
Service board
MODELS
1 2 3 4 5
PCA-RP50GA
PCA-RP.GA
ON
PCH-P50GAH
PCH-P.GAH
OFF
PCA-RP50GA2
PCA-RP60GA
PCH-P60GAH
PCA-RP71GA
PCH-P71GAH
Notes:
1. SymboIs used in wiring diagram above are,
2. Indoor and outdoor connecting wires have poIarities, make sure to match terminal numbers (S1, S2, S3) for correct wirings.
3. Since the outdoor side electric wiring may change, be sure to check the outdoor unit electric wiring diagram for servicing.
4. This diagram shows the wiring of indoor and outdoor connecting wires (specification of 230V), adopting superimposed system of
power and signal.
w1: When work to Supply power separately to indoor and outdoor units was applied, refer to Fig 1.
w2: For power supply system of this unit, refer to the caution label located near this diagram.
SYMBOL
MF FAN MOTOR
MV
VANE MOTOR
DP
DRAIN-UP MACHINE (OPTION)
DS DRAIN SENSOR (OPTION)
TERMINAL BLOCK (HEATER) WPCH-P.GAH
TB2
models only or option for PCA RP.GA 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
POWER
1 3 1 3 1 2 1 3
CND
INDOOR/OUTDOOR
(ORN) POWER
COMMUNICATION
CN2D(WHT)
CN3C(BLU)
CN41 CN2L
ZNR
CN51 CN32
LED3 LED2 LED1
D.SENSOR LIQUID
INTAKE PIPE
CN31 CN21
CN20 CN29
( WHT ) ( RED ) ( WHT ) ( BLK )
1 2 3 1 2 1 2 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 TB2
FS2
RED RED 5 3 RED
1
WHT BLU
2
GRN/YLW
1
I.B
6
SW2
Service board
MODELS MODELS
1 2 3 4 5
PCA-RP100GA
ON
PCH-P100GAH
OFF
1 2 3 4 5
PCA-RP125GA
ON
PCH-P125GAH
OFF
1 2 3 4 5
PCA-RP140GA
ON
PCH-P140GAH
OFF
: Connector,
PCA-RP71GA
NAME
W.B
HEATER
50~71 TYPE
VANE
6
6 6
CN6V
( GRN )
MV
100~140 TYPE
5
WIRELESS
CN90
9
( WHT )
REMOCON
BZ
CN22
( BLU )
RU
1 2
RECEIVER LED1 LED2 SW2 SW1
2
1 TRANSMISSION WIRES DC12V
TB5
R.B
TH5
L
POWER SUPPLY
N
~(1PHASE)
230V 50Hz
HEATER
CN24
2
(YLW)
26H
RED
6
1
GRY RED
5
88H
Service board
1 2 3 4 5
ON
OFF
1 2 3 4 5
ON
OFF
1 2 3 4 5
ON
OFF
: Terminal (block).
47
SYMBOL NAME
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)
FS1,2
THERMAL FUSE(98;10A:50GAH/117;16A:100GAH
110;16A:60,71,125,140GAH)
H1 HEATER
HEATER THERMAL SWITCH
26H
88H HEATER CONTACTOR
TB4
YLW S1
S2
ORN
TO OUTDOOR UNIT
S3
ORN
BRN
6
MV
5
MV
CNB
Please set the voltage using the remote
controller.
For the setting method, please refer to
the indoor unit Installation Manual.
W.B
1 2
TB6
W 1 (Fig.1) TB2
RED
BLU
GRN/YLW
TB4
YLW
ORN
ORN
BRN
I.B
1 3 1 3
POWER
INDOOR/OUTDOOR
CND
COMMUNICATION
(ORN) CN3C
(BLU)
L
POWER SUPPLY
N
~(1PHASE)
230V 50Hz
S1
S2
TO OUTDOOR UNIT
S3