Mitsubishi Electric PLA-RP-BA Technical Data Book page 41

PCA-RP50GA PCA-RP50GA2 PCA-RP60GA
PCA-RP100GA PCA-RP125GA PCA-RP140GA
[LEGEND]
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)
P.B
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
LED3 LED2 LED1
SW2 SW1
SWE
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
1 2 3
( WHT )
When installing drain-up
machine (Optional part)
DS
PCH-P50~P140GAH
models only
H1 FS1
Table 1
SW1
Service board
MODELS
1 2 3 4 5
PCA-RP.GA
ON
PCH-P.GAH
OFF
Table 2
SW2
MODELS 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
SYMBOL
FAN MOTOR
MF
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
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
D.SENSOR INTAKE LIQUID PIPE
CN31 CN20 CN21 CN29
( WHT ) ( WHT )
( RED ) ( BLK )
1 2 3 1 2 1 2 1 2
1 2 1 2
TH1 TH2 TH5
[Servicing]
Fasten terminal of the terminal board "TB4" that 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
L
RED RED 5 3 RED
1
N
WHT BLU
2
GRN/YLW
HEATER
1 2
I.B
6
88H
Notes:
Service board
1. SymboIs used in wiring diagram above are,
1 2 3 4 5 2. Indoor and outdoor connecting wires have poIarities, make sure to match terminal
ON
numbers (S1, S2, S3) for correct wirings.
OFF
3. Since the outdoor side electric wiring may change, be sure to check the outdoor unit
1 2 3 4 5
electric wiring diagram for servicing.
ON
4. This diagram shows the wiring of indoor and outdoor connecting wires (specification
OFF
of 230V), adopting superimposed system of
1 2 3 4 5
power and signal.
ON
w1: When work to supply power separately to indoor and outdoor units was applied,
OFF
refer to Fig 1.
w2: For power supply system of this unit, refer to the caution label located near this
diagram.
PCA-RP71GA
NAME SYMBOL
W.B
HEATER
50~71 TYPE
VANE
6
6 6
CN6V
( GRN )
MV
100~140 TYPE
5
WIRELESS
CN90
9
( WHT )
CNB
REMOCON
BZ
CN22
( BLU )
RU
1 2
RECEIVER LED1 LED2 SW2 SW1
2
1 TRANSMISSION WIRES DC12V
TB5
R.B
W 1 (Fig.1)
POWER SUPPLY
~(1PHASE)
230V 50Hz
CN24
(YLW) I.B
26H
RED
6
1
GRY RED
5
41
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
HEATER CONTACTOR
88H
TB4
YLW S1
ORN S2
TO OUTDOOR UNIT
S3
ORN
BRN
6
MV
5
MV
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
TB2
L
RED
BLU N
GRN/YLW
TB4
YLW
S1
ORN
S2
ORN
BRN S3
1 3 1 3
POWER INDOOR/OUTDOOR
CND COMMUNICATION
(ORN) CN3C
(BLU)
: Connector,
POWER SUPPLY
~(1PHASE)
230V 50Hz
TO OUTDOOR UNIT
: Terminal (block).