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Mitsubishi Electric PLA-RP-BA Technical Data Manual Page 62

Mitsubishi electric split-type, heat pump air conditioners.
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PKA-RP35GAL
PKA-RP50GAL
[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>
SW1 SWITCH <MODEL SELECTION>wSee Table 1.
SW2 SWITCH <CAPACITY CODE>wSee Table 2.
SWE SWITCH <EMERGENCY OPERATION>
X4
RELAY <FAN MOTOR>
BCR
FAN CONTROL ELEMENT
LED1 POWER SUPPLY <I.B>
LED2
POWER SUPPLY <R.B>
LED3
TRANSMISSION <INDOOR-OUTDOOR>
P.B
CNDK
(RED)
MF
1
2 3
C
I.B
POWER
1 3 5
1 3
FAN
CNDK
( WHT )
(RED)
X4
BCR
X4
LED3 LED2 LED1
SWE
SW2
SW1
ON
OFF
Refer to tables 1
and 2 for service PCB.
PKH-P35,50GALH models only
HEATER
CN24
1
2
(YLW)
I.B
26H
RED
6
6
1
GRY
RED
5
88H
SW1
Service board
MODELS
1 2 3 4 5
PKA-RP35GAL
ON
PKH-P35GALH
OFF
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 supplying power separately to indoor and outdoor units, refer to Fig 1.
w2: For power supply system of this unit, refer to the caution label located near this diagram.
SYMBOL
C
CAPACITOR <FAN MOTOR>
MF
FAN MOTOR
MV
VANE MOTOR
TERMINAL BLOCK (HEATER) wPKH-P.GALH
TB2
models only or option for PKA-RP.GAL models.
TB4
TERMINAL BLOCK <INDOOR/ OUTDOOR
CONNECTING LINE>
TB5,TB6
TERMINAL BLOCK <REMOTE CONTROLLER
TRANSMISSION LINE> <OPTION>
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>
CN2S
(WHT)
1
1
2
2
DC13.1V
3
POWER
1 3
1 2
1 3
CND
(ORN)
INDOOR/OUTDOOR
POWER
COMMUNICATION
CN2D(WHT)
CN3C(BLU)
CN41
CN2L
ZNR
CN51
CN32
LIQUID
INTAKE
PIPE
CN20
CN21
CN29
( RED )
( WHT )
( BLK )
1 2
1 2
1 2
TH2
TH1
88H
H1
FS1
FS2
RED
RED 5
1
WHT
2
GRN/YLW
Service board
1 2 3 4 5
: Connector,
NAME
W.B
R.B
HEATER
TB4
YLW
S1
TO
ORN
S2
OUTDOOR
S3
ORN
UNIT
BRN
VANE
I.B
6
CN6V
( GRN )
MV
WIRELESS
CN90
( WHT )
REMOCON
CN22
( BLU )
1 2
2
TRANSMISSION WIRES DC12V
1
TH5
TB5
TB2
L
3
RED
POWER SUPPLY
N
BLU
~(1PHASE)
230V 50Hz
SW2
Service board
MODELS
1 2 3 4 5
PKA-RP50GAL
ON
PKH-P50GALH
OFF
: Terminal (block).
62
SYMBOL
NAME
WIRELESS REMOTE CONTROLLER BOARD
RU
RECEIVING UNIT
BZ
BUZZER
LED1
LED <RUN INDICATOR>
LED2
LED <HOT ADJUST>
SW1
SWITCH (HEATING ON/ OFF>
SW2
SWITCH (COOLING ON/ OFF>
WIRED REMOTE CONTROLLER BOARD
THERMAL FUSE <104:10A>
FS1
FS2
THERMAL FUSE <84:10A>
H1
HEATER
26H
HEATER THERMAL SWITCH
88H
HEATER CONTACTOR
w1 (Fig.1)
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)
9
CNB
BZ
RU
RECEIVER
LED1 LED2 SW2 SW1
R.B
Please set the voltage using the
remote controller.
For the setting method, please refer to
the indoor unit Installation Manual.
ON
OFF
POWER
SUPPLY
~(1PHASE)
230V 50Hz
TO
OUTDOOR
UNIT
W.B
1
TB6
2

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