Mitsubishi Electric PLA-RP·BA(2) Technical Data Book page 22

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> See Table 1.
SW2 SWITCH <CAPACITY CODE> See 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
MF
1 2 3
C
I.B
POWER
1 3 5
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.
1: When supplying power separately to indoor and outdoor units, refer to Fig 1.
2: For power supply system of this unit, refer to the caution label located near this diagram.
SYMBOL
C CAPACITOR <FAN MOTOR>
FAN MOTOR
MF
MV VANE MOTOR
TB2
TERMINAL BLOCK (HEATER) PKH-P.GALH
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>
CNDK CN2S
(RED) (WHT)
1 1
2 2
DC13.1V
3
POWER
1 3 1 3 1 2
CND
INDOOR/OUTDOOR
(ORN) POWER
COMMUNICATION
CN2D(WHT)
CN3C(BLU)
CN41
ZNR
CN51
INTAKE LIQUID PIPE
CN21
CN20 CN29
( RED ) ( WHT ) ( BLK )
1 2 1 2 1 2
TH2
TH1
FS1 FS2
H1
RED RED 5
1
WHT
2
GRN/YLW
SW2
Service board Service board
MODELS
1 2 3 4 5 1 2 3 4 5
PKA-RP50GAL
ON
PKH-P50GALH
OFF
: Connector,
NAME
TB4
YLW S1
TO
S2
ORN
OUTDOOR
S3
ORN
UNIT
BRN
VANE
1 3
6
CN6V
( GRN )
MV
CN2L
WIRELESS
CN90
( WHT )
CN32
REMOCON
CN22
( BLU )
1 2
2
TRANSMISSION WIRES DC12V
1
TH5
TB5
88H TB2
L
3 RED
POWER SUPPLY
N
BLU
~(1PHASE)
230V 50Hz
ON
OFF
: Terminal (block).
22
SYMBOL NAME
W.B
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>
R.B WIRED REMOTE CONTROLLER BOARD
HEATER
FS1 THERMAL FUSE <104 10A>
FS2 THERMAL FUSE <84 10A>
HEATER
H1
26H HEATER THERMAL SWITCH
88H HEATER CONTACTOR
1 (Fig.1)
TB2
L
RED
N
BLU
GRN/YLW
TB4
YLW
S1
ORN
S2
ORN
BRN S3
I.B
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.
POWER
SUPPLY
~(1PHASE)
230V 50Hz
TO
OUTDOOR
UNIT
W.B
1
TB6
2