Mitsubishi Electric PLA-RP-BA Technical Data Book page 39

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
MF
1 2 3
C
I.B
POWER
1 3 5 1 3
FAN
CNDK
( WHT )
(RED)
X4
BCR
X4
LED3 LED2 LED1
SW2 SW1
SWE
ON
OFF
Refer to tables 1
and 2 for service PCB.
PKH-P50GALH 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-RP50GAL
ON
PKH-P50GALH
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 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
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
(RED) (WHT)
1 1
2 2
DC13.1V
3
POWER
1 3 1 2 1 3
CND
INDOOR/OUTDOOR
(ORN) POWER
COMMUNICATION
CN2D(WHT)
CN3C(BLU)
CN41 CN2L
ZNR
CN51 CN32
INTAKE LIQUID 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
SW2
Service board
1 2 3 4 5
ON
OFF
: Connector,
NAME
W.B
R.B
HEATER
TB4
YLW S1
TO
S2
ORN
OUTDOOR
S3
ORN
UNIT
BRN
VANE
I.B
6
CN6V
( GRN )
MV
WIRELESS
CN90
( WHT )
REMOCON
CN22
( BLU )
1 2
2
1 TRANSMISSION WIRES DC12V
TH5
TB5
TB2
L
3 RED
POWER SUPPLY
N
BLU
~(1PHASE)
230V 50Hz
: Terminal (block).
39
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
HEATER THERMAL SWITCH
26H
88H HEATER CONTACTOR
w1 (Fig.1)
TB2
L
RED
N
BLU
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.
POWER
SUPPLY
~(1PHASE)
230V 50Hz
TO
OUTDOOR
UNIT
W.B
1
TB6
2