Wiring Diagram - Mitsubishi Electric PLA-RP1.6AA Service Manual

WIRING DIAGRAM

8
PLA-RP1.6AA.UK PLA-RP2AA.UK
PLA-RP3AA.UK PLA-RP4AA.UK
PLA-RP3AA .UK PLA-RP4AA
1
[LEGEND]
SYMBOL NAME
P.B INDOOR POWER BOARD
F1 FUSE (4A)
ZNR VARISTOR
I.B INDOOR CONTROLLER BOARD
CONNECTOR (LOSSNAY)
CN2L
CN32 CONNECTOR (REMOTE SWITCH)
CONNECTOR (HA TERMINAL-A)
CN41
SW1 JUMPER WIRE (MODEL SELECTION)
JUMPER WIRE (CAPACITY CORD)
SW2
SWITCH (EMERGENCY OPERATION)
SWE
RELAY (DRAIN PUMP)
X1
RELAY (FAN MOTOR)
X4
FC FAN PHASE CONTROL
POWER SUPPLY (I.B)
LED1
POWER SUPPLY (I.B)
LED2
LED3 TRANSMISSION (INDOOR-OUTDOOR)
CAPACITOR (FAN MOTOR)
C
MF
FAN MOTOR
MV MV
5
MF
1 2
1 2 3
1 2 3
DP
C
I.B
D.U.M
1 3 5 1 3
FAN
CNP
(WHT)
(BLU)
X4
FC
X1
X4 X1
SWE SW2
SW1
ON
OFF
DS
NOTES:
1.Since the outdoor side electric wiring may change be sure to
check the outdoor unit electric wiring for servicing.
2.Indoor and outdoor connecting wires are made with polarities, make
wiring matching terminal numbers (S1,S2,S3).
3.Symbols used in wiring diagram above are,
[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.
SW1
MODELS Manufacture
PLA-RP1.6,2,2.5AA.UK
PLA-RP3,4,5,6AA.UK
J11J12J13J14 J15
PLA-RP3,4,5,6AA .UK
1
PLA-RP2.5AA.UK
PLA-RP5AA.UK
.UK PLA-RP5AA
1
SYMBOL
MV VANE MOTOR
DP DRAIN PUMP
DS DRAIN SENSOR
H2 DEW PREVENTION HEATER
TERMINAL BLOCK (INDOOR/OUTDOOR CONNECTING LINE)
TB4
TB5
TERMINAL BLOCK (REMOTE CONTROLLER
TRANSMISSION LINE)
ROOM TEMPERATURE THERMISTOR
TH1
(0:/15kΩ, 25:/5.4kΩ DETECT)
PIPE TEMPERATURE THERMISTOR/LIQUID
TH2
(0:/15kΩ, 25:/5.4kΩ DETECT)
COND./EVA. TEMPERATURE THERMISTOR
TH5
(0:/15kΩ, 25:/5.4kΩ DETECT)
REMOTE CONTROLLER BOARD
R.B
CONNECTOR (PROGRAM TIMER)
CN2
TB6 TERMINAL BLOCK (REMOTE CONTROLLER
TRANSMISSION LINE)
GRILLE
MV MV
5
5 5
H2
5
4 9 10
3 6 7 8 5
D.HEATER
1 3 1 3 5 1 2
CNC (RED)
POWER
CN03
(RED)
CN41
LED3 LED2 LED1
PIPE
D.SENSOR INTAKE LIQUID
CN31 CN20 CN21 CN29
(BLK)
(WHT) (RED) (WHT)
1 2 3 1 2 1 2 1 2
TH1
TH5
TH2
:Connector,
Service board MODELS
1 2 3 4 5
PLA-RP1.6AA.UK
ON
OFF
PLA-RP2AA.UK
PLA-RP2.5AA.UK
PLA-RP3AA.UK
PLA-RP3AA .UK
1
PLA-RP6AA.UK
.UK PLA-RP6AA
1
NAME SYMBOL
W.B
CN2S(WHT)
F1
2
DC14V
1
ZNR
3 1
2 2
1 3
CONTROLLER BOARD OUTDOOR UNIT
CN02 (WHT) CN01 (BLU)
5
VANE
POWER
CN6V
CN2D
(WHT)
(WHT)
CN2L
W.B
CN32
9
REMOCON
CNB
CN22
(BLU) WIRELESS
CN90
1 2
(WHT)
TB5
2
1
TRANSMISSION
WIRES DC12V
Please set the voltage using
the remote controller.
For the setting method, please
:Terminal (block).
refer to the indoor unit Installation
Manual.
SW2
Manufacture Service board MODELS
1 2 3 4
PLA-RP4AA.UK
ON
PLA-RP4AA
OFF
J21 J22 J23 J24
1 2 3 4
ON PLA-RP5AA.UK
OFF
J21 J22 J23 J24
PLA-RP5AA
1 2 3 4
PLA-RP6AA.UK
ON
OFF
PLA-RP6AA
J21 J22 J23 J24
1 2 3 4
ON
OFF
J21 J22 J23 J24
61
.UK
1
NAME
WIRELESS REMOTE CONTROLLER BOARD
RECEIVING UNIT
RU
BZ BUZZER
LED (RUN INDICATOR)
LED1
LED (HOT ADJUST)
LED2
SW1 SWITCH (HEATING ON/OFF)
SW2 SWITCH (COOLING ON/OFF)
P.B
TB4
YLW S1
ORN S2
BRN S3
TO OUTDOOR UNIT
BZ
LED1
LED2
RU
SW1 SW2
R.B
CN2
1 2
TB6
C
TB4
Manufacture Service board
1 2 3 4
ON
.UK
1
OFF
J21J22J23 J24
1 2 3 4
ON
OFF
J21 J22 J23 J24
.UK
1
1 2 3 4
ON
OFF
.UK J21J22J23 J24
1