Wiring Diagram - Mitsubishi Electric PLA-SP71BA.UK Service Manual

7

WIRING DIAGRAM

PLA-SP71BA.UK
[LEGEND]
SYMBOL NAME
I.B INDOOR CONTROLLER BOARD
CN2L CONNECTOR (LOSSNAY)
CN32 CONNECTOR (REMOTE SWITCH)
CN41 CONNECTOR (HA TERMINAL-A)
CN51 CONNECTOR (CENTRALLY CONTROL)
FUSE FUSE (T6.3AL250V)
LED1 POWER SUPPLY (I.B)
LED2 POWER SUPPLY (R.B)
LED3 TRANSMISSION (INDOOR-OUTDOOR)
SW1
SWITCH (MODEL SELECTION) See table 1
SW2
SWITCH (CAPACITY CODE) See table 2
SWE CONNECTOR (EMERGENCY OPERATION)
X1
RELAY (DRAIN PUMP)
DCL REACTOR
DP DRAIN PUMP
FS DRAIN FLOAT SWITCH
I.B
VANE CNV(WHT)
20 18 16 14 12 10 8 6 4
19 17 15 13 11 9 7 5 3
3
1 3
WIRELESS
AUTO GRILLE CN90
(WHT)
CN3G 1
(BLK)
9
CNB
5 5 5 5
BZ
SW1 LED2
M M M M
SW2 LED1
MV MV MV MV
RU
GRILLE
W.B
Notes: 1. SymboIs used in wiring diagram above are,
Terminal (block).
2. Indoor and outdoor connecting wires are made with poIarities, make
wiring matching terminal numbers (S1, S2, S3).
3. Since the outdoor side electric wiring may change be sure to check
the outdoor unit electric wiring for servicing.
4. This diagram shows the wiring of indoor and outdoor connecting
wires (specification of 230V), adopting superimposed system of
power and signal.
When work to Supply power separately to indoor and outdoor
•
units was applied, refer to Fig 1*.
For power supply system of this unit, refer to the caution label
•
located near this diagram.
Please set the voltage using the
remote controller.
For the setting method,please refer to
the indoor unit Installation Manual.
OCH565
PLA-SP100BA.UK
SYMBOL
MF FAN MOTOR
MV VANE MOTOR
TB2
TERMINAL BLOCK (Indoor unit Power (option))
TB4 TERMINAL BLOCK (INDOOR/OUTDOOR CONNECTING LINE)
TB5,TB6 TERMINAL BLOCK (REMOTE CONTROLLER
TRANSMISSION LINE)
TH1
ROOM TEMP. THERMISTOR
(0°C / 15kΩ, 25°C / 5. 4kΩ DETECT)
TH2 PIPE TEMP. THERMISTOR/LIQUID
(0°C / 15kΩ, 25°C / 5. 4kΩ DETECT)
TH5
COND. / EVA. TEMP. THERMISTOR
(0°C / 15kΩ, 25°C / 5. 4kΩ DETECT)
OPTION PART
PCB FOR WIRELESS REMOTE CONTROLLER
W.B
BZ BUZZER
LED1 LED (OPERATION INDICATION : GREEN)
LED2 LED (PREPARATION FOR HEATING : ORANGE)
RECEIVING UNIT
RU
SW1 EMERGENCY OPERATION (HEAT / DOWN)
SW2
EMERGENCY OPERATION (COOL / UP)
Refer to tables 1 and 2
TRANSMISSION
2 1
WIRES
TB6
DC12V
R.B
J41 J42 CN32
SW1 SW2
2 (WHT)
CN51(WHT)
1 Pair No.
5
CN41(WHT)
CN2L
2 1
4
LED3 LED2 LED1
SWE
ON
I-SEE I-SEE
SENSOR SENSOR MOTOR
CN4Y CN6Y
CN105
(WHT) (RED)
9 1 4 1 6 1 5
4 5
3
M
I-SEE
SENSOR
MT
U.B
I-SEE SENSOR
3 1
CORNER PANEL
(OPTION PART)
CN3G
AUTOMATIC FILTER ELEVATION PANEL
(OPTION PART)
:Connector,
PLA-SP125BA.UK
NAME
TB5
2
1
1 3
1 3
INDOOR/OUTDOOR
COMMUNICATION
CN3C
1
(BLU)
1 2
DC325V
REMOCON
CN22
1
RECTIFICATION
(BLU)
OFF
FLOAT SW LIQUID/PIPE INTAKE
FAN
CN4F CN44 CN20
CNMF
(WHT) (WHT) (RED) (WHT
1 4 1 4 1 2 7 4
MS
3~
t° t° t°
MF
FS TH2 TH5 TH1
5 3 1
Be sure to turn off the source power and then
CN3A
disconnect fan motor connector.
(Failure to do so will cause trouble in fan motor)
:
*Fig. 1
CN01
I.B
(BLK)
YLW
5
ORN
3
1
CN3C
(BLU)
3
1
INDOOR/OUTDOOR
COMMUNICATION
15
PLA-SP140BA.UK
<Table 1> SW1 (MODEL SELECTION)
SW1
MODELS Manufacture/Service
1 2 3 4 5
PLA-SP71/
ON
100/125BA
OFF
1 2 3 4 5
PLA-SP140BA
ON
OFF
<Table 2> SW2 (CAPACITY CODE)
SW2
MODELS Manufacture/Service MODELS
1 2 3 4 5
PLA-SP71BA PLA-SP125BA
ON
OFF
1 2 3 4 5
PLA-SP100BA PLA-SP140BA
ON
OFF
The black square ( ) indicates a switch position.
DCL
YLW
OUTDOOR
CN01
1 3 5
(BLK)
FUSE
YLW YLW
AUTO
GRILLE
ORN ORN
X1
D.U.M
POWER
CNP
CNAC
(BLU)
(WHT)
)
ORN
3 1
1 1 3
BRN
M
1~
DP
TB2
RED POWER SUPPLY
L
BLU ~(1PHASE)
N
230V 50Hz
GRN/YLW
TB4
YLW
ORN S1
ORN
S2
TO OUTDOOR UNIT
BRN
S3
Manufacture/Service
1 2 3 4 5
ON
OFF
1 2 3 4 5
ON
OFF
TB4
S1
TO
S2
OUTDOOR
S3
UNIT