Wiring Diagram - Mitsubishi Electric PLA-RP·BA Technical Data Book

4

WIRING DIAGRAM

4-1. INDOOR UNIT
PLA-RP50BA
PLA-RP71BA2
[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 CORD) See table 2
SWE
CONNECTOR (EMERGENCY OPERATION)
X1 RELAY (DRAIN PUMP)
DCL REACTOR
DP DRAIN-UP MACHINE
FS DRAIN FLOAT SWITCH
MF FAN MOTOR
MV VANE MOTOR
I.B
VANE CNV(WHT)
20 18 16 14 12 10 8 6 4 2
19 17 15 13 11 9 7 5 3 1
LED3
3
I-SEE SENSOR
WIRELESS
1 3
CN90
AUTO GRILLE
(WHT)
CN3G 1 9
(BLK)
5 5 9
CNB
BZ
5 5
M M
SW1 LED2
MV MV
M M
SW2 LED1
MV MV
RU
GRILLE W.B
Notes:
1.SymboIs used in wiring diagram above are,
Terminal (block).
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 for
power and signal.
1:If indoor and outdoor units have separate power supplies,
refer to Fig 1.
2:For power supply system of this unit, refer to the caution label
located near this diagram.
PLA-RP60BA
PLA-RP100BA3
SYMBOL
TB2
TERMINAL BLOCK (Indoor unit Power (option))
TB4 TERMINAL BLOCK (INDOOR/OUTDOOR CONNECTING LINE)
TERMINAL BLOCK (REMOTE CONTROLLER
TB5,TB6
TRANSMISSION LINE)
TH1 ROOM TEMP. THERMISTOR
(0 / 15k , 25
TH2 PIPE TEMP. THERMISTOR/LIQUID
(0 / 15k , 25
TH5
COND. / EVA. TEMP. THERMISTOR
(0 / 15k , 25
OPTION PART
W.B PCB FOR WIRELESS REMOTE CONTROLLER
BZ BUZZER
LED1 LED (OPERATION INDICATION : GREEN)
LED2 LED (PREPARATION FOR HEATING : ORANGE)
RU RECEIVING UNIT
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
(WHT)
CN51(WHT)
Pair No.
5
CN41(WHT)
CN2L
2 1
4
LED2 LED1
SWE
ON OFF
AUTO GRILLE
I-SEE
FLOAT SW
POWER
SENSOR MOTOR
CNAC CN4F
CN4Y
CN6Y
(WHT) (WHT) (WHT)
(RED)
1 4 1 6 3 1 1
4 5 3
FS
M
I-SEE
SENSOR
U.B
MT
3 1
5 3 1
I-SEE SENSOR
CORNER PANEL
CN3G
CN3A
(OPTION PART)
AUTOMATIC FILTER ELEVATION PANEL
(OPTION PART)
: Connector, :
PLA-RP71BA PLA-RP100BA
PLA-RP125BA2 PLA-RP140BA2
<Table 1> SW1 (MODEL SELECTION)
NAME
PLA-RP·BA
PLA-RP71/125BA2
/ 5. 4k DETECT)
PLA-RP140BA2
PLA-RP100BA3
/ 5. 4k DETECT)
<Table 2> SW2 (CAPACITY CODE)
/ 5. 4k DETECT)
CAPACITY
The black square (■) indicates a switch position.
TB5
2
1
OUTDOOR
CN01
1 3
(BLK)
1 3
INDOOR/OUTDOOR
COMMUNICATION
1
CN3C
(BLU)
1 2
DC280V
REMOCON
1
CN22
RECTIFICATION
(BLU)
LIQUID/PIPE INTAKE FAN
CNMF
CN44 CN20
(WHT)
(WHT) (RED)
4 1 4 1 2 7 4 1
MS
3~
t° t° t°
TH2 TH5 TH1
MF
Be sure to turn off the source power
and then disconnect fan motor connector.
(Failure to do so will cause trouble in Fan motor)
1(Fig. 1)
CN01
I.B
(BLK)
TB2
YLW RED
L
5 POWER SUPPLY
ORN BLU
~(1PHASE)
3 N
GRN/YLW
230V 50Hz
1
TB4
YLW
S1
ORN
ORN
S2
TO OUTDOOR UNIT
BRN
I.B S3
1 3 INDOOR/OUTDOOR
CN3C COMMUNICATION
(BLU)
36
PLA-RP125BA
SW1
MODELS SETTING
1 2 3 4 5
ON
OFF
1 2 3 4 5
ON
OFF
1 2 3 4 5
ON
OFF
SW2
SETTING
CAPACITY SETTING
1 2 3 4 5
1 2 3 4 5
100
50
ON
OFF
1 2 3 4 5 1 2 3 4 5
60 125
ON
OFF
1 2 3 4 5
1 2 3 4 5
71 140
ON
OFF
DCL
YLW
Please set the voltage using the
1 3 5
remote controller.
For the setting method,please refer to
the indoor unit Installation Manual.
FUSE
TB4
YLW YLW
S1
ORN ORN
X1
S2
S3
D.U.M ORN
3 1
CNP
BRN
(BLU)
M
1~
DP
ON
OFF
ON
OFF
ON
OFF
TO OUTDOOR
UNIT