Mitsubishi Electric PLA-RP-BA Technical Data Book page 48

PCA-RP71HA PCA-RP125HA
[ LEGEND ]
SYMBOL
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 CONTROLL)
LED1 POWER SUPPLY (I. B)
LED2 POWER SUPPLY (R. B)
LED3 TRANSMISSION(INDOOR-OUTDOOR)
X1 RELAY (DEW PREVENTION HEATER)
X4 RELAY(FAN MOTOR)
X5 RELAY(FAN MOTOR)
X6 RELAY(FAN MOTOR)
SW1 SWITCH (MODEL SELECTION)
SW2 SWITCH (CAPACITY CODE) See Table 2.
SWE SWITCH (EMERGENCY OPERATION)
MF1
6 5 4 3 2 1 6 5 4 3 2 1
ORN BRN
C1 C2
RED GRY
I.B
FAN
1 3 5 7
(WHT)
X6 X5 X4
X6 X5 X4
SWE SW2 SW1
ON
OFF
Refer to tables 1
and 2 for service PCB.
Table 1 Table 2
SW1
Service board MODELS
1 2 3 4 5
ON
PCA-RP71HA
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.
NAME SYMBOL
MF1, MF2
C1, C2
H2
TB2
TB4
TB5,TB6
TH1
TH2
TH5
See Table 1. R. B
For PCA-RP125HA
MF2
P.B
CNDK
(RED)
1
H2
2
DC13.1V
3
1 1
D.HEATER ROWER ROWER
1 3 1 3
CNC CNDK
(RED) (RED) (ORN)
LED3 LED2 LED1
SW2
MODELS
Service board
1 2 3 4 5
ON
PCA-RP125HA
OFF
: Connector,
NAME
FAN MOTOR
CAPACITOR(FAN MOTOR)
DEW PREVENTION HEATER
TERMINAL BLOCK(INDOOR UNIT
POWER (OPTION))
TERMINAL BLOCK(INDOOR/OUTDOOR
CONNECTING LINE)
TERMINAL BLOCK(REMOTE CONTROLLER
TRANSMISSION LINE)
ROOM TEMP.THERMISTOR
(0˚C/15kΩ, 25˚C/5.4kΩ DETECT)
PIPE TEMP.THERMISTOR/LIQUID
(0˚C/15kΩ, 25˚C/5.4kΩ DETECT)
COND./ EVA.TEMP.THERMISTOR
(0˚C/15kΩ, 25˚C/5.4kΩ DETECT)
WIRED REMOTE CONTROLLER BOARD
CN2S
(WHT)
1
2
TB4
S1
YLW
ORN S2
ORN S3
BRN
1 3 1 2 1 3
CND
INDOOR/OUTDOOR
ROWER
COMMUNICATION
CN2D(WHT)
CN3C(BLU)
CN41 CN2L
ZNR
CN51 CN32
INTAKE LIQUID PIPE REMOCON
CN20 CN21 CN29 CN22
(RED) (WHT) (BLK) (BLU)
1 2 1 2 1 2 1 2
2
1 2 1 3
1
TH1 TH2 TH5
Service board
1 2 3 4 5
ON
OFF
: Terminal (block).
48
Please set the voltage using the
remote controller.
For the setting method, please refer to
the indoor unit Installation Manual.
TO
OUTDOOR
w1 (Fig.1)
TB2
UNIT
RED
BLU
GRN/YLW
TB4
YLW
ORN
ORN
BRN
I.B
1 3 1 3
POWER INDOOR/OUTDOOR
CND COMMUNICATION
(ORN) CN3C
(BLU)
TB5 R.B
TRANSMISSION WIRES DC12V
L POWER
SUPPLY
N
~(1PHASE)
230V 50Hz
S1
S2
TO
OUTDOOR
S3
UNIT
1
TB6
2