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Mitsubishi Electric PLA-RP-BA Technical Data Manual Page 66

Mitsubishi electric split-type, heat pump air conditioners.
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PSA-RP71GA
PSA-RP100GA
[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)
LED1
POWER SUPPLY (I.B)
LED2
POWER SUPPLY (R.B)
LED3
TRANSMISSION (INDOOR-OUTDOOR)
INDOOR UNIT
ORN
MF
C
ML
RED
I.B
LOUVER
FAN
POWER
1 3 5 7
1 3
(WHT)
CNL
CNDK
(YLW)
(RED)
X2
X6
X5
X4
X2
X6 X5 X4
LED3 LED2 LED1
SW2
SW1
SWE
ON
OFF
TH2
Refer to tables 1
and 2 for service PCB.
TH1
PSH -P.GAH
TH5
models only
HEATER
2
CN24
1
(YLW)
I.B
26H
RED
6
YLW
1
6
RED
5
88H
YLW
YLW
Table 1
SW2
MODELS
Service board
1 2 3 4 5
PSA-RP.GA
ON
PSH-P.GAH
OFF
Table 2
SW2
MODELS
Service board
1 2 3 4 5
PSA-RP71GA
ON
PSH-P71GAH
OFF
1 2 3 4 5
PSA-RP100GA
ON
PSH-P100GAH
OFF
1 2 3 4 5
PSA-RP125GA
ON
PSH-P125GAH
OFF
1 2 3 4 5
PSA-RP140GA
ON
PSH-P140GAH
OFF
PSA-RP125GA
SYMBOL
I.B
SW1
SWITCH (MODEL SELECTION) See Table 1.
SW2
SWITCH (CAPACITY CODE) See Table 2.
SWE
SWITCH (EMERGENCY OPERATION)
X2
RELAY (LOUVER)
X4
RELAY (FAN MOTOR)
X5
RELAY (FAN MOTOR)
X6
RELAY (FAN MOTOR)
R.B
WIRED REMOTE CONTROLLER BOARD
TB6
TERMINAL BLOCK (REMOTE CONTROLLER
TRANSMISSION LINE)
HEATER
THERMAL FUSE (110˚C16A)
FS1,2
HEATER
H
HEATER THERMAL SWITCH
26H
88H
HEATER CONTACTOR
P.B
CN2S
CNSK
(WHT)
(RED)
2
3
1
2
DC13.1V
1
POWER
1 3
1 3
1 2
1 3
CND
INDOOR/OUTDOOR
POWER
(ORN)
COMMUNICATION
CN2D
CN3C
(WHT)
CN51
ZNR
(BLU)
2
LIQUID
WIRELESS
CN21
CN90
1
(WHT)
(WHT)
INTAKE
2
CN20
REMOCON
1
(RED)
CN22
(BLU)
PIPE
2
CN29
1
(BLK)
CN2L
CN24
CN41
CN32
R.B
BLU
1
BLU
2
TRANSMISSION
TB6
WIRES DC12V
88H
FS2
FS1
5
RED
RED
1
WHT
2
GRN/YLW
H
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 supplying power separately to indoor and outdoor units, refer to Fig 1.
w2: For power supply system of this unit, refer to the caution label located near this diagram.
PSA-RP140GA
NAME
SYMBOL
C
MF
ML
TB2
TB4
TH1
TH2
TH5
TB4
YLW
S1
TO
ORN
S2
OUTDOOR
S3
UNIT
1 (Fig.1)
RED
BLU
GRY/YLW
RED
BLU
2
1
I.B
1
3
1
3
POWER
INDOOR/OUTDOOR
CND
COMMUNICATION
(ORN)
CN3C
(BLU)
TB2
3
RED
L
POWER SUPPLY
BLU
N
~(1 PHASE)
230V 50Hz
: Connector,
66
NAME
CAPACITOR (FAN MOTOR)
FAN MOTOR
LOUVER MOTOR
TERMINAL BLOCK (HEATER) PSH-P.GAH
models only or option for PSA-RP.GA models.
TERMINAL BLOCK
(INDOOR/OUTDOOR CONNECTING 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)
Please set the voltage using the
remote controller.
For the setting method, please refer to
the indoor unit Installation Manual.
TB2
L
POWER SUPPLY
N
~(1PHASE)
230V 50Hz
TB4
S1
S2
TO
OUTDOOR
S3
UNIT
: Terminal (block).

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