Mitsubishi Electric PKA-RP1.6GAL Service Technical Manual page 10

PEA-RP3EA.TH-A PEA-RP5EA.TH-A
PEA-RP4EA.TH-A PEA-RP6EA.TH-A
SYMBOL
NAME
I.B INDOOR CONTROLLER BOARD
CN2L
CONNECTOR(LOSSNAY)
CN32
CONNECTOR(REMOTE SWITCH))
CN41 CONNECTOR(HA TERMINAL-A)
LED1
POWER SUPPLY(I.B)
LED2 POWER SUPPLY(R.B)
LED3 TRANSMISSOION(INDOOR • OUTDOOR)
SW1 JUMPER WIRE(MODEL SELECTION)
SW2 JUMPER WIRE(CAPACITY CORD)
SWE
SWITCH(EMERGENCY OPERATION)
X4
RELAY(FAN MOTOR)
X5 RELAY(FAN MOTOR)
X6
RELAY(FAN MOTOR)
INDOOR UNIT
MF
2 3 4 1 5 6
I.B C
1 3 5 7
FAN
(WHT)
X6 X5 X4
X6 X5 X4
LED3 LED2 LED1
SW2
SW1
SWE
PIPE
ON
CN29
(BLK)
OFF
MODELS SW1
Manufacture
<For manufacture>
3EA
J21J22J23J24
4EA
J21J22J23J24
J11 J12 J13 J14 J15
5EA
<For service board> J21J22J23J24
1 2 3 4 5
ON
6EA
OFF
J21 J22 J23
SYMBOL
P.B INDOOR POWER BOARD
F1
FUSE(4A)
ZNR
VARISTOR
REMOTE CONTROLLER BOARD
R.B
CN2
CONNECTOR(PROGRAM TIMER)
TB6
TERMINAL BLOCK(REMOTE
CONTROLLER TRANSMISSON LINE)
TH1
ROOM TEMPERATURE THERMISTOR
(0˚C/15kΩ, 25˚C/5.4kΩ DETECT)
TH2
PIPE TEMPERATURE THERMISTOR/LIQUID
(0˚C/15kΩ, 25˚C/5.4kΩ DETECT)
TH5
COND./EVA. TEMPERATURE THERMISTOR
(0˚C/15kΩ, 25˚C/5.4kΩ DETECT)
POWER
POWER 1
1 3 5
CN2D
CN03
2
(WHT)
(RED)
CN31
3
2 WIRELESS
CN90
1
(WHT)
LIQUID
2
CN21
REMOCON
1
(WHT)
CN22
INTAKE (BLU)
2
CN20
1
(RED)
1
2
CN41
CN24 CN2L
CN32
TH5 TH2 TH1
[NOTES]
SW2
1.Since the outdoor side electric wiring may change be sure to check the
Service board
outdoor unit electric wiring for servicing.
2.Indoor and outdoor connecting wires are made with polarities,make wiring
1 2 3 4
ON
matching terminal numbers(S1,S2,S3).
OFF
3.Symbols used in wiring diagram above are,
1 2 3 4
ON
[Self diagnosis]
OFF
1.When pressing the CHECK switch twice on the remote controller,the unit
1 2 3 4
ON
changes to the self-diagnosis mode and will display the check code by
OFF
LED(light Emitting Diode)
1 2 3 4
Refer to the right table for the check codes and abnormarities.
ON
OFF
J24
SYMBOL
NAME
C
MF
TB4
CN2S(WHT)
F1
2
DC14V
1 ZNR
3
2
1
CONT.BOARD OUTDOOR
CN02(WHT) CN01(BLU)
P.B
TB5
BLU
2
2
BLU
1
1
TRANSMISSION WIRE
DC12V
R.B
CN2
10
NAME
CAPACITOR(FAN MOTOR)
FAN MOTOR
TERMINAL BLOCK
(INDOOR/OUTDOOR CONNECTING LINE)
TB4
S1
YLW
1
S2
ORN
2
TO OUTDOOR UNIT
S3
BRN
3
1 2
TB6
:Connector, :Terminal (block).