Mitsubishi Electric PCA-RP125HAQ, Руководство по обслуживанию

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13 13
PCA-RP71HAQ PCA-RP125HAQ
BLU BLK WHT YL
W
BLU BLK WHT YL
W
ORN
ORN
C1
RED
RED
1 3
4 1
1 5
1 2
3 1
1 2 1 2 1 2 1 2
1 3
1 3 1 3
1
1
2
3
6 5 4 3 2 1
MF2
MF1
BLU
YL
W
YL
W
ORN BLK RED WHT WHT YL
W
BLK
WHT
YL
W
BLU BLK WHT YL
W
ORN
BRN
C2
GRY
RED
6 5 4 3 2 1
D.HEATER
CNC
(RED)
For PCA-RP125HAQ
X6 X5 X4
X1
FUSE
SWE
FAN
(
WHT
)
SW2 SW1
H2
OFF
ON
REMOCON
CN22
(BLU)
TH1 TH2 TH5
BLU
BLK BLK
TB5
INTAKE
CN20
(RED)
LIQUID
CN21
(WHT)
PIPE
CN29
(BLK)
R.B
(OPTION PARTS)
TB6
TRANSMISSION WIRES DC12V
CN41 CN2L
CN32 CN51
POWER
CNDK
(RED)
POWER
CND
(ORN)
DC13.1V
CNSK
(RED)
CN2S
(WHT)
P.B
I.B
BRN
YLW
ORN
ORN
TB4
TO
OUTDOOR
UNIT
POWER
CN2D (WHT)
INDOOR/OUTDOOR
COMMUNICATION
CN3C (BLU)
Refer to tables 1
and 2 for service PCB.
Please set the voltage using the
remote controller.
For the setting method, please refer to
the indoor unit Installation Manual.
POWER
CND
(ORN)
INDOOR/OUTDOOR
COMMUNICATION
CN3C
(BLU)
TB4
POWER
SUPPLY
~(1PHASE)
230V 50Hz
RED
TB2
BLU
TO
OUTDOOR
UNIT
I.B YL
W
ORN
ORN
ORN
YLW
GRN/YLW
BRN
+
1 (Fig.1)
Service board
SW1
Table 1
1 2 3 4 5
ON
OFF
Service board
SW2
Table 2
1 2 3 4 5
MODELS
PCA-RP71HAQ ON
OFF
Service board
1 2 3 4 5
MODELS
PCA-RP125HAQ ON
OFF
L
N
1 2
2
2
1 3
2
3
3
2 1
1
1
NOTES:
1. Since the outdoor side electric wiring may change be sure to check the outdoor unit electric wiring for servicing.
2. Indoor and outdoor connecting wires are made with polarities, make wiring matching terminal numbers (S1,S2,S3).
3. Symbols used in wiring diagram above are, : Connector, : Terminal (block).
+
1 When work to supply power separately to Indoor and Outdoor unit was applied, refer to Fig1.
+
2 For power supply system of this unit, refer to the caution label located near this diagram.
7 1 3 5
LED3 LED2 LED1
t° t° t°
The black square (
■
) indicates a switch position.
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
1
2 1
2
S3
M
1~
M
1~
SYMBOL
[LEGEND]
NAME SYMBOL NAME
INDOOR POWER BOARD
INDOOR CONTROLLER BOARD
FUSE (T6.3AL250V) MF1, MF2
C1, C2
H2 FAN MOTOR
CAPACITOR (FAN MOTOR
)
DEW PREVENTION HEATER
CONNECTOR (LOSSNAY)
CONNECTOR (REMOTE SWITCH)
CONNECTOR (HA TERMINAL-A)
CONNECTOR (CENTRALLY CONTROLL)
POWER SUPPLY (I. B)
POWER SUPPLY (R. B)
TRANSMISSION (INDOOR-OUTDOOR)
RELAY (DEW PREVENTION HEATER)
RELAY (FAN MOTOR)
RELAY (FAN MOTOR)
RELAY (FAN MOTOR)
SWITCH (MODEL SELECTION)
+
See Table 1.
SWITCH (CAPACITY CODE)
+
See Table 2.
SWITCH (EMERGENCY OPERATION)
P. B
I. B
FUSE
CN2L
CN32
CN41
CN51
LED1
LED2
LED3
X1
X4
X5
X6
SW1
TB2
TB4
TB5,TB6
TH1
TH2
TH5
R. B
TERMINAL BLOCK (INDOOR UNIT
POWER (OPTION PARTS))
TERMINAL BLOCK (INDOOR/OUTDOOR
CONNECTING LINE)
TERMINAL BLOCK (REMOTE CONTROLLER
TRANSMISSION LINE)
ROOM TEMP.THERMISTOR
(0°C/15k
Ω , 25°C/5.4k Ω DETECT
)
PIPE TEMP.THERMISTOR/LIQUID
(0°C/15k
Ω , 25°C/5.4k Ω DETECT
)
COND./ EVA.TEMP.THERMISTOR
(0°C/15k
Ω , 25°C/5.4k Ω DETECT )
WIRED REMOTE CONTROLLER BOARD SW2
SWE
Check code Symptom
P1 Abnormality of room temperature thermistor
(
TH1)
P2
Abnormality of pipe temperature thermistor/Liquid ( TH2)
P6
Freezing/overheating protection is working.
P8 Abnormality of pipe temperature
P9
Abnormality of pipe temperature thermistor/Cond.Eva. ( TH5)
E0 - E5 Abnormality of the signal transmission between remote
controller and indoor unit
E6 - EF
Abnormality of the signal transmission between indoor unit
and outdoor unit
Fb
U* , F*
- - - -
No trouble generated in the past.
FFFF No corresponding unit
Abnormality of indoor controller board
Abnormality in outdoor unit. Refer to outdoor unit wiring diagram.
WIRING DIAGRAM
7