Mitsubishi Electric PKA-RP1.6GAL Service Technical Manual page 7

PKA-RP1.6GAL PKA-RP2GAL
INDOOR UNIT
MF
3 2 1
C
I.B
POWER
1 3 5
FAN CN03
(RED)
(WHT)
X4
FC
X4
SWE SW2 SW1
ON
OFF
SW1
Manufacture Service board
1 2 3
J11 J12 J13 J14 J15
SYMBOL NAME
P.B INDOOR POWER BOARD
F1 FUSE(4A)
ZNR VARISTOR
I.B INDOOR CONTROLLER BOARD
CN2L CONNECTOR(LOSSNAY)
CN32 CONNECTOR(REMOTE SWITCH)
CN41 CONNECTOR(HA TERMINAL-A)
SW1 JUMPER WIRE(MODEL SELECTION)
SW2 JUMPER WIRE(CAPACITY CORD)
SWE SWITCH(EMERGENCY OPERATION)
X4 RELAY(FAN MOTOR)
FC FAN PHASE CONTROL
LED1 POWER SUPPLY(I.B)
LED2 POWER SUPPLY(R.B)
LED3 TRANSMISSION(INDOOR-OUTDOOR)
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.Make sure that the main power supply of the booster heater is independent.
4.Symbols used in wiring diagram above are,
[Self-diagnosis]
An explanation of the wireless remote controller self checking operations,check codes,buzzer sounds and LED signals are given
below. For check codes and symptom see the table below please.
1.Press the CHECK button twice continuously.
· CHECK begins to light and refrigerant address display
"00" begins to blink.
· Start this operation from the status of remote controller
display turned off.
2.Press the TEMP , buttons.
· Set the refrigerant address of the indoor unit that is to
be self-diagnosed.
· Set the refrigerant address of outdoor unit by outdoor unit
dip switch "SW1".
(Refer to installation manual of outdoor unit for the detail.)
Check code Operation lamp
P1 1SEC.FLASHo1
P2 1SEC.FLASHo2
P6 1SEC.FLASHo6
P8 1SEC.FLASHo8
P9 1SEC.FLASHo2
U0~UL (0.4+0.4)SEC.FLASHo1
F1~F9
E6~EF DIFFERENT FROM ABOVE
----
OFF
FFFF OFF
CN2S(WHT)
2
DC14V
1
3
2
1
CONT.BOARD
CN02(WHT)
1 3 5 1 2
POWER
CN2D(WHT)
CN41
CN25
LED3 LED2 LED1
D.SENSOR HEATER INTAKE LIQUID
CN31 CN24 CN20 CN21
(WHT) (YLW) (RED) (WHT)
1 2 3 1 2 1 2 1 2
TH1
MODELS
Manufacture
4 5
ON 1.6GAL
OFF
J21 J22
SYMBOL
C CAPACITOR(FAN MOTOR)
MF FAN MOTOR
MV VANE MOTOR
TB4 TERMINAL BLOCK(INDOOR/OUTDOOR
CONNECTING LINE)
TB5 TERMINAL BLOCK(REMOTE CONTROLLER
TRANSMISSION LINE)(OPTION)
TH1 ROOM TEMP.THERMISTOR
(0°C/15k",25°C/5.4k" DETECT)
TH2 PIPE TEMP.THERMISTOR/LIQUID
(0°C/15k",25°C/5.4k" DETECT)
TH5 COND./EVA.TEMP.THERMISTOR
(0°C/15k",25°C/5.4k" DETECT)
:Connector,
Buzzer sound
Single beepo1 Abnormality of room temperature thermistor(TH1).
Single beepo2 Abnormality of pipe temperature thermistor/Liquid(TH2).
Single beepo6 Freezing /overheating protection is working.
Single beepo8 Abnormality of pipe temperature.
Single beepo2 Abnormality of pipe temperature thermistor/ Cond./Eva.(TH5).
Abnormality in outdoor unit. Refer to outdoor unit wiring diagram.
Double beepo1
Sounds other than
Abnormality of signal transmission between indoor unit and outdoor unit
("EE" indicates abnormality of combination).
above
No trouble generated in the past.
No sound
No corresponding unit.
Triple beep
P.B
F1
ZNR
TB4
YLW
1
ORN
2
BRN
3
OUTDOOR
CN01(BLU)
VANE
6
CN6V
MV
(WHT)
CN2L
WIRELESS
CN90
9
CN32
(WHT)
PIPE REMOCON
CN29 CN22
(BLK) (BLU)
RU
1 2 1 2
RECEIVER
2
1
TRANSMISSION WIRES DC12V
TB5
TH2 TH5
Please set the voltage using the
remote controller.
For the setting method,please refer to
the indoor unit Installation Manual.
SW2
MODELS
Service board
1 2 3 4
ON 2GAL
OFF
J23 J24
NAME SYMBOL
W.B
RU
BZ
LED1 LED(RUN INDICATOR)
LED2
SW1
SW2
R.B
CN2
TB6
:Terminal (block).
3.While pointing the remote controller toward the unit's
receiver, press the h button.
· The check code will be indicated by the number of times
that the buzzer sounds from the receiver section and the
number of blinks of the operation lamp.
4.While pointing the remote controller toward the unit's
receiver, press the ON/OFF
· Self-check mode is canceled.
Symptom
7
]
S1
S2
TO OUTDOOR UNIT
S3
9
W.B
CNB
BZ
LED1 LED2 SW2 SW1
R.B
CN2
1 2
TB6
Manufacture Service board
1 2 3 4
J21 J22 J23 J24
NAME
WIRELESS REMOTE CONTROLLER BOARD
RECEIVING UNIT
BUZZER
LED(HOT ADJUST)
SWITCH(HEATING ON/OFF)
SWITCH(COOLING ON/OFF)
REMOTE CONTROLLER BOARD(OPTION)
CONNECTOR(PROGRAM TIMER)
TERMINAL BLOCK(REMOTE CONTROLLER
TRANSMISSION LINE)
button.
ON
OFF