Használati útmutató Mitsubishi MSZ-CB22VA

Olvassa el alább 📖 a magyar nyelvű használati útmutatót Mitsubishi MSZ-CB22VA (36 oldal) a légkondicionáló kategóriában. Ezt az útmutatót 7 ember találta hasznosnak és 2 felhasználó értékelte átlagosan 4.5 csillagra

Oldal 1/36
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································5
4. NOISE CRITERIA CURVES·······························6
5. OUTLINES AND DIMENSIONS ·························7
6. WIRING DIAGRAM ············································8
7. REFRIGERANT SYSTEM DIAGRAM················8
8. SERVICE FUNCTIONS ······································9
9. TROUBLESHOOTING······································10
10. DISASSEMBLY INSTRUCTIONS·····················24
11. PARTS LIST······················································27
12. RoHS PARTS LIST···········································31
13. OPTIONAL PARTS···········································34
MSZ-CB22VA -
MSZ-CB22VA -
MSZ-CB25VA -
MSZ-CB25VA -
MSZ-CB35VA -
MSZ-CB35VA - E2
E1
E2
E1
E2
E1
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
For servicing of RoHS compliant products, refer to the RoHS Parts List.
Outdoor unit service manual
MUZ-GA·VA Series (OB379)
MXZ-A·VA Series (OB377)
SERVICE MANUAL
Wireless type
Models
No. OB441
REVISED EDITION-A
INDOOR UNIT
Revision:A
model has been added.
9-2. Failure mode recall function has been
changed.
RoHS PARTS LIST has been added.
E2
Please void OB441.
2
1TECHNICAL CHANGES
MSZ-GA22VA- MSZ-CB22VA-
MSZ-GA25VA- MSZ-CB25VA-
MSZ-GA35VA- MSZ-CB35VA- E1E1
E1E1
E1E1
1. Color of BOX and CORNER BOX has been changed to white.
Revision:A
model has been added.
•9-2. Failure mode recall function has been changed.
•RoHS PARTS LIST has been added.
E2
MSZ-CB22VA- MSZ-CB22VA-
MSZ-CB25VA- MSZ-CB25VA-
MSZ-CB35VA- MSZ-CB35VA- E2E1
E2E1
E2E1
1. The operation of thermo-off-unit has been changed. (When 2 or more indoor units are connected with a multi type outdoor
unit, and operated in heat mode.)
< >Indoor fan operates with very Low speed or stops.
< >Indoor fan operates intermittently with very Low speed or stops.
E2
E1
MSZ-CB25VA- MSZ-CB25VA- E2E1
1. Indoor fan speed has been changed.
3
PART NAMES AND FUNCTIONS
2
MSZ-CB22VA
MSZ-CB25VA
MSZ-CB35VA
Line flow fan
Air outlet
Vertical vane
Air inlet
Display section
Front panel
Panel
Heat exchanger
Horizontal vane
Operation section
(When the front panel is opened)
Remote controller
Remote control
receiving section
Catechin air filter
Air cleaning filter
(Optional parts,Anti-
Allergy Enzyme Filter,
Blue bellows type)
Emergency operation switch
Fan guard
Operation Indicator
lamp
4
ACCESSORIES
REMOTE CONTROLLER
1
2
3
4
5
6
7
Installation plate
Installation plate fixing screw 4 25 mmo
Remote controller holder
Fixing screw for 3.5 1.6 mm (Black)3o
Battery (AAA) for remote controller
Wireless remote controller
Felt tape (Used for left or left-rear piping)
1
5
1
2
2
1
1
MSZ-CB22VA
MSZ-CB25VA
MSZ-CB35VA
ON-TIMER button
CLOCK SET button
TIME SET buttons
FORWARD button
BACKWARD button
OFF-TIMER button
(This diagram shows an overall view.)
Open the front lid.
RESET button
VANE CONTROL button
Signal transmitting section
Operation display section
Temperature buttons
OPERATE/STOP
(ON/OFF) button
FAN SPEED CONTROL button
OPERATION SELECT button
ECONO COOL button
Indication of
remote controller
model is on back
5
SPECIFICATION
3
T3.15AL 250V
MSBPC20M16 12V DC 250 (at 25 C)"˚
ERZV14D471
3P
INDOOR UNIT
Fuse
Horizontal vane motor
Varistor
Terminal block
(F11)
(MV)
(NR11)
(TB)
Specifications and rating conditions of main electric parts
NOTE : Test conditions are based on ISO 5151
Cooling : Indoor Dry-bulb temperature 27:Wet-bulb temperature 19:
Outdoor Dry-bulb temperature 35 Wet-bulb temperature 24: :
Heating : Indoor Dry-bulb temperature 20 Wet-bulb temperature 15: :
Outdoor Dry-bulb temperature 7:
Wet-bulb temperature 6
:
Refrigerant piping length (one way): 5m
1 Measured under rated operating frequency.
MSZ-CB25VA MSZ-CB22VA MSZ-CB35VA
Indoor model
Function
Power supply
1
Single phase
230V,50Hz
630/504
384/258
10
0.25
33
57
0.25
RC0J30-CC
780 298 210O O
9
4
43
36/29/21
1,250/1,040
830/620
4
KM05B
Single phase
230V,50Hz
10
0.25
33
57
0.25
RC0J30-CC
780 298 210O O
9
4
43
36/29/21
4
KM05B
Cooling
600/480
366/234
1,200/1,000
800/580
2
486/408
336/258
1,010/880
750/620
Cooling
600/480
366/234
1,200/1,000
800/580
Heating
630/504
384/258
1,250/1,040
830/620
Single phase
230V,50Hz
10
0.25
33
57
0.25
RC0J30-CC
780 298 210O O
9
4
43
36/29/22
4
KM05B
Cooling
600/480
366/246
1,200/1,000
800/600
Heating
630/504
384/270
1,250/1,040
830/640
Air flow(Super High/High)
Air flow(Med./Low)
Power outlet
Running current 1
Power input 1
Power factor 1
Fan motor current 1
Model
Dimensions W H DO O
Weight
Air direction
Sound level(Super High)
Sound level(High/Med./Low)
Fan speed(Super High/High)
Fan speed(Med./Low)
Fan speed regulator
Remote controller model
K /h
A
A
W
%
A
mm
kg
dB(A)
dB(A)
rpm
Electrical
data
Fan motor
Special
remarks
Capacity
Heating
1 : E1 (serial number : ~ 6000120)
2 : E1 E2 (serial number : 6000121 ~) ,
6
4 NOISE CRITERIA CURVES
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions
Cooling : Dry-bulb temperature 27 Wet-bulb temperature 19: :
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION
43
43
SPL(dB(A)) LINE
Super High
FAN SPEED
HEATING
Heating : Dry-bulb temperature 20 Wet-bulb temperature 15: :
MSZ-CB22VA
MSZ-CB25VA
INDOOR UNIT
WALL
MICROPHONE
0.8m
1m
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions
Cooling : Dry-bulb temperature 27 Wet-bulb temperature 19: :
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION
43
43
SPL(dB(A)) LINE
Super High
FAN SPEED
HEATING
Heating : Dry-bulb temperature 20 Wet-bulb temperature 15: :
MSZ-CB35VA
7
OUTLINES AND DIMENSIONS
5
MSZ-CB25VA
Unit : mm
MSZ-CB35VA
MSZ-CB22VA
8
6WIRING DIAGRAM
REFRIGERANT SYSTEM DIAGRAM
7
MSZ-CB22VA
MSZ-CB25VA
MSZ-CB35VA
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Indoor coil
thermistor
RT13(sub)
Flared connection
Refrigerant flow in cooling
Refrigerant flow in heating
Refrigerant pipe 9.52[
(with heat insulator)
Refrigerant pipe 6.35[
(with heat insulator)
Indoor coil
thermistor
RT12(main)
Unit : mm
SYMBOL
DB111
F11
MF
MV
NR11
SYMBOL
RT11
RT12
RT13
T111
TB
NAME
DIODE STACK
FUSE (T3.15AL250V)
INDOOR FAN MOTOR
VANE MOTOR (HORIZONTAL)
VARISTOR
NAME
ROOM TEMPERATURE THERMISTOR
INDOOR COIL THERMISTOR (MAIN)
INDOOR COIL THERMISTOR (SUB)
TRANSFORMER
TERMINAL BLOCK
NOTE:1. About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing.
2. Use copper conductors only. (For field wiring)
3. Symbols below indicate.
/: Terminal block, : Connector
MSZ-CB22VA
MSZ-CB25VA
MSZ-CB35VA
4
3
2
1
S2
POWER MONITOR
RECEIVER P.C.BOARD
26
230V~
BLU
INDOOR ELECTRONIC
CONTROL P.C. BOARD
SW P.C.
BOARD
INTERLOCK
SWITCH(FAN)
5
MV
TO OUTDOOR
UNIT
CONNECTING
BLK
REDS3
TB TAB3
DB111
NR11
F11
5
6
4
2
2
LD
105(T)
LD
101(A)
12-24V
RT13
1R1
CN
GRN
LD104
CN201
2
1
151
CN
T111
RED
WHT
111
CN
CN
112
CN211
BLU
YLW
BLK
MF
RT11
RT12
1
3
5
S1
9
SERVICE FUNCTIONS
8
8-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATION
A maximum of 4 indoor units with wireless remote controllers can be used in a room.
In this case, to operate each indoor unit individually by each remote controller, P.C. boards of remote controller must be
modified according to the number of the indoor unit.
8-1. TIMER SHORT MODE
For service, set time can be shortened by short circuit of JPG and JPS the electronic control P.C. board.
The time will be shortened as follows. (Refer to 9-7.)
Set time : 1-minute 1-second
Set time : 3-minute 3-second (It takes 3 minutes for the compressor to start operation. However, the starting time is
shortened by short circuit of JPG and JPS.)
No. 1 unit
No. 2 unit
No. 3 unit
No. 4 unit
1 unit operation
No modification
2 units operation
Same as at left
Solder J1
3 units operation
Same as at left
Same as at left
Solder J2
4 units operation
Same as at left
Same as at left
Same as at left
Solder both J1 and J2
Table 1
How to set the remote controller exclusively for particular indoor unit
After you turn the breaker ON, the first remote controller that sends the signal to the indoor unit will be regarded as the remote
controller for the indoor unit.
The indoor unit only accept the signal from the remote controller that has been assigned to the indoor unit once they are set.
The setting will be cancelled if the breaker has turned off, or the power supply has shut down.
Please conduct the above setting once again after the power has restored.
How to modify the remote controller P.C. board
Remove batteries before modification.
The board has a print as shown below :
The P.C. board has the print and . Solder and J1” “J2” “J1” “J2 according to the number of indoor unit as shown in Table 1.
After modification, press the RESET button.
NOTE : For remodelling, take out
the batteries and press the
OPERATE/STOP(ON/OFF)
button twice or 3 times at
first.
After finish remodelling,
put back the batteries then
press the RESET button.
J2J1
MSZ-CB22VA
MSZ-CB25VA
MSZ-CB35VA
10
TROUBLESHOOTING
9
9-1. Cautions on troubleshooting
1. Before troubleshooting, check the following:
1) Check the power supply voltage.
2) Check the indoor/outdoor connecting wire for mis-wiring.
2. Take care of the following during servicing
1) Before servicing the air conditioner, be sure to turn OFF the main unit first with the remote controller, and then after
confirming the horizontal vane is closed, turn OFF the breaker and / or disconnect the power plug.
2) Be sure to turn OFF the power supply before removing the front panel, the cabinet, the top panel, and the
electronic control P.C. board.
3) When removing the electronic control P.C. board, hold the edge of the board with care NOT to apply stress on the
components.
4) When connecting or disconnecting the connectors, hold the housing of the connector. DO NOT pull the lead wires.
Housing point
Lead wiring
MSZ-CB22VA MSZ-CB25VA MSZ-CB35VA
NOTE:
The operation settings are memorized when 10 seconds have passed after the indoor unit was operated with the
remote controller.
If main power is turned OFF or a power failure occurs while AUTO START/STOP timer is active, the timer setting is
cancelled.
If the unit has been off with the remote controller before power failure, the auto restart function does not work as the
power button of the remote controller is off.
To prevent breaker off due to the rush of starting current, systematize other home appliance not to turn ON at the
same time.
When some air conditioners are connected to the same supply system, if they are operated before power failure,
the starting current of all the compressors may flow simultaneously at restart.
Therefore, the special counter-measures are required to prevent the main voltage-drop or the rush of the starting
current by adding to the system that allows the units to start one by one.
JR07
CN151 CN211CN112 CN1R1
BZ
8-3. AUTO RESTART FUNCTION
When the indoor unit is controlled with the remote controller, the operation mode, the set temperature, and the fan speed
are memorized by the indoor electronic control P.C. board. The AUTO RESTART FUNCTION sets to work the moment“ ”
power has restored after power failure. Then, the unit will restart automatically.
Operation
1If the main power has been cut, the operation settings remain.
2 After the power is restored, the unit restarts automatically according to the memory.
(However, it takes at least 3 minutes for the compressor to start running.)
How to release AUTO RESTART FUNCTION
1Turn OFF the main power for the unit.
2Solder the Jumper wire to JR07 on the indoor electronic control P.C. board. (Refer to 9-7.)
11
21 Stopper
Lock.
Left
Insert this end first.
3. Troubleshooting procedure
1) First, check if the OPERATION INDICATOR lamp on the indoor unit is flashing on and off to indicate an abnormality.
To make sure, check how many times the abnormality indication is flashing on and off before starting service work.
2) Before servicing, check that the connector and terminal are connected properly.
3) If the electronic control P.C. board is supposed to be defective, check the copper foil pattern for disconnection and the
components for bursting and discoloration.
4) When troubleshooting, refer to 9-2., 9-3. and 9-4.
4. How to replace batteries
Weak batteries may cause the remote controller malfunction.
In this case, replace the batteries to operate the remote controller normally.
RESET button
Insert the negative pole of the
batteries first. Check if the polarity
of the batteries is correct.
NOTE : 1. If RESET button is not pressed, the remote controller may not operate correctly.
2. This remote controller has a circuit to automatically reset the microcomputer when batteries are replaced.
This function is equipped to prevent the microcomputer from malfunctioning due to the voltage drop caused by
the battery replacement.
2 Press RESET button with tip end of ball point pen
or the like, and then use the remote controller.
1 Remove the front lid and insert batteries.
Then reattach the front lid.
If horizontal vane is not installed correctly, all of the operation indicator lamps will blink.
In this case, install the horizontal vane correctly by following the procedures 1 2to .
NOTE: Before installation of the horizontal vane, turn OFF the power supply.
5. How to install the horizontal vane
In procedure 2
2
2
2
22 lock the
stoppers until they click
into place.
INFORMATION FOR MULTI SYSTEM AIR CONDITIONER
OUTDOOR UNIT : MXZ series
Multi system air conditioner can connect two or more indoor units with one outdoor unit.
• ’Unit won t operate in case the total capacity of indoor units exceeds the capacity of outdoor units. Do not
connect indoor units beyond the outdoor unit capacity.
Operation indicator lamp flashes as shown in the figure below.
When you try to operate two or more indoor units with one outdoor unit simultaneously, one for the cooling and
the other for heating, the operation mode of the indoor unit that operates earlier is selected. The other indoor
units cannot operate, indicating as shown in the figure below. In this case, please set all the indoor units to
the same operation mode.
When indoor units starts the operation while the defrosting of outdoor unit is being done, it takes a few minutes
(max. 10 minutes) to blow out the warm air.
In the heating operation, though indoor unit that does not operate may get warm or the sound of refrigerant
flowing may be heard, they are not malfunction. The reason is that the refrigerant continuously flows into it.
OPERATION INDICATOR
Not lighted
Blinking
Lighted
13
2. Indoor unit failure mode table
NOTE : Blinking patterns of this mode differ from the ones of Troubleshooting check table(9-4.).
12-time flash
2.5-second OFF
Replace the indoor electronic control
P.C. board.
Indoor control system
When it cannot properly read data in the
nonvolatile memory of the indoor electronic
control P.C. board.
11-time flash
2.5-second OFF
Refer to 9-6. "Check of indoor fanA
motor".
Indoor fan motor
When the rotational frequency feedback
signal is not emit during the 12-seconds the
indoor fan operation.
2-time flash
2.5-second OFF
Refer to the characteristics of the main
indoor coil thermistor, the sub indoor coil
thermistor (9-7.).
Indoor coil thermistor
When the indoor coil thermistor short or open
circuit is detected every 8 seconds during
operation.
3-time flash
2.5-second OFF
Refer to 9-6.D "How to check mis-wiring
and serial signal error".
Serial signal When the serial signal from outdoor unit is
not received for a maximum of 6 minutes.
1-time flash
every 0.5-second
Refer to the characteristics of the room
temperature thermistor (9-7.).
Room temperature
thermistor
When the room temperature thermistor short
or open circuit is detected every 8
seconds during operation.
Not lighted Normal
Left lamp of OPERATION
INDICATOR lamp
Correspondence
Abnormal point
(Failure mode) Condition
15
No.
1
3
6
7
SymptomOperation indicator lamp
Condition
Correspondence
Left lamp flashes.
0.5-second ON
0.5-second OFF
Mis-Wiring
or serial
signal
Outdoor
power
system
Outdoor
thermistors
Outdoor
control
system
Indoor coil
thermistor
When the serial signal from the outdoor unit is
not received for a maximum of 6 minutes.
When it consecutively occurs 3 times that the
compressor stops for overcurrent protection or
start-up failure protection within 1 minute after
start-up.
When the outdoor thermistors short or open
circuit during the compressor operation.
When it cannot properly read data in the
nonvolatile memory of the inverter P.C. board
or the outdoor electronic control P.C. board.
Refer to "Check of outdoor
thermistor".
Refer to outdoor unit service
manual.
Refer to "How to check of
inverter/compressor".
Refer to outdoor unit service
manual.
Check the stop valve.
Replace the inverter P.C.
board or the outdoor
electronic control P.C. board.
Refer to outdoor unit service
manual.
Refer to 9-6. "How to checkD
mis-wiring and serial signal
error".
4Indoor fan
motor
8
Abnormal
point
Room
tempera-
ture
thermistor
Left lamp flashes.
2-time flash
2.5-second OFF
When the indoor coil or the room temperature
thermistor is short or open circuit.
Refer to 9-7.the
characteristics of indoor coil
thermistor, and the room
temperature thermistor.
Left lamp flashes.
3-time flash
2.5-second OFF
When the rotational frequency feedback
signal is not emitted during the indoor fan
operation.
Refer to 9-6. "Check of A
indoor fan motor".
Indoor unit
and outdoor
unit do not
operate.
Indoor unit
and outdoor
unit do not
operate.
Left lamp flashes.
5-time flash
2.5-second OFF
Left lamp flashes.
6-time flash
2.5-second OFF
Indoor unit
and outdoor
unit do not
operate.
Indoor unit
and outdoor
unit do not
operate.
Indoor unit
and outdoor
unit do not
operate.
Other
abnormality
An abnormality other than above mentioned is
detected.
Confirm the abnormality in
detail using the failure mode
recall function for outdoor
unit.
Indoor unit
and outdoor
unit do not
operate.
Indoor unit
and outdoor
unit do not
operate.
9
5
Left lamp flashes.
4-time flash
2.5-second OFF
Indoor
control
system
When it cannot properly read data in the
nonvolatile memory of the indoor electronic
control P.C. board.
Indoor unit
and outdoor
unit do not
operate.
Replace the indoor electronic
control P.C. board.
Outdoor
control
system
When it cannot properly read data in the
nonvolatile memory of the inverter P.C. board
or the outdoor electronic control P.C. board.
Check the blinking pattern of
the LED on the inverter P.C.
board or the outdoor
electronic
control P.C. board.
2Outdoor unit
does not
operate.
Left lamp lights up
Left lamp flashes.
7-time flash
2.5-second OFF
Left lamp flashes.
14-time flash
2.5-second OFF
9-4. Troubleshooting check table
Not lighted
Blinking
OPERATION INDICATOR
Lighted
· Flashing of OPERATION INDICATOR lamp (left-hand side lamp)
indicates abnormalities.
Before taking measures, make sure that the symptom reappears for accurate troubleshooting.
When the indoor unit has started operation and the following detection method has detected an abnormality (the first
detection after the power ON), the indoor electronic control P.C. board turns OFF the indoor fan motor with
OPERATION INDICATOR lamp flashing.
17
Check of indoor fan motor
A
When OPERATION INDICATOR lamp flashes 3-time.
Indoor fan does not operate.
w If more than 12 seconds or more passes after EMERGENCY OPERATION
switch is pressed, the voltage mentioned above 2 goes 0V DC although
the indoor electric control P.C. board is normal.
Indoor electronic
control P.C. board
Pay careful attention to the high voltage on
the fan motor connector CN211.
Yes
No
No
No
(Changed)
Yes
(Unchanged)
Is there any foreign matter that
interferes the rotation of the
line flow fan?
Turn OFF the power supply.
Remove the foreign matter and
adjust the line flow fan.
Turn ON the power supply, wait 5 seconds or more, and then press
EMERGENCY OPERATION switch.
Measure the supply voltage as follows within 12 seconds
after EMERGENCY OPERATION switch is pressed.
If more than 12 seconds passes by, turn OFF the power supply and
turn ON it again, then measure the voltage. w
1.Measure the voltage between CN211 (+) and (-).1 3
2.Measure the voltage between CN211 (+) and (-).5 3
Is there 325V DC between
CN211 (+) and 1 3 (-), and does
the voltage between CN211 (+)5
and (-) rise to the range of 3 to 6V3
DC within 12 seconds after
EMERGENCY OPERATION switch
is pressed?
Yes Replace the indoor fan motor.
CN211
Replace the indoor electronic control P.C. board.
The indoor fan motor error has occurred, and the indoor fan repeats "12-second ON and 30-second OFF" 3times, and then stops.
Measure the voltage between CN211
6 3(+) and (-) while the fan
motor is rotating.
Is it unchanged holding
0V DC or 15V DC?
Replace the indoor fan motor.
Replace the indoor electronic control P.C. board.
The indoor fan motor error has occurred, and the indoor fan doesn't operate.
9-6. Troubleshooting flow
18
Check of remote controller and receiver P.C. board
B
Indoor unit operates by pressing EMERGENCY OPERATION switch, but does not operate with the remote controller.
wCheck if the remote controller is exclusive for this air conditioner.
Yes
Replace the batteries. (Refer to 9-1.4.)
Is noise heard from radio?
Are there any fluorescent lights of
inverter or rapid-start type within
the range of 1m?
Replace the indoor electronic
control P.C. board.
Replace the remote controller.
Reinstall the unit away from lights.
Attach a filter on receiving part.
Is LCD display on the the remote
controller visible?
Remove the batteries, then set them back
and press RESET button. (Refer to 9-1.4.)
Check if the unit operates with the remote
controller.
Yes
Does the unit operate with the
remote controller?
Yes
OK
No
(not clear)
Yes
No
No
No
Press OPERATE/STOP(ON/OFF)
button on the remote controller.
Turn ON a radio to AM and press
OPERATE/STOP(ON/OFF) button on
the remote controller.

Termékspecifikációk

Márka: Mitsubishi
Kategória: légkondicionáló
Modell: MSZ-CB22VA

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