Mitsubishi Heavy Industries SRR25ZS-W User Manual Download

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EN-29

Self diagnosis function

■

We are constantly trying to do better service to our customers by installing such judges that show abnormality of each function as follows:

Outdoor temperature sensor error

•

Broken outdoor sensor wire, poor connector connection

Description of trouble

Room temperature sensor error

Cause

•

Broken heat exchanger sensor 1 wire, poor connector
connection

connection

Heat exchanger sensor 1 error

•

Broken heat exchanger sensor 3 wire, poor connector

Heat exchanger sensor 3 error

•

Active filter voltage error

•

Defective outdoor unit boards

•

Discharge pipe sensor error

•

Broken discharge pipe sensor wire, poor connector connection

Rotor lock

•

Defective compressor

•

Open phase on compressor

•

Defective outdoor unit boards

•

Broken power transistor, broken compressor wire

•

Broken discharge pipe sensor wire, poor connector connection

•

Compressor blockage

•

Power transistor error

•

Broken power transistor

Current cut

Trouble of outdoor unit

Over current

•

Overload operation, overcharge of refrigeration

Over heat of compressor

Error of signal transmission

Outdoor fan motor error

•

Defective fan motor, poor connector connection

Cooling high pressure protection

•

Overcharge of refrigeration, short circuit of outdoor unit

TIMER light ON

RUN light keeps flashing

RUN light ON

RUN light 2-time flash

2-time flash

4-time flash

1-time flash

RUN light

2-time flash

1-time flash

TIMER light

4-time flash

2-time flash

4-time flash

1-time flash

2-time flash

3-time flash

5-time flash

6-time flash

Keep flashing

Suction pipe sensor error

•

Broken suction pipe sensor wire, poor connector connection

5-time flash

3-time flash

5-time flash

7-time flash

6-time flash

Closed service valve

•

Closed serice valve

RUN light 7-time flash

1-time flash

7-time flash

Outdoor heat exchanger fluid pipe
sensor error

Defective power source, Broken signal wire, defective
in/outdoor unit boards

Gas shortage, defective discharge pipe sensor, closed
service valve

Compressor locking, open phase on compressor
output, shortcircuit on power transistor, closed service
valve

Broken heat exchanger fluid pipe sensor wire, poor
connector connection

Broken room temperature sensor wire, poor connector
connection

Refrigerant is insufficient
Closed service valve
Heat exchanger sensor 1 error

•

Defective fan motor, poor connector connection

•
•
•

Indoor fan motor error

Refrigerant is insufficient, leaking
Closed serice valve
Broken heat exchanger sensor 1 wire, poor connector
connection

Drain error

•
•

Drain at reverse gradient
Float switch defective

RJJ012A005_EN.indd 29

1/18/2019 4:54:01 PM

Summary of Contents for SRR25ZS-W

Page 1: ...ΚΟ TÜRKÇE USER S MANUAL AIR CONDITIONER MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS LTD 16 5 Konan 2 chome Minato ku Tokyo 108 8215 Japan http www mhi mth co jp en MITSUBISHI HEAVY INDUSTRIES AIR CONDITIONING EUROPE LTD 5 The Square Stockley Park Uxbridge Middlesex UB11 1ET United Kingdom Tel 44 333 207 4072 Fax 44 333 207 4089 http www mhiae com MITSUBISHI HEAVY INDUSTRIES AIR CONDITIONERS AUSTRA...

Page 2: ...RJJ012A005_EN indd 30 RJJ012A005_EN indd 30 1 18 2019 4 54 01 PM 1 18 2019 4 54 01 PM ...

Page 3: ...certain concentration This will be indicated as follows Hg mercury 0 0005 Cd cadmium 0 002 Pb lead 0 004 Please dispose of batteries correctly at your local community waste collection or the recycling center The emission sound pressure level from each Indoor and Outdoor unit is under 70 dB A Contents Safety precautions 2 Name of each part and its function 7 Remote control handling 9 Operation fail...

Page 4: ...to the installation manual There is information included in the user s manual and or installation manual Following precaution is only for R32 This equipment uses flammable refrigerants If the refrigerant is leaked together with an external ignition source there is a possibility of ignition WARNING Strict compliance of the domestic laws must be observed when disposing the appliance Do not use means...

Page 5: ...e drain hose properly so that all the water is drained out Improper installation may lead to water drop in the room resulting in wet furniture Make sure that the system has been properly earthed Earth wire should never be connected to a gas pipe water pipe lightning conductor or telephone earth wire Improper installation of the earth wire may cause an electric shock This Product contains fluorinat...

Page 6: ...s down you may get injured Do not place a flammable insecticide or paint spray near the air conditioner nor spray it directly on the system This may result in a fire Do not expose any combustion appliance directly to the air stream of the air conditioner The combustion appliance may malfunction Do not wash the air conditioner with water This could cause an electric shock Using a high pressure wash...

Page 7: ... together with a combustion appliance you must regularly ventilate the indoor air Insufficient ventilation may cause accidents due to oxygen deficiency When you clean air conditioner stop the unit and turn off the power source Never open the panel while the internal fan is rotating Do not place objects near the outdoor unit or allow leaves to gather around the unit If there are objects or leaves a...

Page 8: ...r dealer Continued use of the system in abnormal circumstances can result in malfunctioning electric shock fire etc If the air conditioner fails to cool or warm the room it may have a refrigerant leakage Contact your dealer If refrigerant needs to be added check with your dealer for proper instructions If the refrigerant comes in contact with the bare skin it may cause cold injury If the refrigera...

Page 9: ...lows out of here Air filter Removes dust or dirt from the inlet air Page 25 Refrigerant piping connection and electric wire Unit display section Remote control signal receiver Name of each part and its function Wireless remote control Wireless remote control holder Battery 2 R03 AAA Micro Wood screw 2 for remote control holder mounting RJJ012A005_EN indd 7 RJJ012A005_EN indd 7 1 18 2019 4 54 00 PM...

Page 10: ...ing concealed downward flow type Air outlet Local arrangements part Remote control signal receiver Air inlet grill Local arrangements part Remote control signal receiver Air outlet Local arrangements part Air inlet grill Local arrangements part Representative installation examples Operation mode invalid ON OFF 0 5 sec 0 5 sec Buzzer sound for remote control When preset temperature 24 C automatic o...

Page 11: ...ives the signals properly For installing or removing the remote control move it up or down in the holder Warning note for remote control handling Are the batteries running down Replacing the batteries above Replace the batteries with new ones and retry the operation Operation failure with the remote control If the operation fails operate the unit with temporary operation function Contact your deal...

Page 12: ...uzzer sound pip is emitted from the indoor unit At completion of the setting the indoor unit emits a buzzer sound pip If no reception tone is emitted start the setting from the begin ning again Setting an indoor unit 1 2 3 Since the signal is sent in about 6 seconds after the ACL switch is pressed point the remote control at the unit display section for some time Child Lock This function locks the...

Page 13: ...e the air conditioner is turned off CLEAN switch This switch selects the CLEAN operation Page 24 ON TIMER button This button selects ON TIMER operation Page 16 TIMER button This buttions is used for setting the current time and timer function ACL switch Switch for resetting microcomputer Page 9 PROGRAM button This button sets WEEKLY TIMER Page 18 HI ECO button This button changes the HIGH POWER EC...

Page 14: ...the setting of a day of the week Press the or TIMER button Set to Sat Press the SET button The day of the week display changes from blinking to steady lighting com pleting the setting of a day of the week and the time display blinks Make sure to press the button within 60 seconds from the last operation in step 2 otherwise the day of the week is not set Press the or TIMER button Set to 10 30 Press...

Page 15: ...e button When it is a little hot Press the button FAN SPEED You can choose the fan speed of your air conditioner without dry mode Remote Control display 6 5 4 3 2 1 0 1 2 3 4 5 6 18 19 20 21 22 23 24 25 26 27 28 29 30 Setting temp C Press the FAN SPEED button Each time the button is pressed the fan speed changes 1 When FAN SPEED is changed from Hi to Lo or ULo the sound of refrigerant flowing may ...

Page 16: ...ism and capacity of HEAT mode operation Mechanism The unit draws heat from the cold outside air transfers it to indoors and heats the room As a characteristic of heat pump system the heating capacity reduces when the outside air temperature gets colder It may take some time to supply hot air after turning on the air conditioner If the outside temperature becomes extremely low it would be better to...

Page 17: ...rom Step 1 With the air conditioner running start from Step 2 Example You prefer it to stop 22 30 Press the ON OFF button Press the OFF TIMER button OFF TIMER display is blinking Press the or TIMER button Every time the button is pressed the display is switched in the order of 0 00 0 10 0 20 Units of ten minutes 1 00 1 10 Every time the button is pressed the display is switched in the order of 0 0...

Page 18: ...utton is pressed the display is switched in the order of 0 00 0 10 0 20 Units of ten minutes 1 00 1 10 Every time the button is pressed the display is switched in the order of 0 00 23 50 23 40 Units of ten minutes 23 00 22 50 Set at 8 00 Press the SET button The display changes from blinking to steady lighting and the setting is complete The timer light yellow is on The operation stops if it is se...

Page 19: ...ration Stop Operation starts Check the room temp 60 mins before Set time When SLEEP TIMER is selected the set temperature is automatically adjusted after a while ensuring that the room is not too cold during cool ing or too warm during heating During cooling The preset temperature is lowered by 1 C at the start of SLEEP operation when the timer is set After that the temperature goes up by 1 C ever...

Page 20: ... running or not When the ON TIMER setting time is reached the remote control operates according to the contents that are set The remote control display is also switched to the operation contents that are set The setting can be changed from the remote control after ON TIMER operation of the WEEKLY TIMER The following contents can be set by the ON TIMER Operation mode fan speed temperature ECONOMY N...

Page 21: ... the button is pressed the display is switched in the order of 3 Press the SET button The day of the week is determined and the program number blinks Press the PROGRAM button and current day of the week blink Press the or TIMER button Select a day of the week to be reserved Every time the button is pressed the display is switched in the order of Mon Tue Wed Sun Display of all of the days of the we...

Page 22: ...hen OFF TIMER is selected go to Step 9 Setting mode Collective setting Set the same operation contents to the same program number of all the days of the week In Step 2 above select all of the days of the week When the contents that were individually set exist in the same program number the contents are overwritten If no operation is performed for 60 seconds in setting mode the setting changes that...

Page 23: ...splay of all of the days of the week Press the or TIMER button Select a day of the week and a program number to be confirmed Display starts from the current day of the week For the program without set ting is displayed When the PROGRAM button is pressed in Confirm mode a setting mode is set Press the or TIMER button Select a day of the week to be canceled 4 Press the or TIMER button Select a progr...

Page 24: ...opera tion will be canceled 1 When the HI ECO button is pressed again The operation mode will be changed to the ECONOMY operation 2 When the operation mode is changed 3 When it has been 15 min since HIGH POWER operation has started 4 When the SILENT button is pressed 5 When the NIGHT SETBACK button is pressed Not operable while the air conditioner is OFF ECONOMY operation Pressing the HI ECO butto...

Page 25: ...by pressing the NIGHT SETBACK button the operation mode is reset to the mode immediately prior to the NIGHT SETBACK operation NOTE Releasing procedure Press the SILENT button to turn off the SILENT display During SILENT operation the maximum cooling and heating capacities deteriorate SILENT operation will not function during DRY and FAN operation In case of following operations the air conditioner...

Page 26: ...een restored The following settings will be canceled 1 Timer settings 2 HIGH POWER operations Auto restart function is set at on when the air conditioner is shipped from the factory Consult with your dealer if this function needs to be switched off When power failure occurs the timer setting is canceled Once power is resumed set the timer again NOTE Tips for effective operation Please observe the ...

Page 27: ...e and outlet openings of the indoor and outdoor units 1 2 Remove batteries from the remote control Perform the fan operation for 2 to 3 hours Dry the inside of the unit 3 4 Check if there is no corrosion or rust on the base frame of the outdoor unit 1 2 3 Insert batteries in the remote control Turn on the power source 4 5 Clean and reinstall the air filters The air filter that comes with the unit ...

Page 28: ... special purpose tools are required Suitable installation position Do not put any obstruction in front of the indoor unit preventing proper ventilation and functioning Do not install the unit in any of the following places Where there is a danger of leaking flammable gases Where there is substantial splashing of oil Malfunctioning due to corrosion may occur if the unit is installed in a spa where ...

Page 29: ...ly after you have stopped it RUN light is on Not operating Restart is blocked for 3 minutes after you have stopped the operation to protect the unit Please wait for three minutes The three minute protection timer in the microcomputer automatically starts it up again Some steam escapes during COOL operation This may occur if the room s temperature and humidity are very high It disappears as soon as...

Page 30: ...ner that was started later either stop the air conditioner that has priority or cause the operation type of the unit operated first to match that of the unit operated second When other indoor units are operating in different modes the RUN light illuminates When the remote control operation switch is in the AUTO mode the air conditioner automatically selects either COOL DRY or HEAT when operation i...

Page 31: ...hort circuit of outdoor unit TIMER light ON RUN light keeps flashing RUN light ON RUN light 2 time flash 2 time flash 4 time flash 1 time flash RUN light 2 time flash 1 time flash TIMER light 4 time flash 2 time flash 4 time flash 1 time flash 2 time flash 3 time flash 5 time flash 6 time flash Keep flashing Suction pipe sensor error Broken suction pipe sensor wire poor connector connection 5 time...

Page 32: ...ÇE USER S MANUAL AIR CONDITIONER MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS LTD 2 3 Marunouchi 3 chome Chiyoda ku Tokyo 100 8332 Japan http www mhi mth co jp en MITSUBISHI HEAVY INDUSTRIES AIR CONDITIONING EUROPE LTD 5 The Square Stockley Park Uxbridge Middlesex UB11 1ET United Kingdom Tel 44 333 207 4072 Fax 44 333 207 4089 http www mhiae com MITSUBISHI HEAVY INDUSTRIES AIR CONDITIONERS AUSTRALI...

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