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Mitsubishi Heavy Industries SRK15ZTL-W, User Manual, Page: 32 / 38

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Mitsubishi Heavy Industries SRK15ZTL-W User Manual Download Page 32

 EN-30 

 

❚

Maintenance

At the end of the season

At the beginning of the season

Stop the unit and turn off the power source.

The unit consumes approx. 4 W even when the unit is not operating. 
Turning off the power source will help saving energy consumption and cost.

Ensure that the earth wiring is not snapped nor 
disconnected.

Make sure that there are no obstacles blocking 
the airflow around the air intake and outlet 
openings of the indoor and outdoor units.

1

2

Remove batteries from the remote control.

Clean both the indoor and outdoor units.

Clean and reinstall the air filters.

Perform the fan operation for 2 to 3 hours.

Dry the inside of the unit.

3
4
5

Make sure that there is no corrosion or rust on 
the base frame of the outdoor unit.

Insert batteries in the remote control.

Turn on the power source.

3

2

1

4

5

Installing, inspecting and replacing the air-cleaning filter

1. Open the air inlet panel and remove the air filters. 

 Page 29

2. Remove the allergen clear filter (Light orange) from air-conditioner and inspect the 

filter. Use a vacuum cleaner to remove any dust or dirt from the allergen clear filter. 
Replace the allergen clear filter if it cannot be cleaned or if it has been for about 
1 year.
(The allergen clear filter should be replaced after about 1 year of used. However, the 
actual replacement period may vary depending on the conditions in which the filter 
is used.)

3. Install the air-cleaning filter in the air-conditioner.

NOTE

  Install the allergen clear filter with the light orange side on front side.

  The heat exchanger may injure your fingers. 

  Stand firmly on a stepladder or other stable object when removing the air inlet panel and filters.

 Item 

Feature 

Color

For replacing the air-cleaning filter, contact your dealer.

Enzyme technology is used to eliminate allergens that 
accumulate on the “Allergen clear filter”.

Allergen clear filter

Light orange

 CAUTION

4. Install the air filters and close the air inlet panel. 

 Page 29

Air-cleaning filter

  Cooling/heating is affected by an air filter clogged up with dust etc., and the operation noise becomes louder. It may also use extra 

electricity. Please clean the air filter at appropriate intervals.

NOTE

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2021/11/29   10:31:36

Summary of Contents for SRK15ZTL-W

Page 1: ...STEMS 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 MHIAE SERVICES B V Wholly owned subsidiary of MITSUBISHI HEAVY INDUSTRIES AIR CONDITIONING EUROPE LTD Herikerbergweg 238 Lun...

Page 2: ...RIES THERMAL SYSTEMS LTD 2 3 Marunouchi 3 chome Chiyoda ku Tokyo 100 8332 Japan declare under our sole responsibility that the apparatus referred to in this declaration conforms with the following directives Relevant EU Directives Machinery 2006 42 EC Applied Standards Regulations EN 60335 1 EN 60335 2 40 Conformity model list Authorised Representative in the EU MHIAE SERVICES B V Herikerbergweg 2...

Page 3: ...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 Tips for effective operation 7 Name of each part and its function 8 Remote control 10 Operation failure with the remote control 10 Temporary run operation 10 Installing two air conditioners in the same room 11 Child lock...

Page 4: ... the user s manual and or installation manual Following precaution is 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 to accelerate the defrosting process or to clean other than tho...

Page 5: ...eaker you may get an electric shock Make sure to install the 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 ...

Page 6: ...ls 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 was...

Page 7: ...ion may cause accidents due to oxygen deficiency Stand firmly on a stepladder or other stable object when removing the inlet panel and filters Failure to observe this may result in injury through insecure objects toppling over 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...

Page 8: ...nction of a medical device CAUTION Do not turn ON the wireless LAN communication near another wireless device microwave cordless phone fax machine etc It may cause malfunction of wireless device When operating the air conditioner from outdoors fully confirm the statuses of the unit its periphery and persons in the room beforehand It may cause damage to your health contamination of household goods ...

Page 9: ...nt gas is inhaled excessively it may cause deterioration of nerve function like dizziness and headache or deterioration of heart function like irregular heartbeat and heart palpitation temporarily If refrigerant unexpectedly leaks from the unit onto a fan heater stove hotplate or other heat source harmful gases could be generated Tips for effective operation Please observe the following for the mo...

Page 10: ... CAUSE INJURY SHARP EDGE OF FINS MOVING FAN BLADES CAUTION Don t touch the terminal Don t touch refrigerant pipings and connections block Model name Unit display section Page 9 DONOTINSERTANYTHING INTOTHEAIROUTLET WARNING This equipment uses flammable refrigerant Page 2 Model name and refrigerant type This equipment uses flammable refrigerant Page 2 Do not wash the inside of the air conditioner Wa...

Page 11: ...ertain period of time The backlight can be turned on off page 23 NOTE Preset temperature Airflow setting Remote control Remote control holder Allergen clear filter Light orange Battery 2 R03 AAA Micro Wood screw 2 for remote control holder mounting Accessories Pip Pip Pip Pip Pip Pip Pip Pip Pip Pip Pip Pip RUN light green Illuminates during operation Blinks slowly when SELF CLEAN operation 3 seco...

Page 12: ...he holder Using the remote control holder Warning note for remote control Are the batteries running down Setting 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 run operation function Temporary run operation below Strictly prohibited Do not drop the remote control Handle...

Page 13: ... the indoor unit At completion of the setting the indoor unit emits a buzzer sound peep If no reception sound is emitted start the setting from the beginning 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 indoor unit for some time Child lock This function locks the remote control operation to prevent an...

Page 14: ...n 60 seconds of setting the airflow range while the airflow range setting display illuminates The diagram below indicates the airflow ranges corresponding to the air conditioner s installation location Consider your room s layout and set the airflow range to maximize air conditioning Air conditioner installation location and airflow range Airflow range Airflow range Airflow range Left End Installa...

Page 15: ...tion Page 17 NIGHT SETBACK button This button sets NIGHT SETBACK operation Page 22 ACL switch This switch resets the program to default state Page 10 14 TIME SET UP switch This switch is used for setting the time Page 14 This button use to set Child lock Page 11 TEMP TIMER button This button sets the room temperature This button is used for setting the current time and timer function OPERATION MOD...

Page 16: ... the TIME SET UP switch Press with the tip of a ballpoint pen etc The time display blinks and can be set to the current time Press the or TEMP TIMER button Set to 10 30 Press the ON OFF button The time display changes from blinking to steady lighting and the setting is complete Make sure to press the button within 60 seconds from the last operation in step 2 otherwise the time will not be set The ...

Page 17: ... is pressed the indicator does not change Press the button When it is a little cold Press the button When it is a little hot FAN SPEED The FAN SPEED can be set except for DRY mode Press the FAN SPEED button Press or button for the preferred fan speed 1 When FAN SPEED is changed from Hi to Lo or ULo the sound of refrigerant may be heard When COOL mode is used if outside temperatures are low the FAN...

Page 18: ...may frost over which prevents efficient heating If this happens the automatic defrost function is activated and the heating operation stops for 5 to 15 minutes during defrosting Both indoor and outdoor fans stop and the RUN light blinks slowly 1 5 seconds ON 0 5 seconds OFF during defrosting The outdoor unit may release some steam during defrosting This is to help the defrosting process and is not...

Page 19: ...he horizontal center position in order to avoid cold draft It returns to the set position when the warm air supply is started The flap and louver direction will be controlled to the horizontal center position when the room temperature reaches the set temperature and compressor stops or when defrosting is in operation The airflow direction cannot be set during the period mentioned above Change the ...

Page 20: ...FF TIMER button The display changes from blinking to steady lighting and the setting is complete The timer light yellow is on 2 How to cancel Press the CANCEL button to turn off the timer display The unit stops at the end of the set period of time Make sure to press the button within 60 seconds from the last operation in step 3 otherwise the setting is not completed The current time is not display...

Page 21: ...ime the button is pressed the display is switched in the order of 0 00 23 50 23 40 23 00 22 50 Units of ten minutes Set at 8 00 Press the ON TIMER button The display changes from blinking to steady lighting and the setting is complete The timer light yellow is on If ON TIMER setting is performed when air conditioner is running air conditioner operation will stop Changing of set time Set a new time...

Page 22: ...s Check the room temperature 1 hour 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 cooling or too warm during heating Operation Set temperature How to cancel Press the CANCEL button to turn off the timer display Changing of set time Set a new time by using the OFF TIMER or ON TIMER button NOTE E...

Page 23: ... 2 When the operation mode is changed 3 When it has been 15 minutes since HIGH POWER operation has started 4 When the 3D AUTO button is pressed 5 When the SILENT button is pressed 6 When the NIGHT SETBACK button is pressed Not operable while the air conditioner is OFF It will go into ECONOMY operation at the next time the air conditioner runs in the following case 1 When the air conditioner is sto...

Page 24: ...ot be made Since the room temperature may change quite a bit it is recommended that this be used when no one is in the room During NIGHT SETBACK operation HIGH POWER and ECONOMY operations cannot be set When NIGHT SETBACK operation is canceled by pressing the NIGHT SETBACK button the operation mode is reset to the mode immediately prior to the NIGHT SETBACK operation With this function the air con...

Page 25: ...cklight on Backlight off SILENT mode setting Fan control in heating thermo OFF Wireless LAN communication setting SELF CLEAN operation Display brightness adjustment Wireless LAN connection setting Backlight setting Wireless LAN connection setting For Wireless LAN connection setting refer to another user s manual If the communication status is poor due to radio wave interference by an obstacle micr...

Page 26: ...old germs or grime that have already adhered to the unit SELF CLEAN operation SELF CLEAN operation should be run after AUTO COOL and DRY operation to remove the moisture from inside of the indoor unit and control the growth of mold and bacteria Including when stopped by the TIMER 2 Select SELF CLEAN on by pressing or TEMP TIMER button Select the SELF CLEAN operation by pressing the MENU switch 1 P...

Page 27: ...at regular intervals in order to avoid cold draft during heating thermo OFF The indoor fan stops To use this function additional work is required so consult your dealer Otherwise it may take time to return to heating and the heating capacity may be insufficient Select the Fan control in heating thermo OFF by pressing the MENU switch 1 Press the ON OFF button 3 Normal function Fireplace function In...

Page 28: ...LAN communication setting The wireless LAN communication can be switched between ON and OFF Wireless LAN communication setting can be set regardless of whether the air conditioner is running or not 2 Select the wireless LAN communication by pressing or TEMP TIMER button Select the Wireless LAN communication setting by pressing the MENU switch 1 Press the ON OFF button 3 Initial display Wireless LA...

Page 29: ...the remote control blinks How to cancel Press the CANCEL button Be sure to initialize the setting when the user of the air conditioner changes or the air conditioner is disposed of NOTE If you want to reset the wireless LAN setting it can be initialized to the status at the time of purchase When the wireless LAN setting is initialized data of such as the network setting is erased Initialization of...

Page 30: ...g FAN SPEED button 3 seconds or more for PRESET operation during the 3D AUTO or HIGH POWER operation it will be canceled When pressing FAN SPEED button 3 seconds or more for PRESET operation during the ECONOMY operation it will continue PRESET operation 1 2 Press FAN SPEED button 3 seconds or more The preferred setting for future operation will be saved is displayed for a moment 3 Press FAN SPEED ...

Page 31: ... Cleaning the air inlet panel The panel can be washed with water After washing with water wipe any moisture off the panel and dry it out of direct sunlight Pull up the air inlet panel forward Lightly hold the knobs both sides and lift a little to remove the panel forward If the filter is very dirty clean it with warm water approx 30 C and dry it thoroughly Standard interval is once every two week ...

Page 32: ...filter Use a vacuum cleaner to remove any dust or dirt from the allergen clear filter Replace the allergen clear filter if it cannot be cleaned or if it has been for about 1 year The allergen clear filter should be replaced after about 1 year of used However the actual replacement period may vary depending on the conditions in which the filter is used 3 Install the air cleaning filter in the air c...

Page 33: ...tact your dealer 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 sulfide gases are generated or in a seaside resort...

Page 34: ...after you have stopped the operation to protect the unit The 3 minutes protection timer in the microcomputer automatically starts it up again Some steam releases during COOL operation This may occur if the room s temperature and humidity are very high It disappears as soon as the temperature and humidity decrease Close all windows and doors to prevent outside humidity from entering There is a slig...

Page 35: ...and TIMER lights on the unit display section blink quickly 0 5 seconds ON 0 5 seconds OFF or the lights do not work Auto restart function Auto restart function records the operational status of the air conditioner immediately prior to be switched off by a power cut and then automatically resumes operations after the power has been restored The following settings will be canceled 1 Timer settings 2...

Page 36: ...flash 1 time flash RUN light keeps flashing RUN light ON RUN light 2 time flash RUN light 7 time flash Outdoor temperature sensor error Outdoor heat exchanger sensor error Discharge pipe sensor error Suction pipe sensor error Broken outdoor sensor wire poor connector connection Broken heat exchanger sensor wire poor connector connection Broken discharge pipe sensor wire poor connector connection B...

Page 37: ...RIES THERMAL SYSTEMS LTD 2 3 Marunouchi 3 chome Chiyoda ku Tokyo 100 8332 Japan declare under our sole responsibility that the apparatus referred to in this declaration conforms with the following directives Relevant EU Directives Machinery 2006 42 EC Applied Standards Regulations EN 60335 1 EN 60335 2 40 Conformity model list Authorised Representative in the EU MHIAE SERVICES B V Herikerbergweg 2...

Page 38: ...STEMS 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 MHIAE SERVICES B V Wholly owned subsidiary of MITSUBISHI HEAVY INDUSTRIES AIR CONDITIONING EUROPE LTD Herikerbergweg 238 Lun...

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