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Related Manuals for Mitsubishi Heavy Industries SRK20ZT-WA
Summary of Contents for Mitsubishi Heavy Industries SRK20ZT-WA
- Page 1 ORIGINAL INSTRUCTIONS USER’S MANUAL AIR-CONDITIONER USER’S MANUAL ENGLISH AIR-CONDITIONER BRUGERVEJLEDNING DANSK KLIMAANLÆG BRUKSANVISNING NORSK KLIMAANLEGG KÄYTTÄJÄN KÄSIKIRJA SUOMI SRK20ZT-WA ILMASTOINTILAITE SRK25ZT-WA ANVÄNDARHANDBOK SVENSKA LUFTVÄRMEPUMP RLF012A115 202309...
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Page 3: Table Of Contents
Thank you for purchasing a MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. Air-Conditioner. To get the best long-lasting performance, please read and follow this user’s manual carefully before using your air-conditioner. After reading, please store the manual in a safe place and refer to it for operational questions or in the event of any irregularities. -
Page 4: Safety Precautions
Safety precautions Before starting to use the system, please read these “Safety precautions” carefully to ensure proper operation of the system. When you have read this user’s manual, please keep it safely. If someone else takes over as user, make sure that the manual is also passed on to the new user. - Page 5 ❚ Safety precautions ❚ INSTALLATION PRECAUTIONS WARNING The system is for domestic and residential use. If used in severe environments, such as an engineering workplace, the equipment may function poorly. The system must be installed by your dealer or a qualified installer. It is not advisable to install the system by yourself, as faulty handling may cause leakage of water, electric shock or fire.
- Page 6 ❚ Safety precautions ❚ OPERATION PRECAUTIONS WARNING Children shall not play with the Cleaning and user maintenance shall air-conditioner. not be made by children without Do not expose yourself to the cooling supervision. Do not insert anything into the air air for a long period.
- Page 7 ❚ Safety precautions CAUTION Do not touch the aluminum fins on the Do not shut off the power source heat exchanger. immediately after stopping the operation. It may result in injury. Do not place household electrical Wait at least 5 minutes, otherwise there is appliances or household items a risk of water leakage or breakdown.
- Page 8 ❚ Safety precautions ❚ WIRELESS LAN PRECAUTIONS WARNING Do not turn ON the wireless LAN communication near automatic control equipment such as an automatic door or fire-alarm device. It may cause an accident due to malfunction of equipment. Do not turn ON the wireless LAN communication in a hospital, etc. where the use of wireless devices is prohibited.
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Page 9: Tips For Effective Operation
❚ Safety precautions ❚ PRECAUTIONS FOR RELOCATION OR REPAIRS WARNING Do not perform any repairs or modifications by yourself. Consult the dealer if the unit requires repair. If you repair or modify the unit, it can cause water leaks, electric shocks or fire. ... -
Page 10: Name Of Each Part And Its Function
Name of each part and its function INDOOR UNIT Air-cleaning filter Allergen clear filter (Light orange) Room temperature Air inlet panel Air inlet sensor Page 32 Model name Air filters Filter holder Page 32 Photocatalytic washable deodorizing filter (Orange) ... - Page 11 ❚ Name of each part and its function Unit display section RUN light (green) Illuminates during operation. Remote control signal receiver Flashes slowly when SELF CLEAN operation (3 seconds ON, 1 second OFF). Page 28 Flashes when airflow is stopped to prevent blowing out of cold air in heating operation.
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Page 12: Remote Control
Remote control Setting the batteries NOTICE Remove the cover. Do not mix old and new batteries or batteries of different type (manganese / alkaline). Remove the batteries when the remote control is not used for a long period. Insert new batteries. -
Page 13: Installing Two Air-Conditioners In The Same Room
Installing two air-conditioners in the same room ■ When two air-conditioners are installed in the same room, use this setting when the two air-conditioners are not operated with one remote control. Set the remote control and indoor unit. Setting the remote control Setting an indoor unit Remove the cover and take out Turn off the power source and turn it on after 1 minute. -
Page 14: Airflow Range Setting
Airflow range setting ■ Take the air-conditioner location into account and adjust the left/right airflow range to maximize air-conditioning. If the air-conditioner is running, press the ON/OFF button to stop. The airflow range setting cannot be made while the unit is running. Press the AIR FLOW U/D (UP/DOWN) button and the AIR FLOW L/R (LEFT/RIGHT) button together for 5 seconds or more. -
Page 15: Operation And Display Section For Remote Control
Operation and display section for remote control Transmission section OPERATION MODE select button ON/OFF (luminous) button Press to start operation, press again Each time the button is pressed, the mode changes. to stop. Page 14,16 TEMPERATURE button FAN SPEED button This button sets the room temperature. -
Page 16: Current Time Setting
Current time setting ■ When inserting the batteries, the current time is automatically set to time setting mode. Mon and 13:00 are displayed as the current time. Set a correct day of the week and time. Example: Set to Sat 10:30. Press the TIME SET UP switch. -
Page 17: Temperature Adjustment During Auto Mode
Temperature adjustment during AUTO mode ■ Default preset temperature during AUTO mode is 24 °C for both cooling and heating mode. However, it can be adjusted (Minimum 18 °C, Maximum 30 °C) using button or button. Press the“ or (TEMP)” button. When it is a little cold Press the button. -
Page 18: Cool/Heat/Dry/Fan Mode Operation
COOL/HEAT/DRY/FAN mode operation Press the MODE button. Set to a required mode. (COOL), (HEAT), (DRY), (FAN) Press the ON/OFF button. Press the TEMP button. Press button for the preferred temperature. Recommendation COOL HEAT 26 °C - 28 °C 22 °C - 24 °C 24 °C - 26 °C —... -
Page 19: Airflow Direction Adjustment
Airflow direction adjustment ■ Up/down direction can be adjusted with the AIR FLOW U/D (UP/DOWN) button on the remote control. Every time you press this button, the mode changes as follows: Change on AIR FLOW (UP/DOWN) mode. (Flap stopped) (Swing) ■... -
Page 20: Sleep Timer Operation
SLEEP TIMER operation ■ The unit will stop automatically after the set time lapses. The set temperature is automatically adjusted according to the lapse time in order to avoid too much cooling or heating. Page 20 Press the SLEEP button. ■... -
Page 21: On Timer Operation
ON TIMER operation ■ Operation starts 5 to 60 minutes before the set time so that the room temperature reaches the optimum temperature at the set time. Page 20 ON TIMER operation can be set regardless of whether the air-conditioner is running or not. Example: When the preferred room temperature is required at 8:00. -
Page 22: On Timer + Off Timer Operation
ON TIMER + OFF TIMER operation ■ This is the combined timer operation of ON TIMER and OFF TIMER. Example: Present time is 21:00. The air-conditioner running. When it is preferred to stop at 22:30, and then start operation at 8:00, near the set temperature. -
Page 23: Weekly Timer Operation
WEEKLY TIMER operation ■ Up to 4 programs with timer operation (ON TIMER / OFF TIMER) are available for each day of the week. Maximum 28 programs per week are available. Once this has been set, the timer operation will be repeated at the same programs every week unless the WEEKLY TIMER is canceled. - Page 24 Setting mode <Individual setting> Set after setting the current day of the week and the time. Press the PROGRAM button. and current day of the week flash. 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:...
- Page 25 Press the “ or (TIMER)” button. Set a time. Every time the button is pressed, the display is switched in the order of: 0:00 0:10 0:20 1:00 1:10 (Units of ten minutes) Every time the button is pressed, the display is switched in the order of: 0:00 23:50 23:40 23:00 22:50...
- Page 26 How to cancel the setting <Individual setting> Press the PROGRAM button. and current day of the week flash. Press the “ or (TIMER)” button. Select a day of the week to be canceled. Press the SET button. The day of the week is determined and the program number flashes. Press the “...
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Page 27: High Power/Economy Operation
HIGH POWER/ECONOMY operation ■ When the air-conditioner is turned off, start the operation from Step 1. When the air-conditioner is running, start from Step 2. Press the ON/OFF button. Press the HI/ECO button. When the operating mode is AUTO, COOL or HEAT Every time the HI/ECO button is pressed, the display is switched in the order of: No display... -
Page 28: Night Setback Operation
NIGHT SETBACK operation ■ During the cold season, the room temperature can be maintained at a comfortable level during the absence, at night, and while the room is unattended. The air-conditioner maintains the constant temperature at about 10 °C. Press the NIGHT SETBACK button. Every time the NIGHT SETBACK button is pressed, the display is switched in the order of: No display... -
Page 29: Menu Function
MENU function ■ MENU function is used for setting the Display brightness adjustment, SELF CLEAN operation, Fan control in heating thermo - OFF, PRESET operation, Wireless LAN connection setting, and Wireless LAN communication setting. Every time the MENU switch is pressed with the tip of a ballpoint pen, etc., the display is switched in order of: Display brightness SELF CLEAN... -
Page 30: Self Clean Operation
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. Select the SELF CLEAN operation by pressing the MENU switch. -
Page 31: Fan Control In Heating Thermo - Off
Fan control in heating thermo - OFF ■ When the room temperature reaches the set temperature during heating operation, the heating thermostat turns OFF. Fan control in heating thermo - OFF can be selected. Select the Fan control in heating thermo - OFF by pressing the MENU switch. -
Page 32: Preset Operation
PRESET operation ■ This operation can save the preferred setting for future operation. Select the PRESET operation by pressing the MENU switch. Select preferred OPERATION MODE, TEMPERATURE, FAN SPEED and AIR FLOW direction. Press the SET button. When air -conditioner is operating AUTO, COOL, HEAT, DRY, FAN and NIGHT SETBACK, press MODE button 3 seconds or more. -
Page 33: Wireless Lan Communication Setting
Wireless LAN communication setting ■ The wireless LAN communication setting can be switched between ON and OFF. Wireless LAN communication setting can be set regardless of whether the air-conditioner is running or not. Select the Wireless LAN communication setting by pressing the MENU switch. -
Page 34: Maintenance
Maintenance Before maintenance During the operational season Cleaning the air filter Standard interval is once Turn off the power source. every two week Remove the air filter Pull up the air inlet panel forward. Lightly hold the knobs both sides and lift a little to remove the panel forward. - Page 35 ❚ Maintenance NOTICE 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. At the end of the season At the beginning of the season Perform the fan operation for 2 to 3 hours.
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Page 36: Proper Installation
Proper installation 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. ... - Page 37 ❚ Notice Noise You hear a slight gurgling sound. This is caused by refrigerant moving within the unit. You hear a slight cracking sound. This is caused by heat expansion or contraction. You hear a hissing or clicking sound. This is caused by the operation of the refrigerant control valves or electric components.
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Page 38: Contact Your Dealer
Contact your dealer ■ Turn off the power switch immediately and inform your dealer in any of the following situations: The fuse or switch blows continuously. The cable becomes extremely hot. The covering of the cable is cracked. ... -
Page 39: Self Diagnosis Function
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 RUN light Description of trouble Cause Indoor heat exchanger sensor 1 • Broken heat exchanger sensor 1 wire, poor connector 1-time flash error connection... - Page 40 EN-38...
- Page 41 EU DECLARATION OF CONFORMITY MITSUBISHI HEAVY INDUSTRIES 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. Description of apparatus: Split Type Air Conditioner...
- Page 42 5 The Square, Stockley Park, Uxbridge, Middlesex, UB11 1ET, United Kingdom Tel : +44-333-207-4072 Fax: +44-333-207-4089 https://mhiae.com MHIAE SERVICES B.V. (Wholly-owned subsidiary of MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONING EUROPE, LTD.) Herikerbergweg 238, Luna ArenA, 1101 CM Amsterdam, Netherlands P.O.Box 23393 1100 DW Amsterdam, Netherlands Tel : +31-20-406-4535 http ://www.mhiaeservices.com/...