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MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
2-3, Marunouchi 3-chome, Chiyoda-ku, Tokyo, 100-8332, Japan
https://www.mhi-mth.co.jp/en/
MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONERS AUSTRALIA, PTY. LTD.
Block E, 391 Park Road, Regents Park, NSW, 2143 PO BOX 3167, Regents Park, NSW, 2143
Tel : +61-2-8774-7500
Fax: +61-2-8774-7501
https://www.mhiaa.com.au/
RLH012A004A_Cover.indd 1
RLH012A004A_Cover.indd 1
USER'S MANUAL
AIR-CONDITIONER
DXK05ZTLA-WF
DXK07ZTLA-WF
DXK09ZTLA-WF
DXK12ZTLA-WF
DXK18ZTLA-WF
RLH012A004A
202304
2023/05/18 13:22
2023/05/18 13:22
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Table of Contents
Related Manuals for Mitsubishi Heavy Industries DXK05ZTLA-WF
Summary of Contents for Mitsubishi Heavy Industries DXK05ZTLA-WF
- Page 1 MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. 2-3, Marunouchi 3-chome, Chiyoda-ku, Tokyo, 100-8332, Japan https://www.mhi-mth.co.jp/en/ MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONERS AUSTRALIA, PTY. LTD. Block E, 391 Park Road, Regents Park, NSW, 2143 PO BOX 3167, Regents Park, NSW, 2143 Tel : +61-2-8774-7500 Fax: +61-2-8774-7501 https://www.mhiaa.com.au/...
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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 supervision. • Do not expose yourself to the cooling 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 under- 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 Page 30 QR code • Allergen clear filter • You can check Air inlet Air inlet panel (Light orange) the SSID and Page 29 KEY (Password). Air filters Page 29 •... - Page 11 Name of each part and its function Unit display section RUN light (green) Remote control signal receiver • Illuminates during operation. • Flashes slowly when SELF CLEAN Unit ON/OFF button operation (3 seconds ON, 1 second OFF). This button can be used for turning on/off Page 24 the unit when a remote control is not available.
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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 types (manganese/ alkaline). • Alkaline batteries are recommended. Insert new batteries. • Remove the batteries when the remote control is not used for a long period. R03 (AAA, Micro) ×... -
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 AIRFLOW U/D (UP/DOWN) button and the AIRFLOW 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 LCD screen Press the button of the remote control lights the backlight. Page 9 ON/OFF (luminous) button The backlight can be turned on/off. Press to start operation, press again Page 23 to stop. -
Page 16: Current Time Setting
Current time setting ■ When inserting the batteries, the current time is automatically set to time setting mode. 13:00 is displayed as the current time. Set the clock to the right time. Example: Set to 10:30. Press the TIME SET UP switch. Press with the tip of a ballpoint pen, etc. -
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 TEMP/TIMER 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/TIMER button. Press button for the preferred temperature. Recommendation COOL HEAT 26 °C - 28 °C 20 °C - 24 °C 24 °C - 26 °C —... -
Page 19: Airflow Direction Adjustment
Airflow direction adjustment ■ Up/down direction can be adjusted with the AIRFLOW U/D (UP/DOWN) button on the remote control. Every time you press this button, the mode changes as follows: Change on AIRFLOW (UP/DOWN) mode. (Flap stopped) (Swing) ■ Left/right direction can be adjusted with the AIRFLOW L/R (LEFT/RIGHT) button on the remote control. Every time you press this button, the mode changes as follows: Change on AIRFLOW (LEFT/RIGHT) mode. -
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. If it is pressed while the unit is off ■... -
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: Program Timer Operation
PROGRAM TIMER operation ■ This is the combined timer operation of ON TIMER and OFF TIMER. Once this has been set, the timer operations will be repeated at the same time every day unless the CANCEL button is pressed. 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: 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 24: 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 25: Menu Function
MENU function ■ MENU function is used for setting the Wireless LAN connection setting, Backlight setting, Display brightness adjustment, SELF CLEAN operation, Fan control in heating thermo - OFF, SILENT mode 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 26: Display Brightness Adjustment
Display brightness adjustment ■ This function can be used when it is necessary to adjust the brightness of unit display. Select the Display brightness adjustment by pressing the MENU switch. Select the brightness level by pressing “ or (TEMP/ TIMER)” button. 100 % 50 % (Default) -
Page 27: 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 28: Silent Mode Setting
SILENT mode setting ■ This function allows you to adjust the volume of the sound issued from the outdoor unit during SILENT operation in 2 levels. Select the SILENT mode setting by pressing the MENU switch. Select the SILENT mode by pressing “ or (TEMP/ TIMER)”... -
Page 29: Initialization Of Wireless Lan Setting
Initialization of wireless LAN setting ■ 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. If the air-conditioner is running, press the ON/OFF button to stop. -
Page 30: Preset Operation
PRESET operation How to save ■ This operation can save the preferred setting for future 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. Select preferred OPERATION MODE, TEMPERATURE, FAN SPEED and AIRFLOW direction. -
Page 31: 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 32 ❚ 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 33: 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 34 ❚ 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 35: 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 36: 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 37: Dred
DRED ■ This air-conditioner complies with the DRED (Demand Response Enabling Devices) standard AS/NZS4755.3.1 and supports demand response modes 1, 2 and 3 (DRM1, 2 and 3). Since the air-conditioner limits the electric power or energy by receiving the DRED input signal, the sense of cooling operation or heating operation may deteriorate over time. - Page 38 EN-36 RLH012A004_EN.indd 36 RLH012A004_EN.indd 36 2023/05/18 13:31 2023/05/18 13:31...