Mitsubishi Heavy Industries SRK24YRA-W User Manual
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Mitsubishi Heavy Industries SRK24YRA-W User Manual

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ORIGINAL INSTRUCTIONS
USER'S MANUAL
AIR-CONDITIONER
SRK24YRA-W
RLD012A010B

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Summary of Contents for Mitsubishi Heavy Industries SRK24YRA-W

  • Page 1 ORIGINAL INSTRUCTIONS USER’S MANUAL AIR-CONDITIONER SRK24YRA-W RLD012A010B...

  • Page 3: Table Of Contents

    Thank you for purchasing a MITSUBISHI HEAVY INDUSTRIES, 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 instruction manual, please keep it safely. If someone else takes over as operator, make sure that the manual is also passed on to the new operator.
  • 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 qualifi ed professional. It is not advisable to install the system by yourself, as faulty handling may cause leakage of water, electric shock or fi...
  • Page 6 ❚ Safety precautions ❚ OPERATION PRECAUTIONS WARNING • Children shall not play with the • Cleaning and user maintenance shall appliance. 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 fi ns on the • Do not shut off the power source air 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 ❚ PRECAUTIONS FOR RELOCATION OR REPAIRS WARNING • Do not perform any repairs or modifi cations 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 9: Name Of Each Part And Its Function

    Name of each part and its function INDOOR UNIT Air inlet panel Page 26 Indoor unit fan Unit display section Page 8 Wireless remote control Air fi lter Removes dust or dirt from the inlet air. Page 26 Heat exchanger Air-cleaning fi...
  • Page 10 Name of each part and its function Unit display section Unit ON/OFF button Remote control signal receiver This button can be used for turning on/off the unit when a remote control is not available. Page 9 TIMER light (yellow) RUN light (green) Illuminates during TIMER operation.

  • Page 11: Remote Control Handling

    Remote control handling Replacing the batteries The following cases show exhausted batteries. Replace old batteries with new ones. • Receiving beep is not emitted when a signal is transmitted. • Display fades away. NOTE Pull out the cover and take •...

  • Page 12: 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 Pull out the cover and take out Turn off the power source and turn it on after 1 minute.

  • Page 13: Airfl Ow Range Setting

    Airfl ow range setting ■ Take the air-conditioner location into account and adjust the left/right airfl ow range to maximize air-conditioning. If the air-conditioner is running, press the ON/OFF button to stop. The airfl ow range setting cannot be made while the unit is running. Press the AIR FLOW U/D (UP/DOWN) button and the AIRFLOW L/R (LEFT/RIGHT) button together for 5 seconds or more.

  • Page 14: Operation And Display Section For Remote Control

    Operation and display section for remote control Transmission section OPERATION MODE select button Each time the button is pressed, the mode changes. ON/OFF (luminous) button Page 13 Press to start operation, press again to stop. TEMPERATURE button This button sets the room temperature. FAN SPEED button Each time the button is pressed, the fan speed changes.

  • Page 15: 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 a time. Example: Set to Sat 10:30. Press the TIME SET UP switch.

  • Page 16: Air-Conditioner Operable Temperature Setting

    Air-conditioner operable temperature setting ■ Use within the following operational range. Operating outside of this range may result in the protection devices being activated, preventing the unit from working. Cooling operation Outside temperature Approximately -15 to 46 °C Inside temperature Approximately 18 to 32 °C Below approximately 80% The long-term use of the unit with a humidity level...

  • Page 17: Airfl Ow Direction Adjustment

    Airfl ow 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 18: 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. Page 18 Press the SLEEP button. ■ If it is pressed while the unit is off SLEEP TIMER operation starts with the previous operation settings, and the air-conditioner is turned off after the set time lapses.

  • Page 19: 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 18 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 20: On-Timer + Off-Timer Operation

    ON-TIMER + OFF-TIMER operation ■ The timer operations of the combination of ON and OFF-TIMER. Example: Present time is 21:00. The air-conditioner running. When it is prefered to stop at 22:30, and then start operation at 8:00, near the set temperature.

  • Page 21: 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. Max 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 22 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 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:...
  • Page 23 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: (Units of ten minutes) 0:00 23:50 23:40...
  • Page 24 How to cancel the setting <Individual setting> Press the PROGRAM button. and current day of the week blink. 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 blinks. Press the “...

  • Page 25: High Power/Economy Operation

    HIGH POWER/ECONOMY operation Press the ON/OFF button. Press the HI/ECO button. • When the operating mode is COOL Every time the HI/ECO button is pressed, the display is switched in the order of: No display (HIGH POWER) (ECONOMY) (Normal operation) •...

  • Page 26: Silent Operation

    SILENT operation ■ When the SILENT operation is set, the unit operates more silently reducing noise from the outdoor unit. With the air-conditioner turned off, start the operation from Step 1. With the air-conditioner running, start from Step 2. Press the ON/OFF button. Press the SILENT button.

  • Page 27: Self Clean Operation

    SELF CLEAN operation ■ CLEAN operation should be run after COOL and DRY operation to remove the moisture from inside the indoor unit and control the growth of mold and bacteria. In order to active CLEAN operation, press the CLEAN switch with the tip of a ballpoint pen.

  • Page 28: Maintenance

    Maintenance Before maintenance During the operational season Cleaning the air fi lter Standard interval is once Turn off the power source. every two week • Pull up the air inlet panel forward. Remove the air fi lter • Lightly hold the knobs both sides and lift a little to remove the panel forward.
  • Page 29 Cooling is affected by an air fi lter clogged up with dust etc., and the operation noise becomes louder. It may also NOTE use extra electricity. Please clean the air fi lter at appropriate intervals. At the end of the season At the beginning of the season Perform the fan operation for 2 to 3 hours.

  • Page 30: 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 fl ammable gases. •...

  • Page 31: Notice

    Notice Air fl ow Airfl ow is not blown out when starting the DRY operation. The indoor fan may stop to prevent re-evaporation of dehumidifi ed moisture and to save energy. (RUN light is on) Noise You hear a slight gurgling sound. This is caused by refrigerating liquid moving within the unit.

  • Page 32: 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. CAUTION Fuse often blows. If the power cord becomes damaged, ask your dealer or a qualifi...

  • Page 33: 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 • Broken heat exchanger sensor 1 wire, poor connector Heat exchanger sensor 1 error 1-time fl...

  • Page 34: 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 may deteriorate over time.
  • Page 36 AIR-CONDITIONING & REFRIGERATION DIVISION 3-1, Asahi, Nishibiwajima-cho, Kiyosu, Aichi, 452-8561, Japan http://www.mhi.co.jp MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONERS AUSTRALIA, PTY. LTD. 9C Commercial Road Kingsgrove NSW 2208 PO BOX 318 Kingsgrove NSW 1480 Tel : +61-2-8571-7977 Fax : +61-2-8571-7992 http://www.mhiaa.com.au...

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