MITSUBISHI ELECTRIC PKA-M·LA(L)2 Series Air Conditioners Indoor unit User Manual

June 8, 2024
Mitsubishi Electric

Air Conditioners
Indoor unit
PKA-M·LA(L)2 Series

PKA-M·LA(L)2 Series Air Conditioners Indoor unit

OPERATION MANUAL
For safe and correct use, please read this operation manual thoroughly before operating the air-conditioner unit.

Manual Download

MITSUBISHI ELECTRIC PKA M LA L 2 Series Air Conditioners Indoor unit - QR
Code

http://www.mitsubishielectric.com/ldg/ibim/

Go to the above website to download manuals, select model name, then choose language.

Note
This symbol mark is for EU countries only.
This symbol mark is according to the directive 2012/19/EU Article 14 Information for users and Annex IX, and/or to the directive 2006/66/EC Article 20 Information for end-users and Annex II.
**** Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materials and components which can be recycled and/or reused. This symbol means that electrical and electronic equipment, batteries and accumulators, at their end-of-life, should be disposed of separately from your household waste. If a chemical symbol is printed beneath the symbol (Fig. 1), this chemical symbol means that the battery or accumulator contains a heavy metal at a certain concentration.
This will be indicated as follows: Hg: mercury (0.0005%), Cd: cadmium (0.002%), Pb: lead (0.004%)
In the European Union there are separate collection systems for used electrical and electronic products, batteries and accumulators.
Please, dispose of this equipment, batteries and accumulators correctly at your local community waste collection/recycling centre.
Please, help us to conserve the environment we live in!

Note:
The phrase “Wired remote controller” in this operation manual refers only to the PAR-41MAA.
If you need any information for the other remote controller, please refer to the instruction book included in box.

Safety Precautions

► Before installing the unit, make sure you read all the “Safety Precautions”.
► The “Safety Precautions” provide very important points regarding safety. Make sure you follow them.
► Please report to or take consent by the supply authority before connection to the system.

MEANINGS OF SYMBOLS DISPLAYED ON INDOOR UNIT AND/OR OUTDOOR UNIT

| WARNING
(Risk of fire)
This mark is for R32 refrigerant only. Refrigerant type is written on nameplate of outdoor unit.
In case that refrigerant type is R32, this unit uses a flammable refrigerant.
If refrigerant leaks and comes in contact with fire or heating part, it will create harmful gas and there is risk of fire.
---|---
| Read the OPERATION MANUAL carefully before operation.
| Service personnel are required to carefully read the OPERATION MANUAL and INSTALLATION MANUAL before operation.
****| Further information is available in the OPERATION MANUAL, INSTALLATION MANUAL, and the like.

Symbols used in the text

Warning:
Describes precautions that should be observed to prevent danger of injury or death to the user.
Caution:
Describes precautions that should be observed to prevent damage to the unit.

Symbols used in the illustrations
: Indicates a part which must be grounded.

Warning:

  • There appliances are not accessible to the general public.
  • The unit must not be installed by the user. Ask the dealer or an authorized company to install the unit. If the unit is installed improperly, water leakage, electric shock or fire  may result.
  • Do not alter the unit. It may cause fire, electric shock, injury or water leakage.
  • Do not stand on, or place any items on the unit.
  • Do not splash water over the unit and do not touch the unit with wet hands. An electric shock may result.
  • Do not spray combustible gas close to the unit. Fire may result.
  • Do not place a gas heater or any other open-flame appliance where it will be exposed to the air discharged from the unit. Incomplete combustion may result.
  • Do not remove the front panel or the fan guard from the outdoor unit when it is running.
  • When you notice exceptionally abnormal noise or vibration, stop operation, turn off the power switch, and contact your dealer.
  • Never insert fingers, sticks etc. into the intakes or outlets.
  • If you detect odd smells, stop using the unit, turn off the power switch and consult your dealer. Otherwise, a breakdown, electric shock or fire may result.
  • This air conditioner is NOT intended for use by children or infirm persons without supervision.
  • If the refrigeration gas blows out or leaks, stop the operation of the air conditioner, thoroughly ventilate the room, and contact your dealer.
  • This appliance is intended to be used by expert or trained users in shops, in light industry and on farms, or for commercial use by lay persons.
  • This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
  • Children should be supervised to ensure that they do not play with the air conditioner.
  • This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
  • When installing or relocating, or servicing the air conditioner, use only the specified refrigerant written on outdoor unit to charge the refrigerant lines. Do not mix it with any other refrigerant and do not allow air to remain in the lines. If air is mixed with the refrigerant, then it can be the cause of abnormal high pressure in the refrigerant line, and may result in an explosion and other hazards. The use of any refrigerant other than that specified for the system will cause mechanical failure or system malfunction or unit breakdown. In the worst case, this could lead to a serious impediment to securing product safety.
  • This unit should be installed in rooms which exceed the floor space specified in outdoor unit installation manual. Refer to outdoor unit installation manual.
  • Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.
  • The appliance shall be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater).
  • Do not pierce or burn.
  • Be aware that refrigerants may not contain an odour.

Caution:

  • Do not use any sharp object to push the buttons, as this may damage the remote controller.
  • Never block or cover the indoor or outdoor unit’s intakes or outlets.

Disposing of the unit
When you need to dispose of the unit, consult your dealer.

Parts Names

■ Indoor Unit

| PKA-M·LA(L)2
---|---
Fan speed| 4 speeds + Auto
Vane| Auto with swing
Louver| Manual
Filter| Normal
Filter cleaning indication| 100 hr
Wireless remote controller model No. setting| 001

MITSUBISHI ELECTRIC PKA M LA L 2 Series Air Conditioners Indoor unit - fig
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■ Wired Remote Controller
Controller interface

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The functions of the function buttons change depending on the screen. Refer to the button function guide that appears at the bottom of the LCD for the functions they serve on a given screen. When the system is centrally controlled, the button function guide that corresponds to the locked button will not appear.

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  1. [ON/OFF] button
    Press to turn ON/OFF the indoor unit.

  2. [SELECT] button
    Press to save the setting.

  3. [RETURN] button
    Press to return to the previous screen.

  4. [MENU] button
    Press to bring up the Main menu.

  5. Backlit LCD
    Operation settings will appear.
    When the backlight is off, pressing any button turns the backlight on and it will stay lit for a certain period of time depending on the screen.

  6. ON/OFF lamp
    This lamp lights up in green while the unit is in operation. It blinks while
    the remote controller is starting up or when there is an error.

  7. Function button [F1]
    Main display: Press to change the operation mode.
    Menu screen: The button function varies with the screen.

  8. Function button [F2]
    Main display: Press to decrease temperature.
    Main menu: Press to move the cursor left.
    Menu screen: The button function varies with the screen.

  9. Function button [F3]
    Main display: Press to increase temperature.
    Main menu: Press to move the cursor right.
    Menu screen: The button function varies with the screen.

  10. Function button [F4]
    Main display: Press to change the fan speed.
    Menu screen: The button function varies with the screen.

Display
The main display can be displayed in two different modes: “Full” and “Basic”. The factory setting is “Full”. To switch to the “Basic” mode, change the setting on the Main display setting. (Refer to operation manual included with remote controller.)

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  1. Operation mode

  2. Preset temperature

  3. Clock

  4. Fan speed

  5. Button function guide
    Functions of the corresponding buttons appear here.

  6. Appears when the ON/OFF operation is centrally controlled.

  7. Appears when the operation mode is centrally controlled.

  8. Appears when the preset temperature is centrally controlled.

  9. Appears when the filter reset function is centrally controlled.

  10. Indicates when filter needs maintenance.

  11. Room temperature

  12. Appears when the buttons are locked.

  13. Appears when the On/Off timer, Night setback, or Auto-off timer function is enabled.
    appears when the timer is disabled by the centralized control system.

  14. Appears when the Weekly timer is enabled.

  15. Appears while the units are operated in the energy-save mode. (Will not appear on some models of indoor units)

  16. Appears while the outdoor units are operated in the silent mode.

  17. Appears when the built-in thermistor on the remote controller is activated to monitor the room temperature (1).
    appears when the thermistor on the indoor unit is  activated to moni- tor the room temperature.

  18. Indicates the vane setting.

  19. Indicates the louver setting.

  20. Indicates the ventilation setting.

  21. Appears when the preset temperature range is restricted.

  22. Appears when an energy-saving operation is performed using a “3D iSee sensor” function.

  23.  Centrally controlled
    Appears for a certain period of time when a centrally-controlled item is operated.

  24. Preliminary error display
    An error code appears during the preliminary error.
    Most settings (except ON/OFF, mode, fan speed, temperature) can be made from the Main menu.

■ Outdoor unit

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Operation

■ About the operation method, refer to the operation manual that comes with each remote controller.
3.1. Turning ON/OFF

Press the [ON/OFF] button.
The ON/OFF lamp will light up in green, and the operation will start.
When “LED lighting” is set to “No,” the ON/OFF lamp will not light up.

  • Refer to the installation manual of wired remote controller.

Press the [ON/OFF] button again.
The ON/OFF lamp will come off, and the operation will stop.

Note:
Even if you press the ON/OFF button immediately after shutting down the operation is progress, the air conditioner will not start for about 3 minutes.
This is to prevent the internal components from being damaged.

■ Operation status memory

| Remote controller setting
---|---
Operation mode| Operation mode before the power was turned off
Preset temperature| Preset temperature before the power was turned off
Fan speed| Fan speed before the power was turned off

■ Settable preset temperature range

Operation mode Preset temperature range
Default 14 °C Cooling 1 2
Cool/Dry 19 — 30 °C
Heat 17 — 28 °C
Auto 19 — 28 °C
FanNentilation Not settable

1 It is available when the indoor unit is connected to any of the particular outdoor units.
2 Function setting needs to be changed. Refer to the installation manual for the setting method.

3.2. Mode Selection

Each pressing of the [F1] button cycles through the following operation modes. Select the desired operation mode.

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  • Operation modes that are not available to the connected outdoor unit models will not appear on the display.

What the blinking mode icon means
The mode icon will blink when other indoor units in the same refrigerant system (connected to the same outdoor unit) are already operated in a different mode. In this case, the rest of the unit in the same group can only be operated in the same mode.

Automatic operation
< Single set point>
■ According to a set temperature, cooling operation starts if the room temperature is too hot and heating operation starts if the room temperature is too cold.
■ During automatic operation, if the room temperature changes and remains 2.0 °C or more above the set temperature for 15 minutes, the air conditioner switches to cool mode. In the same way, if the room temperature remains 2.0 °C or more below the set temperature for 15 minutes, the air conditioner switches to heat mode.

MITSUBISHI ELECTRIC PKA M LA L 2 Series Air Conditioners Indoor unit - fig
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< Dual set point>
Note:

  • This function cannot be set depending on the outdoor unit to be connected.

When the operation mode is set to the Auto (dual set point) mode, two preset temperatures (one each for cooling and heating) can be set. Depending on the room  temperature, indoor unit will automatically operate in either the Cool or Heat mode  and keep the room temperature within the preset range.
For details on how to operate, refer to manual of remote controller.

3.3. Temperature setting
< Cool, Dry, Heat, and Auto>

MITSUBISHI ELECTRIC PKA M LA L 2 Series Air Conditioners Indoor unit - fig
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Press the [F2] button to decrease the preset temperature, and press the [F3] button to increase.

  • Refer to the table on 3-1 for the settable temperature range for different operation modes.
  • Preset temperature range cannot be set for Fan/Ventilation operation.
  • Preset temperature will be displayed either in Centigrade in 0.5- or 1-degree increments, or in Fahrenheit, depending on the indoor unit model and the display mode setting on the remote controller.

3.4. Fan speed setting

Press the [F4] button to go through the fan speeds in the following order.

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  • The available fan speeds depend on the models of connected indoor units.

Notes:

  • The number of available fan speeds depends on the type of unit connected.
  • In the following cases, the actual fan speed generated by the unit will differ from the speed shown the remote controller display.
  1. While the display is in “Standby” or “Defrost” states.
  2. When the temperature of the heat exchanger is low in the heating mode. (e.g. immediately after heating operation starts)
  3. In HEAT mode, when room temperature is higher than the temperature setting.
  4. In COOL mode, when room temperature is lower than the temperature setting.
  5. When the unit is in DRY mode.

3.5. Airflow direction setting
3.5.1 Navigating through the Main menu

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Press the [MENU] button on the Main display.
The Main menu will appear.

< Item selection>

Press [F2] to move the cursor left.
Press [F3] to move the cursor right.

< Exiting the Main menu screen>

Press the [RETURN] button to exit the Main menu and return to the Main display.

If no buttons are touched for 10 minutes, the screen will automatically return to the Main display. Any settings that have not been saved will be lost.

< Display of unsupported functions>

The message at left will appear if the user selects a function not supported by the corresponding indoor unit model.

3.5.2 Vane·Vent. (Lossnay)
< Accessing the menu>

Select “Operation” from the Main menu (refer to 3.5.1), and press the [SELECT] button.

Select “Vane·Louver·Vent. (Lossnay)” from the Operation menu, and press the [SELECT] button.

< Vane setting>

Press the [F1] or [F2] button.
Press the button as indicated above to go through the following setting options.

Select “Swing” to move the vanes up and down automatically. When set to “Step 1” through “Step 5”, the vane will be fixed at the selected angle.

< Vent. setting>

Press the [F4] button to go through the ventilation setting options in the order of “Off”, “Low”, and “High”.

  • Settable only when LOSSNAY unit is connected.

    • The fan on some models of indoor units may be interlocked with certain models of ventilation units.

< Returning to the Main menu>

Press the [RETURN] button to go back to the Main menu.

Note:

  • During swing operation, the directional indication on the screen
    does not change in sync with the directional vanes on the unit.

  • Available directions depend on the type of unit connected.

  • In the following cases, the actual air direction will differ from the
    direction indicated on the remote controller display.

  1. While the display is in “Standby” or “Defrost” states.
  2. Immediately after starting heat mode (while the system is waiting for the mode change to take effect).
  3. In heat mode, when room temperature is higher than the temperature setting.

<[Manual] To Change the Airflow’s Left/Right Direction>

  • The louver button cannot be used.

    • Stop the unit operation, hold the lever of the louver, and adjust to the desired direction.
  • Do not set to the inside direction when the unit is in the cooling or drying mode because there is a risk of condensation and water dripping.

Caution:
To prevent falls, maintain a stable footing when operating the unit.

3.6. Ventilation
For LOSSNAY combination
■ The following 2 patterns of operation is available.

  • Run the ventilator together with indoor unit.
  • Run the ventilator independently.

Note: (for wireless remote controller)

  • Running the ventilator independently is not available.
  • No indication on the remote controller.

Timer

4.1. For Wired Remote-controller
■ Timer functions are different by each remote controller.
■ For details on how to operate the remote controller, refer to the appropriate operation manual included with each remote controller.

Emergency Operation for Wireless Remote-controller

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When the remote controller cannot be used
When the batteries of the remote controller run out or the remote controller malfunctions, the emergency operation can be done using the emergency buttons on the grille.
A STANDBY lamp
B OPERATING lamp
C Emergency operation cooling switch
D Emergency operation heating switch
E Receiver

Starting operation

  • To operate the cooling mode, press the button C for more than 2 seconds.
  • To operate the heating mode, press the button D for more than 2 seconds.
  • Lighting of the OPERATING lamp B means the start of operation.

Note:
Details of emergency mode are as shown below.
Details of EMERGENCY MODE are as shown below.

Operation mode COOL HEAT
Set temperature 24°C 24°C
Fan speed High High
Airflow direction Horizontal (Step 1) Downward (Step 5)

Stopping operation

  • To stop operation, press the button C or the button D for more than 2 seconds.

Care and Cleaning

■ Filter information

will appear on the Main display in the Full mode when it is time to clean the filters.
Wash, clean, or replace the filters when this sign appears.
Refer to the indoor unit Instructions Manual for details.

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Select “Maintenance” from the Main menu, and press the [SELECT] button.

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Select “Filter information” from the Maintenance menu, and press the [SELECT] button.

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Press the [F4] button to reset filter sign.
Refer to the indoor unit Instructions
Manual for how to clean the filter.MITSUBISHI ELECTRIC PKA M LA L 2 Series
Air Conditioners Indoor unit - fig 30Select “OK” with the [F4] button.
A confirmation screen will appear.
Navigating through the screens

  • To go back to the Main menu ………………….. [MENU] button
  • To return to the previous screen ………………….. [RETURN] button

When the is displayed on the Main display in the Full mode, the system is centrally controlled and the filter sign cannot be reset.
If two or more indoor units are connected, filter cleaning timing for each
unit may be different, depending on the filter type.
The icon will appear when the filter on the main unit is due for cleaning.
When the filter sign is reset, the cumulative operation time of all units will be reset.
The icon is scheduled to appear after a certain duration of operation, based on the premise that the indoor units are installed in a space with ordinary air quality. Depending on the air quality, the filter may require more frequent cleaning.
The cumulative time at which filter needs cleaning depends on the model.

  • This indication is not available for wireless remote controller.
    Caution:

  • Ask authorized people to clean the filter.

■ Cleaning the filters

  • Clean the filters using a vacuum cleaner. If you do not have a vacuum cleaner, tap the filters against a solid object to knock off dirt and dust.
  • If the filters are especially dirty, wash them in lukewarm water. Take care to rinse off any detergent thoroughly and allow the filters to dry completely before putting them back into the unit.

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1 Pull both the bottom corners of the grille to open the grille, then lift the filter.
A Filter
B Grille

Caution:

  • Do not dry the filters in direct sunlight or by using a heat source, such as an electric heater: this may warp them.
  • Do not wash the filters in hot water (above 50°C), as this may warp them.
  • Make sure that the air filters are always installed. Operating the unit without air filters can cause malfunction.

Caution:

  • Before you start cleaning, stop operation and turn OFF the power supply.
  • Indoor units are equipped with filters to remove the dust of suckedin air. Clean the filters using the methods shown in the sketches above.
  • Cleaning the air cleaning fi lter (option)

Every 3 months:

  • Remove dirt by a vacuum cleaner.
    When dirt cannot be removed by vacuum cleaning:

  • Soak the fi lter and its frame in lukewarm water before rinsing it.

  • After washing, dry it well in shade. Install all tabs of the air fi lter.

Every year:

  • Replace it with a new air cleaning fi lter for best performance.

This information is based on REGULATION (EU) No 528/2012

MODEL NAME| Treated Article (Parts name)| Active Substances (CAS No.)| Property| Instruction for Use (Safe handling information)
---|---|---|---|---
MAC-2470FT-E| FILTER| Dimethyloctadecyl [3-trimethoxysilyl) propyl]  ammonium chloride (27668-52-6)| Antivirus  Antibacterial Antimold| •Use this product in line with the instruction manual indications and for the intended purpose only.
•Do not put into mouth. Keep away from children.

■ Cleaning the indoor unit

MITSUBISHI ELECTRIC PKA M LA L 2 Series Air Conditioners Indoor unit - fig
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  • Wipe the outside of the unit with a clean, dry, soft cloth.
  • Clean off any oil stains or fi nger marks using a neutral household detergent (such as dishwashing liquid or laundry detergent).

Caution:
Never use gasoline, benzene, thinner, scouring powder or any type of non- neutral detergent, as these substances may damage the unit’s case.

Trouble Shooting

Having trouble? Here is the solution. (Unit is operating normally.)
Air conditioner does not heat or cool well. ■ Clean the filter. (Airflow is

reduced when the filter is dirty or clogged.)
■ Check the temperature adjustment and adjust the set temperature.
■ Make sure that there is plenty of space around the outdoor unit. Is the indoor unit air intake or outlet blocked?
■ Has a door or window been left open?
When heating operation starts, warm air does not blow from the indoor unit soon.| ■ Warm air does not blow until the indoor unit has sufficiently warmed up.
During heating mode, the air conditioner stops before the set room tem- perature is reached.| ■ When the outdoor temperature is low and the humidity is high, frost may form on the outdoor unit. If this occurs, the outdoor unit performs a defrosting operation. Normal operation should begin after approximately 10 minutes.
Airflow direction changes during operation or airflow direction cannot be set| ■ During cooling mode, the vanes automatically move to the horizontal (down) position after 1 hour when the down (horizontal) airflow direction is selected. This is to prevent water from forming and dripping from the vanes.
■ During heating mode, the vanes automatically move to the horizontal airflow direction when the airflow temperature is low or during defrosting mode.
When the airflow direction is changed, the vanes always move up and down past the set position before finally stopping at the position.| ■ When the airflow direction is changed, the vanes move to the set position after detecting the base position.
A flowing water sound or occasional hissing sound is heard.| ■ These sounds can be heard when refrigerant is flowing in the air conditioner or when the refrigerant flow is changing.
A cracking or creaking sound is heard.| ■ These sounds can be heard when parts rub against each due to expansion and contraction from temperature changes.
The room has an unpleasant odor.| ■ The indoor unit draws in air that contains gases produced from the walls, carpeting, and furniture as well as odors trapped in clothing, and then blows this air back into the room.
A white mist or vapor is emitted from the indoor unit.| ■ If the indoor temperature and the humidity are high, this condition may occur when operation starts.
■ During defrosting mode, cool airflow may blow down and appear like a mist.
Water or vapor is emitted from the outdoor unit.| ■ During cooling mode, water may form and drip from the cool pipes and joints.
■ During heating mode, water may form and drip from the heat exchanger.
■ During defrosting mode, water on the heat exchanger evaporates and water vapor may be emitted.
‘ o’ appears in the remote controller display.| ■ During central control,” “appears in the remote controller display and air conditioner operation cannot be started or stopped using the remote controller.
When restarting the air conditioner soon after stopping it, it does not operate even though the ON/OFF button is pressed.| ■ Wait approximately 3 minutes. (Operation has stopped to protect the air conditioner.)
Air conditioner operates without the ON/OFF button being pressed.| ■ Is the on timer set?
Press the ON/OFF button to stop operation.
■ Is the air conditioner connected to a central remote controller?
Consult the concerned people who control the air conditioner.
■ Does’ appear in the remote controller display?
Consult the concerned people who control the air conditioner.
■ Has the auto recovery feature from power failures been set?
Press the ON/OFF button to stop operation.
Air conditioner stops without the ON/OFF button being pressed.| ■ Is the off timer set?
Press the ON/OFF button to restart operation.
■ Is the air conditioner connected to a central remote controller?
Consult the concerned people who control the air conditioner.
■ Does’ “appear in the remote controller display?
Consult the concerned people who control the air conditioner.
Remote controller timer operation cannot be set.| ■ Are timer settings invalid?
If the timer can be set, or appears in the remote controller display.
“Please Wait’ appears in the remote controller display.| ■ The initial settings are being performed. Wait approximately 3 minutes.
An error code appears in the remote controller display.| ■ The protedion devices have operated to proted the air conditioner.
■ Do not attempt to repair this equipment by yourself.
Turn off the power switch immediately and consult your dealer. Be sure to provide the dealer with the model name and information that appeared in the remote controller display.
Draining water or motor rotation sound is heard.| ■ When cooling operation stops, the drain pump operates and then stops.
Wait approximately 3 minutes.
---|---
Noise is louder than specifications.| ■ The indoor operation sound level is affected by the acoustics of the particular room as shown in the following table and will be higher than the noise specification, which was measured in anechoic room.| | High sound absorbing rooms| Normal rooms| Low sound absorbing rooms
---|---|---|---
Location examples| Broadcastingstudio,music,room, etc.| Reception room,
hotel lobby, etc.| Office, hotel
room
Noise levels| 3 – 7 dB| 6-10  dB| 9-13  dB
Nothing appears in the wireless remote controller display, the display is faint, or signals are not received by the indoor unit unless the remote controller is close.| ■ The batteries are low.
Replace the batteries and press the Reset button.
■ If nothing appears even after the batteries are replaced, make sure that the batteries are installed in the correct directions (+, —).
After battery installation/replacement of remote controller, part of function cannot be used.| ■ Please check that the clock setting is completed. If clock setting is not done, please complete.
The operation lamp near the receiver for the wireless remote controller on the indoor unit is blinking.| ■ The self diagnosis function has operated to protect the air conditioner.
■ Do not attempt to repair this equipment by yourself.
Turn off the power switch immediately and consult your dealer. Be sure to provide the dealer with the model name.
The indoor unit which is not operating becomes warm and a sound, similar to water flowing, is heard from the unit.| ■ A small amount of refrigerant continues to flow into the indoor unit even though it is not operating.
Refrigerant noise is heard or warm air comes out from the suspended indoor units.| ■ In case the other indoor unit operates in heating mode, the refrigerant flows in standby indoor unit.

Specifications

■ PKA-M·LA(L)2 Series
<Cooling/Heating>

Model 35 I 50
Power source (voltage /Frequency) IN 230/50
Rated Input (Indoor only) 0.04/0.03 0.04/0.03
Rated Current (Indoor only) 0.35/0.30 0.35/0.30
Heater
Dimension (Height) 299
Dimension (Width) 898
Dimension (Depth) 237
Fan airflow rate <ms/min> (Low-Middle2-Middlel -High) 7.5 – 8.2 – 9.2 – 10.9
Noise level (Low-Middle2-Middlel -High) 34 – 37 – 40 – 43
Net weight 13.
Model 35
--- --- ---
Cooling Capacity sensible Prated,c
latent Prated,c 0.91
Heating Capacity Prated,h 4.00
Total electric power input Peiec 0.040
Sound power level (per speed setting, if applicable) L WA 51 – 53 – 56

– 60

(EU)2016/2281
EC DECLARATION OF CONFORMITY
MITSUBISHI ELECTRIC CONSUMER PRODUCTS (THAILAND) CO., LTD.
AMATA CITY CHONBURI 700/406 MOO 7, TAMBON DON HUA ROH, AMPHUR MUANG, CHONBURI 20000 THAILAND
hereby declares under its sole responsibility that the air conditioners and heat pumps described below for use in residential, commercial and light- industrial environments:
Note: Its serial number is on the nameplate of the product.
2014/35/EU: Low Voltage
2006/42/EC: Machinery
2014/30/EU: Electromagnetic Compatibility
2011/65/EU, (EU) 2015/863 and (EU) 2017/2102: RoHS Directive
2009/125/EC: Energy-related Products and Regulation (EU) No 206/2012
Issued:
1 July, 2021
Tadashi SAITO
THAILAND
Manager Quality Assurance Department
UK DECLARATION OF CONFORMITY
MITSUBISHI ELECTRIC CONSUMER PRODUCTS (THAILAND) CO., LTD.
AMATA CITY CHONBURI 700/406 MOO 7, TAMBON DON HUA ROH, AMPHUR MUANG, CHONBURI 20000 THAILAND
hereby declares under its sole responsibility that the air conditioners and heat pumps described below for use in residential, commercial and light- industrial environments:
MITSUBISHI ELECTRIC, PKA-M35LA
, PKA-M50LA
PKA-M35LAL
,
PKA-M50LAL*

  • : , , 1, 2, 3, · · · , 9
    Note: Its serial number is on the nameplate of the product.
    Electrical Equipment (Safety) Regulations 2016
    Supply of Machinery (Safety) Regulations 2008
    Electromagnetic Compatibility Regulations 2016
    The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012
    The Ecodesign for Energy-Related Products and Energy Information (Amendment) (EU Exit) Regulations 2019
    English is original. The other languages versions are translation of the original.
    **CAUTION**

    • Refrigerant leakage may cause suffocation. Provide ventilation in accordance with EN378-1.
    • Be sure to wrap insulation around the piping. Direct contact with the bare piping may result in burns or frostbite.
    • Never put batteries in your mouth for any reason to avoid accidental ingestion.
    • Battery ingestion may cause choking and/or poisoning.
    • Install the unit on a rigid structure to prevent excessive operation sound or vibration.
    • Noise measurement is carried out in accordance with JIS C9612, JIS B8616, ISO 5151(T1), and ISO 13523(T1).

Software Information
This product includes open source software (“OSS”) distributed under the terms of open source licenses.
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/

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■ The serial number is indicated on the SPEC NAME PLATE.MITSUBISHI ELECTRIC
PKA M LA L 2 Series Air Conditioners Indoor unit - fig
35

This product is designed and intended for use in the residential, commercial and light-industrial environment.
Importer:
Mitsubishi Electric Europe B.V.
Capronilaan 46, 1119 NS, Schiphol Rijk, The Netherlands
French Branch
25, Boulevard des Bouvets, 92741 Nanterre Cedex, France
German Branch
Mitsubishi-Electric-Platz 1, 40882 Ratingen, Germany
Belgian Branch
Autobaan 2, 8210 Loppem, Belgium
Irish Branch
Westgate Business Park, Ballymount, Dublin 24, Ireland
Italian Branch
Centro Direzionale Colleoni, Palazzo Sirio-Ingresso 1 Viale Colleoni 7, 20864 Agrate Brianza (MB), Italy
Norwegian Branch
Gneisveien 2D, 1914 Ytre Enebakk, Norway
Portuguese Branch
Avda. do Forte, 10, 2799-514, Carnaxide, Lisbon, Portugal
Spanish Branch
Carretera de Rubi 76-80 – Apdo. 420 08173 Sant Cugat del Valles (Barcelona), Spain
Scandinavian Branch
Hammarbacken 14, P.O. Box 750 SE-19127, Sollentuna, Sweden
UK Branch
Travellers Lane, Hatfield, Herts., AL10 8XB, England, U.K.
Polish Branch
Krakowska 50, PL-32-083 Balice, Poland
MITSUBISHI ELECTRIC TURKEY ELEKTRİK ÜRÜNLERI A.Ş.
Şerifali Mah. Kale Sok. No: 41 34775 Ümraniye, İstanbul / Turkey
Please be sure to put the contact address/telephone number on this manual before handing it to the customer.

MITSUBISHI ELECTRIC CORPORATION
HEAD OFFICE: TOKYO BUILDING, 2-7-3.
MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
VG79Y435H01
Printed in Thailand

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