MITSUBISHI ELECTRIC PKA-A·LA Series Air Conditioner Unit Instruction Manual
- June 17, 2024
- Mitsubishi Electric
Table of Contents
MITSUBISHI ELECTRIC PKA-A·LA Series Air Conditioner Unit Instruction Manual
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.
1. 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.
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.
2. Parts Names
Indoor Unit
Wired Remote
Controller Controller interface
-
[ON/OFF] button Press to turn ON/OFF the indoor unit.
-
[SELECT/HOLD] button Press to save the setting.
When the Main menu is displayed, pressing this button will enable/disable the HOLD function. -
[RETURN] button Press to return to the previous screen.
-
[MENU] button Press to bring up the Main menu.
-
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.
When the backlight is off, pressing any button turns the backlight on and does not perform its function. (except for the [ON/OFF] button) -
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.
-
Function button [F1] Main display: Press to change the operation mode. Menu screen: The button function varies with the screen.
-
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.
-
Function button [F3] Main display: Press to increase temperature. Main menu: Press to move the cursor right.
-
Function button [F4] Main display: Press to change the fan speed.
-
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.)
Outdoor unit
3. Operation
About the operation method, refer to the operation manual that comes with each remote controller.
3.1. Turning ON/OFF
3.2. Mode Selection
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
Because the room temperature is automatically adjusted in order to maintain a
fixed effective temperature, cooling operation is performed a few degrees
warmer and heating operation is performed a few degrees en cooler than the set
room temperature once the temperature is reached (automatic energy-saving
operation).
Navigating through the screens · To return to the Main screen …… [RETURN]
button
3.3. Temperature setting
<Cool, Drying, Heat, and Auto>
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
-
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.
-
While the display is in “Standby” or “Defrost” states.
-
When the temperature of the heat exchanger is low in the heat-
ing mode. (e.g. immediately after heating operation starts) -
In HEAT mode, when room temperature is higher than the temperature setting.
-
In COOL mode, when room temperature is lower than the temperature setting.
-
When the unit is in Drying mode.
-
3.5. Airflow direction setting
3.5.1 Navigating through the Main menu
3.5.2 Vane·Vent. (Lossnay)
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. For wireless remote controller
- Running the ventilator independently is not available.
- No indication on the remote controller.
4. Emergency Operation for Wireless Remote-controller
5. Care and Cleaning
Cleaning the indoor unit
- Wipe the outside of the unit with a clean, dry, soft cloth.
- Clean off any oil stains or finger 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.
6. Trouble Shooting
7. Specifications
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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For the residents of USA
U.S. Product Warranty and Registration Information
Congratulations on the purchase of your new Mitsubishi Electric Trane HVAC US
Cooling & Heating system and thank
you for trusting us with your personal comfort.
Your installing contractor may have registered your products on your behalf.
To check the registration status or to
complete your product registration, please visit us at
http://www.metahvac.com/.
Be sure to have the model and serial number for each of your indoor and
outdoor units ready before starting the
registration process.
If you need assistance registering your products, call or write to us at:
Mitsubishi Electric Trane HVAC US LLC
ATTN: Customer Care Center
1340 Satellite Boulevard
Suwanee, GA 30024
Phone: 1.800.433.4822
E-mail: CustomerCare@hvac.mea.com
For the residents of Canada
Mitsubishi Electric
HVAC Warranty Registration (Canada)
Congratulations on the purchase of your new Mitsubishi Electric heat pump or
air conditioning system.
In order to benefit from our extended warranty, your installing contractor
must register your system’s products on our website on your behalf within 90
days of installation. The extended warranty covers the system’s parts and
compressor for an extended period from the date of installation. Product model
and serial numbers are required for online registration.
To register, please ask your installing contractor to visit the warranty
registration page at
www.mitsubishielectricmeq.ca, complete
the registration and provide you with confirmation of registration.
PLEASE NOTE: Regular maintenance as specified in the owner’s manual is
essential to your system performing according to manufacturer specifications
over the applicable warranty period. Please review the terms of the product
warranty at mitsubishielectric.ca
If you require assistance, please contact:
info@mitsubishielectric.ca
Please be sure to put the contact address/telephone number on this manual before handing it to the customer.