MMT12HDBWLCAM8 - Air conditioner Mabe - Free user manual and instructions

Product Type	Window Air Conditioner
Brand	Mabe
Model	MMT12HDBWLCAM8
Cooling Capacity (BTU/h)	12,000
Power Supply	115V / 60Hz / 1-Phase
Amperage (A)	10.5
Power Consumption (W)	1,150
Energy Efficiency Ratio (EER)	10.4
Dimensions (W x H x D) - Unit	60 cm x 42 cm x 68 cm
Weight (kg)	48
Recommended Room Size (sq. ft.)	Up to 550
Modes	Cool, Fan, Dehumidify, Auto
Fan Speeds	3 (Low, Medium, High)
Thermostat Control	Digital with Remote Control
Air Filter	Washable Mesh Filter
Noise Level (dB - Indoor/Outdoor)	52 / 62
Installation Type	Window Mount (Minimum 46 cm opening)
Refrigerant	R-410A
Safety Features	Auto Restart, Overload Protection, Child Lock
Maintenance	Clean filter every 2 weeks; yearly coil cleaning
Reparability	Replaceable parts: fan motor, compressor, capacitor, remote control

Frequently Asked Questions - MMT12HDBWLCAM8 Mabe

How do I clean the air filter on my Mabe MMT12HDBWLCAM8?

Turn off and unplug the unit. Locate the filter panel (usually behind the front grille). Remove the filter, vacuum or wash with mild soap and water. Let it dry completely before reinstalling. Clean every 2 weeks for optimal performance.

What should I do if the air conditioner does not cool?

Check the thermostat setting (should be below room temperature). Ensure the filter is clean and the coils are not blocked. Verify that the unit is properly installed with no air leaks. If the issue persists, the refrigerant may be low—contact a technician.

How do I use the remote control?

Point the remote at the unit’s receiver. Press POWER to turn on/off. Use MODE to select Cool, Fan, Dehumidify, or Auto. Adjust temperature with +/- buttons. FAN SPEED changes fan speed. The remote requires two AAA batteries (not included).

What does the error code E1 or E2 mean?

E1 indicates a room temperature sensor fault. E2 indicates an evaporator coil temperature sensor fault. Try turning the unit off, unplugging for 5 minutes, then restarting. If the error persists, contact customer support.

Can I install the MMT12HDBWLCAM8 myself?

Yes, it is designed for DIY installation. Ensure your window opening is at least 46 cm wide. Follow the manual for proper mounting, sealing, and leveling. For safety, have a helper assist due to the unit’s weight (48 kg).

What is the recommended temperature setting for energy savings?

For cooling, set the thermostat to 24°C (75°F) for a balance of comfort and efficiency. Each degree lower increases energy use by about 6%. Use the Auto mode and timer function to save electricity.

How often should I service the air conditioner?

Perform basic maintenance every 2 weeks (filter cleaning). Annually, inspect and clean the coils, drain pan, and fan blades. Professional servicing is recommended every 1-2 years to check refrigerant and electrical components.

The unit is making a loud noise. What could be the cause?

Common causes: loose installation, dirty or unbalanced fan, debris in the fan blade, or a failing compressor. First, check that the unit is securely mounted and level. Clean the fan and coil. If noise persists, contact a technician.

Does this air conditioner have a heating function?

No, the MMT12HDBWLCAM8 is a cooling-only unit. It does not have a heat pump or electric heater. For heating, consider a split system or portable heater.

How do I reset the air conditioner?

Unplug the unit from the power outlet. Wait for 5-10 minutes. Plug it back in and turn it on using the remote or control panel. This resets the electronics. If the unit still malfunctions, consult the manual.

USER MANUAL MMT12HDBWLCAM8 Mabe

for the English version, go to page 47

lea este instructivo antes de instalar su aire acondicionado read this manual before installing your new air conditioner

modelos/models

MMT12HABWCAM8

MMT12HDBWCAM8

MMT12CDBWCAM8

MMT12CABWLCAM8

MMT12CDBWLCAM8

MMT12HABWLCAM8

MMT12HDBWLCAM8

MMT12CABWCAM8

MMT12CABSCAM8

MMT12HABSCAM8

MMT12CDBSCAM8

MMT12HDBSCAM8

MMT18CDBWCAM8

MMT18HDBWCAM8

MMT18CDBSCAM8

MMT18HDBSCAM8

MMT24CDBWCAM8

MMT24HDBWCAM8

MMT24CDBSCAM8

MMT24HDBSCAM8

PM01

mabe

contenido

Notas:

Important Safety Instructions 48

Parts and features 49

Operation instructions .... 51

Remote control 51

Emergency and Test operation 58

Air flow direction adjustment 59

SLEEP function 60

Healthy Airflow 61

Timer On/Off operation 62

TURBO operation 62

Installing the batteries 63

Maintenance 64

WARNINGS 67

Troubleshooting 70

Installation instructions 73

Selection of installation place 73

Installation of indoor and outdoor units 74

Indoor Unit 77

Outdoor Unit 81

Installation checklist and test run 87

Rated electrical specifications 88

welcome

Everything you need to know for the proper operation of your product can be found here and in our web sites. We invite you to get to know your product, read this manual and get the most out of it.

Important Safety Instructions

• Your own safety is important for us. Please read this information before using your new product.
• Do not use extension cords.
• Do not plug other electric appliances to the same power outlet.
• Hold the connector by the power plug, not by the cord.
• This product is equipped with a "Y" type polarized plug having a built-in grounding wire.
• Do not remove the grounding terminal or use outlet adapters.
• If the power cord is damaged, it must be replaced by the manufacturer, its authorized service agent or by qualified personnel in order to avoid a hazard.
• If voltage variations are usual in your area, have a voltage regulator installed.
• This appliance is not intended for use by persons (including children) having reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety.
  • Children should be supervised to make sure they do not use the appliance as a toy.
• IMPORTANT: Failure to follow these warnings, will make you entirely responsible for personal injuries or material damages that may occur from using this equipment.
• If the appliance will be connected to a fixed power supply wiring, a surge protector must also be installed and a main power switch and/or fuse rated 1.5 times the maximum current of the unit should be used.

The following conditions are not considered as a normal use of the appliance:

• If it has not been operated in accordance with the provided operation instructions.
• Damages caused by accidents, electrical overloads, voltage fluctuations, using an energy other than the specified, or catastrophes.
• If it has been used with commercial or industrial purposes, or for other than the indicated in the operation instructions.
• If the product has been repaired by unauthorized persons and/or service workshops.

indoor unit

display board B

1. Signal receiver hole.
2. Ambient temp. display. When receiving the remote control signal, display the set temperature.
3. Operation mode indicator (lights up when the compressor is on.)

display board C (on models having only LED indicators)

1. Remote control signal receiver. A beep is heard when a signal from the remote control is received.
2. Power indicator. Lights up when the unit starts.
3. TIMER mode indicator. Lights up when the TIMER operation is selected.
4. Operation mode indicator. Lights up when the compressor is on.

display board

display board A

1. Signal receiver hole.
2. Ambient temp. display. When receiving the remote control signal, display the set temperature.
3. COOL display
4. HEAT display
5. HEALTH display
6. DRY display

outdoor unit

1. Outlet
2. Inlet
3. Connecting piping and electrical wiring
4. Drain hose

operation Instructions

remote control

1. Additional functions display

Operation	mode	QUIET	SLEEP	TURBO
Remote control

1. TURBO button

2. FAN button

3. COOL button

4. F/C button (Fahrenheit degrees/Celsius degrees)

5. FAN SPEED button

6. QUIET button

7. SLEEP button

8. LOCK button

9. LIGHT button. Turns ON and OFF the indoor unit LED display.

10. POWER/SOFT button

11. DRY button

12. TEMP button

13. SWING UP/DOWN button

14. TIMER OFF/ON button

15. HEALTH AIRFLOW button

16. CANCEL/CONFIRM button. Function: Setting and cancel to the

timer and other additional functions.

1. RESET button. If the remote control is not operating properly, use a sharp pointed item to press this button to reset the remote control.

remote control

1. Additional functions display

Operation mode QUIET SLEEP HEALTH TURBElectrical heating
Remote control

1. TURBO button

2. HEAT button

3. COOL button

4. F/C button (Fahrenheit degrees/Celsius degrees)

5. FAN SPEED button

6. FAN button

7. SLEEP button

8. LOCK button

9. LIGHT button. Turns ON and OFF the indoor unit LED display.

10. POWER/SOFT button

11. DRY button

12. TEMP button

13. SWING UP/DOWN button

14. TIMER OFF/ON button

15. HEALTH AIRFLOW button

16. CANCEL/CONFIRM button

Function: Setting and cancel to the timer and other additional

functions.

1. RESET button

If the remote control is not operating properly, use a pen point

or similar object to press this button to reset the remote control.

remote control for cool-only models equipped with the MY TEMP feature

basic operation

1. Unit start
   Press ON/OFF on the remote controller, unit starts.
2. Select a temperature setting
   Press the TEMP+ or TEMP- button
   TEMP+ Every time the button is pressed, the temperature setting increases 1 °C, if kept depressed, it will increase rapidly.

Operation mode	Remote control Note
AUTO Under the mod	Auto operation, air conditioner will automatically select Cool or Heat operation according to room temperature.When FAN is set to AUTO, the air conditioner automatically adjusts the fan speed according to room temperature.
COOL
DRY
HEAT (only on some models)
FAN

emergency and test operation

emergency operation

• Use this operation only when the remote control is defective or lost, and with function of Emergency running air conditioner can run automatically for a while.
• When the emergency operation switch is pressed, a "Pi" sound is heard once, which means the start of this operation.

• When POWER switch is turned on for the first time and emergency operation starts, the unit will run automatically in the following mode:
• It is not possible to change the temperature setting or fan speed setting. It is also not possible to operate the timer or the DRY mode.

Room temperature

Designated temperature

TIMER mode Fan Speed

Operation mode

Above 23 "C COOLING26 "C No AUTOMATIC

test operation

air flow direction adjustment

vertical air flow

Pos. 1:

Pos. 2: No initial state displayed on remote control. The vertical louvers will be fixed on the current position.

CAUTIONS:

• Before adjusting the louvers manually, turn off the unit.
• When humidity is high, condensate water might occur at air outlet if all vertical louvers are adjusted to the right.
• It is advisable not to keep horizontal flap at downward position for a long time in COOL or DRY mode, otherwise, condensate water might occur.
• When restarting after turning the unit OFF with the remote control, the remote will automatically return to the previous set swing position.

SLEEP function

Press the SLEEP button, the remote control will show 📋, and then achieve to the sleep function. Press again the SLEEP pad, the sleep function will be cancelled.

Operation mode

1. In COOL or DRY mode

1 hour after SLEEP mode starts, the temperature will become 1 °C higher than temperature setting. After another hour, the temperature will rise another 1 °C. The unit will run for further 6 hours then stops. Temperature is higher than temperature setting so that room temperature won't be too low for your sleep.

1. In HEAT mode (only on some models)

1 hour after SLEEP mode starts, temperature will become 2 °C lower than temperature setting. After another 1 hour, the tem-

1. In AUTO mode

The unit operates in corresponding sleep mode adapted to the automatically selected operation mode.

1. In FAN mode

The SLEEP function will not be available under the FAN mode.

1. When quiet sleeping function is set to 8 hours the quiet sleeping time can not be adjusted. When TIMER function is set, the quiet sleeping function can't be set up. After the sleeping function is set up, if user resets TIMER function, the sleeping function will be cancelled; the machine will be in the state of timing-on, if the two modes are set up at the same time, either of their operation time is ended first, the unit will stop automatically, and the other mode will be cancelled.

Note:

- When TIMER function is set, the sleeping function can't be set up. After the sleeping function is set up, if user resets TIMER function, the sleeping function will be cancelled; the machine will be in the state of timing-on.

- Power failure resume: Press the sleep pad ten times within five seconds and enter function after hearing four sounds. And press the sleep pad ten times within five seconds and leave this function after hearing two sounds.

- Power failure resume function: If the unit is started for the first time, the compressor will not start running unless 3 minutes have elapsed. When the power resumes after power failure, the unit will run automatically, and 3 minutes later the compressor starts running.

healthy airflow

1. Press ⏻ to start.

timer On/Off operation

1. After unit starts, select the desired operation mode.

2. Press the TIMER ON or TIMER OFF button to change TIMER mode. When pressing TIMER ON button, the display will show "ON 0.5". After 10 seconds the time display will be blank.

When pressing TIMER OFF button, the display will show "OFF 0.5". After 10 seconds the time display will be blank.

Then select the desired TIMER mode, (TIMER ON or TIMER OFF or TIMER ON-OFF). "ON" or "OFF" will flash.

1. Press TIMER ON or TIMER OFF button to set time. Each time you press the button, the time setting will be increased by 0.5 hours until reaching 12 hours, then each press will increase the time by 1 hour until reaching 24 hours.

2. Confirm TIMER setting. After setting the desired time press the CONFIRM/CANCEL button to CONFIRM your selection "ON" or "OFF" will stop flashing.

To cancel the TIMER

Press the CONFIRM/CANCEL button again. The set TIME will be deleted.

After replacing batteries or a power failure, the time should be reset.

According to the time setting sequence of TIMER ON or TIMER OFF, either Start-Stop or Stop-Start can be achieved.

TURBO operation

When you need rapid heating or cooling, you can use this function. Press the TURBO pad, the remote control will show ↗, and then