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Owner’s Manual -  

B-VMH12FU-1 

 

  

 

7

Features

Default Setting

When the air conditioner restarts after a power 

failure, it will default to the factory settings 

(AUTO mode, AUTO fan, 24°C (76°F)). This 

may cause inconsistencies on the remote 

control and unit panel. Use your remote 

control to update the status.   

Auto-Restart (some models)

In case of power failure, the system will 

immediately stop. When power returns, the 

Operation light on the indoor unit will flash. To 

restart the unit, press the 

ON/OFF

button on 

the remote control. If the system has an auto 

restart function, the unit will restart using the 

same settings.     

Energy Saving Tips

DO NOT

 set the unit to excessive temperature levels.

While cooling, close the curtains to avoid direct sunlight.

Doors and windows should be kept closed to keep cool or warm air in the room.

DO NOT

 place objects near the air inlet and outlet of the unit.

Set a timer and use the built-in SLEEP/ECONOMY mode if applicable.

If you don’t plan to use the unit for a long time, remove the batteries from the remote control.

Clean the air filter every two weeks.

Adjust louvers properly and avoid direct airflow.

Louver Angle Memory Function (Optional)

Some models are designed with a louver angle 

memory function. When the unit restarts after a 

power failure, the angle of the horizontal louvers 

will automatically return to the previous position. 

The angle of the horizontal louver should not be 

set too small as condensation may form and drip 

into the machine. To reset the louver, press the 

manual button, which will reset the horizontal 

louver settings.      

Refrigerant Leak Detection System 
(some models)

In the event of a refrigerant leak, the LCD screen 

will display “EC” and the LED indicator light will 

flash. 

Closing curtains during heating also

helps keep the heat in 

Doors and windows should be kept 

closed

Summary of Contents for Comfort Aire Century B-VMH12FU-1

Page 1: ...OWNER S MANUAL Console Unit Models B VMH12FU 1 517 787 2100 www marsdelivers com...

Page 2: ...Owner s Manual B VMH12FU 1 2 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 3: ...Owner s Manual B VMH12FU 1 3 Indoor Unit Parts and Major Functions 6 Manual Operations 8 Table of Contents Owner s Manual SAFETY FIRST Safety Precautions 5 1 2 3...

Page 4: ...re and Maintenance 9 Unit Maintenance 9 How to Clean the Air Filter 9 Repairing Refrigerant Leaks 10 Preparation for Periods of Non use 10 Troubleshooting 11 Common Problems 11 Troubleshooting Tips 12...

Page 5: ...heat producing appliances to cold air or place them under the indoor unit This may cause incomplete combustion or deformation of the unit due to the heat After long periods of usage check the indoor u...

Page 6: ...peration If the air conditioner is used under different conditions it may malfunction or become less efficient Drain hose Refrigerant connecting pipe Display panel Air inlet with air filter in it Air...

Page 7: ...oom DO NOT place objects near the air inlet and outlet of the unit Set a timer and use the built in SLEEP ECONOMY mode if applicable If you don t plan to use the unit for a long time remove the batter...

Page 8: ...unit turns off and the remote control is re enabled Infrared receiver Timer indicator PRE DEF pre heating defrost indicator Operation indicator Adjusting Air Flow Direction CAUTIONS Do not try to adj...

Page 9: ...ally treated cloths to clean the unit DO NOT use benzene paint thinner polishing powder or other solvents to clean the unit They can cause the plastic surface to crack or deform DO NOT wash the unit u...

Page 10: ...nded Non Use 1 Remove any obstacles blocking the vents of both the indoor and outdoor units 2 Clean the air filter and the front grille of the indoor unit Reinstall the clean dry air filter in its ori...

Page 11: ...EF Pre heating Defrost indicators are lit up the outdoor temperature is too cold and the unit s anti cold wind is activated in order to defrost the unit In Cooling only Models If the Fan Only indicato...

Page 12: ...s emitted from either the indoor or outdoor unit The unit may accumulate dust during extended periods of non use which will be emitted when the unit is turned on This can be mitigated by covering the...

Page 13: ...term use Check for leaks re seal if necessary and top off refrigerant The unit starts and stops frequently There s too much or too little refrigerant in the system Check for leaks and recharge the sy...

Page 14: ...lfunction 9 Off N A 9 Other twin model malfunction 10 Off N A 10 Overload protection 1 On F0 11 Outdoor temperature sensor error 2 On F 1 12 Outdoor condenser pipe sensor error 3 On F2 13 Discharge ai...

Page 15: ...warranty period Without this proof the express warranty begins on the date of shipment from the factory Please visit www marsdelivers com to register your new product REMEDY PROVIDED BY THE LIMITED EX...

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