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Owner’s Manual -  

B-VMH18,24UU-1 

 

  

 

5

This manual does not include Remote Controller 

Operations, see the<<Remote Controller Owner's 

manual>> packed with the unit for details. 

Use the system in the following temperature for safe and

effective operation. The Max operation temperature for 

the air conditioner.(Cooling/Heating)

3. AIR CONDITIONER OPERATIONS AND

PERFORMANCE

NOTE

Table 3-1

0°C ~ 30°C / 32 °F~86°F

  17°C ~ 32°C

( 62 °F ~ 90°F)

  17°C ~ 32°C

( 62 °F ~ 90°F)

Cooling operation

Drying operation

Heating operation

(cooling only type without)

Mode

Temperature

Outdoor
temperature

(for the models with low 

                            temperature cooling system)

temperature

Room

0°C ~ 50°C / 32 °F~122°F          

0°C ~ 50°C / 32 °F~122°F      

-15°C ~ 50°C / 5 °F~122°F 

-15°C ~ 24°C / 5 °F~76°F          

Infrared signal receiver

Operation lamp

Timer indicator

Alarm indicator

Temporary button

Temperature indecator

PRE-DEF indicator(cooling and heating

 type) 

or fan only indicator(cooling only type)

Infrared signal receiver

Operation lamp

Timer indicator

Alarm indicator

Temporary button

Temperature indecator

PRE-DEF indicator(cooling and heating

 type) 

or fan only indicator(cooling only type)

Temperature indecator

1

If air conditioner is used outside the above conditions, it may 

cause the unit to function abnormally.

The phenomenon is normal that the surface of air 

conditioning  may  condense  water  when  the relative 

humidity in room

 is abnormally high

, please close the door and 

window.

 

Optimum  performance will  be achieved within  these 

operating temperature range. 

2

3

NOTE

FORCED AUTO

The OPERATION lamp is lit, and the air conditioner will run 

under FORCED AUTO mode. The remote controller operation is 

enabled to operate according to the received signal.

1

FORCED

 

COOL

The OPERATION lamp flashes, the air conditioner will turn to 

FORCED AUTO after it is enforced to cool with a wind speed of 

HIGH for 30 minutes. The remote controller operation is 

disabled.

OFF

The OPERATION lamp goes off. The air conditioner is OFF 

while the remote controller operation is enabled.

2

3

For inverter type,this switch is used for after-sales service 

purpose only,the user should not push it.

For fixed-frequency type,

this function is used to operate the unit 

temporarily in case you misplace the remote controller or its 

batteries are exhausted. Two  modes  including 

FORCED 

AUTO  and  FORCED  COOL  can  be selected through the 

TEMPORARY BUTTON on the air-in grill control box of the 

indoor unit. Once you push this button, the air conditioner  will 

run in such order: 

FORCED 

AUTO, FORCED  COOL, OFF, 

and back to 

FORCED 

AUTO.   

Display panel

Fig. 2-5

   

Display panel

Fig. 2-6

  

Display panel

Fig. 2-7

 

Display panel

Fig. 2-4

 

NOTE:DEF indicator(cooling and heating type) 

or FAN indicator(cooling only type)

NOTE:DEF indicator(cooling and heating type) 

or FAN indicator(cooling only type)

NOTE:DEF indicator(cooling and heating type) 

or FAN indicator(cooling only type)

Infrared signal receiver

Infrared signal receiver

MANUAL

TIMER

ALARM

OPERATION

MANUAL

TIMER

ALARM

OPERATION

DEF./FAN

MANUAL

MANUAL

TIMER

ALARM

OPERATION

DEF./FAN

DEF./FAN

Infrared signal receiver

Display panel

Fig. 2-8

Summary of Contents for B-VMH18UU-1

Page 1: ...OWNER S MANUAL Ceiling and Floor Unit Models B VMH18UU 1 B VMH24UU 1 517 787 2100 www marsdelivers com ...

Page 2: ...ontroller Drain pipe INDOOR UNIT OUTDOOR UNIT 1 2 3 5 4 7 6 8 8 9 All the pictures in this manual are for explanation purpose only They may be slightly different from the air conditioner you purchased depend on model The actual shape shall prevail NOTE RESE T TIM E ON TIM E OFF CLO CK SW ING AIR DIRE CTIO N OK ECO SW ING MO DE FAN SPE ED M LOCK C H AUT O CO OL DR Y HEA T FAN TEM P SET CLOC K SET H...

Page 3: ...tion systems available If electrical appliances are disposed of in landfills or dumps hazardous substances can leak into the groundeater and get into the food chain damaging your health and well being To prevent refrigerant leak contact your dealer When the system is installed and runs in a small room it is required to keep the concentration of the refrigerant if by any chance coming out below the...

Page 4: ...e unit or under the indoor unit It may cause incomplete combustion or deformation of the unit due to the heat Do not install the air conditioner at any place where flammable gas may leak out If gas leaks out and stays around the air conditioner a fire may break out This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or...

Page 5: ...eved within these operating temperature range 2 3 NOTE FORCED AUTO The OPERATION lamp is lit and the air conditioner will run under FORCED AUTO mode The remote controller operation is enabled to operate according to the received signal 1 FORCED COOL The OPERATION lamp flashes the air conditioner will turn to FORCED AUTO after it is enforced to cool with a wind speed of HIGH for 30 minutes The remo...

Page 6: ...please clean it once every two weeks With this new technology the display area will appear EC if applicable and the LED indication lamps continue flashing when the outdoor unit detects refrigerant leakage Louver Angle Memory Function optional For some models the machine is specially designed with louver angle memory function Power failure during operation or pressing the ON OFF button on the remot...

Page 7: ... if it is very dirty Never use a damp cloth on the remote controller Do not use a chemically treated duster for wiping or leave such material on the unit for long It may damage or fade the surface of the unit Do not use benzine thinner polishing powder or similar solvents for cleaning These may cause the plastic surface to crack or deform Do not dry out the air filter under direct sunshine or with...

Page 8: ...ntinuous low hissing sound is heard when the system is in operation This is the sound of refrigerant gas flowing through both indoor and outdoor units A hissing sound which is heard at the start or immediately after stopping operation or defrost operation This is the noise of refrigerant caused by flow stop or flow change Symptom 4 3 Outdoor unit When the tone of operating noise changes This noise...

Page 9: ...ircuit or short circuit OFF E9 Other malfunction of twins model OFF 9 Communication malfunction between indoor and outdoor units OFF E1 10 11 12 13 Discharge air temperature sensor error F3 Outdoor EEPROM error F4 Communication malfunction between two indoor units for twins model E8 OFF F0 1 N A N A 7 6 5 4 2 1 Current overload protection Indoor EEPROM error E0 OFF 14 15 16 17 18 19 20 21 Outdoor ...

Page 10: ...Symptoms Causes Unit does not start Table 8 2 Symptoms Causes The fan speed can not be changed Check whether the MODE indicated on the display is AUTO Check whether the MODE indicated on the display is DRY When the automatic mode is selected the air conditioner will automatically change the fan speed When dry operation is selected the air conditioner will automatically change the fan speed The fan...

Page 11: ...of 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 EXPRESS WARRANTY The sole remedy under the Limited Warranty is replacement of the defective part If replacement parts are required within the period of this warranty MARS replacement parts shall be u...

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