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owner’s manual

3

This function is used to operate the unit temporarily in case you 
misplace the remote controller or its batteries are exhausted. 
Two modes including 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: AUTO, FORCED COOL,  
OFF, and back to AUTO.

AUTO
The OPERATION lamp is lit, and the air conditioner will run 
under AUTO mode. The remote controller operation is enabled 
to operate according to the received signal.

FORCED

 

COOL

The OPERATION lamp flashes, the air conditioner will turn to 
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.

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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)

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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 larger 
humidity in room, please close the door and window.

Optimum performance will be achieved within these 
operating temperature range. 

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3.    AIR CONDITIONER OPERATIONS AND     

       PERFORMANCE

Three-minute protection feature

A protection feature prevents the air conditioner from being 
activated for approximately 3 minutes when it restarts immedi-
ately after operation.

Power failure

Power failure during operation will stop the unit completely.

The OPERATION lamp on the indoor unit will start  
flashing when power is restored.

To restart operation, push the ON/OFF button on the  
remote controller.

Lighting or a car wireless telephone operating nearby  
may cause the unit to malfunction.

Disconnect the unit with the power and then connect the unit 
with the power again. Push the ON/OFF button on the remote 
controller to restart operation.

4.    HINTS FOR ECONOMICAL OPERATION

Adjust the air flow direction properly to avoid winding toward 
your body.

Adjust the room temperature properly to get a comfortable 
situation and to avoid supercooling and superheat.
 
In cooling, close the curtains to avoid direct sunlight.

To keep cool or warm air in the room, never open doors or 
windows more often than necessary.

Set the timer for the desired operating time.

Never put obstructions near the air outlet or the air inlet. Or it 
will cause lower efficiency, even a sudden stop.

The following should be noticed to ensure an economical operation. 
(Refer to corresponding chapterfor details)

If you don't plan to use the unit for a long time, please discon-
nect power and remove the batteries from the remote control-
ler. When the power switch is connected, some energy will be 
consumed, even if the air conditioner isn't in operation. So 
please disconnect the power to save energy. And please 
switch the power on 12 hours before you restart the unit to 
ensure a smooth operation.

A clogged air filter will reduce cooling or heating efficiency, 
please clean it once two weeks.  

Cooling operation

Dry operation

Heating operating

(Cooling only 

type without)

Mode

Temperature

Outdoor
temperature

temperature

Room

18°C~43°C 17°C~32°C 

17°C~27°C 

17°C~32°C 

18°C~43°C 

-7°C~24°C 

Table 3-1

NOTE

NOTE

Summary of Contents for YMFFZC018-024BAM-AFX

Page 1: ...Read this manual before installation and operation Make sure that it is well kept for later reference Floor Ceiling R 410A 50Hz USER S MANUAL YMFFZC018 024BAM AFX YMFFZH018 060BAM N A B FX ...

Page 2: ...NDOOR UNIT OUTDOOR UNIT 1 2 3 5 4 7 6 8 8 8 8 8 8 9 9 7 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 OR 9 7 8 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 0 LOCK C H AUT O CO OL DR Y HEA T FAN TEM P SET CLOC K SET HO...

Page 3: ...ion 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: ... the 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 the gas leaks out and stays around the air conditioner a fire may break out The appliance is not intended for use by young children or infirm persons without supervision 2 TEMPORARY OPERATIONS The air co...

Page 5: ...ximately 3 minutes when it restarts immedi ately after operation Power failure Power failure during operation will stop the unit completely The OPERATION lamp on the indoor unit will start flashing when power is restored To restart operation push the ON OFF button on the remote controller Lighting or a car wireless telephone operating nearby may cause the unit to malfunction Disconnect the unit wi...

Page 6: ...king efficiency of the air conditioner may greatly decrease Therefore the filter must be cleaned once two weeks during long time usage If the air conditioner is installed in a dust place clean the the air filter frequent If the accumulated dust is too heavy to be cleaned please replace the filter with a new one replaceable air filter is an optional fitting Before you clean the air conditioner be s...

Page 7: ...remely contaminated the temperature distribution inside a room becomes uneven It is necessary to clean the interior of the indoor unit Ask your dealer for details on cleaning the unit This operation requires a qualified service erson When the system is changed over to heating operation after defrost operation Moisture generated by defrost becomes steam and is exhausted A continuous low shah sound ...

Page 8: ...leaks from indoor unit Other malfunctions 8 TROUBLESHOOTING If one of the following malfunctions occur stop operation shut off the power and contact with your dealer If the system does not properly operate except the above mentioned cases or the above mentioned malfunctions is evident investigate the system according to the following procedures See in Table 8 2 8 1 Troubles and causes of air condi...

Page 9: ...let of indoor outdoor units is blocked Doors and windows are open Sunlight directly shine Too much heat resource Outdoor temp is too high Leakage of refrigerant or lack of refrigerant Wait for the comeback of power Switch on the power ReplLocation Replace the batterises or check the controller Set the temperature properly Wait Check leakage and rightly recharge refrigerant Vacuum and recharge refr...

Page 10: ...emote controller is properly directed to the infrared signal receiver of the indoor unit when the ON OFF button is pressed Directly transmit the signal transmitter of the remote controller to the infrared signal receiver of the indoor unit and then repeatly push the ON OFF button twice The indication on the display disappears after a lapse of time Check whether the timer operation has come to an e...

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Page 12: ...QS01U 006AW ...

Page 13: ...www johnsoncontrols com UFEJZ AM 110802 2010 Johnson Controls Inc Johnson Controls reserve the right to change product features without prior notice ...

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