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Do not dry out the air filter under direct sunshine or with fire. 
 
For the one-way cassette type , the air filter should be installed 
before the unit body installation. 


 

2. Dismantle the air filter.   
 
3. Clean the air filter  

4. Re-install the air filter.

5. Install and close the inlet grille in the reverse orders of step 
   1 and 2 and connect the control box cables to the  corre
   sponding terminators of the main body.  

CAUTION 

The  air  filter  can  prevent  the  dust  or  other  particulate  from 
going  inside  .In  case  of  blockage  of  the  filter  ,  the  working 
efficiency of the air conditioner may greatly decrease .

Therefore  ,  the  filter  must  be  cleaned  twice  a  month  during 
prolonged use.

Clean the air filter with vacuum cleaner or water.

a.The inlet side should face up when using vacuum 
    cleaner. (Refer to 

Fig.5-13

)

b.The inlet side should face down when using clean water. 
    (Refer to 

Fig.5-14

)

If the dust accumulation is too heavy, please use soft bursh and 
natural detergent to clean it and dry in the cool place.

Fig.5-15 

Fig.5-16 

12

owner’s manual 

Inlet grille

According to the figure shown in the position and 
direction of arrow, press the filter and take it down. In the 
same way,take down the filter on the other side,and put it 
back after cleaning.

 ■  

Air Out Louver 

(Adjustable)

Air Filter

 (Filter the dust in the intake air)

Air Intake 

(Intake room air here) 

Inlet grille

Fig.5-11 

Fig.5-12 

Fig.5-13 

Fig.5-14 

When the power switch is connected, some energy will be 
consumed, even if the unit is not in operation. So please 
disconnect the power to save the energy.

A degree of dirt will be accumulated due to certain performance 
after several seasons of operation. So special maintenance is 
advised.

Take out of the batteries from the remove controller.

NOTE 

Maintenance before a long stop period

  

(eg. at the end of the season)

          

Let the indoor units run in fan only operation for about half a 
day in order to dry the interior of the units. 
 
Clean air filters and casings of indoor units.  
 
Refer to “Cleaning the air filter" for details on how to proceed 
and  make  sure  to  install  cleaned  air  filters  back  in  the  same 
position.  
 
Turn off the unit with the “ON/OFF” button on the remove 
controlller,then disconnect the power. 

Summary of Contents for VRF series

Page 1: ...SYSVRF Indoor unit VRF Indoor units OWNER MANUAL GB...

Page 2: ...egarding the connection systems available If electrical appliances are disposed of in landfills or dumps hazardous substances can leak into the ground water and get into the food chain damaging your h...

Page 3: ...llow children to play on the outdoor unit or avoid placing any object on it Falling may result in injury Do not operate the air conditioner when using a room fumigation type insecticide Failure to obs...

Page 4: ...dust in the intake air Grounding Screw In the control box Air Intake Air Out Air Out Louver Adjust the air Aout direction Fig 2 4 Fig 2 7 Fig 2 8 Fig 2 9 Air return grille Induced air decoration Dust...

Page 5: ...let pipe Electric control box Fig 2 10 Fig 2 11 Fig 2 12 Fig 2 14 4 Low static pressure type Air Outlet Connect the duct Grounding Screw In the control box Control Box Air Intake Intake room air Air F...

Page 6: ...and effective operation The Max operation temperature for the air conditioner Cooling Heating 3 AIR CONDITIONER OPERATIONS AND PERFORMANCE Cooling operation Heating operating cooling only type withou...

Page 7: ...the difference of the room temperature The louver direction Choose horizontal outlet mode when cooling operation When the cooling operation the air flow down will cause condensing dew on the air outle...

Page 8: ...down when the air flow is down Horizontal louver Less than 40 2 The slant angle of horizontal louver must be Less than 40 otherwise condensation drops may occur vertical louver vertical louver When ad...

Page 9: ...he horizontal louver with hands or malfunction may occur Adjust it with the swing button on the wire controller 1 2 3 Ceiling floor type Auto swing Press SWING button the louver will swing up and down...

Page 10: ...attern depending on the operating mode situation During Dry mode so that cold air does not come into direct contact with people air is blown upper air outlet Regardless of the operating mode or situat...

Page 11: ...se If the air conditioner is positioned in a dusty place the cleaning frequency of the air filter must be increased If the accumulated dust is too heavy to be cleaned please replace the filter with a...

Page 12: ...in version I proceed as followed Fig 5 9 Fig 5 10 Take off the inlet grille from the panel Air Outlet Selection Switch special function filter For Console Type Push the grille switches to the arrow d...

Page 13: ...e Fig 5 15 Fig 5 16 12 owner s manual Inlet grille According to the figure shown in the position and direction of arrow press the filter and take it down In the same way take down the filter on the ot...

Page 14: ...top or flow change A continuous low hissing sound is heard when the system is in cooling operation or at a stop When the drain pump optional accessories is in operation this noise is heard A squeaking...

Page 15: ...Doors and windows are open Direct sunlight 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 Replace the...

Page 16: ...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 end wh...

Page 17: ...alfunctions disappear it restores automatically When the indoor unit is replaced with a correct one or is turned off the alarm will disappear Table 7 4 NO Type Contents Display content Remarks Room te...

Page 18: ...SYSVRF indoor units_OM EN April 2014 202000191029 WP MDV03U 011PW...

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