Mitsubishi Heavy Industries WRK20MA1, Manual

Air Freshen Filter(optional)

How to install the air freshen filter

1. Remove the air filter as the steps 

. 

2. Install the air freshen filter to the positions
    you desired as shown in the right picture.

above

1

2
3
4

The air freshen filter
at any place of the four positions.

 can be installed

The air filter behind the inlet grille should be checked and 
cleaned at least once every 2 weeks (or as necessary) to 
maintain optimal performance of the air conditioner. 

Air Filter

How to remove the air filter

1. 
    and remove the front panel.
2. Pinch the handle under the air filter and make the air filter
    arched, remove it from the slot from underside to upside.
3. Clean the filter with warm, soapy water. The water 

O

    should be below 40 C to prevent distortion of the filter.
4. Rinse off and gently shake off excess water from the 
    filter. Allow the filter to dry before replacing it. To prevent
    distortion of the filter, do not dry in direct sunlight. 
     

Hold the tabs under the front panel, then uplift it outwards, 

10

To meet different requirement of different type of  air  conditioner,t here a re three k inds o f m ethods  
for your choice to treat the condensed water.

Drainage

1. Remove the rubber plug from the bottom of the cabinet and 
    attach to the back drain hole (on some models the rubber
    plug provided with your air conditioner accessory). For the 
    units without the bottom rubber plug and the back drain hole, 
    just install the drain tray.
2. Take out the drain tray and screws (which provided with 
    your air conditioner accessory).
3. Install the drain tray at the bottom of the unit and secure with  
    screws provided.
4. Connect  the drain hose to the outlet located at one side of the 
    drain tray. You can purchase the drain hose or tubing locally to 
    satisfy your particular needs (Drain hose is not supplied).
    

Suggestion:

  To ensure the condensed water drain off smoothly, always keep the drain oulet of the 

                           the drain tray downward when install the drain tray.
    

When cooling or heating,you can choose bottom drainage ,
See the following procedures to perform bottom drainage:

RUBBER 
PLUG

SCREW

DRAIN PAN

DRAIN 
OUTLET

Note:

When you choice bottom drainage the air conditioner will effect cooling efficiency little and
have no voice of hit water.   

To adjust vertical air flow direction of the up or low horizontal 
louvers, adjust any one of the up or low horizontal louver blades.  

Vertical air flow adjustment (manually)

Up horizontal louver

Low horizontal louver