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Care and Maintenance / Fresh air and exhaust control
To remove, wash and replace filter and return air grille
Open the return air (RA) grille by grasping it at the top outside edges and
pulling towards you (See Figure 7). The RA grille will stay open until it is
detached or closed (it is easier to completely detach the grille before closing
it). To remove the RA grille, grasp it at the bottom and pull towards you.
The fi lter is held in place by two spring clips (See Figure 7). Push down on
the clips, grasp the fi lter and pull towards you to remove it for cleaning. Clean
with warm water and a mild detergent, rinse, dry completely and replace.
Use caution when removing the fi lter. The coil surface can be sharp.
If the RA grille has been removed, pick up the grille by supporting it from
both sides near the bottom (See Figure 8, Note 1). Lift return air grille and
insert the grille's tabs into the bottom slots of the discharge air plenum (See
Figure 8, Note 2). Snap the grille into place by pushing the grille up and onto
the unit's latches at the bottom (See Figure 8, Notes 3 and 4).
Fresh air and exhaust control
Your air con di tion er has the ability to bring fresh air into the room or ex haust
stale air out of the room. The con trol le ver is found on the upper part of
the unit (See Fig ure 9).
TO BRING IN FRESH AIR - Move the lever to the Fresh Air position which
allows outside air to enter the room. This is useful in fall and spring as a
means of bringing in fresh outside air when using Fan Only. It can also be
used in the summer with the com pres sor in the Cool ing Mode if you wish.
Normally, for most effi cient operation, cooling is ac com plished with this
control in the middle or closed position.
TO EXHAUST INDOOR AIR - Move the lever to the Exhaust position. This
will allow stale air to be expelled to the outside of the dwelling. This is es pe -
cial ly handy in the spring or fall when indoor air tends to get stale, or after a
social gathering involving smokers, or to re move odors after cooking.
920-198-00
Figure 7
DISCHARGE AIR PLENUM
SLOT
TAB
NOTE 1
NOTE 3
Figure 8
Figure 9
NOTE 2
SLOT
TAB
RETURN AIR GRILLE
NOTE 1
NOTE 3
LATCHES
RETURN AIR GRILLE
NOTE 4
SIDE VIEW
LATCH
7
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