Air Flow Selection; Maintenance - Midea MFA-18HRDN1-Q Manual

6. AIR FLOW SELECTION

Open the front panel.
How to open the front panel: (Refer to Fig.7-1) .
CAUTION
Before opening the front panel,be sure to stop the
operation and turn the breaker OFF.
Do not touch the metal parts on the inside of the indoor
unit,as it may result in injury.
Make air flow selection according to what suits you.
(Pleas refor to Fig. 7-2 about the position of)
When setting the air flow selection switch to
Air conditioner automatically decides the appropriate blowing
pattern depending on the operating mode/situation.
Table 6-1
Operating
COOL mode
mode
When the room At start of
has become fully operation or
Situation
cool,or when one other times
hour has passed when the
since turning on room is not
the air condition- fully cooled.
er.
So that air does
not come into dir-
ect contact with
people,air is blo-
Blowing
wn upper air ou-
pattern
tlet,room tempe-
rature is equaliz-
ed.
During Dry mode,so that cold air does not come into direct
contact with people,air is blown upper air outlet.
When setting the air outlet selection switch to
Regardless of the operating mode or situation,air blows from
the upper air outlet.
Use this switch when you do not want air coming out of the
lower air outlet.(While sleeping stc.)
installation & owner's manual
12
HEAT mode
At times other than below.( At start or when
Normal time.) air temoerature
is low.
Air is blown from the
So that air does
upper and lower air
not come into
outlets for high spe-
direct contact
ed cooling during with people.Air
COOL mode,and for is blown upper
filling the room with
air outlet.
warm air during
HEAT mode.

7. MAINTENANCE

Before you clean the air conditioner, be sure the power Before you clean the air conditioner, be sure the power
supply is off. supply is off.
Check if the wiring is not broken off or disconnected. Check if the wiring is not broken off or disconnected.
Use a dry cloth to wipe the indoor unit and remote Use a dry cloth to wipe the indoor unit and remote
controller. controller.
A wet cloth may be used to clean the indoor unit if it is A wet cloth may be used to clean the indoor unit if it is
very dirty. very dirty.
Never use a damp cloth on the remote controller. Never use a damp cloth on the remote controller.
.
Do not use a chemically-treted duster for wiping or leave Do not use a chemically-treted duster for wiping or leave
such material on the unit for long. such material on the unit for long.
it may damage or fade the surface of the unit. it may damage or fade the surface of the unit.
Do not use benzine, thinner, polishing powder, or similar Do not use benzine, thinner, polishing powder, or similar
solvents for cleaning. solvents for cleaning.
These may cause the plastic surface to crack or deform. These may cause the plastic surface to crack or deform.
Maintenance after a long stop period Maintenance after a long stop period
(eg. at the beginning of the season) (eg. at the beginning of the season)
Check and remove everything that might be blocking inlet Check and remove everything that might be blocking inlet
and outlet vents of indoor units and outdoor units. and outlet vents of indoor units and outdoor units.
Clean air filters and casings of indoor units. Clean air filters and casings of indoor units.
Refer to "Cleaning the air filter" for details on how Refer to "Cleaning the air filter" for details on how
proceed and make sure to install cleaned air filters back in proceed and make sure to install cleaned air filters back in
the same position. the same position.
Turn on the power at least 12 hours before operating the Turn on the power at least 12 hours before operating the
unit in order to ensure smoother operation. As soon as he unit in order to ensure smoother operation. As soon as he
power is turned on, the remote controller displays appear. power is turned on, the remote controller displays appear.
.
Maintenance before a long stop period Maintenance before a long stop period
(eg. at the end of the season) (eg. at the end of the season)
Let the indoor units run in fan only operation for about half Let the indoor units run in fan only operation for about half
a day in order to dry the interior of the units. a day in order to dry the interior of the units.
Clean air filters and casings of indoor units. Refer to " Clean air filters and casings of indoor units. Refer to "
Cleaning the air filter" for details on how to proceed and Cleaning the air filter" for details on how to proceed and
make sure to install cleaned air filters back in the same make sure to install cleaned air filters back in the same
position. position.
Cleaning the air filter Cleaning the air filter
The air filter can prevent the dust or other particulate from The air filter can prevent the dust or other particulate from
going inside .In case of blockage of the filter , the working going inside .In case of blockage of the filter , the working
efficiency of the air conditioner may greatly decrease . efficiency of the air conditioner may greatly decrease .
Therefore , the filter must be cleaned once two weeks Therefore , the filter must be cleaned once two weeks
during long time usage. during long time usage.
If the air conditioner is installed in a dust place , clean the If the air conditioner is installed in a dust place , clean the
the air filter frequent. the air filter frequent.
If the accumulated dust is too heavy to be cleaned , please If the accumulated dust is too heavy to be cleaned , please
replace the filter with a new one(replaceable air filter is an replace the filter with a new one(replaceable air filter is an
optional fitting). optional fitting).
CAUTION
to to