Indoor Unit - National CS-MC120AKH Operating Instructions Manual

Preparation Before Operation

Indoor unit

I Setting the air cleaning filters
1
Open the front grille.
•
Hold the grille by the tabs on the two sides and lift it
until it stops with a click. (about 60°)
2
Pull out the air
filters.
•
Push upwards the tab
at the center of each
air filter, then pull it
down.
3
Set the air purifying filters.
•
Attach an air purifying filter to each air filter.
•
You may stick a colour sample label at a convenient
place on the indoor unit so that you can know when
they need replacement by comparing the colours. (See
page 10 "Care and cleaning – Replacing air purifying
filters")
4
Set the air filters in their original
positions and close the front grille.
•
Operation without air filters may result in troubles as
dust will accumulate inside the indoor unit.
NOTE
Tips for saving energy
•
Be careful not to cool the room too much.
Keeping the temperature setting at a moderate level helps
save energy.
Recommended temperature setting
For cooling: 26°C ~ 28°C
•
Cover windows with a blind or a curtain.
Blocking sunlight and air from outdoors increases the
cooling effect.
•
Clogged air filters cause inefficient operation and waste
energy. CLEANING lamp tells you when the air filters
need cleaning. Clean them once in about every two
weeks.
I Setting the clock
1
CLOCK
Press .
AM
2
Press
the present time.
PM
•
Holding down ( ) or (
rapidly increases or decreases the time display.
3
CLOCK
Press .
PM
(Now the clock is set.)
I Turn the breaker ON
•
Turning ON the breaker opens the flap, then closes it again.
(This is a normal procedure.)
Please note
•
The air conditioner always consumes 15 watts of
electricity even while it is not operating.
•
If you are not going to use the air conditioner for a long
period, for example in spring or autumn, turn the breaker
OFF.
•
Use the air conditioner in the following conditions.
Mode Operating conditions
Outdoor temperature:
19 to 46°C
Indoor temperature:
COOL
18 to 32°C
DRY
Indoor humidity:
80% or below
•
Operation outside this humidity or temperature range may
cause a safety device to disable the system.
AM
is displayed.
blinks.
to set the clock to
) button
.
blinks
If operation is continued
out of this range:
• A safety device may
work to stop the opera-
tion.
• Condensation may oc-
cur on the indoor unit
and drip.
7