7
Operation manual
3. Not Cooling or Heating properly
Check for obstruction of air flow at
outdoor
or
indoor units.
Check if too many heating sources are located in the room.
Check if the air filter is clogged with dust.
Check if the doors or windows are open.
Check if the temperature condition is not within the operation range.
4. This is Not Abnormal
Smells from indoor unit
During defrosting operation, ice on the outdoor heat exchanger is melted, resulting in making steam.
Dew on Air Panel
Refrigerant Flow Sound
While the system is being started or stopped, sound from the refrigerant flow may be heard.
During
system
starting
or
stopping
,
a
sound
might
be
heard
.
However
,
this
is
due
to
thermal
deformation
of
plastic
parts
.
It
is
not
abnormal
.
Smell
adheres
on
indoor
unit
after
a
long
period
of
time
.
Clean
the
air
filter
and
panels
or
allow
a
good
ventilation
.
Sound
from
Deforming
Parts
Steam
from
Outdoor
Heat
Exchanger
When
the
cooling
operation
continues
for
a
long
period
of
time
under
high
humidity
conditions
(
higher
than
27
℃ /
80
%
R
.
H
.),
dew
can
form
on
the
air
panel
.
5.Filter removing
and
installing
Removing
filter from air return grille
Take out the air filter according the following steps.
Step 1
Slide the air return grille holding knobs (4) , then remove the holding screws (4 or 6) as indicated
by the
arrow marks
.
Step 2
Open the air return grille to an angle of more than 45
°
and take out the air filter from the air inlet grille by
holding the air grille and lifting the air filter after detaching the filter from the hinges.
Installing
the
filter
Step 1: Insert the filer to the grille and aim the bottom hooks. Pay attention to grille top hooks is locked.
Step 2: Fix screws
(
4
or
6
)
.
Step 3: The intake grille is attached.
Step 1
bottom hook
top hook
Step 2
AUV-18HR4SSA1
AUV-24HR4SFA1
AUV-36HR6SDB1
AUV-48HR6SEC1
AUV-60HR6SPC1
RPFC-2.0UNZ1NH
RPFC-3.0UNZ1NH
RPFC-4.0UNZ1NH
RPFC-6.0UNZ1NH
RPFC-6.5UNZ1NH
YFGN18BZNRZUH1
YFGN24BZNRZUH1
YFGN36BZMRZUH1
YFGN48BZMRZUH1
YFGN55BZMRZUH1
RAS-2.0UNZGNH1
RAS-3.0UNZGNH1
RAS-4.0UNZGMH1
RAS-6.0UNZGMH1
RAS-6.5UNZGMH1
●
Blowing out the surviwal heating air
When
stoping
the
air
conditioner
in
normal
operation
,
the
fan
motor
would
run
with
low
speed
for
a
while
to
blow
out
the
residual
heating
air
.
