Operation Manual
Special remarks
Troubleshooting
If overflow of drain water from the indoor unit occurs, stop the operation and contact your contractor.
If you smell or see white smoke coming from the unit, turn OFF the main power supply and contact
your
installer.
1.
If the trouble still remains even after checking the following, contact your installer and inform them
of the following items
.
(1) Unit Model Name
(2) Content of Trouble
2.
No Operation
Check whether the SET TEMP is set at the correct temperature.
CAUTION
6
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A
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3 minutes protection after compressor stop
To protect compressor, it will be continue off for at least 3 minutes once it has stopped.
5 minutes protection
Cooling operation
Heating operation
nti-freezing function during cooling
When the temperature of the air from the indoor outlet is too low, the unit will run for some time under the
fan mode, to avoid frost or ice forming in the indoor heat exchanger.
Cold air prevention
Defrosting
Compressor
must
run
5
minutes
at
least
once
start
running
.
In
the
5
minutes
,
compressor
will
not
stop
even
the
room temperature
reaches
the
set
point
unless
you
use
remote
control
switch
to
turn
off
the
unit
(
all
indoor
unit
can
be turned
off
by
user
).
The
fan
of
the
indoor
unit
will
never
stop
running
in
cooling
operation
.
It
remains
running
even
if
the
compressor
stops
working
.
Heating
capacity
depends
on
external
factors
as
outdoor
unit
temperature
.
Heating
capacity
might
decrease
if outdoor
ambient
temperature
is
too
low
.
In
several
minutes
after
the
heating
mode
is
started
,
the
fan
of
the
indoor
unit
will
not
run
until
the
heat
exchanger
of
the
indoor
unit
reaches
a
certain
temperature
in
order
to
prevent
cold
draft
.
When
the
outdoor
temperature
is
too
low
,
frost
or
ice
may
form
in
the
outdoor
heat
exchanger
,
reducing
heating
performance
.
When
this
happens
,
a
defrosting
system
of
the
air
conditioner
will
operate
.
At
the
same
time
the
fan
in
the
indoor
unit
stops
(
or
runs
at
a
very
low
speed
in
some
cases
),
to
prevent
cold
draft
.
After
defrosting
is
over
,
the
heating
operation
and
fan
speed
restart
.
Auto
re
-
start
from
Power
Break
When
the
power
supply
is
recovered
after
power
break
,
all
preset
are
still
effective
and
the
air
-
conditioner
Purging of residue heated air
When stop the air conditioner in normal operation, the fan motor would run with low speed for a while to
blow out the residue heated air.
will
run
according
to
the
previous
setting
.
●
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
.
