ADDITIONAL
CHARGE
TIle refrigerant is pre-charged in
the
outdoor
unit.
If
the
piping length is less
than
7 .Sm,
then
additional charge after
vacuuming
is not
neces
sary.
If
the piping length is
more
than
7.5m
,
then
use
the
additional charge
value
as indicated in the table.
Additional
refrigerant
charge
[g]
per
additiona11m
length
as
tabulated
Indoor
(ATXN)
20
25
35
Outdoor
(ARXN)
20
25
35
Additional
charge
[glm]
20 20
20
Examllie:
ATXN25 &
ARXN25
with
12m
piping length, additional piping length is 4.5m.
Thu
s,
Additional
charge
= 4.5[m] x
20[glm]
=
9O.0
[g]
INDICATOR
LIGHTS
IR
Signal Receiver
When an infrared remote control operating signal has been
tran
sm
itted, the signal
receiver
on
the
indoor
unit will
respond
as
below
to confmll acceptance
of
the
signal transmission.
ON
to OFF 1 Long Beep
OFF
to
ON 2 Short
Beep
Pump
down I Cool force on
Others
I Short Beep
~
50
60
50
60
20 20
ill
Receiver
./
~
,,(~
Cooling
UnitlHeat
Pump
Unit
LED
Indicator
Lights
for
Coohng
UmtlHeat
Pump
Unit
The table shows the LED indicator lights for the air conditioner
unit under nonnal operation and fault conditions.
TIle
LED indicator lights arc located at the side
of
the air
conditioner unit.
The heat pump units are equipped with an
"auto" mode
sensor whereby
it
will provide reasonable room temperature
by switching automatically to either
"cool" or "heat" mode
according to the
temperattrre set by the u
se
r.
ON/OFF
-+
___
ill
Receiver
:
E±==c
oollHeat
Timer
Sleep
-+-+---ON/OFF switch
LED
Indicator
Lights: Normal
Operation
And
Fault
Conditions
For
CoolinglHeat
Pump
Unit
MV
/JX
NV
Model
~
[(5]
[(5]
[ed]
Operation
~~,
CooUHEAT
(GREENJRED)
(BLUEIRED)
0
0
Cool mode
G~'
,,~
0 0
Heat mode
= =
0 0
Auto mode in Heating operation
= =
0
0
Auto mode in Cooling operation
G~'
,,~
0 0 0
Timer
on
0 0 0
Sleep mode on
0
0
Fan mode on
G~'
,,~
0
0
Dry mode on
G~'
,,~
ct
ct
Defrost operation
= =
ct
ct
Unit error
G~'
,,~
O
ON
ct
Blinking
1-14
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