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4-22
4.2.15 Liquid / Moisture indicator
Liquid/Moisture Indicator permits checking of the refrigerant flow rate and moisture content in the
refrigerant.
(1) Moisture indicator
(2) Judgement for refrigerant flow rate (normal, shortage or overcharge)
Color
Green
Judgement
Dry
Yellow
Wet
(Contains excessive moisture)
Replace refrigerant
ATTENTION 1 !!
Judgement
Frozen
operation
Operation
RS<approx. -10˚C
Full
Refrigerant charge is normal if the
indicator is full of liquid when RS is
under approx. -10 deg. C.
RS<approx -10˚C
Flashing
Normal
Refrigerant charge is short if the
indicator shows flashing of refrigerant
when RS is under approx -10 deg. C.
Shortage
RS>approx -10˚C
Flashing
Normal
in most
cases
Refrigerant charge is normal with
flashing in the indicator in most cases,
when RS is above approx -10 deg. C.
Chilled
operation
Flashing
Normal
in most
cases
Refrigerant charge is normal with
flashing in the indicator in most cases,
during chilled operation with capacity
control.
As flashing here
does not mean gas
shortage, do not
charge with
additional refrigerant.
ATTENTION 2 !!
In the case of overcharge or shortage of refrigerant, recover all refrigerant from the unit
and charge with new refrigerant R134a with rated charged amount of 4.6 Kg (LXE10E-A)
or 5.4 Kg (LXE10E-1).
Refrigerant overcharge may cause scroll compressor damage.
ATTENTION 3 !!
Possibly caused by
overcharging
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