LG MULTI V 5 Manual Book page 36

4.2 Heating
Item Refrigerant shortage
EEV close
Indoor unit EEV
(approx. 200 pls or less)
The degree of
subcooling
(@ indoor unit) below 3 ℃
(Condense Temp.
- Pipein Temp.)
Low pressure below target low pressure
High pressure Low pressure limit
high
(approx. 100 ℃ or more)
Inverter discharge
* If the compressor Hz is low, the
temperature
temperature may be low even if the
refrigerant is insufficient)
The degree of suction
above target degree
superheat
※ The table above is not an absolute measure of the amount of refrigerant.
Please judge comprehensively with other factors.
070
_TROUBLE SHOOTING GUIDE BOOK
Refrigerant overcharging
EEV open
(approx. 1350 pls)
above 7 ℃
above target low pressure
High pressure limit
* Even if the compressor Hz is low,
easily increase high pressure
low
* But not always low, depending on
the cycle)
below target degree
4.3 Normal cycle
071
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