LG Multi V 5 - Page 36

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_TROUBLE SHOOTING GUIDE BOOK _
4.3 Normal cycle



 














 




 

 

 
 ↑ ↓ ↓ ↑
 ↓ ↑ ↑ ↓
4.2 Heating
Item Refrigerant shortage Refrigerant overcharging
Indoor unit EEV
EEV close
(approx. 200 pls or less)
EEV open
(approx. 1350 pls)
The degree of
subcooling
(@ indoor unit)
(Condense Temp.
- Pipein Temp.)
below 3 ℃ above 7 ℃
Low pressure below target low pressure above target low pressure
High pressure Low pressure limit
High pressure limit
* Even if the compressor Hz is low,
easily increase high pressure
Inverter discharge
temperature
high
(approx. 100 ℃ or more)
* If the compressor Hz is low, the
temperature may be low even if the
refrigerant is insufficient)
low
* But not always low, depending on
the cycle)
The degree of suction
superheat
above target degree below target degree
※ The table above is not an absolute measure of the amount of refrigerant.
Please judge comprehensively with other factors.
Basic Part
Multi V 5
Intorduction
Trouble Shooting
Function Control
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