LG PRHR040 Brochure page 21

61799 LG Multi V Catalogue 4/5/07 2:17 pm Page 21
Outdoor unit
Subcooling circuit technology
The double tube heat exchanger (LG patent) improves heating and cooling
capacity due to the advanced subcooling circuit.
Double tube heat exchange
From outdoor
Linear expansion
valve
To indoor
2 phase fluid
Liquid phase
spiral tube
Fuzzy control system
The fuzzy control system enables optimum conditioning by quickly attaining and
maintaining the desired temperature for a much more pleasant and comfortable
environment.
Existing control
Target temp.
Fuzzy control
Time
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Air conditioning system