Panasonic CU-8ME1XPK - Page 441

Outdoor Unit Refrigerant System Diagram PACD011001C2
420 Function UM Combination “MA1R Series” Using R-407C
1.2.4 Oil Return Operation (Heating)
Heat exchanger
Fan
Indoor unit
Filter
Filter
Heat exchanger
Fan
Indoor unit
Filter
Filter
Heat exchanger
Fan
Indoor unit
Filter
Filter
OIL
OIL
OIL
Fan OFFFan OFF Fan OFF
" ON " " ON "" OFF "
Unit opration
(V0913)
High pressure & high temperature gas refrigerant High pressure & high temperature liquid refrigerant Low pressure & low temperature liquid & gas refrigerant