Panasonic CU-8ME1XPK - Page 440

PACD011001C2 Outdoor Unit Refrigerant System Diagram
Function UM Combination “MA1R Series” Using R-407C 419
1.2.3 Oil Return Operation (Cooling)
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 ON Fan ON
" ON "
Fan ON
" ON "" OFF "
Unit opration
(V0912)
High pressure & high temperature gas refrigerant High pressure & high temperature liquid refrigerant Low pressure & low temperature liquid & gas refrigerant