Daikin R407C PLUS - Flow of Refrigerant in each Operating Mode

Si33-105 Refrigerant System Diagram
Function R407C PLUS Series Heat Recovery System 39
1.3 Flow of Refrigerant in Each Operating Mode
1.3.1 Cooling Operation
500 pls
Indoor unit Indoor unit
BS unit BS unit
500 pls
Main unit
Sub unit
Hex.3
20E3 (Y3E)
Hex. 1
20E1(Y1E)
Hex. 2
20S1(Y1R)
20S2 (R1R)
Y5S
(3D031938-1)
20E2
(Y2E)
20S3
(Y3R)
High pressure & high temperature gas refrigerant High pressure & high temperature liquid refrigerant Low pressure & low temperature liquid & gas refrigerant