Daikin R407C PLUS - Page 51

Refrigerant System Diagram Si33-105
40 Function R407C PLUS Series Heat Recovery System
1.3.2 Simultaneous Cooling / Heating Operation
Indoor unit (Cooling) Indoor unit (Heating)
BS unit BS unit
Main unit
Sub unit
Hex.3
20E3 (Y3E)
Hex. 1
20E1(Y1E)
Hex. 2
20S1(Y1R)
20S2 (R1R)
Y5S
(3D031938-2)
20E2
(Y2E)
20S3
(Y3R)
High pressure & high temperature gas refrigerant High pressure & high temperature liquid refrigerant Low pressure & low temperature liquid & gas refrigerant