12
Pipe diagram
18. Connection 1"
19. Flexible hose 1"
20. Shutoff valve
21. P1 circulation pump 130 mm
23. Electrical supply heating 2 x 3 kW
24. Temperature sensor T18 buffer tank (flow)
25. Flexible hose 10 mm
26. Automatic vent 3/8"
27. Expansion tank 8 litre
28. Manometer
29. Safety valve 2.5 bar
30. Shutoff valve with particle filter
31. P2 circulation pump
33. Check valve 3/4"
37. Feed tap 1/2"
50. Temperature sensor T23 evaporator element
51. Temperature sensor T20 outdoor temperature
52. Temperature sensor T17 after condenser
53. Temperature sensor T16 before condenser
External AIR unit
3/4" supply flow
3/4" return flow
1" supply flow
1" return flow
Buffertank
Internal AIR unit