7 Hydraulic connection
7 Hydraulic connection
7.1 Boiler connections
Flow, return, heating circuits
Abb. 2-47
1 Buffer tank return / DHW tank return
2 Buffer tank flow / DHW tank flow
3 Heating circuit 1 - return
4 Heating circuit 1 - flow
5 Heating circuit 2 - return
6 Heating circuit 2 - flow
7 Connections for the thermal overload pro-
tection – only in the case of
pellet
elegance
24
7.2 Filling the heating system
i
Follow the regulations for the heating system
fill-up water
Abb. 2-48: Fill and drain valve for filling and draining the boiler
►
Fill system up to a pressure of 2 bar (manometer
1
)
Abb. 2-49: Manometer for system pressure
7.3 Venting the heating system
!
ATTENTION
- Vent the boiler at 2 points.
►
Remove the cover
1
and vent the boiler using the
valve
2
on the front.
Abb. 2-50
Installation manual
pelletelegance
31
