Coil Assembly - hergom DERO SE Installation, Use And Maintenance Instructions

OPEN VESSEL SYSTEM:
Make the filling the system with open expansion
vessel on the return of the fireplace heating. Never
make the filling directly with network pressure.
Place the open expansion tank at a height of more
than 3 meters from the highest point of the radia-
tors.
It is recommended to install a safety valve 3 bar.
Perform anti-ice coverage for the expansion tank
and drain tube.
CLOSED VESSEL SYSTEM:
The bolier has been verified in the factory at a pres-
sure of 3 bar. Make the filling the system at a pres-
sure not exceeding this.
It is mandatory to install a safety valve 3 bar.

COIL ASSEMBLY

Coil
Recommendations for installing the fireplace
17