4 Planning and installation – Installing the heating system
33
✎ See section “4.2 Structural requirements”, under “Required room
sizes and minimum clearances”.
5. Align the boiler with plastic plates or flat steel strips (not included
in the scope of delivery) so that it is horizontal.
✓ The HDG F20-50 boiler has been placed in position.
INSTALLING HYDRAULIC CONNECTIONS
HDG F20-50
1. Extend the connection for the flow (1) and the return (3) using the
double pipe nipple supplied.
2. Insulate the connection extensions with the insulating hoses
supplied (2 + 4).
✓ The hydraulic connections are attached.
HDG F20-50 H
YBRID
The following tasks must be performed if the HDG F20-50 is
configured only as a log wood boiler.
If the boiler is intended for combined use with a pellet unit, proceed
with section "HDG F20-50 Hybrid".
Figure 4/8 - Extending and insulating the connections
The following tasks must be performed if the boiler is intended for
use as HDG F20-50 Hybrid in combination with an HDG K Hybrid
pellet unit.
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