Helo R20 Manuel D'installation Et D'utilisation page 37

Heater safety distances
1. Flammable material
2. Non-flammable material
3. Uninsulated interconnecting pipe
A. Uninsulated interconnecting pipe, safety distance to flammable material 400 mm.
B. Heater safety distance to flammable material, side and back, 300 mm.
C. Heater minimum distance to non-flammable material 50 mm.
D. Heater safety distance to front, 500 mm.
Figure 8
Figure 9
NOTE!
For best performance, it is important to empty the heater's ash pan at least before every second heating to keep
the combustion air opening under the grate open.
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