3 Heating engineer
20
2�4 MINIMUM CLEARANCE DISTANCES
Distances from combustible or flammable materials
▶
Keep the appliance away from combustible or flammable
materials or components, in compliance with applicable
regulations.
Clearances around the appliance
The minimum clearance distances shown in Figure 2.2 p. 20
(bar any stricter regulations) are required for safety, operation
and maintenance.
Figure 2�2 – Clearances
2�5 MOUNTING BASE
Mounting base constructive features
▶
Place the appliance on a levelled flat surface made of fire-
proof material and able to withstand its weight.
(1) - installation at ground level
▶
Failing a horizontal supporting base, make a flat and lev-
elled concrete base, at least 100-150 mm larger than the ap-
pliance size per side.
(2) - installation on terrace or roof
▶
The structure of the building must support the total weight
of the appliance and the supporting base.
▶
If necessary, provide a maintenance walkway around the ap-
pliance.
Anti vibration mountings
Although the appliance's vibrations are minimal, resonance
phenomena might occur in roof or terrace installations.
▶
Use anti-vibration mountings�
▶
Also provide anti-vibration connections between the appli-
ance and water and gas pipes.
3 HEATING ENGINEER
3�1 WARNINGS
General warnings
Read the warnings in Chapter III p. 4, providing im-
portant information on regulations and on safety.
Compliance with installation standards
Installation must comply with applicable regulations
in force, based on the installation Country and site, in
matters of safety, design, implementation and mainte-
nance of:
▶
heating systems;
▶
cooling systems;
▶
gas systems;
▶
flue gas exhaust;
▶
flue gas condensate discharge.
Installation must also comply with the manufacturer's
provisions.