Mounting the sight glass
Fig. 5
Fuels
Oil
■ Fuel oil EL to DIN 51603, part 1.
■ Fuel oil S or SA to DIN 51603 part 3,
5. When using fuel oil S or SA, different
output data (heating output, flue gas
temperature, efficiency) may result.
Mount the sight glass (supplied with the
flame tube) into the cleaning aperture
closure at the back of the boiler.
Gas
■ Natural gas and LPG in accordance
with DVGW Code of Practice G 260/I
and II or in accordance with local reg-
ulations.
Alternative fuel
■ On request
11