31 SERVICE INSTRUCTIONS
1. VERSION GB
CLEANING THE BOILER
The outer housing of the boiler can be cleaned with a
soft cloth dampened with detergent. In the case of
persistently soiling spots, removal can be executed with
the help of a cloth dampened with a mixture of 50%
industrial alcohol and water.
It is forbidden to use paints and other thinners with an
aggressive effect!
o
You will have access to the internal parts by
removing the door and the top sheet.
o
If the appliance box is to be removed, it can be
pulled out after the release of the snaps marked
“A”, in “B” direction.
o
For the removal of the gas burner, flare nut
number 1 must be loosened, then, after screws
number 2 of the burner tray have been screwed
out, it can be removed forward.
o
The burner tubes removed can be cleaned, and
the inside surface of the cast heat exchanger
becomes accessible.
o
Check the cleanness of the surfaces of the heat
exchanger, and clean it if soot settlement is
visible. If the layer of soil is too thick, you can
use commercially available soot-removing
chemicals.
o
Assembly, logically, is the reverse of the steps of
disassembly.
The cleaning of GHISS B type boilers
Attention! Upon any maintenance operation, disconnect
the device from the electric network!
Among appropriate circumstances of use, the boiler
does not need any special attention apart from the
compulsory annual maintenance operation (before the
heating season).
The internal cleaning of the indirect boilers is usually
necessary when, after a longer period of operating time
or right after the maintenance of the water network for
use, more significant sediment settles in the inside of the
container. Due to its sand-like nature, this sediment can
be usually easily removed from the boiler in the following
manner: