Installation/Maintenance Guide

10
Cleaning and maintenance
Logano G201 - Subject to technical modifications.
40
Cleaning the flue gas header
The flue gas collector [2] is cleaned via the inspection
aperture. The inspection aperture is on the bottom of the
flue gas collector and is sealed with the cleaning cover
[1].
V Unscrew the two wing nuts on the cleaning cover.
V Carefully remove the cleaning cover [1].
V Remove the combustion residues via the inspection
aperture.
V Close the inspection aperture with the cleaning cover
[1]. Check that the gasket is seated correctly.
V Screw the cleaning cover [1] back on with two wing
nuts.
Fig. 40 Cleaning the flue gas header
1 Cleaning cover
2 Flue gas header
10.2 Checking the operating pressure
Fig. 41 Pressure/temperature gauge
V Checking the operating pressure. If the pressure of the
system sinks below 15 psi (1 bar), water must be
topped up.
V Add water to the system.
V Bleed the heating system.
V Check the operating pressure again.
Warning: Risk to health due to pollution of
drinking water!
V Always observe the regulations and stan-
dards applicable in your jurisdiction for the
prevention of contamination of drinking
water (e.g. by water from heating sys-
tems).
Warning: Risk of system damage due to fre-
quent topping up!
Depending on water quality, the heating sys-
tem may be damaged by corrosion or scaling
if you frequently top up the heating water.
V Notify your heating contractor if you find
you need to top up your heating system
frequently.
V Check the heating system for leaks and
proper operation of the expansion vessel.
Establish an operating pressure of at least
15 psi, depending on the system height!