Cleaning The Burner And Primary Heat Exchanger, Flue Gas Side - RBI Infinite Energy2 IW199 Installation And Operation Instructions Manual

16 - MAINTENANCE
020009.01.012
A
D
Figure 16-3 - Remove the spark generator
E C B
Figure 16-4 - Remove the air inlet silencer
D
D
020009.01.014
A
16.3 - Cleaning the
burner and primary heat
exchanger, flue gas side
Burner and primary heat exchanger must
be checked every year and cleaned if ther'is
presence of debris or products of the combustion.
To correctly clean the burner and the flue gas side
of the heat exchanger follow the steps below:
WARNING!!!
the next step, verify that the electrical
supply to the appliance, and any other
electrical supply near the appliance, is
off. Verify that the manual gas shut off
valve is closed. Failure to comply with
this warning can cause extensive property
damage, severe personal injury or death!
1.- Follow the steps in Section 16.2 to gain access
to the internal components;
2.- For units 399 up to 1000, prepare a suitable
cover for the burner units below your actual site
(if any) so that no dirt, water, or other foreign
objects can fall into the burner unit below;
3.- Loosen screws "D" (Figure 16-3) and move up
the spark generator "A" (Figure 16-3);
4.- Disconnect the two wires "D" (Figure 16-
4) from the ignition electrodes and the wire
"E" (Figure 16-4) from the flame detection
electrode;
5.- Rotate the air inlet silencer "B" (Figure 16-4) in
the up direction;
6.- Pull in the left direction "C" (Figure 16-4) the air
inlet silencer and remove it from the fan;
7.- Unscrew nut "H" (Figure 16-5). Pay attention to
the gasket between nut "H" (Figure 16-5) and
the gas valve;
8.- Take away the spring "A" as per Figure 16-5.
Help yourself with a screwdriver;
9.- Remove the electrical plug from the gas valve;
10.- Remove the gas valve from its position (see
Figure 16-6). Take care attention to the o-ring "L"
of Figure 16-6;
11.- Unscrew the four nuts "B" in Figure 16-7;
12.- Remove the entire fan - burner assembly,
detail "C" in Figure 16-7;
13.- Use a cylindrical brush with plastic bristles
to clean the inside of the combustion chamber,
detail "H" in Figure 16-7;
14.- Use a vacuum cleaner to remove any
unburned residue from the combustion
chamber "H" in Figure 16-7;
15.- Using the same vacuum cleaner, clean
the surfaces of the burner and around the
electrodes;
WARNING!!!
106
Before proceeding to
While performing the