COSMOGAS Adveco MYDENS 15B, Инструкция по установке, использованию и техническому обслуживанию, Страница: 78 / 96

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MYDENS COSMOGAS
8 - MAINTENANCE
8.4 - Dismantling the burner fan
assembly
When not otherwise specified, refer to Figure 55.
1. - Remove the air manifold "C" (Figure 40) making sure to
rotate it outwards and then slide it out of the fan inlet;
2. - Unscrew nut “C” from valve “D”;
3. - Disconnect cables “B” and the detection cable from
the ignition (details “53” in Figure 2) and detection
electrodes (details "12" in Figure 1);
4. - unscrew the four nuts “E”;
5. - extract the assembly “F”;
G
A
C
B
F L
H
D
E
020002.01.024
Figure 55
020009.01.032
M
N
Figure 56
a
WARNING!!! The gasket "M" of the Figure 56
ensures the combustion chamber is sealed. If the
gasket is damaged DO NOT reuse it, it must be
replaced along with the burner unit. Consult the
manufacturer for information on replacing it.
8.5 - Cleaning the burner and the
primary heat exchanger (flue gas side)
1. - Remove the burner fan unit (section 8.4);
2. - Pass a cylindrical brush with plastic bristles inside the
combustion chamber;
3. - Using a suction device, suck up the unburnt residues
found inside the combustion chamber;
4. - Using a suction device, suck up the unburnt residues
found inside the combustion chamber;
5. - Rinse the heat exchanger with clean water to remove
residues and check that the space between the
exchanger elements is not clogged (the water must
naturally flow into the condensate siphon);
6. - Visually check that the burner and the combustion
chamber are in good condition;
a
WARNING!!! Every time the burner and the
primary heat exchanger are cleaned, check that
thermal insulation elements “G” and “H” are in good
condition see Figure 55. If necessary, replace them
(request the appropriate kit) together with the gasket
"L" of the Figure 55.
7. - Checking that the gaskets are in good condition and
replacing them where necessary;
a
WARNING!!! The gasket on the burner door "M"
in Figure 56,irrespective of its condition, must be
replaced at least every two years.
8. - Restore the state of the appliance by reassembling
everything in the reverse order to that used for the
dismantling phases;
9. - Power up the appliance and open the gas supply;
10. - Switch on the appliance;
11. - Check that there are no gas leaks between the joints
removed;
a
WARNING!!! Perform the gas leak test using a
leak detection fluid only. The use of naked flames is
prohibited.