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CHECKING THE GAS SETTINGS
P06" (Figure 7.4).
Figure 7.4
• Press 16 (Figure 7.2) to show the value of
parameter P06 on the LCD display (Figure
7.5).
Figure 7.5
• Press 15 and the LCD display shows the
number 02, indicating activation of the
"chimney sweep function" at maximum out-
put (Figure 7.6).
• Press the 12 button (Figure 7.2) to confirm
the value entered and activate the function.
Figure 7.6
• Press the 17 button (Figure 7.2) to exit "pro-
gramming mode" (Figure 7.7).
Figure 7.7
RESET
bar
RESET
bar
RESET
bar
RESET
bar
Compare the pressure value measured with
that shown in the "Maximum gas pressure at
burner" tables. To calibrate the pressure at the
burner turn the large brass hexagonal nut of
the modulating operator 28 MAX in Figure 7.8
(turning it clockwise increases the pressure).
27
C
29
Figure 7.8
M290E.24CM - Max. gas pressure at the burner
Methane G20
Propane G31
1 mbar corresponds to approx. 10 mm H20
Figure 7.9
M290E.28CM - Max. gas pressure at the burner
Methane G20
Propane G31
1 mbar corresponds to approx. 10 mm H20
Figure 7.10
M290E.32CM - Max. gas pressure at the burner
Methane G20
Propane G31
1 mbar corresponds to approx. 10 mm H20
Figure 7.11
28 MAX
28 MIN
26
Pa
1280
mbar
12,8
Pa
3600
mbar
36,0
Pa
1180
mbar
11,8
Pa
3550
mbar
35,5
Pa
1200
mbar
12,0
Pa
3310
mbar
33,1
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