P.C.B. SM 20015 – boiler settings
10
D
B
10
20
30
40
A
MANO MET RO
C
Parameter 11 setting: MAXIMUM GAS PRESSURE SETTING - MAXIMUM HEATING OUTPUT SETTING
To check or modify the existing pressure value:
a. Insert a manometer into the gas valve pressure point B (fig.1);
b. Put ON / OFF button
1 in OFF position ( );
c. Push pad
6 and simultaneously and keep them pressed;
d. Put ON / OFF button
1 in ON position ( ) and wait until the
display shows
- ;
e. Release pad
6 and ;
f. Keeping pad
pressed, press pad 6 and select parameter no. ;
g. Release service pad
, press and release service pad ;
h. The display
will show the parameter value to be set or modified;
i. Press pad
6 to reach value on display;
j. Once the parameter value “99” has been reached, press and release service pad
the display will show value ;
k. Position ON/OFF button
1 in OFF position ( ) and back to ON position ( );
l. Open the hot water tap at the maximum flow and temperature to switch the boiler ON;
m. The manometer inserted in the pressure point B (fig. 1) will show the maximum gas pressure
n. If that value is different than the one stated in the data plate (see Gas Pressure adjustment table) modify it as follows:
o. Remove the aluminium cap A (fig.1) and, with a screwdriver, turn the plastic screw;
p. Turn clockwise to increase gas pressure and counter clockwise to decrease gas pressure;
q. Once the maximum gas pressure has been adjusted screw aluminium cap A back to position onto the gas valve;
r. Switch the boiler OFF by putting ON/OFF button
1 in OFF position ( );
s. Remove the silicon pipe from the pressure point B (fig.1), close tightly the pressure point screw and make sure there are no gas leaks.
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