Radiant DIAGNOCODE SM 20015 Instruction Manual - page 13
P.C.B. SM 20015 –boiler settings
10
D
B
10
20
30
40
A
MANOMETRO
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.
99
11
PL
0
11
Gas valve VK 4105G
Fig. 1