32 SAVIO HEAT ONLY MANUAL
15. Commissioning Cont.
Checking the burner ignition:
15.6
Turn the boiler OFF.
•
Open the gas valve outlet pressure test point
•
15 ( gure 15.5) and connect the gauge.
Turn the boiler ON positioning the function se-
•
lector B in the position shown in gure 15.7
and ensure that the room thermostat is set to
“heat demand”.
Figure 15.7
Loosen screws D and remove the service
•
panel ( gure 15.9).
Figure 15.8
Watch the gauge and check to see if the ig-
•
nition pressure registerd corresponds to the
values given in the Technical Data. Turn off
the boiler and reignite it by turning the function
selector B to the 0 position and then back to
that indicated in gure 15.7
D
D
D
Repeat this process two to three times leav-
•
ing 30 second intervals between each igni-
tion. Check the ignition pressures and visually
check that the burner lights uniformly and in a
controlled manner.
To carry out the adjustment move the function
•
selector 3 to the OFF position (Fig. 15.9) and
use the device (ACC).
Figure 15.9
Adjust the gas pressure at the injectors to the
•
value indicated in the tables of section 2. By
rotating the device clockwise the pressure in-
creases.
After the adjustment operations bring the se-
•
lector 3 of gure 15.9 back to the normal posi-
tion (ON).
Reassemble the service panel.
•
Close the gas valve outlet pressure test point
•
15 ( gure 15.5).
Reassemble the front pannel of the case.
•
Important: after the checks all of the test
points must be sealed.
2
3
4
OFF
ON
1
ACC
RISC
+
+
Adjustment of the useful c.h. output:
15.7
Turn the boiler OFF.
•
Open the gas valve outlet pressure test point 15 ( gure 15.5) and connect the gauge.
•
Turn the boiler ON positioning the function selector B in the position shown in gure 15.7 and ensure
•
that the room thermostat is set to “heat demand”.
Loosen screws D and remove the service panel ( gure 15.8).
•
To carry out the adjustment use the adjustment device (RISC) with the help of a screwdriver.
•
By rotating the device clockwise the pressure increases.
•
Adjust the gas pressure at the burner to the value according to the useful c.h. output wanted (Tab.
•
15.1).
Reassemble the service panel.
•
Close the gas valve outlet pressure test point 15 ( gure 15.5).
•
Reassemble the front pannel of the case.
•
Summary of Contents for Heat Only
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