4. Using the adjusting screw A, set the percentage of O
2
for the gas type
being used to the nominal value. This should always be inside the
highest and lowest setting limit. The direction in which the adjusting
screw must be turned to increase or decrease the gas flow is
indicated on the gas valve unit.
Important
The 5- to 9-section boilers are supplied with a different gas valve
unit from the 10-section boiler. See drawing for the position of
adjusting screw A for full load.
5. Check the flame through the inspection window.
Important
The flame must not blow off.
Performing the low load test (IniControl)
1. Press the key several times until appears on the display.
The boiler is now set to low load.
Performing the low load test (DIEMATIC iSystem)
1. From the start page, press the key.
The EMISSION MESURMENTS menu appears on the display.
2. Turn the rotary button until PMIN is displayed.
Fig.57
Adjusting screw A
Fig.58 Setting to low load
Fig.59
MW-C002271-02
STD
(
'
t
p
b
AUTO
x
c
r
j
M
g
m
7 Commissioning
52 7600532 - v.11 - 13122018
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