PRESSURE SWITCH SETTINGS
AIR PRESSURE SWITCH
Stops the burner operation if the air feed for combustion is not enough. The
pressure adjustment must be made around 20% lower of the low fire air pressure
value. The CO emissions must be lower than 10000ppm in this setting condition.
Air Pressure Switch Type :
DUNGS GW10 A6
Setting interval : 2 - 10 mbar
GAS PRESSURE SWITCH
Gas pressure switch is a safety
device that that stops the burner in
case the gas pressure falls under
a certain value. The adjustment
value can be made as 3mbar or
as 20% lower of the gas line inlet
pressure corresponding to the min
capacity of the burner.
Gas Pressure Switch Types :
DUNGS GW50A6
Setting interval : 5 - 50 mbar
DUNGS GW150A5
Setting interval : 10 - 150 mbar
Connection must be
made to grey socket
for both switches.
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SETTING OF THE PRESSURE SWITCHES
Deassemble the cover using necessary tools as shown in Figure 1.
Figure 1
Make the setting to the defined value by rotating the scaled knob as shown in Figure 2. The pressure
switch opens at the falling pressure value. ▲ sign shows the setting value. Assemble the cover back
onto the pressure switch.
Figure 2
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