Dungs MPA22 Guide Rapide page 62

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Display in operating mode
Gas firing, pneumatic modulation
Operating position.
Shows position of the servo drive for air in degrees.
Operating position.
Increase output or go to minimum out-put point.
Operating position.
Reduce output.
Valve test, phase 1 (emptying).
The "Flame" symbol might also light up. If no post-purging time
has been set, the brackets G or brackets L/A symbols and the
Down arrow might also light.
Valve test, phase 2 (test time V1).
When the post-purging time expires, the brackets G or brackets
L/A symbols and the Down arrow might also light up while the
servo drive for air is moving to the standby position.
Valve test, phase 3.
When the post-purging time expires, the brackets G or brackets
L/A symbols and the Down arrow might also light up while the
servo drive for air is moving to the standby position.
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