Fondital PANAREA COMPACT - Pic. 12 - Gas Valve Adjustment SIEMENS VGU56; Pic. 13 - Gas Valve Adjustment SIT 845; Pic. 14 - Gas Valve Adjustment SIEMENS VGUS56

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D OUT
IN
A
C
B
SIT 845
D
OUT
IN
A
C
B
SIEMENS VGU56
Pic. 12 – Gas valve adjustment - SIEMENS VGU56
A
C
B
D
IN
OUT
SIEMENS VGUS56
B) Minimum heat output adjustment
- Disconnect electric wiring from D modulation coil (pic. 12, pic. 13 or pic. 14);
- turn the burner on and check minimum pressure value according to table no. 2;
- in order to adjust pressure, hold nut B still by means of a 100 mm tool, and turn plastic screw C CLOCKWISE to increase and COUNTER-
CLOCKWISE to decrease gas pressure;
- re-connect electric wiring to modulation coil.
C) Final settings
- Turn the boiler on and check its correct operation;
- check again for correct minimum and maximum gas valve pressure of gas valve;
- adjust as necessary;
- install protective plastic cap A;
- close gas pressure checks;
- check for gas leaks.
Pic. 13 – Gas valve adjustment - SIT 845
Pic. 14 – Gas valve adjustment - SIEMENS VGUS56