IOM – FLEXY II – 1007 – E Page 61
PRESSURE ADJUSTMEN TS ON HONE YW ELL P RES SURE
REGULA TING VALVE VK4105MB AND ON ELECTRONIC BOARD
W4115D1024
Pressure regulator adjustment with 300mbars gas
supply:
- The Burner must run in High Heat mode for this check.
- Place the tube of the “accurate” manometer on the Inlet
pressure port (F i g u r e 2 5 ) of t h e G as R e g u l at i ng V a lv e af t er
hav ing loosened the screw by one turn
Check and adjust if necessary the valve Inlet pressure to
20.0mbar (G20) or 25.0mbar f or Groningen (G25) after
gas burner ignition (fig.26)
High & Low heat injection pressure check:
Electronic board W4115D1024
There is one board f or t wo valv es
Regulat ing valve VK4105MB
Electrical co nnec tions
: MODULATING GAS BURNER 60 & 120kW
call ed
« CURRENT »
position 3 for an
output intensity
varying until
330m A
OUTPUT
Act u at or 0/1 0V
of the 24V)
suppl y
measur ing port
Maxi mum Pressure
Fig. 25
Fig. 26
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