IOM – FLEXY II – 1007 – E Page 64
PRESSURE ADJUSTMEN TS ON HONE YW ELL P RES SURE
REGULA TING VALVE VR4605MB 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 (Figure 27) of t h e G a s R e g u l at i n g V a lv e af t e r
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.28)
High & Low heat injection pressure check:
Electronic board W4115D1024
There is one board per valv e
Regulat ing valv e VK4605MB
230 V po wer suppl y
call ed
« CURRENT »
position 3 for an
output intensity
varying until
330m A
of the 24V)
suppl y
measur ing port
Minimum Pressure
Maximum Pr essure
connections
: MODULATING GAS BURNER 180 & 240kW
Shaft
Fig. 27
Fig. 28
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