Page 82 - IOM / ROOFTOP BALTIC Series - 0704 - E
HEATING : MODULATING gas burner
Low Heat Injection Pressure Checks
- Switch the control to Low Heat
- Check and adjust if necessary the Outlet pressure to 1.5
mbar (G20) and 2.25 mbar for Groningue(G25) (figure 27).
- After the adjustment of the low heat, re-verify the high heat
- re-position the stoppers and close the pressure ports.
- After adjustment of the low heat, re-verify the high heat.
Valve electrical control
- Check these values with an Ohmmeter.
Fig. 27
Pressure adjustments table for each type of gas (mbar)
Category Supply Low Heat High Heat
pressure injection Injection
G20 20.0 +/-1 3.5 +/-0.03 8.4 +/-0.2
G25 (Groningue) 25.0 +/-1.3 5.0 +/-0.05 12.3 +/-0.2
G31 Non Available Non Available Non Available
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