Lennox FLEXY II Series Installation, Operating And Maintenance page 55

HEATING : GAS BURNER 180 & 240kW
Low Heat Injection Pressure Checks
- Switch the control to Low Heat
- Check and adjust if necessary the Outlet pressure to 3.1
mbar (G20) or 3.9 mbar f or Groningen (G25) & 12.6 mbar
f or propane (G31) (f ig.22)
IOM – FLEXY II – 1007 – E
- Af ter the adjustment of the low heat, re-v erify the high
heat
- re-position the stoppers and close the pressure ports.
Pressure adjustments table for each ty pe of gas (mbar)
Category
G20
G25 (Groningue) 25.0 +/- 1.3 3.9 +/- 0.1
G31 (GPL)
Fig.22
Supply Low Heat
pressure Injection min.
20.0 +/- 1 3.1 +/- 0.1
37.0 +/- 1.9 12.6 +/- 0.3
High Heat
Injection
8+/- 0.2
10.4 +/- 0.2
28.3 +/- 0.6
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