Lennox FCA 60 Installation, Operation And Maintenance Manual page 49

GAS BURNER
- Standard start-up chronology
- If incorrect sequence, refer to the fault table to identify the problem.
3.4 Pressure regulator adjustment (in case of 300 mbar)
- The burner must be run in high heat mode for this check.
- Fit the tube of the "accurate" manometer on the IN pressure port of
the HONEYWELL Block after having loosened the screw by two
turns
- Check and adjust if necessary the IN pressure to 20,0 mbar (G20) or
37,0 mbar for propane (G31).
3.5 High heat injection pressure checks
- Fit the tube of the "accurate"
Manometer to the OUT port on the
HONEYWELL valve after having
loosened the screw.
- Check and adjust if necessary the
OUT pressure to 8,4 mbar (G20) or
31,4 mbar for propane (G31).
3.6 Low heat injection pressure checks
- Carefully disconnect the wire numbered 116 for the bottom gas
burner and the wire numbered 126 for the tops gas burner.
- Check and adjust if necessary the OUT pressure to 3,5 mbar (G20)
or 14 mbar for propane (G31).
3.7 Reconnect the wires 116-126
Figure 47
Connector x14
Figure 50
IOM / ROOF-TOP FLEXY™ Series - Page 47
Figure 45
Figure 46
Figure 48
Figure 49
Figure 51