S9240F1004 MODULATING HOT SURFACE IGNITION INTEGRATED FURNACE CONTROL
69-2088—01 18
Check Safety Shutoff Operation
1. Shut off the gas supply at the manual gas valve ahead
of the appliance.
2. Set the thermostat to call for heat. System should oper-
ate as indicated in Fig. 9 on page 19 or Fig. 12 on
page 22.
3. Following lockout, open the manual gas valve and make
sure no gas is flowing to the burner.
Operating Sequences
Figures 9 through 14 beginning on page 19 describe the
various operating cycles (Light Off, Heat, Run, Cool, and Fan)
of the S9240F1004 Integrated Furnace Control (IFC).
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