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Heatilator • GB4336/GB4992 • 4003-085 Rev H • 04/06 29
B. Check Appliance Draft
Check draft of appliance to verify proper venting conditions.
• Close all windows and doors, turn on all exhaust fans in
home.
• Appliance is to be completely assembled to normal
operating condition.
• Turn on appliance and allow to operate for at least 10
minutes.
• Check draft as shown in Figure 13.1. This can be done
using a smoke or fl ame producing match.
• Hold lit match at bottom edge of draft hood opening and
observe fl ame/smoke per the fi gure.
Without
doors.
With doors
closed.
Flame up-Acceptable
Flame in-Good
Flame out-Bad
Flame up-Acceptable
Flame in-Good
Flame out-Bad
Figure 13.1 Checking Appliance Draft
C. High Limit Safety Switch
A high limit switch has been installed on this appliance. This
switch automatically turns off the appliance if it becomes too
hot. If this happens, do not attempt to operate the appliance
until it has been examined by a qualifi ed service technician.
For the high limit switch location, see Figures 13.2-13.4.
Figure 13.2 Remove the Hood
Figure 13.5 Resetting the Limit Switch
Figure 13.4 Limit Switch Location
Note to Qualifi ed Service Technician:
The intermittent pilot ignition version of the Geneva Series
requires that the limit switch be manually reset if it has shut
the appliance off. This is done by fi rst removing the hood to
expose the high limit switch. See Figure 28. Push the red
button in until you hear a click. The appliance should now
be operable. Replace the hood.