30
Heatilator • Novus BV-Mesh • 4031-553 Rev F • 11/07
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
Содержание NB3630M
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