Harman XXV - Low Draft Voltage Adjustment

Harman® • XXV Installation Manual_R31 • 2004 -___ • 11/1517 3-90-00684i
C. Venting & Use of Elbows continued
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No Change of Combustion
Blower Fan Blade Needed
0 Ft5 Ft 5 Ft
10,000
9,000
8,000
7,000
6,000
5,000
4,000
3,000
5 Ft
0 Ft
10 Ft
Combustion Blower Fan
Blade Changeover Line
Altitude
10 Ft
15 Ft
20 Ft
25 Ft
30 Ft
5 Ft
0 Ft
15 Ft
Equivalent Vent Length (EVL)
Maximum Horizontal Run
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• INSTALL VENT AT CLEARANCES SPECIFIED BY THE VENT MANUFACTURER
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