Table 3.3 Altitude Adjustment By Changing Orifice (Natural Gas Only At 3.8" W.c. Manifold Pressure) - Osburn Designer DV36 Installation And Operation Instructions Manual

Table 3.3 - Altitude Adjustment by Changing Orifice
(Natural Gas Only At 3.8" W.C. Manifold Pressure)
Altitude
(Ft)
0-4500
4500-5500
5500-6500
6500-7500
7500-8500
8500-9500
9500-10500
10500-11500
Reduction Orifice Size
(%) (DMS No.)
-
4
8
12
16
20
24
28
Target Input
(Btu/h)
31 40,000
32 38,400
33 36,800
34 35,200
35 33,600
35 32,000
36 30,400
37 28,800
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