Weishaupt WG20 Series - Capacity and Graph

16
3 Technical description
3
.4.4 Capacity
Firing rate
N
atural gas 119 ... 682 MBTU/H
Propane 119 ... 682 MBTU/H
Combustion head WG20-C
Capacity graph
The capacity graph is based on fuel with low calorific value and tested at sea level.
Capacity reduction should be applied depending on the altitude of the installation:
approx. 1% per 328 ft. (100 m) above sea level.
Capacity reduction might be required for burners with ducted air intake.
-0.25
0
0.25
0 100 200 300 400 500 600 700
2
1
0.5
0.75
1.0
1.25
1 Firing rate in MBTU/H
2 Combustion chamber backpressure in “w.c.
Installation and Operating Instructions
G
as burner WG20.../1-C ZM-LN (W-FM 25)
83055116 • 1/2016-05