Weishaupt WG20-/1-C LN Series - Preset Gas and Air Pressure Switch

Installation and operating instruction
Gas burner WG20…/1-C LN
7 Commissioning
83240802 1/2020-01 La
41-96
Determine mixing pressure
Determine the mixing pressure required for the preset combustion heat rating
from the diagram and note down.
2
1
5.0
6.0
4.0
4.5
5.5
6.5
7. 0
8.0
7. 5
8.5
9.0
3.5
70
80
100
120
140
180
90
110
130
150
170
210
190
200
160
1 Combustion heat rating [kW]
2 Mixing pressure [mbar]
Guide values, which could vary depend. on comb. chamber resistance.
7.1.7 Preset gas and air pressure switch
The presetting of the pressure switches is only valid during commissioning. Once
commissioning has been completed the pressure switches must be set correctly
[ch.7.3].
Air pressure switch approx. 3.5 mbar
Low gas pressure switch/valve proving gas pressure
switch
12 mbar
High gas pressure switch (optional) approx. twice control pres-
sure