Weishaupt WG20 1-C Z-LN Series - Presetting Gas and Air Switches

Installation and operating instruction
Gas burner WG20…/1-C Z-LN
7 Commissioning
83054602 1/2020-01 La
41-96
Set diffuser
With dimension X = 0mm the indicating bolt is flush with nozzle assembly cover.
Turn screw 1, until dimension X equals the value determined.
1
X
Set air damper limit switch
Check and if necessary adjust position of limit switches ST0, ST1 and ZL.
Set air damper setting determined at limit switch ST2.
ST0ST2ST1MV2-Oel
ZL-Gas
ST0 0°
ST2
---
ST1 5°
ZL-Gas
5°
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