Weishaupt WG20-/1-C LN Series User Manual

Installation and operating instruction
Gas burner WG20…/1-C LN
7 Commissioning
83240802 1/2020-01 La
44-96
7.3 Set pressure switches
7.3.1 Set gas pressure switch
Set low gas pressure switch
The switch point must be checked and if necessary adjusted during commission-
ing.
Connect pressure measuring device to test point 1 of the gas pressure switch.
Start the burner.
Slowly close gas isolating valve until either:
the O2 content in the flue gas increases to above 7%,
the flame stability considerably worsens,
the CO content increases,
or the gas flow pressure drops to 50 %.
Determine gas pressure.
Slowly open gas isolating valve.
Set the pressure determined as switch point at the setting cam 2.
Check switch point
Restart the burner.
Slowly close gas isolating valve.
If the low gas program starts, the gas pressure switch has been set correctly.
If a lockout occurs or if the combustion reaches a critical condition, the low gas
pressure switch reacts too late.
If lockout occurs:
Increase switch point at setting cam 2.
Slowly open gas isolating valve.
Re-check switch point.
70
5
0
30
2
0
90
11
0
1
3
0
1
5
0
1
2
Set (optional) high gas pressure switch
Set high gas pressure switch to 1.3×PGas full load (flow pressure at full load).

Weishaupt WG20-/1-C LN Series Specifications

General

Brand	Weishaupt
Model	WG20-/1-C LN Series
Category	Indoor Fireplace
Language	English