Installation and operating instruction
Gas burner WG40…/1-A ZM-LN
7 Commissioning
83300002 1/2019-02 La
44-128
Fourth test phase
In the fourth test phase, the joint to the mixing head
1
is tested for soundness. The
test phase can only be carried out during or after burner commissioning.
A leak detecting spray or electronic gas detector should be used for testing.
1
Use only leak detecting foam solutions, which do not cause corrosion, see DVGW-
TRGI, worksheet G 600.
Check all components, intersections and test points of the gas valve train
between multifunction assembly and burner.
Document result of the soundness test on the engineers report.
Test points
W-MF 5xx
DMV 525
DMV 5065 / DMV 5080
3
3
1
3
1
1
2
1
1
1
2
2
1
Pressure into valve 1
2
Pressure between valve 1 and valve 2
3
Pressure after valve 2
