Installation and operating instruction
Gas burner WG20…/1-C Z-LN
9 Servicing
83054602 1/2020-01 La
54-96
9.2 Service plan
Components Criteria / design lifespan
(1
Service procedure
Fan wheel Soiling Clean
Damage Replace
Air duct Soiling Clean
Air damper Soiling Clean
Air pressure switch Switch point Check
250 000 burner starts or 10years
(2
Replace
Ignition cable Damage Replace
Ignition electrode Soiling Clean
Damage/wear Replace
Combustion Manager 250 000 burner starts or 10years
(2
Replace
Ionisation cable Damage Replace
Ionisation electrode Soiling Clean
Damage/wear Replace
Recommendation: at least every 2 years
Flame tube/diffuser Soiling Clean
Damage Replace
Multifunction assembly
with valve testing system (valve
proving)
Fault identified Replace
Multifunction assembly
without valve testing system
(valve proving)
Function / soundness
less than DN 25:
200 000 burner starts or 10 years
(2
DN 25 to DN 65:
100 000 burner starts or 10 years
(2
Replace
Breather plug multifunction as-
sembly
Soiling Replace
Filter insert multifunction as-
sembly
Soiling Replace
Gas pressure regulator Setting pressure Check
Function / soundness Replace
15 years Replace
Gas pressure switch Switch point Check
50 000 burner starts or 10years
(2
Replace
(1
The specified design lifespan applies for typical use in heating, hot water and steam systems as well as for thermal
process systems to EN746.
(2
If a criterion is reached, carry out maintenance measures.