54 | Inspection and maintenance
Greenstar combi 100 p / 151 p6720872361 (2017/04)
14.2 Maintenance and inspection checklist
▶ Use this form to guide you through the service and maintenance
procedure. Fill out each step according to the findings and work
performed.
Table 29 Maintenance and inspection checklist
Date
1 Latest fault code from service function 6.A.
2 Fresh water inlet filter (Combi boiler ZWB appliances only).
3 Visual inspection of the combustion air pipes and vent pipes.
4 Dynamic gas pressure (mbar)
5 Gas-air ratio at min./max. nominal output. min. %
max. %
6 Gas and water-side leak test.
7 Inspect electrodes.
8 Inspect heat exchanger block.
9 Check burner.
10 Inspect diaphragm in mixer unit.
11 Clean condensate trap.
12 With the system depressurized, check the expansion
vessel pre-charge pressure vs. the static head of the
heating system.
psi (bar)
13 Check the heating system filling pressure. psi (bar)
14 Inspect electrical wiring for damage.
15 Check settings of the heating control.
16 Check set service functions according to commissioning report.
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