Unit installation

6
Commissioning steps
Inspection steps
Maintenance steps Page
21. Checking the ignition electrodes and ionisation
electrode.......................................................................... 24
22. Closing the boiler door.................................................. 25
23. Cleaning the burner........................................................ 25
24. Fitting the burner............................................................ 26
25. Checking both gas train valves for tightness (for 115
to 311 kW)........................................................................ 27
26. Checking the filter element (if fitted) in the gas line and
replacing it if required
27. Checking all gas connections for tightness................ 27
28. Checking the gaskets/seals on the flue gas side........ 28
29. Implementing final tests................................................. 29
30. Checking the water quality............................................ 29
31. Checking the function of safety valves
32. Checking the diaphragm expansion vessel and
system pressure............................................................. 30
33. Checking the mixer for ease of operation and leaks... 31
34. Checking the thermal insulation for firm seating
35. Checking the ventilation air apertures in the
installation room (only for open flue operation)
36. Instructing the system user........................................... 31
37. Operating and service documents................................ 31
Commissioning, inspection, maintenance
Steps – commissioning, inspection and…
(cont.)
5692 907 GB