Viessmann 47-819-55, Installation And Service Instructions Manual

Page: 28 / 100

28
Commissioning steps
Inspection steps
Maintenance steps Page
•
1. Commissioning the system ............................................................................................... 29
• •
2. Filling the heating system ................................................................................................. 31
• • •
3. Checking all connections on the heating water and DHW sides for leaks ................... 32
•
4. Venting the heating system ............................................................................................... 32
•
5. Checking the gas type ....................................................................................................... 33
• • •
6. Removing the front panel .................................................................................................. 33
• • •
7. Checking the static pressure and supply pressure ........................................................ 34
•
8. Function sequence and possible faults ........................................................................... 36
•
9. Setting the maximum heating output ............................................................................... 37
• •
10. Performing an actuator test .............................................................................................. 37
•
11. Adjusting the integral circulation pump rate ................................................................... 37
•
12. Checking the balanced flue system for leaks (annular gap test) .................................. 39
•
13. Burner adjustment when connecting multiple flues to a shared flue system .............. 39
•
14. Removing the burner ......................................................................................................... 40
• •
15. Checking the burner gasket and burner gauze assembly .............................................. 41
• •
16. Checking and adjusting the ignition and ionisation electrodes .................................... 42
• •
17. Checking the back draught safety devices ...................................................................... 42
•
18. Cleaning the heating surfaces .......................................................................................... 43
• •
19. Checking the condensate drain and cleaning the trap ................................................... 43
• •
20. Installing the burner ........................................................................................................... 45
• •
21. Checking the neutralising system (if installed)
•
22. Checking the flow limiter (only for gas condensing combi boiler) ............................... 46
• • •
23. Checking the expansion vessel and system pressure ................................................... 47
• • •
24. Checking the safety valve function
• • •
25. Checking the electrical connections for firm seating ..................................................... 47
• • •
26. Checking all gas equipment for leaks at operating pressure ........................................ 47
• • •
27. Fitting the front panel ........................................................................................................ 48
• •
28. Checking the combustion quality ..................................................................................... 48
• • •
29. Checking the flue system for unrestricted flow and leaks
• • •
30. Checking the external LPG safety valve (if installed)
•
31. Matching the control unit to the heating system ............................................................ 50
•
32. Adjusting the heating curve .............................................................................................. 50
•
33. Instructing the system user .............................................................................................. 50
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
6179762