Bosch Uni Condens 8000 F, Installation And Maintenance Instructions Manual

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Appendix
43
Uni Condens 8000 F – 6720867056 (2016/10)
14.5 Inspection and maintenance reports
The inspection and maintenance protocols provide an overview of the
required inspections and service steps that must be carried out annually.
The records also serve as a master copy.
Warranty:
Annual inspection and maintenance are part of the warranty conditions.
▶ Complete reports when carrying out inspections and maintenance.
▶ Sign and date the completed work.
Table 21 Inspection record
Inspection work Page (individual steps) Remarks
1. Check the general condition of the heating system (visual inspection).
2. Check the heating system function.
3. Check the components in contact with fuel and water throughout the
system for the following:
• Tightness
• visible signs of corrosion
• Signs of ageing
4. Check the combustion chamber and heat emitter for contamination and
clean.
Shut down the heating system for this step. chapter 9.1, page 34
5. Check and, if required, replace gaskets and packing cords at:
• Burner door
• Inspection aperture of reversing chamber
• Inspection aperture of flue gas collector
chapter 10.3.4, page 36
Tighten screw connections at the reversing chamber and flue gas
collector to the specified torque and check tightness. chapter 10.3.5, page 36
6. Check and clean the burner.
▶ Visual inspection and remove any contamination.
▶ Check all safety equipment (safety shutdown).
▶ Function check
▶ Flue gas analysis with test report for each output stage.
See technical documentation for burner.
7. Check that the flue is functioning safely. See technical documentation for burner.
8. Check the hydraulic seal of the condensate siphon and supplement if
required.
9. Check the operating pressure and pre-charge pressure of the expansion
vessel. chapter 10.4, page 37
10. Check the control unit settings are suitable and adjust if required. See technical documentation for burner.
11. Test all safety equipment (safety shutdown) and record findings. For
example:
▶ High limit safety cut-out
▶ Pressure limiter min./pressure switch min.
▶ Pressure limiter max. (if installed)
▶ Low water indicator (if installed)
▶ Other safety equipment.
12. Conduct a water analysis and record the results in the operator's log:
▶ pH value
▶ Residual hardness
▶ Oxygen binder
▶ Phosphate
▶ Electrical conductivity
▶ Appearance
▶ Check water records (e.g. amount of top-up water) in the operator's
log.
13. Check the neutralising system.
14. Final check of the inspection work, take measurements and record
values and test results.
15. Confirm professional commissioning.
Company stamp/signature/date