Installation Instructions

36 | Inspection and maintenance
SB625WS/SB745WS6 720 805 218 (2016/02)
8.5 Inspection and maintenance reports
The inspection and maintenance reports provide an overview of the
required inspection and service steps that should be carried out
annually.
Complete these reports after inspections and service. The report can
also be used as copying template.
▶ Sign and date the completed inspection work.
Warranty:
Annual inspection and service are part of the warranty
terms.
Inspection work Page (individual steps) Notes
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 heating surface for
contamination and clean them. For this, shut down the
heating system.
Chapter 8.3, page 33
5. Check gaskets/packing cords on combustion chamber door
and replace if required.
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 burner documentation.
7. Check the flue for function and safety. See flue manufacturer documentation.
8. Check the hydraulic seal of the condensate siphon and
replace if required.
9. Check the water pressure and pre-charge pressure of the
expansion vessel.
Chapter 8.4, page 34
10. Check the control unit settings are suitable and adjust if
required.
See technical control unit
documentation.
12. Test all safety equipment (safety shutdown) and record
findings.
For example:
▶ High limit safety cut-out
▶ Pressure limiter min.
▶ Pressure limiter max. (if installed)
▶ Other safety equipment.v
13. 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.
14. Check the neutralisation system.
15. Final check of the inspection work, take measurements and
record values and test results.
Table 17 Inspection report