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Inspection and maintenance | 31
6 720 812 900 (2014/10)Uni 3000 F
7.5 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 a template for future reproduction.
Sign and date the completed inspection work.
Warranty:
Annual inspection and service are part of the warranty
terms.
Inspection work
Page
(individual steps)
Date: _____ Date: _____ Date: _____
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.
Page 27 – page 28
5. Check gaskets/packing cord on the
burner door and replace if necessary.
Page 28
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 water pressure and pre-charge
pressure of the expansion vessel.
Page 30
9. If necessary, check that the DHW cylinder
and the magnesium anode are functioning
properly.
See technical
documentation for
DHW cylinder.
10. Check the control unit settings are
suitable.
See technical
documentation for
the control unit.
11. Test all safety equipment (safety
shutdown) and record findings. When
doing this, the technical documents for
the control unit and accessories should
be observed. For example:
High limit safety cut-out
Pressure limiter min.
Pressure limiter max. (if installed)
Table 20 Inspection report
31


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