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6 Hand-over to the user
3
icon will blink when domestic water heating is active.
4 Measure the domestic hot water inlet temperature. (Cold water
drawn off from taps)
5 Check that domestic hot water temperature rise is around 34°C.
6
Hand-over to the user
After completing the installation and commissioning of the system
the installer should hand over to the householder.
▪ Hand the operation manual to the householder and inform them
about
his/her
responsibilities
regulations.
▪ Explain and demonstrate the lighting and shutting down
procedures.
▪ Explain the function and the use of the boiler heating and
domestic hot water controls.
▪ Explain and demonstrate the function of temperature controls,
radiator valves etc., for the economic use of the system.
▪ Explain the function of the boiler error mode. Emphasise that if an
error is indicated refer to "Error codes" in the operation manual.
▪ Inform the user about frost protection function and advise never to
cut off the electric supply to the boiler.
▪ Emphasise that a comprehensive service should be carried out
annually, especially before winter.
▪ Inform the householder of the guarantee and the requirement to
register it to receive the full benefit of the warranty.
Installation manual
28
under
the
relevant
national
D2CND028+035A1/4AB + D2TND028+035A4AB
Wall-mounted condensing boiler
3P469346-5N – 2019.11
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