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TopLine HR 70/100 II • 6720813412 (2015/04)
Inspectie en onderhoud11
Verwijder de condensbak.
Afb. 75 Verwijderen condensbak
Reinig de condensbak.
Controleer de pakking tussen de condensbak en de warmtewisselaar
op beschadiging en vervang deze indien nodig.
Plaats de condensbak onder de warmtewisselaar.
Druk de condensbak naadloos tegen de wisselaar.
Sluit de snelsluitingen.
Plaats alle onderdelen in omgekeerde volgorde terug.
Neem het cv-toestel in bedrijf.
Controleer, tijdens bedrijf, de verschillende pakkingen aan de
condensbak op rookgas- en condenslekkage.
11.8 Meten dynamische gasvoordruk
Zie § 8.9 “Meten gasvoordruk”.
11.9 Meten gas-luchtverhouding
Neem het cv-toestel uit bedrijf.
Sluit de gaskraan.
Draai de branderdrukmeetnippel [1] 2 slagen open.
Afb. 76 Openen branderdrukmeetnippel op cv-toestel - type 70
Afb. 77 Openen branderdrukmeetnippel op cv-toestel - type 100
Sluit de manometer aan.
Stel de manometer op “0”.
Houd gedurende de meting de manometer op dezelfde hoogte.
Open de gaskraan.
Neem het cv-toestel in bedrijf.
Zorg dat het cv-toestel zijn warmte kwijt kan.
Start het servicebedrijf ( § 7.3).
Stel het cv-vermogen in op de minimale waarde (laaglast).
Meet de gas-luchtverhouding.
Dit drukverschil dient bij laaglast tussen de -10 en 0 Pa (-0,10 en
0,00 mbar) te liggen. Het nominale drukverschil is -5 Pa (-0,05 mbar).
Verwijder het afdekkapje van de instelschroef.
Stel de gas-luchtverhouding af op -5 Pa (-0,05 mbar).
Afb. 78 Afstellen gas-luchtverhouding op cv-toestel - type 100
[1] afdekkapje
[2] drukverschil is fout
[3] drukverschil is goed
6 720 807 034-46.1DDC
6 720 807 034-67.1DDC
1
6 720 807 034-066.1DDC
1
6 720 807 034-70.1DDC
-5 Pa
-10 Pa
0 Pa
5 Pa
-15 Pa
1
2
3
3
2
32


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