KYUNG-DONG NAVIEN KDB-200NHC, Руководство пользователя

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y If the light-receiving surface(sensing surface) gets
darkened with soot, the bad sensitivity cause the
wrong automatic operation.
y You can pull out the flame detector(black) which is
attached in the lower part of the burner.
y Wipe the glassy surface of the flame detector with a
scrap and fix it in its position.
y At least once a year, check for any loose joints in
the discharge(piping and flue), clogging in flue,
corrosion or leak. If any abnormality is found,
contact out sales agency for checking up.(blocking
pipes or holes, and so on)
Cleaning the flame detector
Checking the exhaust pipe