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Navien KDB-353 STC User Manual

Navien KDB-353 STC
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How to use
16
How to exhaust
Be careful that the oil tank may not run out of
oil completely.
In that case, even though oil is supplied, air
may get in. As a result, ignition failure or
operation failure may occurs.
If the oil tank is below the oil lter or the air
ows out enough like the above, lock the
screw for exhaust and remove the air with the
exhaust valve.
In such case, open the exhaust valve turn the
power on to operate the boiler. After about
6-7seconds, the electronic pump exhaust the
air o with noise, and “MISFIRE” lamp on, the
boiler stops.
Untighten the screw for exhaust in the oil
lter by a screwdriver, the air goes out. When
oil ows out, please tighten it
(This is possible only in case that the oil tank is
above the oil lter)

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Navien KDB-353 STC Specifications

General IconGeneral
BrandNavien
ModelKDB-353 STC
CategoryBoiler
LanguageEnglish

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