Okofen PE 08, Operating Manual

Page: 122 / 170

122 Negative Draft
113 3..114 4..9 9 N Ne eg ga attiiv ve e D Drra afftt
Activating the negative draft regulation is only possible when the negative draft
measuring is closed.
On negative draft regulation active
Off negative draft regulation inactive
If the negative draft in the combusion chamber falls under the
Set Value
, the speed
of the flue gas fan increases. Increases the negative draft, the speed of the flue gas
fan reduces again. Value = 0, the negative draft control is inactive. (Displayed only
with connected negative draft measuring)
If the negative pressure in the combustion chamber is below longer than the adjus-
ted error time, the system shows the malfunction „Flue gas fan“
If the negative draft Minimum in the combustion chamber is below longer than 1 mi-
nute, the system goes into Malfunction. Value = 0 the Negative Draft control is inac-
tive. (Displayed only with connected Negative Draft measuring)
If the negative draft Maximum in the combustion chamber longer than 1 minute is
exceeded, the system goes into Malfunction. (Displayed only with connected Nega-
tive Draft measuring)
The function Washing is only available at condensing boiler systems. If the in Wa-
shing adjusted Negative Draft falls below, the scrubber cleans the heat exchanger
of the condensing boiler. The washing occurs to the opposed washing duration and
the washing interval, though maximum 1x per hour.
P-contingent for the regulation of the combustion chamber (Displayed only with
activated negative draft control)
PE 567 EN 1.1