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5.3
Air cushions in the filter bowl
5.4
Use in flood-risk areas
6
Maintenance
FloCo-Top-1K / 223
Take appropriate measures in such an application to prevent
the maximum permissible pre-pressure of 0.7 bar to be
exceeded even in the case of error conditions (defective
pressure reducer etc.), e.g. by means of a bypass valve, a
pressure switch etc.
Place a collector below the burner hoses and the oil vent.
Depending on the filter insert and the vacuum pressure of the facility,
the air separated from the oil may be retained by the filter insert to a
major or minor degree.
An air cushion may form in front of the filter sieve. The air cushion is
visible in the filter bowl. The size of the air cushion depends on the
flow speed and the suction pressure in the filter, i.e. more air parti-
cles may be pulled through the sieve at a great throughput compared
to a slow flow speed (lower burner consumption). During operation of
the burner when a vacuum is generated, this causes the oil level to
decrease in the filter bowl outside of the filter sieve. The inside of the
filter sieve is completely filled with filtered oil so that malfunctions
cannot occur. The irregular pore structure of the sintered plastic filter
insert with a spatial effect assures excellent permeability of the air.
FloCo-Top-1 can be used in flood risk areas if a vent hose is used
(refer to chapter 8, page 13). The device continues to be operative
after a flood.
In the case of a flood, no fuel oil can escape if the device does not
have a vent hose. However, waste water may get into the device.
Therefore, devices without vent hoses must be replaced after a
flood.
Table 5: Maintenance intervals
When
If required.
After 20 years at
the latest.
– English –
Activity
Clean the plastic parts with soap suds, do
not use cleaning agents containing sol-
vents.
Replace the filter bowl.
Maintenance
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