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afriso FloCo-Top-1K Manual De Instrucciones página 50

Purgador de aire automático para combustible con filtro integrado
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  • MEXICANO, página 107
Problem
Burner switches off at
irregular intervals due to
malfunctions
Oil cannot be sucked in
or steady flow keeps
being interrupted
Other malfunctions
Troubleshooting
Possible reason
Air accumulations in the
suction line because
pipe cross section is too
great. When the anti-
siphon valve opens after
the pre-aeration time of
the burner, a greater
bubble may pass
through which causes
the burner to switch off.
Small leaks at the screw
connections between
the withdrawal fitting at
the tank and the burner
allow air to get into the
suction line. This is also
the case during idle
times until the vacuum
no longer exists. This
generates an air cush-
ion in the suction line
Burner pump does not
generate a sufficient
vacuum
-
Repair
Properly rate the suction
line (see chapter "Deter-
mining the suction line
length")
Use cylindrical screwed
pipe connections at the
housing and seal them
with flat copper gaskets
(air-tight).
Use a stiffener in the
case of soft or semi-soft
copper pipes
Check all sealing sur-
faces for damage
Close the shut-off valve
at the withdrawal fitting
and perform a vacuum
test (at least 0.6 bar) at
the flow connection of
the oil vent
Perform a suction test at
the pump. The pump
must generate a vac-
uum of at least -0.4 bar
Contact the AFRISO
service hotline
FloCo-Top-1K
EN
23

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