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BEKOMAT 21, 21 PRO4
Function • Funcionamiento
Fonctionnement • Funcionamento
Alarm signal via potential-free contact (only BEKOMAT 21 PRO)
Mensaje de alarma a través de contacto sin potencial (solamente BEKOMAT 21
PRO)
Signal d'alarme délivré sur le contact sans potentiel (uniqu. BEKOMAT 21 PRO)
Sinal de alarme via contacto isento de potência (só BEKOMAT 21 PRO)
Switching sequence of valve in alarm mode
Secuencia de apertura de la válvula en el modo de alarma.
Séquence d'activation de la vanne en mode Alarme
Sequência de ligação da válvula no modo de alarme
1 min 3 min 4 min 4 min
>>>><<
<<
> <
7,5 sec
BEKOMAT 21 PRO
BEKOMAT 21
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4
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The operating states of the BEKOMAT
21 are indicated by one LED with dif-
ferent flashing frequencies.
Ready for operation
Power on
Discharge procedure
Outlet line open
If the condensate discharge is not func-
tioning properly, the valve will keep
opening (about every 3 seconds) so as
to clear the fault automatically, if
possible.
Malfunction / Alarm
Test of valve function and
manual drainage: briefly press
button.
Additional feature of the BEKOMAT 21
PRO: press button for > 1 minute to
test the alarm function (s. below).
The condensate flows through the feed
line (1) into the BEKOMAT unit and
accumulates in the container (2). A
capacitive sensor (3) continuously re-
gisters the liquid level and passes a
signal to the electronic control as
soon as the container is filled. The
pilot valve (4) is then activated and the
diaphragm (5) opens the outlet line
(6) for discharging the condensate.
When the BEKOMAT unit has been
emptied, the outlet line is closed
again quickly and tightly without wa-
sting compressed air.
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2
3
4
The BEKOMAT 21 PRO also has an
alarm-mode function:
If normal conditions have not been re-
stored after 1 minute, a fault signal
will be triggered:
• Alarm LED flashes.
• Alarm signal switches over (can be
transmitted via potential-free con-
tact).
• Valve opens every 4 minutes for a
period of 7.5 seconds.
Once the fault is cleared, the
BEKOMAT 21 PRO will automatically
switch back to the normal mode of
operation.
Malfunctioning could be caused
by, e.g.:
• Mistakes during installation
• Dropping below the necessary mi-
nimum pressure
• Excessive condensate quantities
(over-loading)
• Blocked/shut off outlet line
• Extreme amount of dirt particles
• Frozen piping
english
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3
2
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2
3 4
Alarm
Valve
Power
TEST
TEST
Alarm
Valve
Power
TEST
Power
Alarm
Valve
TEST
Power
Alarm
Valve
TEST
Power
Alarm
Valve
TEST
Power
Alarm
Valve