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Function
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Switching sequence of the valve in the alarm
mode
Trouble indication via a potential-free contact
12
®
At the BEKOMAT
33U / 33U CO, two LEDs indicate
the individual operating states.
When applying supply voltage, the
BEKOMAT
®
33U / 33U CO carries out a self-test.
Both LEDs are lit for approximately 1 second, subse-
quently, the device changes over to the "ready-to-op-
erate" state.
Ready to operate, voltage is applied.
In the event that the condensate discharge is dis-
turbed, an alarm mode will start which is indicated by
the flashing of the red alarm LED.
Malfunction/alarm.
Test of the valve function (manual drainage): press
and hold the button for approximately 2 s.
Test of the alarm function (see below): press and hold
the button for at least 1 min.
Do not use for permanent drainage.
Alarm mode:
In the event that the condensate discharge is dis-
turbed, the valve opens after a time cycle (approx.
every three seconds) to eliminate the malfunction au-
tomatically. If the malfunction is not eliminated after
one minute, a trouble indication is released:
•
The alarm LED flashes.
•
The alarm relay switches over (the signal can be
picked off potential-freely).
•
The valve opens every four minutes for 7.5 sec-
onds.
•
When the malfunction has been eliminated, the
BEKOMAT will switch back automatically into the
normal mode.
Possible trouble sources include:
•
Mistakes during installation.
•
Dropping below the minimum pressure.
•
Excessive accumulation of condensate (excess
load).
•
Blocked / obstructed outlet line.
•
Extreme amount of dirt particles.
•
Frozen pipework.
BEKOMAT® 33U / 33U CO
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