Function
12
BEKOMAT® 33U / 33U CO
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.
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.
Switching sequence of the valve in the alarm
mode
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.
Trouble indication via a potential-free contact
