Alarm Parameters - Carel k.Air User Manual

12.2 Alarm
parameters
12.3 Generic
alarm input and
output contacts.
k.Air +030220981 rel. 1.1 – 31.03.2020
These involve the thresholds and delays after which the alarms are activated, for example:
Ac56 - frost protection: warning and alarm delay;
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Ac60 - low supply temperature: threshold, alarm delay at start-up and in steady operation;
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Ae03 - fan operating hours: alarm threshold, hours elapsed, reset hours;
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See the Parameter table for the complete list.
For greater installation flexibility, k.air features three generic alarm inputs and three signal outputs. These
contacts are always available, simply associate an activation channel using the I/O configuration menus
Wb03 and Wb04.
The following inputs are available:
Unit stop alarm, the unit is stopped immediately without completing the shutdown procedure
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Generic alarm, the unit is stopped after completing the shutdown procedure
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Signal input, no effect on control.
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The following outputs are available:
Global alarm, cumulative contact for all alarms and signals
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Serious alarm, cumulative contact of the alarms that stop the entire unit (with and without shutdown
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procedure)
Minor alarm, cumulative contact of alarms that do not stop the unit and signals, e.g. filter alarm,
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maintenance alarm, temperature not reached.
ENG
12. Alarms and signals | 247