Alarms And Signals; Types Of Alarms - Carel k.Air User Manual

12. Alarms and signals

12.1 Types of
alarms
k.Air +030220981 rel. 1.1 – 31.03.2020
The k.Air controller manages three types of alarms, depending on the reset mode:
automatic: the alarm is reset and the unit restarts automatically when the alarm condition is no longer
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present;
semi- automatic: if the alarm occurs several times, reset becomes manual and an operator needs to
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physically restart the unit;
manual: an operator needs to physically restart the unit.
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When an alarm occurs:
pGDE: the Alarm button flashes and the display continues to show the standard view;
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th-Tune (if unit ON): the icons at the bottom of the display flash (see the Alarm table);
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pGDX: a red number is shown at the top right, next to the alarm icon, which indicates the number of
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active alarms.
The alarm relays are activated on the digital outputs.
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If the alarm is reset automatically, the Alarm button (pGDE)/icons on the display (th-Tune)/alarm signal
(pGDX) goes off, the alarm code is cleared from the list and the alarm reset event is recorded in the alarm
log.
Fig.12.a
1. On the pGDE terminal, press Alarm to view a brief description of the alarm
1. Press DOWN several times to display all of the active alarms
Fig.12.b
Fig.12.c
12. Alarms and signals | 245
ENG