Caladair EVERSKY 500 Installation And Commissioning Manual page 60

Extract air
50 temperature A
sensor error
CO2 sensor
59 A
error
Output in
85 A
manual mode
Time for
86 C
service
Manual Y4
87 C
extra sequence
MS-CDF-019 – Manufacturing Nr: 220001→
EVERSKY
5s Stop
5s No stop
5s Stop
5s No stop
5s No stop
™
the alarm must be acknowledged.
The AI4 analogue input has detected an implausible
signal (open circuit or short circuit) for more than 5s.
The machine is stopped. To restart, the signal at the
AI4 analog input must return to a normal range and
the alarm must be acknowledged.
The UAI4 universal analogue input has detected an
implausible signal (open circuit or short circuit) for
more than 5s.
At least one DO output has been switched to manual
mode for more than 5s.
The machine is stopped when the alarm is present.
Outputs that have been switched to manual mode
must be switched back to automatic mode and the
alarm manually acknowledged in order to restart the
machine.
The maintenance visit alarm counter has exceeded the
programmed time (12 months).
The DO6 output that controls the fresh air preheat coil
has been switched to manual mode for more than 5s.
The machine is not stopped when the alarm is present,
the alarm disappears automatically when the output is
switched back to automatic mode.
Version B Update: 2022/06/14
(see XVII GENERAL WIRING DIAGRAM).
The SRG supply air temperature sensor and/or its cable
and/or its connection to the controller are defective (open
circuit or short circuit)
The SRG supply air temperature sensor is incorrectly wired
(see XVII GENERAL WIRING DIAGRAM).
The CO2 sensor is defective (shorted or open circuit).
CO2 sensor is incorrectly wired (see XVII GENERAL WIRING
DIAGRAM).
All functions must be in "Auto" mode in the Manual/Auto
menu.
See XX.9 Acknowledgment of the filter alarm.
All functions must be in "Auto" mode in the Manual/Auto
menu.
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