6 Alarms and monitoring
The system monitors itself. All the alarms are registered in the alarm list and displayed by TempTronic RC. Priority A alarms
are also displayed via the collective trouble indicator.
Alarm
Priority Cause
System reaction
Benefit
Gas burner
A
There is a burner malfunction.
The affected unit switches to operating
mode 'Off'.
prevents damage to the
burner
Fresh air
damper
A
The fresh air/recirculation air damper is
jammed or its actuator is defective.
The affected unit switches to operating
mode 'Off'.
Avoids loss of energy /
undefined states of
operation.
Filter
B
The pressure difference for filter monitoring
was exceeded for more than 5 minutes.
–
Informs the user of the
necessity of maintenance
work
Isolation
B
The isolation switch on the unit has been in
the 'Off' position for more than 30 minutes.
–
Avoids unintentional
switching off.
Supply air
sensor
B
The supply air sensor is defective.
The plant operates with the minimum heat
output until the fault is eliminated.
Avoids interruptions of
plant operation.
Fan
A
A fan motor has overheated.
The affected unit switches to operating
mode 'Off'.
Avoids damage to the fan
motor.
70
Control system
Alarms and monitoring
