Critical Alarms; Non Critical Alarms - Dantherm DanX 1 XD User Manual

4. CONTROLS

4.5.2 Critical alarms

A critical alarm will either stop the total unit (heat pump and fans) or just the heat pump. The
unit can first be started up again when the alarm has been acknowledged. Critical alarms
are:
Alarm point
Heating_Coil
Fire_Alarm
Fan_Alarm
HP_LP_Alarm

4.5.3 Non Critical alarms

A non-critical alarm will not stop the unit, but it is a reminder to check the part (filter) which is
in alarm. Non critical alarms are:
Alarm point
Filter_Dirty
Description
Frost danger for LPHW coil, or OT for electrical heating coil
Fire thermostat on supply or return air side has switched off
Return or supply fan overload
HP/LP pressure compressor alarm (Only units with HP)
Description
Outdoor or exhaust air filter should be checked
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