English
40 SysAer
Alarm Activation condition Deactivation condition
Carel
alarm
Siemens
displayed alarm
Mix air temp.:
openLoop
Mix air T°:
openLoop
MAT sensor disconnected MAT sensor reconnected x x
Mix air temp.:
shortedLoop
Mix air T°:
shortedLoop
MAT sensor shorted MAT sensor replaced x x
Return air T.:
openLoop
Return air T°:
openLoop
RAT sensor disconnected RAT sensor reconnected x x
Return air T.:
shortedLoop
Return air T°:
shortedLoop
RAT sensor shorted RAT sensor replaced x x
Evaporating P.:
underRange
Evaporating P.:
underRange
FPER transducer disconnected or
out of service
FPER transducer reconnected or
replaced
x x
Condensing P.:
underRange
Condensing P.:
underRange
FPCR transducer disconnected or
out of service
FPCR transducer reconnected or
replaced
x x
Therm.flt.cpr Therm.flt.cpr FTCR circuit breaker cut off FTCR circuit breaker closed x x
HP switch HP secu. HP pressure switch activated
HP pressure switch deactivated
+ removed
x x
HPMax envelope HPMax envelop.
Cool mode and
Condensation P. > 40 bar
Condensation P. < 40 bar and
return air T° drop
x
Heat mode and
Condensation P. > 40 bar
Condensation P. < 40 bar and
mix air T° drop
x
HPMin envelope HPMin envelop.
Cool mode and
Condensation P. < 16 bar
Condensation P. > 16 bar and
return air T° increase
x
Heat mode and
Condensation P. < 16 bar
Condensation P. > 16 bar and
mix air T° increase
x
LOP envlp.cool LOP envl.cool
Cool mode and
Evaporation P. < 4 bar
Evaporation P. > 4 bar +
removed
x x
LOP envlp.heat LOP envl.heat
Heat mode and
Evaporation P. < 1.75 bar
Evaporation P. > 1.75 bar and
return air T° increase
x
LOP envl.h.lck LOP env.h.lck
Heat mode and
Evaporation P. < 1.5 bar
Evaporation P. > 1.5 bar +
removed
x x
MOP envelope MOP envelope
Cooling and
Evaporation P. < 14 bar
Evaporation P. < 14 bar and
mix air T° drop
x
Heating and
Evaporation P. < 14 bar
Evaporation P. < 14 bar and
return air T° drop
x
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