Carrier 50FF Series Control Manual

Also see for 50FC Series: Installation, operation and maintenance instructions Controls, Start-Up, Operation and Troubleshooting User manual Service and maintenance instructions Installation, operation and maintenance instructions

Contents

Carrier 50FF Series Control Manual Manual pdf 38 page image

38Controlled alarms ShutdownunitShutdownaffected circ.Type ofresetTiming Actuation GraphicterminalUserterminalAddr.Thermal protection of compressors andoutdoor fan(s) of circuit 1 or recovery circuit No Yes Auto (*) No Shutdown of circuit 1 AL01 AL1 27Thermal protection of compressors andoutdoor fan(s) of circuit 2 No Yes Auto (*) No Shutdown of circuit 2 AL02 AL2 28High pressure of circuit 1 or recovery circuit No Yes Auto (*) No Shutdown of circuit 1 AL05 AL5 29High pressure of circuit 2 No Yes Auto (*) No Shutdown of circuit 2 AL06 AL6 30Maintenance of the recovery compressor No No Manual No Only indication AL08 AL8 119Anti-freeze alarm of hot water coilYes (inCOOLINGmode)Yes (inCOOLINGmode)Manual Yes(2 s)HEATING mode: this closesoutdoor air damper and openshot water coil valveCOOLING mode: this stopscompressors and closes outdoordamperAL09 AL9 31High indoor temperature No No Manual Yes(progr.) Only indication AL10 AL10 34Low indoor temperature No No Manual Yes(progr.) Only indication AL11 AL11 35Low pressure of circuit 1 No Yes Auto (*) No Shutdown of circuit 1 AL12 AL12 38Low pressure of circuit 2 No Yes Auto (*) No Shutdown of circuit 2 AL13 AL13 39Low pressure due to continuous defrostingby min. pressure of circ.1 No Yes Auto (*) No Shutdown of circuit 1 AL12b AL1202 225Low pressure due to continuous defrostingby min. pressure of circ.2 No Yes Auto (*) No Shutdown of circuit 2 AL12c AL1203 226Maintenance of compressor 1 - circuit 1 No No Manual No Only indication AL16 AL16 36Maintenance of compressor 1 - circuit 2 No No Manual No Only indication AL17 AL17 37Maintenance of compressor 2 - circuit 1 No No Manual No Only indication AL18 AL18 122Maintenance of compressor 2 - circuit 2 No No Manual No Only indication AL19 AL19 123Thermal protection of indoor fan Yes Yes Manual 0 s Serious alarm, unit shutdown AL20 AL20 40Failure of high pressure transducer ofcircuit 1 No Yes Auto No Shutdown of circuit 1 AL21 AL21 41Failure of high pressure transducer ofcircuit 2 No Yes Auto No Shutdown of circuit 2 AL22 AL22 42Failure of low pressure transducer ofcircuit 1 No Yes Auto No Shutdown of circuit 1 AL21b AL2102 212Failure of low pressure transducer ofcircuit 2 No Yes Auto No Shutdown of circuit 2 AL21c AL2103 213Failure of suction temperature probe ofcircuit 1 or recovery circuit No No Auto No Only indication AL21d AL2104Failure of suction temperature probe ofcircuit 2 No No Auto No Only indication AL22d AL2204Clogged filters No No Manual Yes(5 s)Only indication or unit shutdown(configurable by parameter) AL23 AL23 43Thermistor of electrical heaters No No Auto (*) No Shutdown of heater AL24 AL24 48Gas burner or boiler No No Manual No Only indication(safety into the burner/boiler) AL24 AL24 48Failure Eprom memory No No Manual No Serious alarm, but only indication AL26 AL26 32Clock No No Manual No Only indication AL27 AL27 33Unit maintenance No No Manual No Only indication AL28 AL28 108Return temperature probe Yes Yes Manual No Serious alarm, unit shutdown AL29 AL29 109Failure of ambient humidity probe No.1 No No Manual No Only indication AL30a AL3001 165RS485 probe No.1 without communication No No Auto No Only indication AL30b AL3002 163Failure of ambient temperature probe No.1 No No Manual No Only indication AL30c AL3003 164Failure of ambient humidity probe No.2 No No Manual No Only indication AL30d AL3004 177RS485 probe No.2 without communication No No Auto No Only indication AL30e AL3005 175Failure of ambient temperature probe No.2 No No Manual No Only indication AL30f AL3006 176Failure of ambient humidity probe No.3 No No Manual No Only indication AL30g AL3007RS485 probe No.3 without communication No No Auto No Only indication AL30h AL3008Failure of ambient temperature probe No.3 No No Manual No Only indication AL30i AL3009Failure of ambient humidity probe No.4 No No Manual No Only indication AL30j AL3010RS485 probe No.4 without communication No No Auto No Only indication AL30k AL301115.2. Alarm list15 - ALARMS(*) If a certain number of alarms take place over a period of time, this reset can be changed to “Manual” (configurable by parameters).