IC200CXEVO
usermanual
40
11.2Compressorsmanagementduringdomestichotwaterproduction
Theregulationtakesplaceonthesetpointfortheproductionofdomestichotwater(DHW)andwith
aproportionalbandthatcanbesetbyparameter(groupingofparametersFS);withthedomestichot
waterfunctionactive,theledofthedomestichotwatermodeandtheledoftheworking
mode(coolingorheating)aredisplayed.
CompressorregulatordiagraminDHWmode
• FS03 SetpointDHW,alsoaccessiblebykey,SetS
• FS04 DHWproportionalband
All’abbassarsidellatemperaturadell’acquasanitarial’accensionedeicompressoriavvieneinmodo
proporzionalerispettoalsetpointACS.Whenthedomestichotwatertemperaturedecreases,the
compressorsareswitchedonproportionallytotheDHWsetpoint.
Atthemomentinwhichthereisdemandfordomestichotwaterproduction,anFS09minutecounter
isactivewhichdeterminesthemaximumtimeforreachingthedomestichotwatersetpoint;afterthis
timeallthecompressorsareinserted(iftheywerenotalreadyinserted).
IncaseofanerrorofdomestichotwaterprobetheDHWfunctionisinhibited;theunitwillhowever
worknormallyincoolingorheating.
Ifduringtheproductionofdomestichotwaterthemainthermoregulation(mainexchangerinput
probe)goesintoerror,thereisnoblockageoftheunitbutthecoolingorheatingthermoregulation
willbedisabledandDHWwaterproductionwillremainactive.