Carrier AQUASNAP 30RA/RH Operation & Maintenance Instructions Manual

Carrier AQUASNAP 30RA/RH Operation & Maintenance Instructions Manual Manual pdf 29 page image

295 - PRO-DIALOG CONTROL OPERATION5.1 - Start/stop controlThe table below summarises the unit control type and stop orgo status with regard to the following parameters.- Operating type: this is selected using the start/stop buttonon the front of the user interface.- Remote start/stop contacts: these contacts are used whenthe unit is in remote operating type (rEM). See sections3.6.2 and 3.6.3.- CHIL_S_S: this network command relates to the chillerstart/stop when the unit is in CCN control (CCn). Vari-able forced to disable: the unit is halted. Variable forced toEnable: the unit runs in accordance with schedule 1.- Start/Stop schedule: occupied or unoccupied status of theunit as determined by the chiller start/stop program(Schedule #1). Used when the unit is equipped with anoptional CCN/clock board, otherwise the chiller occupiedmode is forced to occupied all the time.- Master control type. This parameter is used when theunit is the master unit in a two chiller lead/lag arrange-ment. The master control type determines whether the unitis to be controlled locally, remotely or through CCN (thisparameter is a Service configuration).- CCN emergency shutdown: if this CCN command isactivated, it shuts the unit down whatever the activeoperating type.- General alarm: the unit is totally stopped due to failure.ITEM #01 [1]2 [1]3 [1]4 [1]5 [1]6 [1]7 [1]FORMATMAintEnAnCE MEnuALErtnnn/ALErtnnn/ALErtnnn/ALErtDESCRIPTIONWhen selected this item authorises return tothe previous menu.Accessible with the Service password.For future useFor future useWater loop rate to lowNext primary pump maintenance operation innnn days. 'ALErt' is displayed, when the delaybefore maintenance has elapsed.Next secondary pump maintenance operationin nnn days. 'ALErt' is displayed, when thedelay before maintenance has elapsed.Next water filter maintenance operation in nnndays. 'ALErt' is displayed, when the delaybefore maintenance has elapsed.1 This item is masked when not used.ITEM #012345 [1]6 [1]7 [1]8 [1]FORMAT-nnnnnnnnnnnn | M 10 | M100nnnn | M 10nnnn | M 10 | M100nnnn | M 10 | M100UNITS---minutesminuteshrs/10 or 100hrs/10 or 100-/10 or 100-/10 or 100DESCRIPTIONWhen selected this itemauthorises return to theprevious menuCompressor starts forcompressor with most startsduring the last hour24 hours average number ofstarts/hour, compressorMinimum compressoroperating time during lasthour24 hours average minimumoperating time aboveBoiler operating hoursElectric heating stageoperating hoursNo. of defrost cycles, circuitANo. of defrost cycles, circuitB4.3.14.2 - Description of Runtimes 2 menu4.3.14.3 - Maintenance menu descriptionTo be active, the maintenance function must be preset in theService configuration