Danfoss ECL Comfort 310 Installation Manual

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Danfoss ECL Comfort 310 Installation Manual Manual pdf 138 page image

Installation Guide ECL Comfort 310, application A3767.5 ApplicationSend desired T 13500Circuit Setting range Factory setting3 OFF / ON ONWhen the controller acts as a slave controller in a master / slave system,informationaboutthedesiredflowtemperaturecanbesenttothemastercontroller via the ECL 485 bus.OFF: Information about the desired flow temperature is notsent to the master controller.ON: Information about the desired flow temperature is sentto the master controller.Inthemastercontroller,'Demandoffset'mustbesettoavalueinorderto react on a desired flow temperature from a slave controller.P exercise (pump exercise) 13022Circuit Setting range Factory setting3 OFF / ON ONExercisesthepumptoavoidblockinginperiodswithoutheatdemand.OFF: The pump exercise is not active.ON: The pump is switched ON for 1 minute every third day atnoon (12:14 hours).M exercise (valve exercise) 13023Circuit Setting range Factory setting3 OFF / ON OFFExercisesthevalvetoavoidblockinginperiodswithoutheatdemand.OFF: The valve exercise is not active.ON: The valve opens for 7 minutes and closes for 7 minutesevery third day at noon (12:00 hours).P frost T 13077Circuit Setting range Factory setting3 OFF / -10 ... 20 °C 2 °CWhentheoutdoortemperatureisbelowthesettemperaturein‘PfrostT’,thecontrollerautomaticallyswitchesONthecirculationpumptoprotectthe system.OFF: No frost protection.-10 ... 20: The circulation pump is ON when the outdoortemperature is below the set value.Under normal conditions, your system is not frost protected if yoursetting is below 0 °C or OFF.For water-based systems, a setting of 2 °C is recommended.138 DEN-SMT/DK VI.GU.B1.02 Danfoss District Energy