ECL Comfort 210/310, A275/A375 Installation Guide - Danfoss ...

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Installation Guide ECL Comfort 210 / 310, application A275 / A375 P exercise (pump exercise) 11022 Circuit Setting range Factory setting 1 OFF / ON ON Exercises the pump to avoid blocking in periods without heat demand. OFF: The pump exercise is not active. ON: The pump is switched ON for 1 minute every third day at noon (12:14 hours). P frost T 11077 Circuit Setting range Factory setting 1 OFF / -10 ... 20 °C 2 °C When the outdoor temperature is below the set temperature in ‘P frost T’, the controller automatically switches ON the circulation pump to protect the system. OFF: No frost protection. -10 ... 20: The circulation pump is ON when the outdoor temperature is below the set value. P heat T (heat demand) 11078 Circuit Setting range Factory setting 1 5 ... 40 °C 20 °C When the desired flow temperature is above the set temperature in ‘P heat T’, the controller automatically switches ON the circulation pump. 5 ... 40: The circulation pump is switched ON when the desired flow temperature is above the set value. P post-run 11040 Circuit Setting range Factory setting 1 0 ... 99 m 3 m The circulation pump in the heating circuit can be ON for a number of minutes (m) after heating stop (the desired flow temperature gets lower than the setting in 'P heat T' (ID no. 11078)). This function can utilize the remaining heat in e.g. a heat exchanger. 0: The circulation pump stops immediately after the heating stop. 1 ... 99: The circulation pump is ON for the set time after the heating stop. Frost pr. T (frost protection temperature) 11093 Circuit Setting range Factory setting 1 5 ... 40 °C 10 °C Set the desired flow temperature for example at heating cut-out, total stop etc. to protect the system against frost. 5 ... 40: Desired frost protection temperature. Under normal conditions, your system is not frost protected if your setting is below 0 °C or OFF. For water-based systems, a setting of 2 °C is recommended. The valve is fully closed as long as the pump is not switched on. 120 DEN-SMT/DK VI.GU.L1.02 Danfoss District Energy
Installation Guide ECL Comfort 210 / 310, application A275 / A375 Ext. input (external override), ECL 210 11141 Circuit Setting range Factory setting 1 OFF / S1 ... S8 OFF Choose the input for 'Ext. input' (external override). By means of a switch the controller can be overridden to Comfort or Saving mode. OFF: No inputs have been selected for external override. S1 ... S8: Input selected for external override. If S1...S6 is chosen as override input, the override switch must have gold-plated contacts. If S7 or S8 is chosen as override input, the override switch can be a standard contact. See the drawing for a connection example of an override switch to input S8. Choose only an unused input for override. If an already used input is applied for override, the functionality of this input is also neglected. See also ‘Ext. mode’. Danfoss District Energy VI.GU.L1.02 DEN-SMT/DK 121
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ECL Comfort 210/310, A275/A375 Installation Guide - Danfoss ...

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