Danfoss ECL Comfort 210 Operating Manual page 101

Operating Guide ECL Comfort 210/296/310, application A232 / A332
MENU > Settings > Application
P frost T (circulation pump, frost protection temp.)
Frost protection, based on the outdoor temperature.
When the outdoor temperature gets below the set temperature value in 'P
frost T' , the controller automatically switches ON the circulation pump (for
example P1 or X3) to protect the system.
See Appendix "Parameter ID overview"
OFF:
No frost protection.
Value: Circulation pump is ON when the outdoor temperature
is below the set value.
MENU > Settings > Application
P heat T (heat demand)
When the desired flow temperature is above the set temperature in 'P heat T' ,
the controller automatically switches ON the circulation pump.
See Appendix "Parameter ID overview"
Value: The circulation pump is switched ON when the desired
flow temperature is above the set value.
MENU > Settings > Application
Frost pr. T (frost protection temp.)
Set the desired flow temperature at temperature sensor S3 to protect the
system against frost (at heating cut-out, total stop etc.).
When the temperature at S3 gets lower than the setting, the motorized
control valve opens gradually.
See Appendix "Parameter ID overview"
VI.JM.G2.02
1x077
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.
If the outdoor temperature sensor is not connected and the factory
setting has not been changed to 'OFF' , the circulation pump is always
ON.
1x078
The valve is fully closed as long as the pump is not switched on.
1x093
The frost protection temperature can also be set in your favorite
display when the mode selector is in frost protection mode.
© Danfoss | 2017.08 | 101