Danfoss ECL Comfort 210 Operating Manual page 138

Operating Guide ECL Comfort 210/296/310, application A275/A375
MENU > Settings > Control parameters
Nz (neutral zone)
When the actual flow / duct temperature is within the neutral zone, the
controller does not activate the motorized control valve.
See Appendix "Parameter ID overview"
Set the acceptable flow /duct temperature deviation.
Set the neutral zone to a high value if you can accept a high
variation in flow temperature.
MENU > Settings > Control parameters
Min. act. time (min. activation time gear motor)
The min. pulse period of 20 ms (milliseconds ) for activation of the gear
motor.
See Appendix "Parameter ID overview"
138 | © Danfoss | 2017.09
1x187
The neutral zone is symmetrical around the desired flow / duct
temperature value, i.e. half the value is above and half the value is
below this temperature.
Setting example
2
1x189
10
50
The setting should be kept as high as acceptable to increase the
lifetime of the actuator (gear motor).
Value x 20 ms
40 ms
200 ms
1000 ms
VI.GU.L2.02