Danfoss ECL Comfort 210 Installation Manual page 137

Installation Guide
Nz (neutral zone)
Circuit
2
Set the acceptable flow temperature deviation.
Set the neutral zone to a high value if you can accept a high
variation in flow temperature. When the actual flow temperature
is within the neutral zone, the controller does not activate the
motorized control valve.
Min. act. time (min. activation time gear motor)
Circuit
2
The min. pulse period of 20 ms (milliseconds ) for activation of the gear
motor.
Danfoss District Energy
ECL Comfort 210 / 310, application A275 / A375
12187
Setting range Factory setting
1 ... 9 K 3 K
12189
Setting range Factory setting
2 ... 50
The neutral zone is symmetrical around the desired flow temperature
value, i.e. half the value is above and half the value is below this
temperature.
Setting example
2
10
10
50
The setting should be kept as high as acceptable to increase the
lifetime of the actuator (gear motor).
VI.GU.L1.02
Value x 20 ms
40 ms
200 ms
1000 ms
DEN-SMT/DK 137