Danfoss VLT Programming Manual page 192

3 Parameter Description
[120] GPM
[121] gal/s
[122] gal/min
[123] gal/h
[124] CFM
[125] ft³/s
[126] ft³/min
3
[127] ft³/h
[130] lb/s
[131] lb/min
[132] lb/h
[140] ft/s
[141] ft/min
[145] ft
[160] °F
[170] psi
[171] lb/in²
[172] in WG
[173] ft WG
[174] in Hg
[180] HP
21-11 Ext. 1 Minimum Reference
Range:
0.000 Ex- [Application dependant]
tPID1Unit*
21-12 Ext. 1 Maximum Reference
Range:
100.000 Ex- [Application dependant]
tPID1Unit*
NB!
Always set the desired value for par. 21-12
20-9*CL-9#.
192
Function:
Select the minimum for the Closed Loop 1 Controller.
Function:
Select the maximum for the Closed Loop 1 Controller.
The dynamics of the PID controller will depend on the value set in this parameter. Please see also
Ext. 1 Proportional Gain
par. 21-21 .
Ext. 1 Maximum Reference
MG.11.C9.02 - VLT ® is a registered Danfoss trademark
®
VLT HVAC Drive Programming Guide
before setting the values for the PID controller in par.