Danfoss VLT FC 100 Series Programming Guide

[0] *
Off The pump is active for staging/destaging.
[1] On The Pump Interlock command is given. If a pump is running it is immediately destaged. If the pump is not
running it is not allowed to stage on.
25-91 Manual Alternation
Option: Function:
[0] *
0 = Off - Number of
Pumps
This parameter is only active if the options At Command or At Staging or Command are selected in par. 25-50
Lead Pump Alternation .
The parameter manually controls what pump to be assigned as variable speed pump. The default value of Manual
Alternation is
Off [0]. If a value other than Off [0] is set, the alternation is carried out immediately and the pump
that is selected with Manual Alternation is the new variable speed pump. After the alternation has been carried
out, the Manual Alternation parameter is reset to
Off [0]. If the parameter is set to the number which equals
the actual variable speed pump, the parameter will be reset to [0] immediately after.
3. Parameter Description VLT
®
HVAC Drive Programming Guide
222 MG.11.C5.02 - VLT
®
is a registered Danfoss trademark
3

Danfoss VLT FC 100 Series Specifications

General

Brand	Danfoss
Model	VLT FC 100 Series
Category	DC Drives
Language	English