Danfoss VLT AQUA Drive FC 200 Programming Manual page 183

Parameter Description
25-86 Reset Relay Counters
Option: Function:
Resets all elements in 25-85 Relay ON Time
counters.
[0] Do not reset
[1] Do reset
3.22.6 25-9* Service
Parameters used in case of service on one or more of the
pumps controlled.
25-90 Pump Interlock
Option: Function:
In this parameter, it is possible to disable one or more
of the fixed-lead pumps. For example, the pump will
not be selected for staging on even if it is the next
pump in the operation sequence. It is not possible to
disable the lead pump with the pump Interlock
command.
The digital input interlocks are selected as Pump 1-3
Interlock [130–132] in parameter group 5-1*, Digital
Inputs.
[0] Off The pump is active for staging/de-staging.
[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
Range: Function:
0 [ 0 - par. Readout parameter for the actual variable-
*
25-06 ] speed pump in the system. The Lead Pump
parameter is updated to reflect the current
variable-speed pump in the system when an
alternation takes place. If no lead pump is
selected (Cascade Controller disabled or all
pumps interlocked) the display will show
NONE.
®
VLT AQUA Drive Programming Guide
®
MG20O622 - VLT is a registered Danfoss trademark
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