Variable speed pump (lead) Fixed speed pumps
Hand On Ramps up (if stopped by a normal stop com-
mand) or stays in operation if already running
Destaging (if running)
Off Ramps down Cut out
Auto On Starts and stops according to commands via ter-
minals or serial bus
Staging/Destaging
VLT
®
AQUA Drive Design Guide 6 Application Examples
MG.20.N5.02 - VLT
®
is a registered Danfoss trademark
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