Automatic Sequences - hager HZI810 Mode D'emploi

oPeratIon

automatic sequences

manual mode / automatic mode
> Manual mode - Automatic mode permutation /
power supply reappearance
• As soon as man input desapears (if selected), the
automatic mode is active
• Voltagesandfrequenciesareverifiedtodefinenewstable
position of the changeover switch
>
New stable position of the changeover switch
Changeover Sources availability
switch initial
position
Priority source Priority source available, emergency source available or
unavailable
Priority source Priority source unavailable for MFt time period, emergency
source available or unavailable
Emergency
Emergency source available, priority source unavailable
source
Emergency Emergency source available, priority source available for
source MRt time period
Emergency
Emergency source not available, priority source available
source
Position 0 Priority source available, emergency source unavailable
Position 0 Priority source available, emergency source unavailable
Position 0 Priority source unavailable, emergency source available
Position 0 Priority source unavailable, emergency source unavailable
the switch transfers to new stable position as soon as
Automatic mode is active.
loss of prioritY source automatic sequence
this sequence is started as soon as the switch is in
automatic mode and in priority position (position I -
source ) :
• source is available
• transfer switch is in position I
• source is available or unavailable
>
Available source
Source being within programmed voltage and frequen-
cy settings, phases rotation being correct.
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• the same table can be taken into account after com-
plete power supply loss (the product must be com-
pletely discharged to reset = 3 minutes.)
refer to timer menus for MFt, Mrt or Dtt timers
definition.
New position
Priority source
Emergency source.
If emergency source
unavailable start emergency
source first and wait for
Dtt timer period before
transfer
Emergency source
Priority source
Priority source
vailable source to count
down MRt before transfer
to priority source
Priority source
Emergency source
o action (because no
supply). When supply
becomes available change
to priority source or
emergency source
>
Specific feature: remote transfer control
It is possible to transfer from main source to emergen-
cy source before Dtt finishes up and to allow transfer
with CtS option if selected on an unput. Dtt is auto-
matically 2 set up to its maximum value as soon as
CtS is selected.
oPeratIon
automatic sequences
>
Sequence description
Example:
position I = priority source ( )
position II = emergency source types Genset (
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