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O PER AT I O N , M A I N T EN A N C E , A N D I N S TA L L AT I O N G U I D E
Parameters
(continued)
*Default
Device Parameters (contuned)
Time Delays (continued)
Override S2 Failure
0...60 s
(2* s)
S1 priority: How long the device is keeping the
load on failed S2 although S1 is already
available.
S2 priority: How long the device is waiting S2
recovery before starting transfer sequence
to S1.
Transfer from
S2 to S1
0...120 min
(2* s)
S1 priority: How long the device waits before
transfer sequence back to available S1 begins.
This delay is overridden by 'Override S2
Failure' in case of S2 failure.
S2 priority: How long the device is keeping the
load on failed S2 although S1 is already
available.
Elevator Pre-transfer signal 1 / 2 / 3 / 4
Elevator Pre-signal S1-S2
Elevator Post-signal S1-S2
Elevator Pre-signal S2-S1
Elevator Post-signal S2-S1
0*...60 s
Enabled only when any digital output is
configured as 'Elevator pre-signal'.
Pre-transfer: How long the device is keeping
pre-signal activated before transferring from
S1 to S2 or from S2 to S1.
Post-transfer: How long the device is keeping
pre-signal activated after transferring from S1
to S2 or from S2 to S1.
Generator Stop
0...60 min
(5* min)
Enabled only when generator is in use.
Generator cooling time, how long the device
is keeping the generator running without
load after returning to priority source.
Load Shed
0*...60 s
Enabled only when any digital output is
configured as 'Load Shed'.
How long before the transfer from priority to
non-priority source the device activates load
shed signal.
Continued on the next page
Summary of Contents for Zenith ZTS T Series
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