ABB Zenith ZBTS T Series, Installation And Operating Instruction, Page: 23 / 112

23 3 4ZBT S _ 3 0 -1 2 0 0A rev. A / 1 S CC 3 0 3 0 4 3 M 0 2 01
1
Features Level 4 controls (TOUCH)
l
ON
ll
ON
AUTO
!
S1 S2
LOAD
l ll
O
O
OFF
Override momentary
Source 2 Outage, sec
0…60
Transfer from source 2
to source 1, min
0…120
Generator stop delay, min 0…60
Center-OFF delay, sec 0…300
Pre-transfer delay S1 to S2, sec 0…300
Post-transfer delay S1 to S2, sec 0…300
Pre-transfer delay S2 to S1, sec 0…300
Post-transfer delay S2 to S1, sec 0…300
Elevator Pre-signal delay
S1 to S2, sec 0…60
Elevator Post-signal delay
S1 to S2, sec 0…60
Elevator Pre-signal delay
S2 to S1, sec 0…60
Elevator Post-signal delay
S2 to S1, sec 0…60
Load shed delay, sec 0…60
Source failure detections
No voltage
Yes
Undervoltage Yes
Overvoltage Yes
Phase/ neutral missing Yes
Voltage unbalance Yes
Invalid frequency Yes
Incorrect phase sequence Yes
Features
Controls
Touch + keys
LED indications for ATS,
S1 and S2 status
Yes
Programmable digital inputs/outputs Yes
Auto config (voltage, frequency, phase system) Yes
Source priority Source 1/2, No priority
Manual retransfer Yes
In-phase monitor (synchro check) Yes
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