ABB Zenith ZTS T Series, Operation, Maintenance, And Installation Manual

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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
Feature comparison ZTS(D/CT) controls (Touch screen)
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 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
Open transition - Standard digital inputs/outputs 2 / 1
Delayed transition - Standard digital inputs/
outputs 3 / 1
Programmable digital inputs/outputs Yes
Auto config (voltage, frequency, phase system) Yes
l
ON
ll
ON
AUTO
!
S1 S2
LOAD
l ll
l
ON
ll
ON
AUTO
!
S1 S2
LOAD
l ll
O
O
OFF