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1
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
Settings
(continued)
*Default
Standard I/O settings (continued)
O 01
Function No function
Output disabled.
Alarm / Product
availability*
Signals any active alarms or ATS being disabled
for automatic transfer operations.
Load Connected to S1
Switch in position I.
Load Disconnected
Switch in position O.
Load Connected to S2
Switch in position II.
Pre-transfer Signal 1
Signal is activated and transfer is delayed
according to pre-transfer delay. Signal is kept
activated according to post-transfer delay after
transfer.
Pre-transfer Signal 2
Signal is activated and transfer is delayed
according to pre-transfer delay. Signal is kept
activated according to post-transfer delay after
transfer.
Pre-transfer Signal 3
Signal is activated and transfer is delayed
according to pre-transfer delay. Signal is kept
activated according to post-transfer delay after
transfer.
Pre-transfer Signal 4
Signal is activated and transfer is delayed
according to pre-transfer delay. Signal is kept
activated according to post-transfer delay after
transfer.
Source 1 available
No anomalies in S1 voltage supply.
Source 2 available
No anomalies in S2 voltage supply.
Load Shed 1
Used for shedding non-essential loads before
transferring to non-priority source. Signal is
activated before transferring to non-priority
source according to load shed delay and kept
activated until load is transferred back to
priority source.
Continued on the next page
Summary of Contents for Zenith ZTS T Series
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