TSC 800 TRANSFER SWITCH CONTROLLER
PM 049 REV 9 06/04/24 Thomson Technology
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ENABLED: The transfer switch will remain on the generator supply until
system operators manually initiate the re-transfer sequence. Press Lamp Test
to initiate the transfer sequence. NOTE: The transfer switch will automatically
re-transfer back to the utility supply if the generator supply fails.
7.5.16. UTILITY RETURN DELAY
The utility return delay period will be initiated once the utility supply has returned within
limits following a utility power failure condition. Select desired utility return delay time
in minutes. The range of settings is 0.0 to 50.0 minutes. If no delay is required, set
this time delay to zero. NOTE: The utility return delay will be bypassed should the
generator fail during the time delay period.
7.5.17. MAX SYNC TIME
The TSC 800 transfer control logic includes an adjustable time delay for maximum
synchronizing time for Closed Transition type automatic transfer Switches. If the
selected time expires before the transfer switch sources are synchronized, the
Transfer Fail logic will be initiated. Select desired time in minutes. The range of
settings is 1 to 10 minutes (displays in 1 second decrements when timer active). This
feature is only operative when the TSC 800 Closed Transition Input (TB2-12) is
activated.
7.5.18. MAX POWER SWITCHING DEVICE OPEN TIME
The TSC 800 transfer control logic includes an adjustable time delay for maximum
allowable time both source power-switching devices can remain closed (in parallel)
before opening on a Closed Transition type automatic transfer Switch (detects for a
“fail to separate” condition). If the selected time expires before the transfer switch
power-switching device opens (sources being separated from), the Transfer Fail logic
will be initiated. Select desired time in seconds. The range of settings is 1 to 999
seconds. This feature is only active when the TSC 800 Closed Transition Input (TB2-
12) is activated.
7.5.19. PROGRAMMABLE OUTPUT
The TSC 800 transfer controller includes a standard programmable output relay signal.
The output relay energizes when one of the following conditions occurs. NOTE: Only
one function may be programmed.
LOAD ON UTIL Output energizes when the utility transfer
power-switching device is closed and load
voltage is present.
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