5.11.19. ENABLE EXTENDED PARALLEL MODE (CTTS MODEL 4)
When the ATS is ordered with a Closed Transition soft-load option (i.e. ATS Model Code
Digit #13 “Operation Type” 4), the ATS can be operated in Extended Parallel mode.
NO (DISABLED): The transfer switch will be inhibited from operating in
Extended Parallel mode.
YES (ENABLED): The transfer switch will be permitted to operate in Extended
Parallel mode provided the Option is set for YES or designated programmable
input (i.e. default input IP05) is activated and both power sources are available
at time of desired operation. Note: the ATS will automatically revert to open
transition transfer mode should only 1 source of power be available at time of
transfer.
5.11.20. ENABLE SOFT-LOAD TRANSFER (CTTS MODEL 4)
When the ATS is ordered with a Closed Transition soft-load option (i.e. ATS Model Code
Digit #13 “Operation Type” 4), the ATS can be operated in Soft-Load mode.
NO (DISABLED): The transfer switch will be inhibited from operating in Soft-
Load mode and will operate in either Open transition or Closed Transition Fast
transfer modes.
YES (ENABLED): The transfer switch will be permitted to operate in Soft-Load
closed transition mode provided the Option is set for YES or designated
programmable input (i.e. default input IP14) is activated and both power sources
are available at time of desired operation. Note: the ATS will automatically revert
to open transition transfer mode should only 1 source of power be available at
time of transfer.
5.11.21. ENABLE START OF MULTIPLE GENS WHEN RESUMING
FROM STANDBY
When the ATS is ordered with a Dual Standby Generator (DSG) option, a control feature
is provided to selection if one or both generators are to start when signaled during a
utility power failure condition from the Master ATS.
NO (DISABLED): Only the “Preferred” selected Generator will be signaled to
start from the Master ATS during a utility power failure condition.
YES (ENABLED): Both “Preferred” and “Standby” generator sets will be signaled
to start from the Master ATS during a utility power failure condition.
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