Emerson 4000, 7000 appendix Time Delay Settings

Settings 2---4

Time Delay Settings

Unless otherwise specified on the order, the Controller time delay settings are set at the factory to the default values. If a setting must be changed, follow the procedure on the next page. Some settings may require a password (if controller is set up for one).

Any indiscriminate change in these settings may affect the normal operation of the Automatic Trans- fer Switch. This change could allow the load circuits to remain connected to an inadequate source.

Feature	Time Delay	Default Setting	Adjustment Range	Display Screen
			1 sec. increments	(see next page)
1C ③	override momentary	1 second	0 to 6 sec	TD NormFail
	Normal source outages		see CAUTION below
1F	override momentary	0	0 to 60 min 59 sec	TD EmrgFail
	Emergency source outages
2B	transfer to Emergency	0	0 to 60 min 59 sec	TD N>E
2E	unloaded running	5 minutes	0 to 60 min 59 sec	TD EngCool
	(engine cooldown)
	retransfer to Normal	30 minutes	0 to 60 min 59 sec	TD E>N if
	(if Normal fails)			Normal Fail
3A
	retransfer to Normal	30 seconds	0 to 9 hours	TD E>N if
	(if just a test)		59 min 59 sec	Test Mode
31F ④	Normal to Emergency	0	0 to 5 min 59 sec	TD N>E Xfer Signal
	pre–transfer signal			PreXfer
31M ④	Normal to Emergency	0	0 to 5 min 59 sec	TD N>E Xfer Signal
	post–transfer signal			PostXfer
31F, 31M	bypass 31F & 31M	no	yes or no	TD N>E Xfer Signal
	if Normal fails			BypassIfNFail
31G ④	Emergency to Normal	0	0 to 5 min 59 sec	TD E>N Xfer Signal
	pre–transfer signal			PreXfer
31N ④	Emergency to Normal	0	0 to 5 min 59 sec	TD E>N Xfer Signal
	post–transfer signal			PostXfer
31G, 31N	bypass 31G & 31N	no	yes or no	TD E>N Xfer Signal
	if Emergency fails			BypassIfEFail
	in sync	1.5 second	0 to 3.0 seconds	CTTS TD
4ACTS,			0.1 sec increments	SyncMonitorTD
7ACTS,	failure to synchronize	5 minutes	0 to 5 min 59 sec	CTTS TD
7ACTB				FailToSyncTD
only①
	extended parallel time	0.5 second	0.100 to 1.000 sec	CTTS TD
			0.01 sec increments	XtdParallelTD
4ADTS,				DTTS TD
7ADTS/B	delay transition time	0	0 to 5 min 59 sec
				LoadDisconnDelay
only②

①These time delays appear only on the display for a 4ACTS, 7ACTS, or 7ACTB closed–transition transfer switch.

② This time delay appears only on the display for a 4ADTS, 7ADTS, or 7ADTB delayed–transition transfer switch

③ Standard adjustment up to 6 seconds (total power outage). For additional time delay contact ASI. See CAUTION. ④ If output contacts required, contact ASI at 1–800–800–2726.

Do not set Feature 1C TD longer than 6 sec. unless an external 24 V dc power supply is included. Contact ASI if longer than 6 sec. is required.