- 6 - FireSwitch108
Fig. 3
Terminal Identification Table:
Power Supply Board
Terminal Legend Function/Description
L,G,N
Connect120VACtotheseterminals:LtoHot,NtoNeutral.
EarthGroundshouldbeconnectedviagroundinglug.
+ DC – 24VDC non-power limited output.
AC FAIL (delayed)
NO, C, NC
Form“C”drycontactsindicatethelossofAC,withACpresentterminalsmarked[NOandC]
are open, [NC and C] are closed. When loss of AC occurs terminals marked [NO and C] are closed,
[NC and C] are open.
AC LOCAL
(instant)
NO, C, NC
Form“C”drycontactsusedtoinstantaneouslysignalthelossACtolocalannunciationdevices,
with AC present terminals marked [NO and C] are open, [NC and C] are closed. When loss of AC
occurs terminals marked [NO and C] are closed, [NC and C] are open.
BAT FAIL
NO, C, NC
Form“C”drycontactsindicatelowbatteryvoltageorlossofbatteryvoltage.Undernormal
conditions terminals marked [NO and C] are open, [NC and C] are closed. During a trouble
condition terminals marked [NO and C] are closed, and [NC and C] are open (Fig. 2, pg. 4).
– BAT +
Stand-bybatteryinput(leadsprovided).Maximumchargingvoltageis26.4VDC,
maximum charging current is 1.5 amp (Fig. 2, pg. 4).
*Power Supply Board Parameter Specifications:
NOTICE TO USERS, INSTALLERS, AUTHORITIES HAVING JURISDICTION, AND OTHER INVOLVED PARTIES
This product is field-configurable. In order for the product to comply with the requirements in the Standard for Control Units and
Accessories for Fire Alarm System (UL 864), set programming features as indicated below.
Program feature or option Permitted in UL 864? (Y/N) Possible Settings Settings Permitted in UL 864
AC Reporting Delay Yes 1.5 hours or 30 seconds 1 hour to 3 hours
AC Trouble Reporting
to host panel
Yes enable/disable enable
BAT Trouble Reporting
to host panel
Yes enable/disable enable
• TosetACDelayfor1.5hoursor30seconds-powertheunitdown
(AC supply and Battery) prior to changing switch position -
OpenSwitch“ACDelay”orclose“ACDelay”switch,respectively(Fig. 3, pg. 6).
• Factorysettingis1.5hours-fortestingpurposeschangeto30secsbyclosing
AC Delay switch temporarily.
• Lowbatteryconditionwillreportatapproximately20VDC.
• Batterypresencedetectionwillreportwithin100secondsafterbatteryremains
undetected(missingorremoved).Arestoredbatterywillreportwithin30seconds.
LED Diagnostics:
Power Supply Board
Red (DC) Green (AC) Power Supply Status
ON ON Normal operating condition.
ON OFF Loss of AC. Stand-by batteries supplying power.
OFF ON No DC output.
OFF OFF Loss of AC. Discharged or no stand-by battery. No DC output.
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