AL175UL - 1 -

AL175UL

Access Control Power Supply/Charger

Overview:

AL175UL is a power-limited power supply/charger that converts 115VAC / 60Hz input into two individually PTC pro-

tected 12VDC or 24VDC outputs (see specifications). It is intended for use in applications requiring UL Listing for Access

Control (UL294) and applications requiring an interface with the Fire Alarm Control Panels. It must be installed in accor-

dance with National and Local Electrical Codes and Regulations.

Specifications:

s .&0!,IFE3AFETY

Input:

s )NPUT6!#(ZAMP

Output:

s 6$#OR6$#SELECTABLEOUTPUT

s #LASS2ATEDPOWERLIMITEDOUTPUTS

s AMPCONTINUOUSSUPPLYCURRENT 6$#OR6$#

Battery Backup:

s -AXIMUMCHARGECURRENTM!

s !UTOMATICSWITCHOVERTOSTANDBYBATTERYWHEN!#FAILS

vXvXvMMXMMXMM

Output

VDC

Switch Position

Max. Stand-by

Load DC

Max. Alarm

Load DC

12VDC 37/PEN 1.75 amp 1.75 amp 12VDC

24VDC 37#LOSED 1.75 amp 1.75 amp 24VDC

Output 4 hr. of Stand-by & 5 Minutes of Alarm

6$#!("ATTERY 3TANDBYAMP

enclosure. Install two upper fasteners and screws in the wall with the screw heads protruding. Place the enclosure’s

upper keyholes over the two upper screws, level and secure. Mark the position of the lower two holes. Remove the

enclosure. Drill the lower holes and install the two fasteners. Place the enclosure’s upper keyholes over the two upper

screws. Install the two lower screws and make sure to tighten all screws (Enclosure Dimensions, pg. 3).

 #ONNECT!#POWERTOTHEBLACKANDWHITEFLYINGLEADSOFTHETRANSFORMER3ECUREGREENWIRELEADTOEARTHGROUND

 5SE!7'ORLARGERFORALLPOWERCONNECTIONS"ATTERY!#INPUT$#OUTPUTS5SE!7'TO!7'FOR

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Fig. 1

 #ONNECTBATTERYTOTHETERMINALSMARKED;"!4=BATTERYLEADSINCLUDED5SETWO6$#BATTERIESCONNECTED

in series for 24VDC operation.

Note:&OR!CCESS#ONTROLAPPLICATIONSBATTERIESAREOPTIONAL7HENBATTERIESARENOTUSEDALOSSOF!#WILLRESULTIN

 THELOSSOFOUTPUTVOLTAGE7HENTHEUSEOFSTANDBYBATTERIESAREDESIREDTHEYMUSTBELEADACIDORGELTYPE

 #ONNECTAPPROPRIATESIGNALINGNOTIFICATIONDEVICESTO!#&AILSUPERVISORYRELAYOUTPUTSMARKED;.#./#=

Note:4OMEET5,REQUIREMENTS!#3UPERVISORYOUTPUTSMUSTBECONNECTEDTOTHEZONEOF!LARM#ONTROL0ANELOR

to visual AC trouble indicator.

7. For Access Control Device & Fire Alarm Interface connections refer to desired Application Diagrams (pg. 4)

and (Terminal Identification Chart, pg. 3).

connection wires.

Note:-AXIMUMCHARGINGCURRENTUNDERDISCHARGESISM!

Note:%XPECTEDBATTERYLIFEISYEARSHOWEVERITISRECOMMENDEDCHANGINGBATTERIESINYEARSORLESSIFNEEDED

LED Diagnostics:

Red (DC) Green (AC) Power Supply Status

/. /. Normal function.

/. /&& "ATTERYBACKUPISPOWERINGOUTPUT

/&& /. No DC output.

/&& /&& Loss of AC. Discharged or missing stand-by battery. No DC output.

AL175UL - 3 -

used to power Mag Locks.

342)+%

0ROVIDES$#OUTPUTVOLTAGEWHEN;42'=AND;42'=AREUNSHORTEDANDARETYPICALLYUSEDTO

POWER%LECTRIC3TRIKES

.#./#

)SOLATEDDRYFORMh#vCONTACTS3HORTING;42'=AND;42'=TOGETHERCAUSESTHESECONTACTSTO

switch. They are typically used for controlling multiple AL175ULs with fire alarm tie-in

(Fig. 5 and Fig. 6, pg. 4).

AUX + #ONTINUOUSPOSITIVE$#POWEROUTPUTVOLTAGE)TISNOTAFFECTEDBY42'42'OPERATION

#/- Common negative (-) output (ground).

FACP 3PAREWIRINGTERMINALUSEDFORFIREALARMTIEINAPPLICATION(Fig. 4, pg. 4).

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