AL175UL
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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:
Agency Listings:
s 5,,ISTEDFOR!CCESS#ONTROL3YSTEMS5,
#5,,ISTED#3!3TANDARD#
.O-3IGNAL%QUIPMENT
s #3&-#ALIFORNIA3TATE&IRE-ARSHAL!PPROVED
s -%!.9#$EPTOF"UILDINGS!PPROVED
s .&0!,IFE3AFETY
Input:
s )NPUT6!#(ZAMP
Output:
s 6$#OR6$#SELECTABLEOUTPUT
s #LASS2ATEDPOWERLIMITEDOUTPUTS
s AMPCONTINUOUSSUPPLYCURRENT 6$#OR6$#
Output
(cont’d.)
:
s !UXRELAYOUTPUTFORMh#vCONTACTS
s &ILTEREDANDELECTRONICALLYREGULATEDOUTPUT
Battery Backup:
s -AXIMUMCHARGECURRENTM!
s !UTOMATICSWITCHOVERTOSTANDBYBATTERYWHEN!#FAILS
Supervision:
s !#FAILSUPERVISIONFORMh#vCONTACTS
s !#INPUTAND$#OUTPUT,%$INDICATORS
s 3HORTCIRCUITANDTHERMALOVERLOADPROTECTION
s 5NITINCLUDESPOWERSUPPLYTRANSFORMERANDENCLOSURE
Enclosure Dimensions:
vXvXvMMXMMXMM
Power Supply Output Specifications:
Output
VDC
Switch Position
Max. Stand-by
Load DC
Max. Alarm
Load DC
Battery
(optional)
12VDC
37/PEN
1.75 amp
1.75 amp
12VDC
24VDC
37#LOSED
1.75 amp
1.75 amp
24VDC
Stand-by Specifications:
Output
4 hr. of Stand-by & 5 Minutes of Alarm
6$#!("ATTERY 3TANDBYAMP
6$#!("ATTERY !LARMAMP
Installation Instructions:
The AL175UL should be installed in accordance with article 760 of The National Electrical Code or NFPA 72 as well as
all applicable Local Codes.
See Terminal Identification Chart on page 3 for a description of each terminal function.
1. Mount the unit in the desired location. Mark and predrill holes in the wall to line up with the top two keyholes in the
enclosure. Install two upper fasteners and screws in the wall with the screw heads protruding. Place the enclosure’s
upper keyholes over the two upper screws, level and secure. Mark the position of the lower two holes. Remove the
enclosure. Drill the lower holes and install the two fasteners. Place the enclosure’s upper keyholes over the two upper
screws. Install the two lower screws and make sure to tighten all screws
(Enclosure Dimensions, pg. 3)
.
#ONNECT!#POWERTOTHEBLACKANDWHITEFLYINGLEADSOFTHETRANSFORMER3ECUREGREENWIRELEADTOEARTHGROUND
5SE!7'ORLARGERFORALLPOWERCONNECTIONS"ATTERY!#INPUT$#OUTPUTS 5SE!7'TO!7'FOR
power-limited circuits (trigger inputs, dry outputs).
Keep power-limited wiring separate from non power-limited wiring (115VAC / 60Hz Input, Battery Wires).
Minimum 0.25” spacing must be provided.
CAUTION: Do not touch exposed metal parts. Shut branch circuit power before installing or servicing equipment.
There are no user serviceable parts inside. Refer installation and servicing to qualified service personnel.
3ETTHE!,5,TOTHEDESIRED$#OUTPUTVOLTAGEBYSETTINGSWITCH37TOTHEAPPROPRIATEPOSITION
(
Power Supply Output Specification Table
).
4. Measure output voltage before connecting devices. This helps avoiding potential damage.
Altronix Corp.
140 58th St. Brooklyn, NY
