Xfmr, Maintenance, Led diagnostics – Altronix AL175UL Installation Instructions User Manual
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5. Connect battery to terminals marked [+ BAT -] (battery leads included). Use two (2) 12VDC batteries connected
in series for 24VDC operation.
Note: For Access Control applications, batteries are optional. When batteries are not used a loss of AC will result in the
loss of output voltage. When the use of stand-by batteries are desired, they must be lead acid or gel type.
6. Connect appropriate signaling notification devices to AC Fail supervisory relay outputs marked [N.C., N.O., C].
Note: To meet UL requirements, AC Supervisory outputs must be connected to the zone of Alarm Control Panel 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).
Maintenance:
Unit should be tested at least once a year for the proper operation as follows:
Output Voltage Test: Under normal load conditions,
the DC output voltage should be checked for proper voltage level (see Power Supply Output Specifications Chart).
Battery Test: Under normal load conditions check that the battery is fully charged, check specified voltage both
at battery terminal and at the board terminals marked [- BAT +] to insure there is no break in the battery
connection wires.
Note: Maximum charging current under discharges is 400mA.
Note: Expected battery life is 5 years, however it is recommended changing batteries in 4 years or less if needed.
LED Diagnostics:
Red (DC)
Green (AC)
Power Supply Status
ON
ON
Normal function.
ON
OFF
Battery backup is powering output.
OFF
ON
No DC output.
OFF
OFF
Loss of AC. Discharged or missing stand-by battery. No DC output.
ALTRONIX CORP.
BROOKLYN, NY 11220
MADE IN U.S.A.
AL175ULB
SW1
VR1
+ BAT -
AC
AC
AUX ---
NC
NO
C
TRG1 TRG2
SW1 CLOSED - 24V
OPEN 12V
NC
C
NO
AC
F
AIL
XFMR
115VAC input
60 Hz,
.6 amp
Stand-by
Battery
(optional)
Constant output
(Not affected
by trigger)
Switched
DC output
(trigger control)
Green Lead
(ground)
Black
Lead
White
Lead
FACP
LOCK + STRIKE +
AUX +
COM --
AC
DC
2
Fig. 1