Page 1
Tel 1.800.MAGLOCK info@securitron.com
Recommended Tools & Additional Materials
#2 Phillips Screw Driver
Wire connectors
Lead Acid or Gel Cell Batteries*
1/16” Flat head Screw Driver
6-32x1/4 Mounting Screws ( QTY 4)
Mechanical
Electrical
Environmental
Regulatory
Physical Size:
Board: 3.73”x 4.84” x 2”
Mounting: 3.41” x 4.5”
Weight*
AQD5B
2.4 lbs
Input Voltage Operating Range
110-240VAC
47-63Hz
Maximum Output Voltage
36 VA
3 Amps @ 12VDC (±10%)
1.5 Amps @ 24VDC (±10%)
Continuous Output Voltage:
33.6VA
2.8 Amps @ 12VDC ((±10%)
1.4 Amps @ 24VDC (±10%)
Voltage Range:
9.8 -13.7 VDC/ 13.65 typical
20.0-27.5 VDC/ 27.3 typical
Frequency
66KHz
Operating
Temperature
0ºF to 130ºF
[-17 to 54ºC]
Humidity
10% to 95% RH
For Indoor use
UL294 Listed
UL603 Listed
cUL Listed
RoHS Compliant
1.800.624.5625 www.securitron.com
AccuPower AQD3B
Installation Instructions
*See Battery sizing guide on page 6.
AccuPower AQD5B Power Supply/Battery Charger Specifications
© Copyright, 2013, all rights reserved Page 1 P/N 500-30000
Rev. A, 04/13
Page 2
Overview of AQD3B Series Module
The Securitron AccuPower AQD3 offers clean, steady and accurate power output for peak performance of access
control equipment plus flexibility unmatched by any power supply/battery charger on the market today.
Universal AC input with brownout tolerance to 60VAC
Tolerates and protects against input voltage fluctuations.
External LED AC power indicator
Form “ C“ contact for AC power fail notification
Dedicated voltage for battery charging even under full load
Low battery disconnect prevents deep discharge of batteries
PTC protection for Thermal Runaway and Current Overload Short Circuit and Reverse Battery protection—
will auto restart without removing load.
AQD3B and AQD3 provide a single Class 2 power limited output. The output can be divided into additional channels
using any of the optional power distribution boards: PDB4, PDB8, PDB-8F8R, PDB-8C8R, PDB-8C1R or PDB-1R.
Applications
The AQD3 Series can be used with electrified access control equipment in conjunction with access control systems
and fire/burglary systems including most electrified locking hardware and latches, card readers, keypads, electric
strikes, REX and motion detectors and more.
Pre-Installation Survey
Before installing the AQD3 Series, the mounting location should be determined and assessed for the following:
Availability of AC power service
Protection from vandalism and tampering
Sufficient clearance for air circulation and heat dispersal
CAUTION: Check with your local code inspectors to ensure your compliance with the National Electrical
Code (ANSI/NFPA 70), (Canadian Electrical Code for Canada) or equivalent and any additional licensing
and wiring requirements for your jurisdiction.
Rev. A, 04/13
Page 2 P/N 500-30000
Page 3
A. Installing the Power Module
1.
Select mounting location so that AC input conduit can be aligned to maintain separation with DC power
outputs.
Ensure unit is mounted with sufficient airflow to prevent heat buildup.
IMPORTANT: AC Power input is not power limited. AC lines must be enclosed in approved
conduit. AC Input lines must be separated by at least ¼” from Class 2 power limited output
wires.
Mark board mounting hole locations and drill. Install four 6-32 x1/4 mounting screws appropriate for the
mounting location, leaving enough hardware exposed to install standoffs. Install standoffs. Place star
washer on any one of the three standoff locations corresponding to a mounting location on the board that
has a metal ring.
Affix board to standoffs with provided metal screws.
IMPORTANT: User is responsible for observing all electrical and code requirement when
installing in self-provided enclosure or mounting location.
B. Make Electrical Connections
1.
Component Locations
Page 3 P/N 500-30000
Rev. A, 04/13
Page 4
2.
Understanding the Power Module
Component
Label
Component
Name
Function
Fuse 250V
AC Input Fuse
GMA-2 5mmx20mm 2A/250VAC fuse protects power module
from AC line power spikes.
CAUTION: Disconnect battery and AC input power before
replacing fuse. Use approved fuse size only.
LNG
AC –In
Terminal Block
A 3-wire terminal block for AC power input.
Handles 110-240 VAC. Accepts wire gauge 12AWG to 24AWG.
L= Line (+) N=Neutral G=Ground
AC LED
AC Power
Indicator
Green LED indicator is lit when AC power from AC circuit or
battery is ON. Indicator may be on board or on exterior of
enclosure.
AC FAIL
AC Status Relay
A 3-wire terminal block providing a SPDT-Form C contact that
changes state when the AC power is interrupted. Provides
2amp@24VDC output for triggering alert notification
NO = Normally Open C = Common NC = Normally Close
The switch is NO/C open when energized, C/NC closed when
energized. During power loss, the switch changes state with NO/C
closed and C/NC open.
-DC OUT+
DC-Out
Terminal Block
A 2-wire terminal block for DC output voltage to devices, power
distribution or accessory board. DC output is Class 2 power
limited and accepts 10AWG to 24AWG wire.
-BAT+
Battery Backup
Plug
A 2-pin plug for connecting battery cables for uninterruptable
battery backup.
J1
Jumper 1
12/24VDC Output
Voltage Selector
A 4-pin jumper for output voltage selection.
Default setting is 12VDC = jumper on Pin 1 & 2 and jumper on Pin
3 & 4.
For 24VDC = jumper on Pin 2 & 3, jumper on Pin 4.
DC LED
DC Output Power
Indicator
Red LED indicator is lit when DC power is ON.
+LTW
Battery Limited
Time Warning
2 position header providing an open collector output from the
negative position to annunciate low battery. Default position is
Normally Open. Circuit closes to trigger a signal when battery falls
to 95% depleted. Terminal accepts 22-30AWG wire.
3.
Select Output Voltage
Determine voltage of devices that will be powered by the power supply unit. The
AQD3 provides 2.8 amps continuous output at 12VDC or 1.4 amps @ 24 VDC.
The unit is factory set for 12 VDC.
To select 24 VDC, remove jumpers from both sets of pins. Reinstall one jumper
onto Pins 2&3.
CAUTION: CHANGE OUTPUT VOLTAGE SETTING ONLY WHEN AC
POWER, BATTERY AND OUTPUT LOAD ARE DISCONNECTED. Ensure
that the battery voltage matches the power supply output voltage
before connecting batteries.
J1
12V
J1
24V
Rev. A, 04/13
Page 4 P/N 500-30000
Page 5
4.
Make AC Power Input Connections
IMPORTANT: VERIFY AC POWER IS OFF
BEFORE MAKING CONNECTIONS
The AQD3 has a universal transformer that
accommodates 90-240 VAC input.
Connect AC power wires as indicated
Connect AC power wires as follows:
Black/Positive = L
White/Negative = N
Green/Ground= G
5.
Make DC Power Output Connections to Distribution or Accessory Boards
Using 18 to 24AWG wire, connect the DC OUT Positive (+) terminal to the positive (+) IN terminal on the
distribution board.
Connect the DC OUT Negative (-) terminal to the Negative/Common/C (-) IN terminal on the distribution
board.
It is recommended to pass the wires under the power module board before connecting to the accessory
board in order to maintain separation from battery cables.
6.
Make DC Power Output Connections to Devices
Route wires through knock-out opening created in step A3.
Maintain separation from battery cable placement by passing
wires under power module before connecting to terminal screws.
Connect the Positive wire to DC OUT Positive (+) terminal
Connect the Negative wire to DC OUT Negative (-) terminal
Note: Use appropriate wire gauge for the Amperage and
distance of the run.
For more info, see Wire Loss Calculator at
http://www.securitypower.com/AN2Wire.html
7.
Turn on AC Power
After making electric connections, turn on AC power before installing batteries. The AC LED power indicator
should be lit.
Negative
Positive
Rev. A, 04/13
Page 5 P/N 500-30000
Page 6
C.
Install Batteries
1.
Understanding Battery Charging and Backup Power
The AQD3B is a backup battery charger with automatic fail over to battery power in case of primary AC
power failure when batteries are installed and connected to the power module. The use of battery backup is
optional - the unit will function without batteries installed, but no internal backup power will be available in
case of AC power failure.
Note: The battery circuit features automatic disconnect when the battery output falls to 9.8 VDC/19.6 VDC
to prevent deep discharge and also protects the power module in case the battery is connection is reversed.
IMPORTANT: Battery configuration must match the DC output voltage setting.
For battery backup in 12VDC operation, a single 12V battery may be used, or two (2) 12V batteries may be
used wired in parallel for longer run time.
For battery backup in 24VDC operation, two 12V batteries wired in series must be used.
Backup power run time depends on the continuous output needed to support the load and the ambient
temperature at the enclosure. Estimates are provided in the table below:
Total Current
Draw of Load
Desired Battery Run Time with 5 min Alarm
1HR
4HR
12HR
1A
2AH
5AH
12AH
1.4A
3AH
8AH
20AH
2A
5AH
10AH
26AH
2.8A
5AH
12AH
40AH
Larger batteries may be used external to the enclosure by running the battery cable through a dedicated
knockout separate from the AC input and DC output.
Battery charge current is not less than 250mA @12VDC at peak load.
2.
Connecting the Battery
Plug battery cable assembly into battery backup plug - BAT+.
IMPORTANT: DO NOT REMOVE CLEAR TUBING FROM BATTERY CABLE. THIS IS REQUIRED TO
PROVIDE REQUIRED SEPARATION FROM CLASS 2 POWER LIMITED WIRING.
Install batteries. Mark batteries with “Installed” date and “Replace By” date according to manufacturer’s
battery life recommendations.
Connect leads to batteries.
For 12VDC operation:
Connect red battery lead to the Positive (+) battery terminal.
Connect black battery lead to the Negative (-) battery terminal.
For 24VDC operation:
Using Battery Jumper Cable, connect the Positive (+) battery terminal
of one battery to the Negative (-) terminal of the second battery.
CAUTION: Connect and disconnect batteries with AC power ON. Battery circuit is engaged when AC power
is OFF. Adding or removing batteries with circuit engaged could result in electrical shock and injury.
Connect red battery lead to the
unused Positive (+) battery
terminal.
Connect black battery lead to
the unused Negative (-) battery
Batteries
Jumper Cable
Rev. A, 04/13
Page 6 P/N 500-30000
Page 7
Configure Status Monitoring
1.
Wiring for AC Status Monitoring
The diagram below shows a basic wiring diagram to provide output to a
control panel or local alarm for notification of AC power loss.
AC-ON state energized the NO/C switch. The Switch changes state
when power is lost.
2.
Wiring for Limited Time Warning/Low Battery
The diagram shows wiring to an access system
controller to provide low battery warning.
It is also possible to provide a local indicator by
using an LED, 4.3K Ohm Resistor and 22-30 AWG
wire.
Testing
1.
Test Input and Outputs
AC Input: Enable AC power to input line. Confirm LED on front of enclosure is lit.
DC output: If connected to load or distribution board, DC output indicator on power module will be lit.
If not connected to load or distribution board, test output with Amp Meter to verify continuous current.
AC Fail Notification: Disable AC power to input line. If AC fail notification is configured, the switch will
change state, triggering the notification output.
LTW Notification: Disable AC power to input and allow batteries to run down to Limited Time Warning.
Recommended Annual Maintenance
AC Fail Notification
Remove battery leads
Turn off AC power
Check AC fail notification
Restore Power
Remove battery leads
Turn off AC power
Check AC fail notification
Restore Power
Re-connect battery leads
Battery Test
Disconnect Power
Check DC output voltage under battery operation.
For fully charged batteries, voltage should be above 11.5VDC for 12 VDC setting and above 23.0 VDC for
24VDC operation. If voltage is below this range, test batteries per battery manufacturer instructions and
replace if needed.
LED
4.3K Ohm Resistor
+LTW
+LTW
Low Battery
Monitoring
Access Control
System Panel
NO C NC
AC Fail
Problems with installation? Call Securitron: 1-800-MAG-LOCK
For warranty information visit: www.securitron.com/en/site/securitron/About/MagnaCare-Warranty
Rev. A, 04/13
Page 7 P/N 500-30000
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