Elk products ELK-965 User Manual
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For more information contact your local Distributor or:
ELK PRODUCTS,INC 828-397-4200 FAX 828-397-4415
http://www.elkproducts.com Email: info@elkproducts.com
05/02
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®
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Speakers & Sirens
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Surge Suppressors
Relay Modules
Power Products
Accessories
Low Battery Cutoff &
Master Power Switch
ELK-965
APPLICATION:
The ELK-965 is a Low Battery Cutoff Module
combined with a Master Power Switch. It is
designed to work with virtually any 12 Volt
D.C. control panel or power supply. In the
event of an extended power outage, the
ELK-965 sensing circuit automatically
disconnects the battery when the voltage
falls below 10 Volts.
Low Battery Cutoff
and Master
Power Switch
ELK-965
In the event of an extended power outage, the
ELK-965 sensing circuit automatically disconnects the battery when the voltage falls below 10
Volts. This helps to prevent "deep discharging"
of the battery. The convenient power switch
permits the installer or user to easily disconnect
both the Battery and the AC power from the
control or power supply.
FEATURES:
• Works with most 12 Volt DC Control Panels.
• Automatic Low Battery Cutoff Protects
Battery From Deep Discharge.
• AC and Battery On / Off Power Switch.
• Visual LED Power Indicator.
• Installer Friendly - Small Compact Size.
• Includes AC Wires & Battery Leads.
• Fits Standard Snap Track.
• Includes Double Sided Mounting Tape.
• Lifetime Limited Warranty, call for details.
• Packed In Reusable Poly Storage Box.
SPECIFICATIONS:
• Size: 1.75" X 2.185" (44.5mm X 55.5mm).
• Relay Contacts: 7 Amp @ 28 VDC.
• On / Off Power Switch: DPDT Slide Type.
• AC Power Leads: 18AWG, 18" Length.
• Maximum Transformer Size: 18 VAC.
• Battery Leads: 18 AWG, 16" Length.
• Low Battery Cutoff Voltage: ~ 10 Volts D.C.
Features or Specifications subject to change without notice.
828-397-4200 Voice
828-397-4415 Fax
http://www.elkproducts.com
email: info@elkproducts.com
PO Box 100 • Hwy. 70W • Hildebran, NC 28637 • USA
Instructions Printed On Inside
ELK-965 INSTRUCTIONS
The ELK-965 is extremely useful for adding a Master Power On / Off switch and an
automatic low battery cutoff to virtually any 12 Volts D.C. Control Panel or Power Supply.
AC OUT
Blue Wires (18")
To AC Input of
the Control or
Power Supply
On / Off
Power
Switch
Power On
Indicates
Status of AC
Power * *
AC INPUT
From AC
Transformer
up to 18 Vac
BATTERY WIRES (16")
(+) Red (-) Black
To Standby Battery
ON OFFSW1
AC OUT
AC IN
SPADE LUGS
For the Control
or Power Supply
Battery Wires
+
RED-BLK
J1
J2
CONTROL
ELK-965
POWER
ON
+
BATTERY
1. Disconnect AC transformer and battery from the Control or Power supply.
2. Turn off the Power Switch on the ELK-965.
3. Connect blue wires from the ELK-965 to the AC input of the Control or Power Supply.
4. Connect red and black battery wires from the control or power supply to the male
spade lugs on the ELK-965.
5. Connect AC transformer wires to the terminals marked AC IN on the ELK-965.
6. Connect red and black battery wires from the ELK-965 to the 12 Volt D.C. standby
battery.
Note: The Control or Power Supply cannot be powered up from the battery only
because the ELK-965 battery cutoff relay requires AC power to be on and the Control
or Power Supply charging current to be verified before it will energize..
Operation
Installation
In the event of an AC power outage the battery continues to provide power until it's voltage
level drops to approximately 10 Volts. The ELK-965 will then disconnect the battery, thus
ELK-965
shutting off the DC power to the device and saving the battery from a harmful deep
-
discharge condition. The battery remains disconnected until the AC power is restored.
The On / Off switch allows both the AC and DC (battery) power to be turned off to a control
or power supply. The green Power On LED primarily indicates the status of the incoming
AC power, however it can also provide other useful troubleshooting indications.
* * Green "Power On" LED Indications
LED On = AC Power is On and the red and black battery wires from control are connected.
LED OFF = AC Power is Off or the red and black wires from control are both disconnected.
LED Dim = AC Power On but one of the red or black wires from control is disconnected.
Caution: The ELK-965 cannot determine the status or condition of a battery. This
functionality would have to be provided by the control panel or power supply.
Control Panel Hookup
18" Blue AC
Wires
AC
Transformer
18 Vac max.
18" Blue AC
Wires
Transformer
18 Vac max.
On / Off
Switch
On / Off
Switch
AC
+ -
ON OFFSW1
AC OUT
AC IN
Control Panel
+
RED-BLK
J1
J2
CONTROL
ELK-965
POWER
ON
-
+
BATTERY
16" Battery Wires
ELK-965
Battery Wires
From Control
AC
INPUT
Battery
+ -
12V Battery
Power Supply Hookup
12V Power Supply
DC Out
AC
Input
- +
ON OFFSW1
AC OUT
AC IN
Batttery
+ -
+
RED-BLK
J1
ELK-965
POWER
ON
+
CONTROL
BATTERY
J2
ELK-965
-
Power Supply
Battery Wires
16" Battery Wires
+ -
12V Battery
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