RLE LD1000 User Manual
SeaHawk LD1000 Quick Start Guide
Thank you for purchasing
a SeaHawk LD1000 singlezone leak detection controller.
This guide outlines device
installation and operation.
If you need further assistance,
please visit the support section
of our website - rletech.com or call us at 800.518.1519.
v2.1
(07/2014)
© Raymond & Lae Engineering, Inc. 2011. All rights reserved. RLE® is a registered trademark and Seahawk™, Falcon™, and Raptor™ are
trademarks of Raymond & Lae Engineering, Inc. The products sold by Raymond & Lae Engineering, Inc. are subject to the limited warranty, limited
liability, and other terms and conditions of sale set forth at http://rletech.com/RLE-Terms-and-Conditions.html.
Supplies for Installation
Included with the LD1000
15 foot (4.57m) leader cable
End-of-line terminator (EOL)
Wall mounting hardware
Available from RLE, sold separately
SeaHawk sensing cable, up to 1000 feet (305m)
Power supply: 24VDC (PSWA-DC-24) or 24VAC (WA-AC-24)
Mount the Device
The LD1000 is a wall mounted device, and mounting hardware is supplied with
every unit.
1. Select a location for the LD1000 and place the two screw anchors in the wall
4.25 inches (107.9mm) apart.
2. Screw both screws into the wall anchors so that approximately 1/8 inch
(3.18mm) of each screw is showing. It may be necessary to adjust the
screws—in or out—so that the unit ts snugly to the wall.
3. Remove the front cover from the LD1000 and hang the rear of the unit on
the screws.
4. Pull the unit toward the ground, so the screws nestle in the top of each
keyhole, and securely fasten the unit to the wall.
** As you wire and congure the LD1000, Refer to Figure A on the back of this page for a
detailed diagram of the device’s internal circuit board and wiring connections. **
Connect the Sensing Cable
Leader cable is used to connect sensing cable to the LD1000, since sensing cable
cannot connect directly to the device.
1. Remove the appropriate circular knockout from the enclosure and thread the
end of the leader cable through the knockout.
2. Insert the four stripped wires of the leader cable into the appropriate slots in
the Cable Input terminal block at the bottom right corner of the LD1000:
White wire: insert into pinout labeled W
Black wire: insert into pinout labeled B
Green wire: insert into pinout labeled G
Red wire: insert into pinout labeled R
3. Unscrew the EOL from the end of the leader cable.
4. Attach the length of sensing cable to the leader cable.
5. Route the sensing cable according to your cable layout diagram.
6. Secure the EOL to the unoccupied end of the sensing cable.
Connect the Relay Outputs
The LD1000 can be used as a stand-alone device, but it does have two Form
C relay outputs that communicate leak and fault status to another device or
system. If you wish to use the relay outputs, wire them at this time.
Connect the Power
The LD1000 requires an isolated 24VDC or 24VAC power supply. There
are separate terminal blocks for DC and AC power. To avoid product
damage and personal injury, wire power to the corresponding DC or AC terminal
blocks. Establish all wiring connections, including sensing cable, relay outputs,
and power before you activate the board’s power supply.
DIP Switch Settings
The LD1000 has four DIP switches. Adjust the switches to suit your application.
SW1-1
Congure the Relay Outputs as Supervised or Non-supervised
Off (default) Relays are non-supervised - the relays remains OFF until an alarm is detected
- at which time the relays turns ON.
On Relays are supervised - the relays remains ON until either power is disabled or
an alarm is detected - at which time the relays turn OFF.
SW1-2
Congure the Relay Outputs as Latching or Non-latching
Off (default) Relays are non-latching - when an alarm is detected, the relays will remain in
alarm state until the Quiet/Test/Reset button is pushed, or until the condition
that caused the alarm returns to a normal state.
On Relays are latching - when an alarm is detected, the relays will remain in
alarm state until the Quiet/Test/Reset button is pressed.
SW 1-3
Congure Relay Outputs as Two Summary Alarms or as Separate Leak and Fault Alarms
Off (default) Relay one is a leak alarm; relay two is a fault alarm.
On Both relay one and relay two are summary alarms.
SW 1-4
Alarm Delay Setting - The time between when an alarm is detected and when the LD1000 reports
the alarm. The alarm must be present during the entire delay in order for the alarm to sound.
Off (default) 10 second alarm delay
On Two minute alarm delay
Leak Sensitivity
Leak sensitivity indicates how much water must be present for the controller to
signal an alarm condition. The lower the sensitivity setting, the more water must
be present to trigger an alarm. Use the pot at R25 to set the sensitivity.
R25
Set the Leak Sensitivity
High Gently turn the dial clockwise as far as it will go.
Medium (default) Gently adjust the dial so it is in between the high and low settings.
Low Gently turn the dial counter clockwise as far as it will go.
Audible Alarms and Status LEDs; Quiet/Reset/Test Button
JMP2 controls the audible alarm. By default, the audible alarm on the LD1000
is enabled - the jumper is placed over the two prongs on JMP2. To disable the
audible alarm, remove the jumper from JMP2.
The LD1000 has three status LEDs:
Status LEDs
Color Condition Status Description
Green Power The light glows solid green when power is applied to the unit.
Yellow Alarm -
Red Alarm -
Red &
Yellow
Cable Break
Leak
Detected
Alarm - Low
Input Power
• Yellow light blinks when a cable break is detected.
• Light glows solid yellow once the quiet/reset button is pushed.
• After the cable break is repaired, the light blinks yellow until the
quiet/reset button is pushed again.
• Red light blinks when a leak is detected.
• Light glows solid red once the quiet/reset button is pushed.
• After the leak is cleared, the light blinks red until the quiet/reset
button is pushed again.
Red and yellow lights alternate blinks when a low input power condition
is present.
Test the System
Once the LD1000 is set up, you should test the system. If the LD1000 is
connected to a BMS or NMS, notify monitoring personnel before you test.
To verify the LD1000’s functionality, test three points within the length of sensing
cable - one at the beginning, one in the middle of the length, and another near
the end of the length of cable.
There are a variety of ways to simulate a leak.
• Pour a small puddle of water on the cable while it rests on the oor.
• Dunk the cable in a cup of water.
• Wet a paper towel or rag and wrap it loosely around the cable. This is
popular if the cable is used in pipe applications. Be careful to wrap the wet
cloth loosely around the cable. Do not put pressure on the cable.
Remove simulated leak sources. Return the system to its normal operating state.
To test the cable fault alarm, remove the end-of-line terminator (EOL) from
the end of the sensing cable. This will cause a cable break, which should be
reported appropriately by the LD1000. Once the cable break alarm is veried,
reapply the EOL and ensure the system returns to its normal operating state.
SW1-4
Alarm Delay
Off - 10 seconds
On - 2 minutes
SW1-3
Relay Outputs
Off - Leak & Alarm
On - 2 Summary
SW1-2
Relay Outputs
Off - Non-latching
On - Latching
SW1-1
Relay Outputs
Off - Non-supervised
On - Supervised
R25
Leak
Sensitivity Setting
JMP2
Audible Alarm
Jumper On - Enabled
Jumper Off - Disabled
Use the push button to silence the audible alarm and to test and reset the
system.
Quiet/Test/Reset Button
Quiet When a cable fault or leak is detected the alarm sounds. Push the button once to silence it.
Reset With no alarm present, press the button momentarily to reset the system. If any alarms
still exist after they are reset, the LEDs will turn on, the audible alarm will sound, and the
relays will activate.
Test Test the LD1000’s internal components - push and hold the button for one second - the
Fault and Leak LEDs will light and the audible alarm will sound. If the button is held for the
entire test sequence, the LEDs will glow solidly and both relays will activate until the switch
is released. This test sequence also cycles when the unit is powered on.
24VDC
Power Input
Figure A
24VAC
Power Input
Leak
Relay
Output
Cable
Fault Relay
Output
Leader Cable /
Sensing Cable
Input
Be sure the leader
cable is wired into
the correct pinouts.
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