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GEIST™ LEAK DETECTION KIT

Quick Installation Guide

  

VM1236/590-2262-501A

are stripped so that approximately 

¼ inch (7 mm) of bare wire is 

showing. Then insert the wires into 

the appropriate terminals of the 

CABLE INPUT terminal block and 

tighten the screws to lock the 

wires into place.

Connecting the relays to a 

monitoring unit

Using the 4-conductor alarm wire 

supplied with the kit (or any 

suitable 4-conductor wire), with the 

relay mode jumper in “supervised” 

mode, connect the signals between 

the LD310 Control Box and the 

monitoring unit’s analog-input 

terminal block.
Note that the use of inputs #1 and 

#2 here is merely an example. Any 

of the numbered analog inputs can 

be used. That is, as long as the red 

and green wires are connected to 

diff erent inputs, and those inputs 

don’t already have other sensors 

connected to them. You cannot, 

however, connect both the red and 

green wires to a single analog 

input. The “fault” and “leak” signals 

must be connected to separate 

inputs for the unit to work properly.

Connecting the 5 V power 

supply

The LD310 Control Box is powered 

by a standard 5 VDC wall 

transformer-style power supply. 

Make sure both wires are stripped 

so that approximately ¼ inch (7 mm) 

of bare wire is showing and then 

insert the wires into the appropriate 

terminals of the 5 VDC DC IN 

terminal block and tighten the 

screws to lock the wires in place.

Connecting the Leak-

Detection Cable(s)

Your leak-detection kit includes 

one or more lengths of orange 

Leak-Detection Cable. The cables 

are designed to be daisy-chained 

together, so each cable has a 4-pin, 

male, twist-lock plug on one end, 

and a 4-pin, female, twist-lock 

socket on the other end. 
The first length of Leak Detection 

Cable connects to the Leader 

Cable from the LD310 Control Box, 

and additional lengths (if any) are 

chained together as necessary. 
Some kits are supplied with a cable 

that is permanently terminated on 

one end. If your kit is one of these, 

the terminated cable must be the 

last cable in the chain. 
If your kit does not include a 

pre-terminated cable, the 

Terminator Plug must be attached 

to the last cable in the chain.

“Non-Sensing Cable” 

(optional)

The Non-Sensing Cable, available 

as an optional accessory, is an 

economical way to route around or 

over non-monitored spaces, such 

as doorways. It also provides 

greater flexibility in where to mount 

the control box without wasting 

Leak Detection Cables across 

areas where there is no need to 

actually sense liquids. 

NOTE: 

The Non-Sensing Cable can 

be connected anywhere within the 

chain.

Program Jumpers

The LD310 has three sets of 3-pin 

jumpers. JP1 is used to configure 

the sensitivity of the leak setting. 

JP2 configures the relay outputs. 

JP3 configures the audible alarm. 
If you change the jumpers, you 

must cycle power to the LD310 in 

W     B     G     R

CABLE

INPUT

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G

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Bl

ack

W

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NC  C  NO

LEAK

NC  C  NO

FAULT

–     +

5VDC

DC IN

Str

ip

ed

U

ns

tr

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ed

W

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G

re

en

Bl

ack

Re

d

C     1      2     3     C

Monitoring

unit

Leader

Cable

5V power

supply

LD310 Control Box

Geist

TM

 LD310 Control Box Wiring Diagram

Re

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G

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Bl

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W

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