Water Sensing Cable
LP-LPD Water Leak Locating Panel Quick Start Guide
Page 4 of 10
Connection of Alarm Relay
The relay output of LP-LPD can be used for local or remote alarm, it can also be used as an digital signal
for any BMS system.
Wiring Combination
Alarm Status
Output State
N.O. —COM
No alarm
Open
Alarm
Closed
Loss of power
Open
N.C. —COM
No alarm
Closed
Alarm
Open
Loss of power
Closed
Connection of Lead-out Wire of Leak Sensing Cable
LP-LPD can be used with WS-Lxx leak sensing cable. The leak sensing cable is connected as shown in the
following figure.
Po
w
er
+/-
Communic
ation cable
G
rou
n
d
w
ire