Wlsn Water Sensor/Low-Temperature Sensor - Bosch ICP-EZM2 Easy Series System Reference Manual

100 en | Device Specifications and Overview
10.19

wLSN Water Sensor/Low-temperature Sensor

The wLSN Water Sensor/Low-temperature Sensor detects water spilled or leaking onto a
solid surface. It can also be used to monitor temperature to warn of potential water pipe
freezing. If temperatures fall below +7°C (+45°F) for more than 30 sec. the sensor sends a
signal to the wLSN Hub.
Specifications
868 MHz
915 MHz
Power/Voltage
Relative Humidity
Temperature (operating)
Temperature (alarm)
EN50131-1
Installation Considerations
The wLSN Water Sensor/Low-temperature Sensor is not intended to:
–
–
–
Test and Enable wLSN Water Sensors/Low-temperature Sensors
Test each newly discovered device during the Point Test to enable the device. If specific point
numbers are preferred, test devices in the appropriate order.
Testing and Enabling When Both Sensors are Required
1.
2.
Testing and Enabling When Only the Water Sensor is Required
During the Point Test, test the water sensor. Refer to Table 10.13, Page 100 for instructions.
The system announces "Point xx was tested."
Testing and Enabling When Only the Low-temperature Sensor is Required
During the Point Test, test the low-temperature sensor. Refer to Table 10.13, Page 100 for
instructions.
The system announces "Point xx was tested."
Do not connect the water sensor probe.
Sensor
Water
Low-temperature
Table 10.13 Water Sensor/Low-temperature Sensor Test and Enable Procedures
F01U087835 | 02 | 2008.10
monitor water levels in storage tanks or other liquids
be permanently submerged in water
detect absence of water
During the Point Test, test the low-temperature sensor first. Refer to Table 10.13,
Page 100 for instructions.
The system announces "Point xx was tested."
Test the water sensor. Refer to Table 2 for instructions.
To Test
Select one of the following methods:
– Short the water probe pins for at least 5 sec. Refer to Figure 10.13, Page 101.
– Submerge the water probe in water for at least 5 sec.
Short the "T" pads for at least 5 sec. Refer to Figure 10.13, Page 101.
System Reference Guide
ISW-BWL1-SX
ISW-BWL1-SY
Two AA batteries, 2.3 VDC to 3.0 VDC
Up to 95%, non-condensing
-10°C to +55°C (+14°F to +131°F)
<+7°C (+45°F)
Environmental Class II
Easy Series
Bosch Security Systems, Inc.