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Tel: +44 (0)1962 736736 Fax: +44 (0)1962 736737 Email: sales@influxmeasurements.com
A GUIDE TO THE INSTALLATION, OPERATION & MAINTENANCE OF
SprinklerSense Wall Mounted Connection Unit, WM
FOR USE WITH SPDB30 & SPDB90 TYPE FLOW SWITCHES
1
Specification & Operation
1.1
Introduction
The SprinklerSense WM is designed specifically for use with Influx SPDB30 and SPDB90 type LPCB approved
flow switches. The unit is permanently wall mounted at an easily accessible height to provide a means of
connection to a PTI portable user interface unit which provides access to the self-test features of the flow switch.
1.2
Construction & Specification
Housing:
Operating Temperature Range: 2 to 68°C
Supply Voltage:
1.3
Operation
The WM once installed and connected to a Sprinklersense flow switch provides a 4-way Mini-DIN connector
socket which should only be used with a Sprinklersense PTI device. When connected, the WM provides power
to the PTI and allows communication with the flow switch. The PTI manual gives further information regarding
operation.
IOM WM Iss.2
MEASUREMENTS LTD
1A Bennett House, The Dean, Alresford, Hampshire, UK. SO24 9BQ
2 Gang Faceplate (surface mounting rear box provided)
18 to 30V D.C.
May 2019
Page 1 of 2
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Table of Contents
Summary of Contents for INFLUX MEASUREMENTS SprinklerSense WM
- Page 1 Specification & Operation Introduction The SprinklerSense WM is designed specifically for use with Influx SPDB30 and SPDB90 type LPCB approved flow switches. The unit is permanently wall mounted at an easily accessible height to provide a means of connection to a PTI portable user interface unit which provides access to the self-test features of the flow switch.
- Page 2 Installation Mechanical The 2 Gang size fascia plate is supplied with a matching surface mounted box. If required an alternative 2 Gang type box can be used with a minimum depth of 35mm. The box should be mounted in an easily accessible position where it is not likely to become wet in normal use.
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