Watts GSX Series User Manual

LPG and Natural gas leak detectors
Series GSX - GSW
Main features
- Suitable for domestic applications
- Electronic operation based on microprocessor
- Available in the following versions :
• wall mounting
• flush mounting
- Provided with 2 setting/alarm thresholds
selectable by the user :
• 10% of LEL (default)
• 15% of LEL
- Automatic reset of the normal functioning
conditions when the concentration of the gas
goes below the threshold alarm.
- Provision for connection to GSM module for
sending SMS alarm messages.
- Conforms with European standards, namely :
• EEC 89/336 EMC, EEC 73/23 LVD,
EN50194 Certification pending

Watts GSX Series Specifications

General

Target Gas	Oxygen
Sensor Type	Electrochemical, Catalytic Bead, Infrared
Output Signal	4-20 mA, Modbus
Enclosure	IP66/67
Certifications	UL, CSA, ATEX, IECEx, SIL2
Alarms	Visual, Audible

Summary

Product Features and Overview

Main Features

Key functionalities including domestic application suitability, electronic operation, and selectable alarm thresholds.

Product Description and Technical Specifications

General Description

Overview of the Gas Sentinel range, design, size, and performance in accordance with European standards.

Technical Characteristics

Detailed specifications covering power supply, consumption, gases monitored, alarm thresholds, and operating conditions.

GSX Series Gas Sentinel

Description of the wall-mounting Gas Sentinel, its applications, and connection options.

GSW Series Gas Sentinel

Description of the flush-mounting Gas Sentinel, its features, and compatibility with electrical boxes.

Kits, Applications, and Operation

Kit Gas Sentinel

Details of gas leak detector kits including solenoid valves for wall and flush installation.

Application Details

Use cases for domestic applications and compatibility with various electrical plates.

Operational Mechanism

Explanation of the microprocessor-based operation, sensor activation, and solenoid valve control.

Detector Status, Diagnostics, and Settings

Detector Status Indicators (LEDs)

Explanation of Green, Yellow, and Red LEDs indicating power, malfunction, and alarm states.

Self-Diagnostics and Setting

Information on the self-diagnostic program and how to set alarm thresholds.

Sensor Warm-up Period

Details on the initial warm-up time required for the sensor element to reach operating temperature.

Operational Modes and Reliability Information

Normal Operation and Malfunction

How the detector functions normally and indicates malfunctions via LEDs.

Alarm Activation and Performance Testing

Details on alarm delay timers, activation thresholds, and procedures for performance tests.

Networking and Sensor Reliability

Information on networking detectors and the reliability of semi-conductor sensor technology.

Installation Guidelines

Installation Positioning

Recommended placement for MET (methane/natural gas) and LPG detectors relative to ceiling/floor.

Installation Proximity and Avoidance

Guidance on distance from gas appliances and locations to avoid for proper installation.

Installation Procedures and Maintenance

Wall-Mount GSX Installation

Step-by-step instructions for removing and installing the wall-mounting GSX detector.

Flush-Mount GSW Installation

Instructions for installing the GSW detector into electrical boxes and affixing plates.

Maintenance and Spare Parts

Advice on cleaning, fault indication for replacement, and spare parts availability.

Electrical Connections

230V-50Hz Solenoid Valve Wiring

Wiring diagram for connecting the Gas Sentinel to a 230V solenoid valve.

Low Voltage Solenoid Valve Wiring

Wiring diagrams for connecting 12VCC, 12VAC, 24VCC, or 24VAC solenoid valves.