EnviroTech Alarms GasHunter 1 Installation And Operation Manual

Gas leak detection alarm panel

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GASHUNTER 1 GAS LEAK DETECTION ALARM PANEL INSTALLATION AND OPERATION MANUAL
The GasHunter 1 detects the presence of gases in environments where it is not
supposed to be. Should gas be detected the alarm panel will trigger an internal buzzer
and an LED will start to flash. There are also a number of volt free relays that will switch
when gas has been detected.
OUTPUTS ARE AVAILABLE?
3 X 2 amp Volt free changeover common alarm relay. Will switch state on detecting
an alarm. Perfect for connection to a BMS, an external sounder/beacon, for
switching on a pump or triggering a telephone dialler.
12VDC output for running low voltage devices directly from the panel.
Power fail relay will switch should the mains power be interrupted.
Output connector for Echo repeater panel used for remote monitoring in a different
location to the main panel location.
Mute button - silences the panel after an alarm has been triggered as well as used to
reboot the panel should a fault occur.
Onboard LED outputs for System Healthy, Power On, Gas Leak Detected, Line Fault
and Power Fail.
12VDC 1.2 aH Battery back up 20 hours in standby mode.
Helpline Telephone: 0330 1595933
Installation and Operation manual - GasHunter1 System
(continuously monitors the gas
probes connected for breaks in
Alarm status light
Off - All OK
Red Flashing - Leak Detected
Alarm Test
Button
(press to ensure that the LED
lights are functioning correctly)
Further information is available on our website
Fault monitoring
continuity)
Green - All OK
Red - Fault Detected
Power On
Green - ON
Power Off
No Light
Power Fail
illuminates to
indicate running on
battery backup
Alarm Test
illuminates when
test button pressed
Mute
Button
(press to silence the audio
alarm)

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Summary of Contents for EnviroTech Alarms GasHunter 1

  • Page 1 GASHUNTER 1 GAS LEAK DETECTION ALARM PANEL INSTALLATION AND OPERATION MANUAL Fault monitoring The GasHunter 1 detects the presence of gases in environments where it is not (continuously monitors the gas supposed to be. Should gas be detected the alarm panel will trigger an internal buzzer probes connected for breaks in and an LED will start to flash.
  • Page 2: Technical Specification

    TYPICAL CONFIGURATION Product Overview: The GasHunter 1 is a gas leak detection alarm panel designed to notify that a gas leak has occurred. Each alarm panel has the capability to connect to gas sensor probes. The GasHunter 1 has 3 output relays and a battery back up as standard.
  • Page 3: How Does It Work

    GAS LEAK DETECTION Single Sensor gas leak detection WHAT DOES THE PRODUCT DO? The gas detection sensors come pre-calibrated to detect gases including refrigerant R134a and R410a. The housing is suitable for mounting on a wall and require minimal The Gas Sensor has the capability to detect the presence of maintenance.
  • Page 4 INSIDE THE PANEL Mains 230VAC Battery Fuse 1 amp Echo Repeat Panel connection Mains Fuse Power fail relay 2 amp 240volt 2 amp 12 volt DC output Battery Additional relays x2 Sensitivity Adjustment 240volt 2 amp more less sensitive Cable Fault Sensor Connections Relay Output + / -...
  • Page 5 Installing the gas sensor Gas-Hunter Alarm Panel Gas Sensor To Sensor Ensure there is a diode across the input terminals in the gas sensor. This is used for monitoring for cable faults.
  • Page 6 Installing multiple sensors Please note that due to the amount of current required it is only possible to connect a maximum of 4 gas sensors to any panel. Wiring in Series (max of 4 sensors) 12V DC output +V (Red) -V (Black) SENS Connection + (Yellow)
  • Page 7 Connecting to a BMS It is possible to connect the GasHunter 1 alarm panel to a BMS panel. When a leak is detected the alarm relay in the GasHunter 1 panel will switch from open to closed and signal to the BMS.
  • Page 8 Connecting an SMS Dialler It is possible to connect the GasHunter 1 alarm panel to an SMS dialler that will send a text message should a leak occur. Settings for the SMS dialler can be found in the manual that comes with this equipment.
  • Page 9 Connecting to a Beacon/Sounder It is possible to connect the GasHunter 1 alarm panel to a beacon, a sounder or a beacon/sounder. The power and switching for any of these are taken directly from the alarm panel as shown below.
  • Page 10: Troubleshooting Guide

    Testing To test the alarm is working: Use a gas canister containing the same gas as would be present should a leak occur and emit a small amount adjacent to the sensor. This will trigger an alarm and set the sensor and alarm panel off. Using this method requires the test area to be completely devoid of gas following the test in order to reset the panel.

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