AGS Merlin Instrucciones de instalación y funcionamiento - Página 12
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Care & Maintenance
Overview
Merlin sensors are designed to operate in a wide range of harsh environments and conditions. However, it is
important that exposure to high concentrations of solvent vapours is avoided, both during storage and operation.
Regular maintenance and calibration of the sensors by trained technicians is recommended. Inspections and
services must be documented and executed at regular intervals.
The frequency must be determined and observed by the person responsible for the gas warning system
according to all regulatory, code and legal requirements. The inspection interval is normally 6 to 18 months to
retain optimum safety. The date for the next maintenance must be affixed to the equipment sensor.
Interval
During Commissioning
Every 6-18 Months**
** Typical frequency. This can vary by sensor type, application and national or local
Circuit testing
Access to the interior of the detector, when carrying out any work, must be conducted by a competent person!
This circuit test does not check the gas-sensing element itself!
When the test button on the circuit board is pressed and held the detector will simulate an open circuit to
ensure configured systems, outputs, alarms, indications, and other external devices operate as intended in
response to gas. When the test button is released – the test sequence will terminate and return to normal
operation.
Service Reminder Message
A service screen will intermittently flash every 30 seconds after one year of operation.
The annual message reminder will begin after five (5) hours of continuous power
irrespective of whether the system is then, used intermittently. The detector will still operate
as intended during this time.
Depending on the application and environmental factors, a service (bump test) can be conducted at a higher
frequency determined by the end user but must be executed by a competent person.
Rev 01
Function
Check installation, orientation, mounting, cable entry & wiring.
Check indications for proper operation.
Check buzzer and relay operation.
Check signal transmission to the BMS/central controller, where appropriate.
Inspection by trained service personnel.
Merlin Gas Detector Installation & Operation Instructions
regulation/code.
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