AGS Merlin 1000S+ Instalacja, obsługa i konserwacja - Strona 11
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Drukuj stronęInstallation & Operation Manual
Maintenance
Cleaning
Concentrations of alcohol found in many products may damage, deteriorate, or affect the gas sensing elements such as
wine; deodorants; stain removers and thinners. Other gases and substances to avoid are corrosives (i.e., chlorine &
hydrogen chloride); alkali metals; basic or acidic compounds; silicones; tetraethyl lead; halogens and halogenated
compounds!
Keep your panel in good working order - follow these basic principles.
Remove any dust/debris from the outer enclosure regularly using a slightly damp cloth.
•
Never use detergents or solvents to clean your device.
•
Never spray air fresheners, hair spray, paint or other aerosols near the device.
•
Never paint the device. Paint will seal vents and interfere with the device.
•
Bump Testing (Gas Response Check)
All certified test gases supplied by AGS are classified as non-flammable and non-toxic, however, they may contain gas
under pressure and may explode if heated to extreme temperatures and cause asphyxiation in high concentrations.
Always use in accordance with the safety data sheet!
Gas response checks are often referred to as a 'bump test'. Bump tests are important to make sure a
device can detect a release of gas as early as possible. The aim of the bump test is to make sure a
detector is working at its optimum by briefly exposing the unit to a known concentration of the target gas
that usually exceeds the highest alarm point. If the detector goes into alarm and all signals/outputs
activate, then the system is working.
If the system fails to operate as intended in an alarm state, the gas detector must not be used until a full
inspection and service has been conducted. NFPA requires all gas detectors to be tested annually and
that the test results be recorded on site and available to inspectors.
A detector may visually appear in good working order, but its sensitivity and accuracy can be inhibited
by external factors. Dust, humidity, temperature fluctuations, cleaning products, contaminants, exposure
to its target gas or sensor drift (ageing) can cause a decline in sensitivity, accuracy, and eventual failure.
Regular bump tests are important to make sure the detector can detect a release of gas as early as
possible and usually takes seconds (gas type dependant i.e., CO sensors will take over a minute) and is
often completed alongside a scheduled fire alarm test, however the frequency should be determined
following an appropriate risk assessment by the end user.
We recommend testing detectors every 12-18 months along with the regular fire test procedures and
coincide with the annual service message prompted on the detection system after each year of
service/operation.
Contact your AGS representative for details of suitable bump testing kits and gases. Kits usually consist
of a certified gas cylinder or spray. We recommend only using AGS calibration gas kits to ensure correct
flow rates meet AGS technical requirements. A bump testing gas is usually a concentration mix that
exceeds the highest alarm set point.
Rev: 13
08-22
Merlin 1000S+
11