AOM EAN-400 Specificaties - Pagina 10
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Note: Electrostatic precipitators aim at removing particles, which are responsible for a proportion of total odour discharges.
However, gas odour particles remain in the exhaust downstream from the filters. AOM recommends the use of AOM Ozone
Generators to inject ozone into the exhaust downstream from the ESP unit in order to mitigate the remaining odour. The
overall AOM system has been independently tested as per the requirements of AS1668.2‐2012 and allows for the
determination of "deemed airflow rates" and the definition of engineered kitchen exhaust discharge solutions.
5.1.2
Based on the different components, the EAN ESP unit functions as follows
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The prefilter acts as a barrier for large grease and other particle material from entering into the electrostatic filter.
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The electrostatic cells which function as follows:
High Voltage 13 kV tungsten ionising wires which are spring mounted within an aluminium frame
o
distribute an electrical charge to particle matter.
Equally spaced low voltage collection plates attract the charged particles. The particles slide down the
o
plates into the tray below.
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The electrostatic cells receive high voltage from the EAN ESP unit through the connection insulators located
within the unit door. The connection between the cell and the insulator is done using connecting springs located
on the ESP cell. The connection between the cells within the unit is done using connecting plates and springs
located on the ESP cells.
‐
A removable grease tray collects grease and particle matter that slides down the aluminium plates.
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The EAN ESP unit door is equipped with:
Lock and door handle to open the door and access the unit electronics
o
Voltmeter indicating the voltage received by the unit
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Amperemeter indicating the consumed amperage of the unit (see below for the recommended amperage
o
values)
ON/OFF switch and indicator lights: Green LED light indicates unit is on, RED LED light indicates that the
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unit requires cleaning and / or servicing
In built cooling fan: ensures that the electronics remain at a constant temperature
o
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CERTIFICATION AND TESTING
6.1.1
Electrostatic filters are and proven and widely used filtration method for kitchen exhaust. ASHRAE Systems &
Equipment 1996 testing results concluded that "Electronic air cleaners can be highly efficient filters using electrostatic
precipitation to remove and collect particulate contaminates such as dusts, smoke, and pollen. The designation
electronic air cleaner denotes a precipitator for HVAC air filtration. This type of air cleaner can remove and collect
contaminates with an average efficiencies up to 98%, when tested in accordance with ASHRAE Standard 52.1.
6.1.2
The AOM FILTRAIR system is currently the only system on the market that has been tested and certified by a
recognised Australian agency to filter commercial kitchen exhaust. The University of Sydney carried out efficiency
testing on a Type 4 cooking exhaust as per AS1668.2‐2012: High grease, medium heat producing equipment such as
countertop barbecues and gas fired deep fat fryers (certificate available on request).
6.1.3
Tests were also carried out on a double pass setup (two electrostatic filters in series) and results were situated out of
the testing protocol range (range was between 0.5‐900 micron). These independent testing results place AOM
Australia at the forefront of kitchen exhaust filtration in Australia and New Zealand. No other kitchen exhaust hood on
the market is able to independently certify a filtration efficiency specific to kitchen exhaust airflows.
6.1.4
The laboratory test results have been confirmed by in‐situ tests. Independent test were carried out during high volume
cooking sessions (lunch) at a heavy type 4 cooking tenancy (gas chargrilling of steaks, meat, burgers, bacon). Particle
21/54 Beach Street Kogarah NSW 2217 Tel Sales 1300 903 788 Service 1300 904 088
rev 1, 22/09/2016
www.aomaus.com.au email [email protected]
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