Ozone is produced by UV lamps without the Titanium Dioxide coating that attenuates frequencies lower than200 nanometers. At the 180 nm line, it breaks oxygen apart to form 2 unstable O which in turn fuse with another O2 to form O3. Ozone is a powerful oxidant and extremely effective germicidal agent which destroys organic molecules in the air as well as grease and oil from kitchen exhausts. It has a very short lifespan and in ambient temperatures, it will last 20-30 minutes before it returns to normal oxygen O2. UV ozone is also a scientific breakthrough in odour and grease control, the most effective method known today for eliminating unpleasant odours, grease and oil mist in processing areas. However in cases where a lot of smoke is generated during the cooking process such as char-grilling, the use of an industrial air cleaner or electrostatic precipitator is recommended. DUO units should be installed as near to the cooking hoods as possible, or as far as possible from the discharge outlet, so as to give the longest possible contact time with the cooking exhaust. For optimum performance, the contact time for air treatment in the duct should be approximately 0.1 to 0.2 seconds or longer if possible.
First Stage : The high intensity UV irradiance oxidizes the oil mist and grease, converting them into vapour and other manageable substances
Second Stage: The UV lamp produces Ozone O3. This is a very powerful oxidizing agent. It oxidizes the many organic compounds and acts as an deodorizing agent and is effective for odour control. It also sterilizes the air.
| Models | DUO 1 X 300 | DUO 1 X 400 | DUO 2 X 300 | DUO 2 X 400 |
| Input Voltage | 230 VAC | 230 VAC | 230 VAC | 230 VAC |
| Watts | 60 | 75 | 120 (60x2) | 150 (75x2) |
| Lamp Length | 300mm | 400mm | 300mm | 400mm |
| No. of Lamps | 1 | 1 | 1 | 12 |
| Lamp Type | HO | HO | HO | HO |
| Lamp Life | 9000 Hours | 9000 Hours | 9000 Hours | 9000 Hours |
| Capacity (CMH) | 750-1500 | 1000-2000 | 1500-3000 | 2000-4000 |
Lamp Type: HO = High output Type
Ballast Housing : Mild steel, Epoxy Coated
Dimensions: DUO-1 250mm x 155mm x 90mm, DUO-2 490mm x 155mm x 90mm
As the DUO units produce intense a UV radiation and large amount of ozone, its operation should be interlocked with the exhaust fan for safety reasons.
The DUO Interlocking Unit is available as an option. The interlocking signal from the kitchen exhaust fan control panel shall be 230VAC, max 2A. That is, the kitchen exhaust fan control panel sends the 230VAC supply to activate the DUO Interlocking Unit, thereby activating the DUO units
Dimensions of CP-FDC-230 : 250 x 210 x 151 mm
The PS230 is suitable for use in automatically switching on the DUO or COS units when air flow is detected. It is primarily used for ducted operations and eliminate the need for setting up interlocking signals or circuits to turn equipment on/ off, connected to ducting systems.
The pressure switch has a variable setting range for static pressure ranging from 30 pa to 300pa. This means that equipment can be set to turn on only when airflow is of a certain pressure. This will save energy in cases where equipment, like air cleaners, will not be turned on when the exhaust fan is running in low speed when there is no cooking activity.
PS-230 should only be installed upstream of the exhaust fan as shown in diagram below
Dimension: 95mm x 80mm x 105mm , Weight: 2.2Kg
Material: Mild Steel Powder Coated
Input Voltage: 230VAC - Output Voltage: 230VAC
Switching capacity : 30 A
UV Ozone chambers eliminate cooking odours and fire oil mist generated during the cooking process and are usually installed together with Electrostatic Air Cleaners or Electrostatic Precipitators in kitchen exhaust systems. As ozone is a powerful oxidising agent effective for odour control, UV ozone chambers can also be used in sewage ventilation, garbage rooms, old rooms and general odour control.
COS-5-90 and COS-10-90 units should be installed as near to the cooking hoods as possible, or as far as possible from the discharge outlet, so as to give the longest possible contact time with the cooking exhaust. For optimum performance, the contact time for air treatment in the duct should be approximately 0.1 to 0.2 seconds or longer if possible. Charcoal filters may be installed at the last stage to mop up residue ozone if preferred.
Once the number of lamps are determined, RydAiR will supply all the components needed. These include:
| Models | COS-5-90 | COS-10-90 |
| Input Voltag | 230 Volts AC | 230 Volts AC |
| Lamps’ Power | 75 watts Max | 75 watts Max |
| Lamps’ Length | 846mm | 846mm |
| No of Lamps | 5 | 10 |
| Lamps’ Life | 9000 Hrs | 9000 Hrs |
| Capacity | 5,000 - 7,000CMH | 10,000 -12,500MH |
The PS230 is suitable for use in automatically switching on the DUO or COS units when air flow is detected. It is primarily used for ducted operations and eliminate the need for setting up interlocking signals or circuits to turn equipment on/ off, connected to ducting systems.
The pressure switch has a variable setting range for static pressure ranging from 30 pa to 300pa. This means that equipment can be set to turn on only when airflow is of a certain pressure. This will save energy in cases where equipment, like air cleaners, will not be turned on when the exhaust fan is running in low speed when there is no cooking activity.
PS-230 should only be installed upstream of the exhaust fan as shown in diagram below
Dimension: 95mm x 80mm x 105mm , Weight: 2.2Kg
Material: Mild Steel Powder Coated
Input Voltage: 230VAC - Output Voltage: 230VAC
Switching capacity : 30 A
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