In light of current situation caused by COVID-19, a novel coronavirus of SARS family had resulted in on-going 2019-2020 pandemic, known to cause acute respiratory illness to humans and is claimed by numerous health authorities to be highly contagious. Globally the governments are working round the clock to setup guidelines to curtail the spread, isolate and treat the infected. Numerous field and makeshift hospitals are being established for having maximum possible isolation among patients getting treated.
DYNAIR products- DEV / DAH are specifically designed for filtration and ventilation of isolation wards and suitable for cabins sized as per ASHRAE Journal Feb.2019
- (DEV)- Dynair product for airborne infectious isolation room
Dynair ETL listed DEV Units are tested as per standard UL 710, it can be assured that the DEV units will withstand harsh operating conditions and will remove all the exhaust containments in efficient manner without compromising the comfort level of the occupants. Cabinet construction Penta post design for high strength, PPGL sheet with 55% aluminum & 45% zinc for double protection, OR PPGI sheet, OR GI Sheet.
STAGES
- Pre filter with MERV rating of 5 to 6.
- HEPA filter with filter class as H14 (EN1822) with efficiency of 99.999%
- UV-C is most effective at sterilizing when in “C” band range of 200-280nm. UV light then breaks apart the molecular bonds of the DNA of the microorganism killing the microbe or inhibiting its’ ability to reproduce. (Upon request)
- Fan section with motor outside the airflow path for easy maintenance.
- Heating element – Coronavirus gets deactivated due to melting of the outer protein shell at high temperature (56 °C for 15 min) (referred from multiple scientific publications) (Upon request)
- Dynair Air Handlers for Fresh Air
Cabinet construction Penta post design for high strength, PPGL sheet with 55% aluminum & 45% zinc for double protection, OR PPGI sheet, OR GI Sheet. Mechanical performance tested as per EN 1886 from TUV lab.
- Pre filter with MERV rating of 5 to 6.
- Bag filter with MERV 15/F9 rating & efficiency of 98%.
- HEPA filter with filter class as H14 (EN1822) with efficiency of 99.999%
- DX cooling coil with outdoor condensing unit.
- Direct driven plenum fan or DIDW belt driven centrifugal fan.
Key Points
- Maintain negative pressure inside the isolation rooms
- To prevent contamination air to the surroundings
- Filtered exhaust to avoid spread of virus
- The total supply air specified based on the 12 ACH. The one square diffuser placed on the drop ceiling are designed as per the supply air capacity. The exhaust air passed through the exhaust grill at the top of the room. The isolation room is assumed to control under negative pressure with all doors closed. Our DYNAIR products shall be so sized that a negative pressure of >2.5Pa is maintained inside the enclosure.
Maico Gulf has dedicated R&D and application support team in RAK facility specializing in product customization and able to cater current ventilation product needs for field hospitals. They can support the design of the ventilation system for the optimum exhaust of contaminated air inside the isolation room / airborne rooms to reduce the risk for the health workers / customer / end-user.
