1) What is the flow rate of the HRMS purification system. + One unit will disinfect approximately 50 cubic feet per minute (cfm) + A typical 10′ x 10′ room with 8′ ceilings has about 800 cubic feet of air, less the space occupied by furniture and people. + In one hour the fixture draws about 3,000 cubic feet, which equals about 4 disinfection cycles per hour in a 10′ x 10′ room. 2) If the HRMS is installed in a larger room, will it work as effectively? + The HRMS works works 24/7 regardless of the size of the room. It will be constantly be circulating the air.The fans move the air at 50 cubic feet per minute (cfm). In a 10 x 10 room with a ceiling at 8 feet, this would equate to 4 air changes per hour (800 cfm of air every 16 minutes) This equation is the same for a larger room, so in a 10 x 15 room with the same ceiling height of 8 feet, the change rate of 50 cfm would stay the same, however because the room is larger – 1,200 cubic feet – it will take 24 minutes instead of 16.
3) Any fan driven HVAC system circulates air like stirring a cocktail; circulation keep pathogens airborne. Any movement in the room stirs up pathogens. How does this action affect the HRMS? + The HRMS draws the circulating air into the eradication chamber to neutralize the pathogens. The fixture has intake and exhaust vents with grilles set at a 30- degree angle, which is optimal to pull the air in and push it out in a pattern that avoids re-circulating the same air over and over.
4) Why not just put a big UVC chamber in the central air duct and be done with it? + Pathogens are neutralized based on the time and intensity of exposure to UVC radiation. The air flowing through a central air duct system is too massive and flowing at such a rate it would not be feasible to build an adequate chamber. Typical flow rates are 400 to 1,000 cfm. Studies have shown that several lower irradiance UV lamps are more efficient than one high irradiance UV lamp. The Arcalux HRMS is a stand-alone system that combines the CDC’s four hierarchies of defense in the fight against HAI’s, at the source of infection: + Pressure + Filtration + Purification + Dilution
5) Have studies been done to verify the performance of the HRMS fixture? + Yes, Aerobiology Laboratory Associates, Inc. out of Dulles, VA conducted 4 separate clinical protocol tests against clinical bacterial pathogen, Serratia marcescens, and environmental bacteria, Bacillus atrophaeus, as well as Methicillin-resistant Staphylococcus aureus (MRSA) and Staphylococcus aureus. The HRMS passed all of these clinical tests with efficacy rates above 99.7%. Previously, Dr. Kowalski, a world-renowned authority on Airborne Pathogens, has verified performance based on computer modeling. Additionally, UVC technology has been in use for over 80 years and there are numerous studies by notable institutions such as Duke University Hospital and many others that have validated the effectiveness of UVC as a means to neutralize pathogens.
6)How does the HRMS affect the existing HVAC system? + The Arcalux HRMS does not affect the existing HVAC operation in any way. Our system merely re-circulates air within a space.
7) How long has UVC technology been used to kill pathogens? + This technology has been employed in surgical centers for 80 years.
8) Why not just use HEPA filters to filter the pathogens out of the air? + HRMS destroys pathogens at the source, far cheaper than trapping them in a filter that has to be changed frequently which is an expensive regimen.
9) What is involved in installing the HRMS, why not just roll a unit into the room? + The Arcalux HRMS replaces 2 x 4 fluorescent fixtures seamlessly. The HRMS is unobtrusive and economical compared to a stand-alone surface disinfection system rolled into the room. There are several stand-alone units that range, between $50,000 and $150,000 each. More importantly is the fact that the HRMS is the only system that can be operated while the patient and staff are in the space. Every other system on the market require that the space be vacant and for extended periods of time.
10) Wouldn’t it be cheaper to install one large unit into the HVAC system? + The HRMS is far less costly and more effective than upsetting the ductwork and current HVAC system with additional filters or pathogen destroying equipment.
11) How effective is the HRMS? + The HRMS fixture exposes pathogens to 15 Watts of High Output UVC rays with sufficient duration to neutralize up to 99% of the 44 pathogen types tested.
12) Is continually cleaning the air a better defense than using a mobile unit?Mobile disinfecting units cost 50 to 150,000 dollars. Mobile units clean surfaces. This is called a Terminal Clean: The room is disinfected, especially after treating a contagious disease. But one sneeze and the room is again contaminated. Our HRMS continually cleans the air as a first level defense.
13) Why can’t the cleaning staff just wipe down a room? Beyond just wiping down surfaces, the problem for hospitals is that an HVAC system constantly circulates air. Air from a sick patient in the Emergency room circulates into the entire HVAC system. Solution: Arcalux cleans continually everywhere it needs to be clean: Patient rooms, intensive care units, isolation rooms, triage, surgical suites (not operating rooms).
14) Does the eradication chamber need continual cleaning? No, the HRMS fixture uses a Merv 6 filter to capture dust ahead of the radiation chamber. The dust-free air maintains the efficiency and intensity of the radiation lamp. The Merv 6 filter and UVC lamp are changed annually. The Merv 6 filters dust but allows pathogens to pass through to the UVC chamber.
15) What is the energy usage this lighting product and how does it compare to a standard lighting fixture. The HRMS comes standard in a 2 lamp fluorescent configuration which consumes a mere 45 watts and the UV chamber and fans consume 50 watts – total system wattage is 95 watts. A standard 4 lamp T8 fluorescent lighting fixture consumes 114 watts.
16) What is the Kelvin Temperature for the HRMS? The Kelvin temperature of the standard fluorescent lamps which are 4100K. The UV lamp is not designed as a lumen producing lamp and is not visible to the consumer during operation.
17) What are the decibels of the HRMS? The Fans are rated at 30 decibels – this is the World Health Organization (WHO) recommended decibel level in hospitals. However, keep in mind the fans are above the ceiling line and enclosed within the HRMS and behind a door frame and a filter. The realized decibel level in the space would be less than the 30 decibel rating of the fans. The WHO recommends that average patient room noise levels remain around 30 decibels. According to Medscape Medical News, the recommended maximum noise level is 40 decibels. According to a recent study, the average sound level at hospitals is 48 decibels.
18) Is the filter in the HRMS considered a biohazard? If not why and is there a legal opinion? The MERV 6 filter (Minimum Efficiency Reporting Value) is a High Air Flow filter and is designed to trap dust and large air particulates, not spores, bacteria or viruses. These pathogens have much smaller micron sizes and flow through the filter. However, there is always the possibility that some of these pathogens may cling to the filter material. This filter should be disposed of with the same protocol that facilities use for disposal of any other high air flow filter currently in use. This filter is similar to the filters that are currently used in the HVAC system. 19) What is the length of the T8 or T5 fluorescent lamp and are they considered a biohazard? The fluorescent lamp is 33 inches in length, the UV lamp is 22.36 inches from end of lamp to end of pins and 22.047 inches from end of lamp to end of mounting base in length. Like every other fluorescent lamp, it contains a very small quantity of mercury. States that require fluorescent lamps to be disposed of as hazardous material, typically state that quantities of less than 20 lamps may be disposed of normally. With a bulk disposal of 20 or more lamps, procedures are established on a state by state basis as to the proper method of disposal. Hospitals that currently use fluorescent lamps as a means of illumination will already have protocols in place for lamp disposal provided their state has these requirements. These procedures would also apply to the disposal of the fluorescent and UV lamps removed from the HRMS. 20) Are there multiple power options for the light /UV on/off operations? The entire system is universal voltage and can operate on line voltage ranging from 105 – 300 volts. The fixture can be operated from a single power source that currently operates the existing lighting system. However, to achieve 24/7 operation of the UV system it is recommended that a separate power input be connected to the UV input. 21) What are the foot-candles? A. 5 feet beneath the fixture B. 4 feet from the floor 22) Is there a warranty for this product? The HRMS has a 5-Year limited warranty.