WARNING:
Never expose eyes or skin to UVC light from any source. Looking directly at the UVC light may cause permanent eye damage
or blindness.Never operate the Duo-2000 Air Purifying System out of the plenum. Avoid touching the glass portion of the lamp with your hands.
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WARNING: Never expose eyes or skin to UVC light from any source.
WARNING: Never expose eyes or skin to UVC light from any source.
• Looking directly at the UVC light may cause permanent eye damage or blindness.
• Never operate the Duo-2000 Air Purifying System out of the plenum.
• Designed for a closed duct system. Do not mount near a supply or a return air opening.
• All duct openings in direct line of site of the UV light must be sealed with aluminum tape or equivalent
sealing methods.
WARNING: UV light will break down plastic materials not rated for UV exposure:
WARNING: UV light will break down plastic materials not rated for UV exposure:
(Examples: wire insulation, fl ex duct, drain pans and humidifi ers)
• The unit must be mounted at least 30" from the above stated type of materials.
• If it is necessary to mount the unit in direct line of site of these types of materials, they must be shielded
with aluminum foil, aluminum foil tape, or sheet metal.
WARNING: DO NOT mount this unit outdoors.
WARNING: DO NOT mount this unit outdoors.
• This product is designed for indoor installation only (i.e. attics, crawl spaces, basements, etc.).
WARNING: Never touch broken lamp or internal contents of lamp. The lamp contains mercury.
WARNING: Never touch broken lamp or internal contents of lamp. The lamp contains mercury.
• After opening the carton, unpack and inspect the unit and lamp for damage. Do not install this unit if
anydamage is noticeable. If lamp is damaged, cracked or broken, do not touch lamp or other contents in
carton. Close carton and return to seller immediately.
• In case of accidental exposure to internal contents of lamp, wash hands and any other affected
skin area with mild detergent. Remove affected clothing immediately. If skin surface is pierced, seek
medical attention immediately.
NOTE:
If you touch the glass of the lamp, you should wipe the glass clean with isopropyl alcohol and
a lint free wipe. If the lamp is not cleaned, the fi lm of hand oils causes a reduction in the light intensity.
WARNING: Before installing or servicing a humidifi er, air fi lter, HVAC system, or this unit, etc., always
WARNING: Before installing or servicing a humidifi er, air fi lter, HVAC system, or this unit, etc., always
turn all power OFF and have unit unplugged. Electrical shock can cause personal injury or death. Never
turn all power OFF and have unit unplugged. Electrical shock can cause personal injury or death. Never
expose eyes or skin to direct UVC light from any source.
expose eyes or skin to direct UVC light from any source.
WARNING: To prevent water damage or electric shock, do not mount unit under a humidifi er.
WARNING: To prevent water damage or electric shock, do not mount unit under a humidifi er.
WARNING: This product is designed for indoor installation only (i.e. attics, crawl spaces, basements, etc.).
WARNING: This product is designed for indoor installation only (i.e. attics, crawl spaces, basements, etc.).
For use on gas fi red, oil fi red, electric and split system heat pump forced air systems.* This product is NOT
For use on gas fi red, oil fi red, electric and split system heat pump forced air systems.* This product is NOT
designed to be mounted outside on gas fi red or heat pump packaged units.**
designed to be mounted outside on gas fi red or heat pump packaged units.**
* Split system heat pumps are systems where the air handler and the air conditioning compressor are
* Split system heat pumps are systems where the air handler and the air conditioning compressor are
separate units.
separate units.
**Packaged units are systems where the air handler and the air conditioning compressor are built together
**Packaged units are systems where the air handler and the air conditioning compressor are built together
and are installed outside of the building.
and are installed outside of the building.
GENERAL INFORMATION
The Duo-2000 unit uses technology that is recommended by doctors who state that "ultraviolet radiation,
properly integrated with heating, ventilating, and air conditioning systems, shows the most promise as a
widely applicable means of air disinfection".
1
P/N 46638600 09/18 Rev E
1
Richard Riley, M.D. “Airborne Infection: The American Journal of Medicine,
September 1974, Vol. 57 - 5/16/01
The health aspects associated with the use of these products and their ability to
aid in disinfecting of environmental air have not been investigated by UL.
SAFETY CONSIDERATIONS