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INSTRUCTIONS
Always make sure the Pentair® ComAir 20T system is unplugged
during installation or service.
The ultaviolet light (UV) produced by the UV lamps
WARNING:
is harmful to the eyes. Do not look directly at the
lamps. Should it become necessary to look at
the lamps, use UV-protected sunglasses.
1. Save these instructions. Before using, please read the owner's
manual carefully.
2. Disconnect power before servicing.
3. Do not operate the system with the cover removed.
4. Do not use an extension cord.
5. ComAir 20T should be cleaned with a damp cloth. Avoid using
harsh chemicals, abrasives, or cleaners.
The system has only been evaluated for mechanical,
WARNING:
electric shock, and fire hazards. The method to control
ozone release or the effectiveness of the water
treatment has not been investigated.
For indoor use only. This unit is not intended for
WARNING:
outdoor use.
6. Fully install system in the duct before plugging it into power.
7. This system is not intended for use by persons with reduced
physical, sensory or mental capabilities, or lack of experience
and knowledge.
8. If the supply cord is damaged, it must be replaced by the
manufacturer, its service agent, or similarly qualified persons in
order to avoid a hazard.
ComAir 20T
THEORY OF OPERATION
AND PRODUCT DESCRIPTION
The Pentair® ComAir 20T is a powerful, commercial-grade
HVAC sterilization system designed to reduce indoor airborne
contaminants and unwanted odors, leaving behind fresh, cleaner
air. Installed in the centralized HVAC system of your commercial
space, the ComAir 20T provides "double-layered" protection with
two specially-designed ultraviolet (UV) lamps.
The ozone lamp creates light at 185nm, which is easily absorbed by
oxygen molecules. This added energy causes the oxygen molecules
to break apart into single oxygen atoms, which then combine with
other oxygen molecules to create ozone.
The germicidal lamp creates light at 254nm, which is absorbed by
DNA molecules in unwanted pathogens. The extra energy disrupts
the DNA molecule inhibiting the pathogen from reproducing.
The ComAir 20T is designed to install easily into the air duct,
placing the ozone UV lamp, germicidal UV lamp, and an airflow
sensor into the air stream. As air passes through the air duct, the
airflow sensor will initiate power to both UV lamps. Incoming air will
first pass by the high-powered germicidal UV lamp.
The ComAir 20T will reduce pathogens in the air stream as the
Ultraviolet light disrupts their DNA. As the air continues to travel
down the duct, the air will pass by the ozone lamp, where a small
amount of ozone will be created in the airflow. This ozone will
then travel with the air through the ducting, where its oxidation of
pathogens and other contaminants occurs.
An optional ozone sensor allows the ComAir 20T to regulate the
ozone output levels produced within the ducting. This adds an extra
level of assurance against pathogens in the occupied space. An
optional remote display allows the ComAir 20T to be monitored and
controlled in a more convenient location.
Typical ComAir 20T Installation
Optional
Remote
Display
Figure 1
Optional Ozone
Controller
Pentair® ComAir 20T Installation and Operation Guide • 3
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