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 UV-Aire
™
Air Purifying System out of the plenum. Avoid touching the glass portion of the lamp with your hands.
Page 5 of 12
d.
Insert the Duo unit into the duct opening and attach it to
the duct (or Ductboard Adapter Plate) with the four included
sheet metal screws. The wider side of the V-shape of the Duo
unit panels should face into the oncoming airstream, see Figure 2.
e.
The Duo models are confi gured for upward or horizontal air
fl ow direction as shipped. If the direction of airfl ow in the duct
is downward, the whole Duo unit may be rotated, so that airfl ow
matches Figure 2.
NOTE: The white plastic base has a round sight glass hole for
observing the lamp inside the duct (the sight glass may be
seen above the center hole in the mounting base in Figure
3). There is a pair of holes in the Duo mounting fl ange that
allow the sight glass in the base to align with, in either
position.
f. Insert the UVC lamp pins into the ballast socket (see Figure 4).
Note: The lamp has one long pin that must be aligned with the
recessed terminal in the ballast socket. Do
NOT
directly touch
the bulb lamp glass section with bare hands. Wear oil-free
cotton type gloves when handling germicidal glass bulb.
Figure 3
Figure 4
g.
Carefully insert the lamp through the center of the white plastic mounting base, align the ballast with the
power cord pointing 90 degrees to the right of the round sight glass, and engage the ballast onto the
base by rotating the ballast ¼ turn to the right (see fi gures 4, 5 and 6). Note: the safety switch actuating fi nger
that protrudes from the mounting base must engage into the slot in the inside of the ballast. The slot is
visible above the ballast socket in Figure 4.
P/N 46648100 09/18 Rev J
Figure 2
