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GENERAL INSTALLATION STEPS 
(Collar Mount) (see Fig. 2) 

(Inlet collars are available as a kit from your 
distributor)

 

1. Before installing,  remove any  packaging. Open

the  door  and  remove  the  filters.  Remove  the
lower  panel  on  the  front  of  the  unit  to  remove
PCO and VOC filters and the lamps and gloves
which  were  packed  at  the  bottom  of  the  unit.
See Maintenance for instructions to remove the
filters.

2. This  unit  can  be  installed  with  collars  and

aluminum  flexible  ducting  if  desired. 

DO  NOT

use  plastic  duct. 

Openings  are  pre-punched

on  the  top  and  bottom  of  the  unit  for  this
purpose.  Remove  the  plastic  film  covering  the
holes  and  snip  out  the  joints  to  open  the  hole.

Do  not  open  the  holes  on  the  back  of  the
unit  if  you  are  collar  mounting  the  Air
Cleaner.

3. The  collar  is  installed  with  the  flange  on  the

inside of the cabinet with only the collar ring on
the outside of the cabinet. Compress the collar
until  you  can  insert the flange into the  opening
in  the  enclosure.  Enlarge  the  collar  to  its
maximum and install two screws into the ring to
hold it to the proper diameter. Turn the collar in
the hole until the holes in the enclosure line up
to  the  holes  on  the  collar  flange.  Secure  with
the screws provided.

4. The  intake  collar  on  the  return  duct  must  be

installed after the last return branch connection
on  the  plenum.  If  outside  air  is  introduced  into
the return air duct, either through a HRV (Heat
Recovery  Ventilator)  or  direct,  it  should  be
added  to  the  system  before  the  intake  inlet  to
the Air Cleaner.

5. The 8 inch intake collar (top) must draw air from

the return duct at a location that will be ahead of
the clean exhaust air, that will be returned to the
duct from the Air Cleaner.
An  8  inch  collar  will  be  installed  on  the  return
duct and a length of 8 inch flexible hose or duct
is  required  to  attach  between the  8 inch  intake
collar  and  the  collar  on  the  return  duct.  When
running  the  hose,  make  sure  that  there  are  no
kinks  or  sharp  bends  that  will  impede  the  air
flow  to the  unit.  Secure and seal  the  hose  and
connections to prevent air leakage.

6. The 8 inch exhaust collar can be mounted in the

same  manner  to  the  bottom  of  the  unit.  An  8
inch  collar  will  be  installed  on  the  return  duct
close  to  the  furnace  and  a  length  of  8  inch
flexible  hose  or  duct  is  required  to  attach
between the exhaust collar and the collar on the
return duct. 

Do Not use plastic duct. 

The ideal

location is low on the return air boot pointing at
the  furnace.  To  prevent  air  shear  inside  the
duct,  it  is  recommended  that  you  install  a
deflector  inside  the  boot,  so  the  discharged  air
is  deflected  down  into  the  boot.  When  running
the hose, make sure that there are no kinks or
sharp  bends  that  will  impede  the  air  flow  from
the  unit.  Secure  and  seal  the  hose  and
connections to prevent air and UV light leakage.

Fig. 2 – Collar Mount Installation 

WARNING 

If  the  top  and  bottom  openings  are  being  used  to 
install  this  Air  Cleaner,  ducting 

MUST

  be  installed  to 

ensure no light escapes from the unit. 

Fig. 3 – Self-Contained Basement Installation 

Alternate Installations 

Summary of Contents for DM900UV-VO-WHT-VS

Page 1: ...icidal Lamps CinQuartz Photo Catalytic Oxidation Filter removes unpleasant odors and Volatile Organic Compounds Carbon Potassium Permanganate Final Filter removes non organic gases Kills or inhibits b...

Page 2: ...ime and redecorating costs Provides a healthier more comfortable environment year round HOW IT WORKS Millions of airborne pollutants are carried through the return air ducts of the heating cooling sys...

Page 3: ...the holes on the top or bottom of the unit if you are duct mounting the Air Cleaner Bend all the flaps outward slightly less than 90 degrees except for the upper bottom flap which is only bent up 45 d...

Page 4: ...direct it should be added to the system before the intake inlet to the Air Cleaner 5 The 8 inch intake collar top must draw air from the return duct at a location that will be ahead of the clean exha...

Page 5: ...cord to be placed where it may be walked on or allow anything to roll over it MAINTENANCE For efficient operation the filters must be changed on a regular basis If you notice a reduction in air flow f...

Page 6: ...ncy of the HEPA filter Note Handle the HEPA filter by the frame only The paper is fragile and a puncture or tear will reduce efficiency Replacing the UVC Lamps PCO Filter and Final Filter 1 To change...

Page 7: ...ced UVC Lamp PCO Maintenance Kit DM900 1002 Contains 2 UVC lamps 2 lamp support clips 1 PCO filter and gloves Complete 2 Year Maintenance Kit DM900 1003 Contains 1 HEPA filter 4 carbon prefilters 2 UV...

Page 8: ...All implied warranties including implied warranties of merchantability are hereby limited in duration to the period for which the limited warranty is given The expressed warranties made in this warran...

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