Air Knight TT-AK245-V2 User manual

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OWNER’S MANUAL
TT-AK245-V2 - 5” MODEL TT-AK249-V2 - 9” MODEL
®
AIR PURIFICATION SYSTEM
AIR KNIGHT

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BEFORE INSTALLATION
UNIT COMPONENTS
INSTALLATION HARDWARE
(2) 1/2” #10 Self Tapping Screws w/ 5/16” Hex
Head
(4) 1/2” Brass Knurled Thumb Nuts #8-32
(4) #8 Star Lock Washers
(5) 3/4” #8 Self Tapping Screws w/ 1/4” Hex Head
(5) 3” Threaded Bolts w/ Phillips Head
(5) Butterfly Toggle Bolt Anchors
(6) 18-22 Gauge Wire Screw-On Nuts
40Va Transformer
• Read all instructions carefully. Failure to do so could damage the equipment
or cause harm to yourself or others.
• Acknowledge all warnings.
• Only qualified technicians should perform the installation.
Safety Switch
Replaceable PX5 Core
(Includes UV Lamp)
Power Module with 24V Auxiliary Input
UV Lamp Indicator Mounting Plate

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©2021 Carrier Enterprise • www.airknightiaq.com • 215458-00 Rev 1B 08/21
SPECIFICATIONS
NOTICE
Qualified Technicians Only.
This device must be installed in compliance with all national and local electrical
and mechanical codes. Failure to do so will void Dust Free®Warranty.
AIR KNIGHT® 5" AIR KNIGHT® 9"
MODEL
DIMENSIONS
MOUNTING PLATE
ELECTRICAL
POWER CONSUMPTION
AIRFLOW
WARRANTY
PART #
REPLACEMENT CELL PART #
6.5”H X 6”W X 8.5"L
8"H x 8"W
AC 24V 50/60Hz. Expanded range ballast.
13.3 Watts
Suitable for up to 2.5 ton systems Suitable for 3+ ton systems
5-yr power supply. 2-yr cell.
TT-AK245-V2
TT-AKCELL-5
TT-AK249-V2
TT-AKCELL-9
6.5”H X 6”W X 11.75"L
Specifications subject to change without notice.
As additional safety support, the Air Knight product-line has received the following
universally accepted UL certified listings; UL 1598, UL 1995, UL 867, CSA C22.2 No. 250.0
and CSA C22.2 No. 236. We are not aware of any other manufacturer of in-duct Pro-Active
Air Purifiers that has received design validation from UL.
U.S. Patent Nos.: 5,334,347, 5,817,276, 6,245,293, 6,267,924, 6,280,686, 6,313,470, 6,627,000, 6,539,727,
6,932,494, 6,550,257.
EPA Device Manufacturer Establishment No. 73316-TX-1
The product and technologies described are not medical devices, and are not intended to diagnose,
treat, cure, or prevent any disease or illness.

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Be sure to orient the unit for proper
airflow through the PX5 core in either
horizontal or vertical air flow systems.
Air should be able to freely flow
through PX5 core as shown.
Remove air flow tag BEFORE
installation.
Air Handler
24V Power
Min. 8" x 8"
1. Unit should be installed after the air
handler or furnace in the HVAC system,
prior to any branch duct takeoffs.
2. The ductwork around the installation
area should be clean and dry to insure
proper adhesion of the gasket materials
and any tape used.
3. An approximate 4" opening will need
to be cut into the existing ductwork to
install unit properly.
INSTALLATION NOTES
AIRFLOW ORIENTATION
NOTICE
Qualified Technicians Only.
This device must be installed in compliance with all national and local elec-
trical and mechanical codes. Failure to do so will void Dust Free®Warranty.
Fig. 1 HVAC system.
Fig. 2 Orient core in proper airflow direction.

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©2021 Carrier Enterprise • www.airknightiaq.com • 215458-00 Rev 1B 08/21
METAL DUCTWORK INSTALLATION
FIBERGLASS DUCTWORK INSTALLATION
• Locate a suitable area of the duct
for installation. Minimum 8" area.
If needed, cut away insulation to
expose metal duct.
• Mark location for 4" opening using
the included mounting plate as a
template.
• Cut opening for the device.
• Remove the backing from the
mounting plate gasket, center
mounting plate over opening, and
press onto the duct. The adhesive
gasket will hold the mounting plate
in place.
• Secure the mounting plate using self-
tapping screws.
• Insert device into opening and secure
with knurled nuts.
Note: Be sure airflow will pass in the
proper direction as indicated by the
arrow on the top of the core. (See
fig.3)
• Connect to proper power and test
operation. The operation indicator
light on the face of the device should
be on.
For fiberglass ductwork installations, follow metal ductwork installation
steps, but use 3" toggle bolts to attach mounting plate.
WARNING
UV Light Hazard.
Can cause serious eye and skin
damage.
Do not look at UV-C light. Wear UV-C
eye and skin protection
Fig. 3 Cut opening in duct, attach mounting plate, and
install device.
WARNING
Electric Shock Hazard.
Can cause injury or death.
Electrical wiring of the unit to the
HVAC system should be done by a
licensed HVAC technician or
electrical installer.

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WARNING
Mercury Hazard. Do Not Break.
UV-C lamp contains a small amount of Mercury. May cause redness or irritation.
Manage in accordance with disposal laws. www.lamprecycle.org
DISPOSAL OF PX5 CORE AND UV LAMP
MAINTENANCE/UV LAMP INDICATOR
Dispose of spent PX5 core and UV lamp at your local recycling center.
You may also send your spent PX5 core and UV lamp, in the same
container you received your replacement, to:
Air Knight Reclamation:
1112 Industrial Drive
Royse City, TX 75189
For optimal performance, replace the PX5 core w/UV lamp (5” core -
#TT-AKCELL-5, 9” core - #TT-AKCELL-9) every 2 years, even if the UV
lamp appears to be operating normally.
The UV lamp operation indicator on the
face of the unit will glow when the UV
lamp is in use. If the indicator does not
glow and the unit has power, the PX5
core should be replaced.
Hg-LAMP CONTAINS MERCURY Manage in accord with disposal laws.
See: www.lamprecycle.org

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©2021 Carrier Enterprise • www.airknightiaq.com • 215458-00 Rev 1B 08/21
CHANGING THE CORE OR UV-C LAMP
• Disconnect the device from power.
• Removed the knurled nuts securing
the device and remove the device
from the core.
• Remove the screws securing the
core.
• Remove the core from the device
and dispose of properly. Note: If only
changing the UV-C lamp, detach
lamp from device and dispose of
properly.
• Secure the new core or new UV-C
lamp to the device.
• Reverse the previous steps to return
the device to operation.
WARNING
UV Light Hazard.
Can cause serious eye and skin
damage.
Do not look at UV-C light. Wear UV-C
eye and skin protection
Fig. 4 Replace core and UV-C lamp every
2 years.
UV-C Lamp
Core
WARNING
Electric Shock Hazard.
Can cause injury or death.
Electrical wiring of the unit to the
HVAC system should be done by a
licensed HVAC technician or
electrical installer.

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LIMITED WARRANTY
This warranty supersedes and replaces any warranty statements made orally by the Sales Person,
Distributor, or Dealer, or contained within the written instructions or other brochures or informational
documents related to this product.
Dust Free®, LP (Dust Free) warrants to the original purchaser that the Air Knight® Active Air Purifier
(other than the PX5™ core and the UV Lamp) shall be free from defect in material and workmanship
under normal use and service, for a period of five (5) years from the date of original purchase.
Dust Free warrants to the original purchaser that the PX5 Core, Lamp and Catalyst Cell shall be
free from defect in material and workmanship under normal use and service, for a period of two
(2) years from the date of original purchase. Dust Free’s obligation under this warranty shall be
limited to the repair or replacement of those goods which prove defective, provided that such
products are installed, maintained, and operated for the purpose and in the manner intended and
for which Dust Free instructs or recommends. Neither Dust Free nor its dealers shall be liable for
any special or consequential damages directly or indirectly arising from the design, construction,
installation, servicing, or operation of the goods. SOME STATES DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE EXCLUSION MAY
NOT APPLY TO YOU. THIS IS DUST FREE‘S SOLE WARRANTY AND THERE ARE NO WARRANTIES
THAT EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF. NEITHER DUST FREES NOR
ITS DEALERS MAKE ANY OTHER WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED
DUST FREES’ AFFORESTATED OBLIGATIONS ARE HEREBY DISCLAIMED AND EXCLUDED FROM
THIS WARRANTY. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED
WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU. THIS WARRANTY GIVES
YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM
STATE TO STATE. DUST FREE‘S AND ITS DEALER’S LIABILITY UNDER THIS WARRANTY SHALL IN
NO EVENT EXCEED THE COST OF THE GOODS SOLD UNDER THE CONTRACT OF SALE.
Dust Free neither assumes, nor authorizes any person to assume for it, any obligation in connection
with the goods. This warranty shall not apply to any goods: (a) which have been subjected to
misuse, tampering, negligence, or accidents; (b) the serial numbers of which have been altered,
defaced, or removed; or (c) which have been used in a manner contrary to Dust Free‘s instructions or
recommendations. This warranty may not be assigned or transferred. If any portion of this limited
warranty is held illegal or unenforceable by reason of any law, such partial illegality or unenforceability
shall not affect the enforceability of the remainder of this limited warranty.
For Warranty Claims:
By Telephone: Call Dust Free® at 1-972-635-2323, and ask to speak with a Customer Service
Representative regarding a potential Warranty Claim. The Customer Service Representative will
provide further instructions.
By Website: Visit Dust Free’s website at www.dustfree.com and click on the “Contact” link to report
a potential Warranty Claim. A Customer Service Representative will reply by email and can provide
further instructions.
Dust Free®, LP, PO Box 519, Royse City, TX 75189. Please do not mail Warranty Claim requests or your
product to this address. Warranty Claim requests are only accepted by telephone and through the
website.
Include a copy of your Bill of Sale, Invoice or Receipt of Purchase, with an explanation of the problem
or defect.