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 PUREAIR AIR PURIFICATION SYSTEM

PHOTOCATALYTIC OXIDATION (PCO) TECHNOLOGY

Dimensions and Specifications

10

(254)

A

B

PCO14-23

23 (584)

21-1/8 (537)

Model

A

B

PCO16-28

PCO20-28

28-1/2 (724)

21-1/8 (537)

28-1/2 (724)

16-1/2 (419)

Figure 3. Dimensions and Specifications

WEIGHT

PCO14-23

34 lbs.

PCO16-28

36 lbs.

PCO20-28

39 lbs.

ELECTRICAL

PCO14-23

120V, 50/60 Hz, 
1.2 Amps -- Maximum,
230 V, 50/60 Hz, 
0.65 Amps -- Maximum

PCO16-28

PCO20-28

POWER CONSUMPTION

120VAC

144 Watts Nominal

230VAC

150 Watts Nominal

OPERATING ENVIRONMENT

0°F to 140°F outside of duct.
10 to 60 percent relative humidity.
(Optimal performance at 50 percent relative humidity)

PLEATED FILTER EFFICIENCY

Minimum Efficiency Rating Value (MERV) 16.

LISTINGS

ETL safety listing report 3061144A. Conforms to UL STD
1598. Certified to CSA STD C22.2 no. 250.0.

Approximate Air Flow Resistance (Cabinet and Filter)

Capacity

(Tons)

Flow
Rate

(CFM)

Pressure Drop (in. w.g.)

PCO14-23

PCO16-28

PCO20-28

2

800

0.12

0.11

0.09

2.5

1000

0.17

0.15

0.12

3

1200

0.22

0.20

0.16

3.5

1400

0.28

0.25

0.19

4

1600

*

0.30

0.23

4.5

1800

*

*

0.28

5

2000

*

*

0.32

*Not recommended. Excessive system pressure drop can
damage HVAC system and reduce performance.

Installation

Select a Location

The PCO must be installed in the return air duct upstream
of the supply blower. Allow a 30-inch service clearance in
front of the access door as shown in figure 4. The control
box, pleated filter and PureAir Insert must be removable.

Allow Approximately

30” of Clearance

Figure 4. Service Clearance

NOTICE

The PCO should be installed so that the lamps will
be in the horizontal position.

If the PCO must be installed with the access panel
pointing upward and the lamps suspended vertical­
ly from the sockets, retaining clips are required to
lock the lamps in the sockets. Contact the Technical
Support Department at 1-800-953-6669 for addition­
al information.

Summary of Contents for PCO14-23

Page 1: ...n system It may take up to 48 hours after initial system start up to reduce the airborne chemicals that have built up in a home over a long period of time For peak performance unit should be installed in homes with TVOC levels that are less than 1000 micro gram cubic meter Home source removal and ventilation may be required to lower TVOCs to this level NOTICE This system is NOT intended to be used...

Page 2: ...e would be restricted A metal transition should be used The transi tion must be planned for each job Reduction should not be more than 4 inches per linear foot approximately 20 angular degrees Note At sharp turns install turn ing vanes before the PCO Upflow Side Installation Upflow Side installation with PCO access panel pointed upward and lamps suspended vertically NOT RECOMMENDED Contact the Tec...

Page 3: ...Resistance Cabinet and Filter Capacity Tons Flow Rate CFM Pressure Drop in w g PCO14 23 PCO16 28 PCO20 28 2 800 0 12 0 11 0 09 2 5 1000 0 17 0 15 0 12 3 1200 0 22 0 20 0 16 3 5 1400 0 28 0 25 0 19 4 1600 0 30 0 23 4 5 1800 0 28 5 2000 0 32 Not recommended Excessive system pressure drop can damage HVAC system and reduce performance Installation Select a Location The PCO must be installed in the ret...

Page 4: ...these components remain clean until the cabinet installation is completed Reflector Lamp Socket Lamp Lamp Securing Clip Slide lamp pins into lamp socket and pivot lamp inward onto lamp securing clip Pins Figure 5 Lamp Installation Top View CAUTION Lamps contain mercury Ingestion of or contact with mercury or mercury va por is hazardous to your health Take care when handling lamps If lamp is broken...

Page 5: ...ceptacle on the PCO cabinet and the other end into a power receptacle 5 Look through the view port in the access door to check that the lamps are illuminated NOTE On initial start up the lamps may not reach full illumination for several minutes CAUTION Ultraviolet UVA radiation risk Prolonged exposure may cause skin or eye damage Avoid prolonged weeks exposure to skin or eyes NOTICE MERV 16 filter...

Page 6: ...ment MERV 16 filter UVA lamps and PureAir Insert which are provided in the Replacement Kit Remove all protective wrapping materials 2 Unplug the power cord and remove the PCO access door 3 Slide out the control box assembly and remove the existing MERV 16 filter 4 Check air flow direction of the MERV 16 filter and insert replacement filter into the PCO cabinet 5 Remove the existing PureAir Insert ...

Page 7: ...for the troubleshooting flow chart Annual Maintenance Kits The Annual Maintenance Kits include one MERV 16 filter one PureAir Insert and two lamps Kit part numbers are as follows Part Description Part Number PCO14 23 PCO16 28 PCO20 28 Annual Maintenance Kit X8797 X8796 X8795 Replacement Parts Replacement parts are available through Lennox see figure 1 Page 2 for parts arrangement Part description ...

Page 8: ...otector and ballast Replace any burned out or damaged components and plug unit in Is there power to PCO Are lamps lit Are lamps lit Gently pull on lamp to make sure the lamps are in place Did lamps light YES STEP INPUT OUTPUT WIRE TERM COLOR NORMAL READING SERVICE ACTION See wiring diagram Figure 7 Page 5 SPM 1 INPUT BLACK 105 Replace input power connection or socket if less than 105 VAC WHITE 2 R...

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