Table of Contents
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2018 Lennox Industries Inc.
©
Dallas, Texas, USA
MODELS PCO3S-14-16, PCO3S-16-16 AND PCO3S-20-16
THIS MANUAL MUST BE LEFT WITH THE OWNER FOR FUTURE REFERENCE
Shipping and Packing List ...........................................2
Models ...........................................................................2
Application ....................................................................2
Parts Identification .......................................................3
Dimensions and Specifications ..................................4
Installation Examples ...................................................6
Unique Field-Supplied Installation Items .....................7
Installation .....................................................................7
Selecting Location .......................................................7
Installing Cabinet .........................................................7
Installing UVA Lamp ....................................................7
Installing UVA Lampholder ..........................................8
Installing Air Filter ........................................................8
Wiring ............................................................................9
Communication Wiring ................................................9
Communication Wiring Routing ...................................9
PureAir S Internal Factory Wiring ................................9
Communicating Control Functions ..........................10
PCO Model (H2) Jumpers .........................................10
Change Lamp Reset (SW1) ......................................10
Change Filter Reset (SW2) .......................................10
Control Manual Reset ...............................................10
Lennox S30 Thermostat Setup ..................................10
System Setup (Commissioning) ................................10
Reminders .................................................................11
AIR CLEANERS / FILTERS
507785-01
2/2018
INSTALLATION INSTRUCTIONS FOR
Table of Contents
Air Purification System
CAUTION
UVA Lamp contains mercury.
Ingestion of or contact with mercury or mercury vapor is
hazardous to your health.
Take care when handling UVA lamp. If UVA lamp is broken,
avoid contact with mercury.
WARNING
Electric shock hazard.
Can cause injury or death.
Disconnect all electrical power supplies before servicing.
Access panels must be in place during appliance
operation.
Adding PureAir S to Existing System ........................11
Dealer Control Center ................................................11
Notifications (Alert Codes) ........................................12
Tests and Diagnostics Function ................................12
Installation Report .....................................................12
Alert Codes .................................................................12
Soft Disable ...............................................................12
Alert Code Types .......................................................13
Operation .....................................................................14
UVA Lamp Replacement ............................................15
Annual Maintenance Kits ...........................................15
Replacement Parts .....................................................15
Lampholder and Air Filter ..........................................15
Proper Clean-Up of Broken UVA Lamp .....................16
Troubleshooting Flow Chart ......................................16
PureAir™ S
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Related Manuals for Lennox PureAir PCO3S-14-16
Summary of Contents for Lennox PureAir PCO3S-14-16
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Page 1: Table Of Contents
PureAir S Internal Factory Wiring ........9 Troubleshooting Flow Chart ........16 Communicating Control Functions ......10 PCO Model (H2) Jumpers .........10 Change Lamp Reset (SW1) ........10 Change Filter Reset (SW2) ........10 Control Manual Reset ..........10 Lennox S30 Thermostat Setup ........10 System Setup (Commissioning) ........10 Reminders ..............11... -
Page 2: Shipping And Packing List
PureAir S features. Assembled PureAir S air purification system which includes: New features included are: • Cabinet (1) • 4-wire connection to Lennox communicating indoor • UVA Lampholder / PCO cartridge (secure to interior unit control of cabinet) (1) •... -
Page 3: Parts Identification
Parts Identification Healthy Climate Carbon Cabinet Clean 16 Air Filter Communication Control UVA Lampholder / Access Panel PCO Cartridge Rear Mounting Bracket UVA Lamp Ballast UVA Lampholder / PCO Cartridge UVA Lamp Light Sensor UVA Lamp UVA Lamp Electrical Connector UVA Lamp Viewer Power Cord Opening Figure 1. -
Page 4: Dimensions And Specifications
Dimensions and Specifications imensions 8-3/4 (222) 11/16 (17) 1-3/4 1-3/4 (33) (33) 1-5/16 (33) UVA Lamp Sight Glass Power Connection INLET AND OUTLET OPENING SAME SIZE 1-5/16 (33) NOTE - Airflow may be reversed by rotating the unit AIR FLOW top for bottom. - Page 5 Low / 0.07 0.07 0.06 Variable during this period. If the irritation or discomfort lasts longer than 48 hours, the homeowner should be advised to 0.11 0.11 0.08 contact a Lennox dealer. 1000 0.15 0.15 0.11 1200 0.20 0.20 0.15 IMPORTANT 1400 0.25...
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Page 6: Installation Examples
PCO3S OPTIONAL RAB RETURN AIR BASE SUPPLY DUCT PCO3S NOTE: Lennox badge can be rotated 180 degrees for this application. UPFLOW FURNACE (Option 2 − Side Return Air − 5 ton) (Modified Return Air Opening) HORIZONTAL FURNACE/AIR HANDLER DUCT TRANSIITON... -
Page 7: Unique Field-Supplied Installation Items
5. Use field-provided aluminum foil tape or water-based niqUe ielD UpplieD nstallation tems mastic to seal all joints between the cabinet, air handler The following items are recommended to have on-hand for and duct. installation of the unit. 6. In high humidity applications, wrap cabinet with field- •... -
Page 8: Installing Uva Lampholder
8. Rotate the hinged control panel assembly out. NOTE: There is an arrow on the front of the component indicating the correct way to install it. 3. Connect UVA lamp 4-pin male connector to ballast female 4-pin connector. BALLAST FOUR PIN FEMALE CONNECTOR ROTATE OUT THE CONTROL PANEL... -
Page 9: Wiring
Communicating systems requires four thermostat wires The should be wired in accordance with national and local between the PureAir S and the Lennox Communicating codes. Indoor Control. When a thermostat cable with more than four wires is used, the extra wires must be properly connected to avoid electrical noise. -
Page 10: Communicating Control Functions
> settings > advanced settings > view dealer Jumper control center > equipment > reset > reset HVAC Figure 13. Model Jumper Selection equipment. (sW1) Lennox S30 Thermostat Setup hange eset After bulb replacement, press and hold for three seconds ystem etUp ommissioning SW1 - Change Lamp button. -
Page 11: Reminders
(see “Figure 15. disabled Equipment Found” on page 10). NOTE: The Lennox S30 thermostat must have firmware version 3.4 or later for compatibility with Lennox Pure Air S Air Purification System. done Figure 16. -
Page 12: Notifications (Alert Codes)
The following is a complete list of all possible parameters listed under System. Parameters actually available are dependent on the Lennox communicating equipment type detected and non-communicating equipment added. From the Dealer Control Center Screen, go to equipment > PureAir. There you will find the applicable parameter settings for PureAir S. -
Page 13: Alert Code Types
What does minor and moderate mean? Cycle power to the PureAir S. • Minor is information only, helps Lennox interpret test results, understand complicated behavior. 1. Go to the menu > settings > advanced settings > view dealer control center. Touch proceed to •... -
Page 14: Operation
NOTE: If air handler does not provide a continuous low blower speed option, an additional blower relay should be installed. Use Lennox part number 1. Check to ensure that access panel is securely in place. 45H03. Contact the Lennox Application Department 2. -
Page 15: Filter, Uva Lampholder / Pco Cartridge And Uva Lamp Replacement
Replacement Parts 9. Remove both brass finger nuts that secure the UVA lamp elector connector to the UVA Lampholder / PCO Replacement parts are available through Lennox, see cartridge. “Figure 1. Parts Identification” on page 3 for parts 10. Slide out UVA lamp from UVA Lampholder / PCO arrangement. -
Page 16: Proper Clean-Up Of Broken Uva Lamp
UVa l • Sweep broken glass and debris into a plastic bag and roper lean p of roken seal before disposal in accordance with instructions If UVA lamp is broken, it must be disposed of properly. provided by local waste management office. •...