Lennox PureAir PCO3S-20-16

AIR CLEANERS / FILTERS
©
2018 Lennox Industries Inc.
Dallas, Texas, USA
PureAir™ S
Air Purication System
507785-01
2/2018
INSTALLATION INSTRUCTIONS FOR
MODELS PCO3S-14-16, PCO3S-16-16 AND PCO3S-20-16
Table of Contents
Shipping and Packing List ...........................................2
Models ...........................................................................2
Application ....................................................................2
Parts Identication .......................................................3
Dimensions and Specications ..................................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
Adding PureAir S to Existing System ........................11
Dealer Control Center ................................................11
Notications (Alert Codes) ........................................12
Tests and Diagnostics Function ................................12
Installation Report .....................................................12
Alert Codes .................................................................12
Soft Disable ...............................................................12
Alert Code Types .......................................................13
Operation .....................................................................14
Filter, UVA Lampholder / PCO Cartridge and
UVA Lamp Replacement ............................................15
Annual Maintenance Kits ...........................................15
Replacement Parts .....................................................15
Removing and Installing UVA Lamp,
Lampholder and Air Filter ..........................................15
Proper Clean-Up of Broken UVA Lamp .....................16
Troubleshooting Flow Chart ......................................16
THIS MANUAL MUST BE LEFT WITH THE OWNER FOR FUTURE REFERENCE
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.

Lennox PureAir PCO3S-20-16 Specifications

General

Product Type	Air Cleaner
Model Number	PCO3S-20-16
Brand	Lennox
Series	PureAir
Coverage Area	Up to 2000 sq. ft.
MERV Rating	16
Filter Type	Photocatalytic Oxidation (PCO)
Voltage	120V
Installation Type	In-duct
Application	Residential

Summary

Safety and System Overview

Hazard Warnings

Covers electrical shock and mercury hazards associated with the unit.

Shipping and Packing List

Details the components included in the PureAir S air purification system.

Application and Models

Describes the system's air purification technology and model numbers.

Component Details and Specifications

Parts Identification

Visual identification of key components of the PureAir S system.

Dimensions and Specifications

Provides physical dimensions and technical operating specifications for the models.

Airflow Resistance Data

Presents pressure drop data for various airflow rates and important usage notes.

Installation Guide

Installation Examples

Illustrates various installation scenarios with different HVAC units.

Field-Supplied Items and Preparation

Lists required field-supplied items and preparation steps for installation.

Cabinet and UVA Lamp Installation

Guidance on choosing the unit's location and installing the UVA lamp.

Air Filter and Lampholder Installation

Steps for installing the air filter and UVA lampholder.

Wiring, Controls, and System Setup

Wiring Requirements

Details communication wiring and routing for the system.

Control Functions and Jumpers

Explains PCO model jumper settings and control functions.

Thermostat and System Commissioning

Covers Lennox S30 thermostat setup and system commissioning process.

Operation, Maintenance, and Troubleshooting

Equipment Parameters and Notifications

Lists system parameters, alert codes, and notification screens.

Alert Codes and Troubleshooting

Details various alert codes, their conditions, and troubleshooting steps.

Operation and Maintenance Kits

Covers system operation, annual maintenance kits, and replacement parts.

Broken Lamp Clean-up and Flowchart

Provides guidelines for cleaning broken UVA lamps and a troubleshooting flowchart.