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Lennox PureAir S PCO3S-14-16

Lennox PureAir S PCO3S-14-16
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AIR CLEANERS / FILTERS
©
2021 Lennox Industries Inc.
Dallas, Texas, USA
Lennox PureAir™ S
Air Purication System
507785-01
6/2021
Supersedes 3/2020
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, Dimensions and
Specications ...............................................................3
Installation Examples ...................................................5
Installation .....................................................................6
Unique Field-Supplied Installation Items .....................6
Selecting Location .......................................................6
Installing Cabinet .........................................................6
Installing UVA Lamp ....................................................6
Installing UVA Lampholder ..........................................7
Installing Air Filter ........................................................7
Wiring ............................................................................8
Terminals and Wiring Recommendations ....................8
Communication Wiring Routing ...................................8
PureAir S Internal Factory Wiring ................................8
Communicating Control Functions ............................9
PCO Model (H2) Jumpers ...........................................9
THIS MANUAL MUST BE LEFT WITH THE OWNER FOR FUTURE REFERENCE
WARNING
Improper installation, adjustment, alteration, service or
maintenance can cause property damage, personal injury
or loss of life. Installation and service must be performed
by a licensed professional HVAC installer or equivalent,
service agency, or the gas supplier.
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.
Change Lamp Reset (SW1) ........................................9
Change Filter Reset (SW2) .........................................9
Control Manual Reset .................................................9
Lennox S30 Thermostat Setup ....................................9
System Setup (Commissioning) ..................................9
Reminders ...................................................................9
Adding PureAir S to Existing System ........................10
Dealer Control Center ................................................10
Notications (Alert Codes) ........................................11
Tests and Diagnostics Function ................................11
Installation Report .....................................................11
Alert Codes .................................................................12
Soft Disable ...............................................................12
Alert Code Types .......................................................12
Operation .....................................................................14
Filter, UVA Lampholder / PCO Cartridge and
UVA Lamp Replacement ............................................14
Annual Maintenance Kits ...........................................14
Replacement Parts .....................................................14
Removing and Installing UVA Lamp, Lampholder
and Air Filter ..............................................................15
Proper Clean-Up of Broken UVA Lamp .....................15
Troubleshooting Flow Chart ......................................16
IMPORTANT
Do not connect low voltage wiring to the PureAir S until you conrm the S30 thermostat has thermostat / Smart Hub
control software version 03.40.xxxx or higher software.
To update S30 thermostat follow the check for update procedures outlined in service and application note ACC-18-05.
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Lennox PureAir S PCO3S-14-16 Specifications

General IconGeneral
Model NumberPCO3S-14-16
TypeAir Cleaner
BrandLennox
SeriesPureAir S
Airflow CapacityUp to 2000 CFM
MERV Rating16
UV LightYes
InstallationProfessional Installation Required
CompatibilityCompatible with Lennox HVAC systems
Filter TypeMERV 16

Summary

Safety and Operational Guidelines

Critical Safety Warnings

Essential warnings for installation, service, and electrical hazards to prevent injury or damage.

Important Operational Precautions

Key advice on thermostat software, wiring, and general system operation.

System Contents and Application

Shipping and Packing List Details

Lists all components included in the PureAir S system packaging.

Model and Application Overview

Identifies catalog numbers and explains the PCO technology's function and benefits.

User Safety and Precautions

Installation and Handling Precautions

Guides on duct cleaning, sealant use, power cord routing, and UVA lamp operation.

Health Hazard Alerts

Warns about UVA radiation exposure and potential carbon monoxide risks.

Sharp Edge Hazard Warning

Alerts users to the hazard of sharp edges on the equipment.

Unit Identification and Dimensions

Component Identification Diagram

Illustrates and labels the main components of the PureAir S unit for easy recognition.

Physical Unit Dimensions

Provides detailed measurements of the PureAir S unit for installation planning.

Specifications and Performance Data

Model Specifications and Listings

Details weight, electrical, power consumption, operating environment, and certifications.

Air Flow Resistance Data

Shows approximate air flow resistance across different capacities and models.

Important Usage and Maintenance Guidance

Cartridge and Filter Care Instructions

Advises against washing the PCO cartridge and protecting the filter from UV light.

Unpacking and Disposal Procedures

Guides on removing packing materials and proper disposal methods for components.

Odor Emissions and Orientation

Addresses potential odors and the required horizontal orientation for the UVA lamp.

System Limitations and Mercury Hazard

Clarifies system use, installation type, and the mercury hazard of the UVA lamp.

Installation Configuration Examples

Unit Placement for Various Systems

Illustrates installation configurations for different furnace and air handler types.

Installation Procedures Overview

Field-Supplied Installation Items

Lists recommended items to have on hand for installation.

Location Selection and Clearance

Guides on choosing the correct location and required service clearance.

Cabinet Installation Steps

Details how to install the main unit cabinet relative to the air handler.

UVA Lamp Installation Process

Provides step-by-step instructions for installing the UVA lamp into its socket and housing.

Installation Steps Continuation

Control Panel and Lampholder Installation

Explains control panel rotation, lampholder securing, and UVA lamp connection.

Air Filter Installation Procedure

Outlines the procedure for installing the Healthy Climate Carbon Clean 16 Filter.

Wiring and Communication Setup

Wiring Recommendations and Terminals

Specifies recommended wiring gauge and type for system communication.

Communication Wiring Routing Guide

Shows how to route communication wiring to the indoor unit.

Internal PCO Wiring Schematic

Displays the PureAir S internal wiring schematic and component legend.

Critical Wiring Precaution

S30 Thermostat Software Update

Warns against connecting low voltage wiring until S30 thermostat software is updated.

Communicating Control and Thermostat Setup

Control Board Features and Jumpers

Identifies control board components and explains PCO model jumper settings.

Control System Manual Reset

Details how to perform a factory reset of the control system.

S30 Thermostat System Commissioning

Guides on auto-detecting and commissioning the PureAir S with the S30 thermostat.

System Maintenance Reminder Settings

Explains how to configure maintenance reminder settings for the PureAir S.

System Integration and Control Center

Adding PureAir S to Existing System

Describes the process of reconfiguring the system to recognize the new PureAir S accessory.

Dealer Control Center Navigation

Explains how to navigate and use the Dealer Control Center for advanced functions.

Dealer Control Center Functions Overview

Details functions like notifications, tests, and diagnostics within the Dealer Control Center.

PureAir S System Parameters and Notifications

Configurable System Parameters

Lists and describes available parameters for configuring the PureAir S system.

Filter and UV Life Detection Settings

Explains parameters for detecting dirty filters and UV lamp life.

Filter and Purifier Life Management

Details filter and purifier life reporting and reset functions.

Alert Codes and Installation Reports

Describes how alerts are displayed and information in the installation report.

Alert Code Management

Understanding Soft Disable Mode

Describes the soft disable state when a component loses communication.

Alert Code Classification

Categorizes alerts into Service Urgent, Service Soon, and Information Only.

Troubleshooting Communication Issues

Communication Problem Resolution

Provides troubleshooting steps for communication loss between system components.

Wiring and Voltage Troubleshooting Checks

Details checks for wiring, grounding, and inductive voltage issues.

Troubleshooting Component Failures

Device Responsiveness Troubleshooting

Addresses issues with devices not responding or showing delayed responses.

Lost Communication Troubleshooting

Guides on troubleshooting when the thermostat loses communication with a component.

Hardware and Internal Communication Faults

Explains hardware problems and internal communication issues.

Troubleshooting Specific Alerts

Device Software and Sensor Faults

Covers troubleshooting for software corruption and sensor faults.

UV Lamp, Filter, and Calibration Alerts

Details troubleshooting for UV lamp status, filter life, model selection, and calibration failures.

Zone Sensor Communication Issues

Explains issues related to zone sensors and their impact on system operation.

Operation and Maintenance Procedures

General Operation and Fan Settings

Provides guidance on ensuring the access panel is secure and fan settings for optimal odor control.

Component Replacement Schedule

Details the need for annual replacement of filter, lamp, and PCO cartridge.

Maintenance Kits and Parts

Lists catalog numbers for annual maintenance kits and individual replacement parts.

Component Removal and Reinstallation

UVA Lamp, Lampholder, and Filter Handling

Provides detailed instructions for removing and reinstalling the UVA lamp, lampholder, and filter.

Broken UVA Lamp Cleanup Protocol

Gives instructions for safely cleaning up a broken UVA lamp, including disposal.

Troubleshooting Tools and Tests

UVA Lamp Operation Troubleshooting

A step-by-step guide to diagnose issues with the UVA lamp operation.

Ballast Voltage Diagnostic Testing

Details expected ballast voltages for diagnosing component issues.

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