Lennox iHarmony 10C16

507132-04 5/2020
Supersedes 4/2020
2020
©
Lennox Industries Inc.
Dallas, Texas, USA
iHarmony
®
Zoning System - Damper Control Module (10C16)
Installation and Setup Guide
Table of Contents
Shipping and Packing List ......................................................................................2
General .....................................................................................................................2
Required Items Sold Separately.............................................................................2
Recommended Items Sold Separately ..................................................................3
Dimensions ..............................................................................................................3
Terminals, Wiring Recommendations and Electrical Characteristics ................4
Sensors ....................................................................................................................5
Discharge Air Temperature Sensor (DATS) .........................................................5
Discharge Air Temperature Sensor (88K38) Temperature, Resistance
and Voltage Chart ................................................................................................5
Outdoor Air Temperature Sensor (OATS) ...........................................................6
Transformer Phasing...............................................................................................6
Damper Wiring .........................................................................................................6
Pressure Switch.......................................................................................................7
Staged Heat Pump Units......................................................................................8
Variable Capacity Heat Pump Units (XP20 and XP25) ........................................8
Freezestat (Optional) ............................................................................................... 8
Zoning 401 Setup and Conguration .....................................................................9
Establishing the Baseline .....................................................................................9
Mapping the Design .............................................................................................9
Sizing the System ..............................................................................................10
Testing the Zones ...............................................................................................11
Lennox Communicating Indoor Control Link Settings ......................................12
iComfort S30 Ultra Smart Thermostat - Installer Zoning Control Settings ......15
Zone Control Settings during Thermostat Initial Commissioning .......................15
Zone Control Settings after Thermostat Initial Commissioning ..........................15
Changing Zone Name ........................................................................................15
Setting Up Scheduling for Each Zone ................................................................15
Design and Map Airow Per Zone Using Target Air Temperatures ....................16
Zoning CFM Tables ................................................................................................17
Zoning Parameters ................................................................................................20
Zoning Control Parameters ................................................................................20
Zoning Control Parameters Listed Under Smart Hub ........................................20
Zoning Sequence of Operations ..........................................................................21
Heating / Cooling Changeover ...........................................................................21
Damper Operation..............................................................................................22
Dual-Fuel Operation ........................................................................................... 22
Emergency Heat Operation - Heat Pump Systems ...........................................22
Humidity Control ...................................................................................................22
Soft Disable ............................................................................................................ 22
Troubleshooting ..................................................................................................23
Resetting the Thermostat or HVAC Equipment..................................................23
Zoning Alert Codes ...............................................................................................23
iHarmony Zoning ...................................................................................................27
Airow Setup Procedure by Static Pressure Worksheet ...................................27

Lennox iHarmony 10C16 Specifications

General

Brand	Lennox
Model	iHarmony 10C16
Category	Control Unit
Language	English

Summary

Shipping and Packing List

Required Items Sold Separately

Items required for the zoning system to operate.

Recommended Items Sold Separately

Items recommended for furnace applications.

General

Dimensions

Terminals, Wiring Recommendations and Electrical Characteristics

Sensors

Discharge Air Temperature Sensor (DATS)

Installation and placement of DATS.

Discharge Air Temperature Sensor (88 K38) Temperature, Resistance and Voltage Chart

DATS temperature/resistance/voltage data.

Outdoor Air Temperature Sensor (OATS)

Installation requirements for OATS.

Transformer Phasing

Damper Wiring

Pressure Switch

Staged Heat Pump Units

Variable Capacity Heat Pump Units (XP20 and XP25)

Freezestat (Optional)

Zoning 401 Setup and Configuration

Establishing the Baseline

Verifying wiring and initial setup steps.

Mapping the Design

Setting system parameters using target air temperatures.

Sizing the System

Testing the Zones

Lennox Communicating Indoor Control Link Settings

iComfort S30 Ultra Smart Thermostat - Installer Zoning Control Settings

Zone Control Settings during Thermostat Initial Commissioning

Zoning setup during initial system commissioning.

Zone Control Settings after Thermostat Initial Commissioning

Adding zoning to an existing S30 system.

Changing Zone Name

Procedure to rename zones after initial setup.

Setting Up Scheduling for Each Zone

Configuring schedules for individual zones.

Design and Map Airflow Per Zone Using Target Air Temperatures

Zoning CFM Tables

Zoning Parameters

Zoning Control Parameters

Parameters adjustable via the zoning control menu.

Zoning Control Parameters Listed Under Smart Hub

Parameters adjustable via the smart hub interface.

Zoning Sequence of Operations

Heating Cooling Changeover

System response to calls for heating and cooling.

Damper Operation

Emergency Heat Operation - Heat Pump Systems

Humidity Control

Soft Disable

Re-Configure System

Troubleshooting

Zoning Alert Codes

iHarmony Zoning

Airflow Setup Procedure by Static Pressure Worksheet

Worksheet for setting up airflow by static pressure.