Lennox iHarmony 10C16 User Manual

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