Lennox ComfortSense 8500 Series User Manual

2
Table of Contents
Shipping and Packing List ..................................3
CS8500 Features..................................................3
Product Dimensions ............................................4
Unit Dimensions (H x W x D) ......................................... 4
Wall Plate Dimensions (H x W) ...................................... 4
Wiring Specications ..........................................4
Communication Wire ..................................................... 4
Remote Sensor Wire ..................................................... 4
Transformer Wire............................................................ 4
Installation ............................................................5
Terminal Connections .........................................6
Purpose .......................................................................... 6
Wiring CS8500 (with or without CO Sensor) ................. 7
Installing Indoor Temperature Sensors ......................... 7
Installing Occupancy Sensor ......................................... 7
iCON™ by Lennox / L Connection
Equipment ............................................................8
Network Thermostat Control (NTC) Setup ..................... 8
M1 / M2 Unit Controller Setup ........................................ 9
M1 / M2 Unit Controller - Control Mode and
Backup Set Points Setup ............................................... 9
M3 Unit Controller Setup ................................................ 9
CS8500 Setup .............................................................. 10
BACnet with M3 Unit Controller .......................10
Network Topology ......................................................... 10
CS8500 Set Point Change ........................................... 10
CS8500 Occupancy Override ...................................... 11
BACnet Canceling Override ......................................... 11
Sensor Inputs ............................................................... 11
M3 Unit Controller Setup .............................................. 11
CS8500 Setup .............................................................. 13
CS8500 Sensor Failure ................................................ 13
Functions Not Supported ............................................. 13
CS8500 Troubleshooting .............................................. 13
M3 Unit Controller - Setting Return Air
Temperature Limits ...........................................14
Menu ...................................................................14
Technician Settings ...................................................... 14
Parameter Settings Based on System Conguration ... 15
Parameter Descriptions ................................................ 16
System Status Descriptions .............................19
Error Codes and Reminders .............................23

Lennox ComfortSense 8500 Series Specifications

General

Brand	Lennox
Model	ComfortSense 8500 Series
Category	Thermostat
Language	English