Lennox icomfort, icomfort Touch Quick Start Manual

E N G I N E E R I N G D A T A
C O N T R O L S
icomfort™ Residential Communicating Control System
icomfort Touch™ Communicating Thermostat
Bulletin No. 210538
February 2010
Advanced icomfort™ controls in specic heating and cooling units communicate information about various operating parameters to the thermostat to constantly maintain the most efcient operating conditions possible. Additional conventional (not icomfort™-enabled) indoor air quality comfort controls (PureAir™ Air Purication System, Healthy Climate® Humidiers, Humiditrol® Enhanced Dehumidication Accessory, Healthy Climate® Energy/Heat Recovery Ventilators) can be added to the system for a complete total­comfort system.
Conventional outdoor units (not icomfort™-enabled) can easily be added and controlled by the icomfort Touch™ Communicating Thermostat.
A simple easy-to-use menu-driven touchscreen allows complete system conguration. Scheduled maintenance alerts, system warnings and troubleshooting are also displayed in simple English on thermostat screen.
Easy to read 5.7 in. screen (measured diagonally).
A tabbed interface lists all programming options on the screen.
Installer setup screens allow quick and simple system conguration without a manual, Installer can also run tests on complete system or individual components for easy maintenance and troubleshooting.
Serial communications bus (RSBus), with less wiring than a conventional heating/cooling system, allows system communication. Uses 4-wire, 18-gauge standard thermostat wiring.
Thermostat can be recess mounted on a wall (3-gang electrical box required). Subbase with terminal strip is furnished for easy installtion.
Contents
Control Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . 2
Featured System Products . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installer Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
User Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

SYSTEM COMPONENTS

Communicating
Thermosat
Outdoor Sensor
(furnished on all outdoor
icomfort-enabled products)
(Also available as
an optional accessory)
icomfort™-enabled
Air Conditioner
XC21 (2-Stage) or
XC17 (1-Stage)
Heat Pump
XP21 (2-Stage) or
XP17 (1-Stage)
icomfort Touch
RSBus
icomfort™-enabled
Furnace
G71MPP
(Variable Capacity
Variable Speed
Blower)
CBX40UHV or CBX32MV

CONTROL ORDERING INFORMATION

Description Catalog No.
icomfort™ Touch Communicating Thermostat
Dimensions (H x W x D) - 5 x 6-3/8 x 1-1/4 in.
1
Optional Outdoor Sensor X2658
2
Discharge Temperature Sensor 88K38
1
The Optional Outdoor Sensor may be used with an icomfort equipped outdoor unit for a secondary
(alternate) sensor reading. Optional Outdoor Sensor may be ordered for use with a conventional outdoor unit.
2
Required with Air Handler applications when using EVENHEATER® option. Optional on all other
applications for service diagnostics
49W95
icomfort™-enabled
Air Handler
Variable Speed
Blower
icomfort™ Communicating Control System / Page 2
RESIDENTIAL COMMUNICATING CONTROL SYSTEM
SYSTEM COMPONENTS
The complete icomfort™ control system consists of an icomfort Touch™ Communication Thermostat paired with an icomfort™-enabled furnace and air conditioner or an icomfort™-enabled air handler and heat pump outdoor unit (or furnace for dual-fuel operation). Indoor units must contain the icomfort™ control. A non­communicating outdoor unit may be used (some system features will be reduced).

FEATURED SYSTEM PRODUCTS

icomfort Touch™ Communicating Thermostat
Large full color touchscreen - no hidden buttons or doors.
Temperature and humidity control (humidify/dehumidify). Sophisticated control and scheduling.
Also controls conventional (not icomfort™-enabled) products (includes standard thermostat terminal designations).
Dave Lennox Signature™ Collection G71MPP Variable-Capacity, Variable-Speed Furnaces
Energy Star® qualied.
95% AFUE energy efciency.
Variable-capacity operation.
Multi-position design.
icomfort™ control.
Precise Comfort™ technology.
AirFlex™ technology.
Fully insulated cabinet.
SureLight® Control delivers operation reliability.
Silicon nitride igniter.
Dave Lennox Signature™ Collection XC21 Two­Stage Air Conditioners
Energy Star® qualied.
Up to 20.5 SEER cooling efciency.
icomfort™ control.
SilentComfort™ technology.
Quiet operation, as low as 69 dB.
R-410A refrigerant.
Dependable and efcient two­stage scroll compressor.
SmartHinge™ louvered coil protection.
Optimized for use with the Humiditrol® whole-home dehumidication system.
Also available - XC17 Single-Stage Air Conditioner.
Dave Lennox Signature™ Collection XP21 Two­Stage Heat Pumps
Energy Star® qualied
Up to 18.6 SEER and 9.30 HSPF heating efciency
icomfort™ control.
SilentComfort™ technology
Quiet operation, as low as 69 dB
R-410A refrigerant
Dependable and efcient two­stage scroll compressor
SmartHinge louvered coil protection
Optimized for use with the Humiditrol® whole-home dehumidication system
Also available - XP17 Single-Stage Heat Pump.
Dave Lennox Signature™ Collection CBX40UHV Variable-Speed Air Handlers
4-way multi-position design.
icomfort™ control.
Variable-speed blower motor.
R-410A refrigerant compatible.
Automatic comfort control for lower, summertime humidity levels.
Anti-microbial drain pan resists the growth of mold and mildew.
Healthy Climate® MERV 16 high efciency air lter.
Includes knock-out for easy installation of Healthy Climate® germicidal light.
Also available - CBX32MV Variable-Speed Air Handler.
icomfort™ Communicating Control System / Page 3
FEATURES

USER SETTINGS

HOME SCREEN (PROGRAM ON)
current temp
70
humidity 45% (OK)
indoors conditions
set
heat to
63
cool to
85
press for more
January 26, 2010 12:00 AM
set hold
1 hour
2 hours
8 hours 24 hours until next pgm. custom time
select
set cancel
Indoor Conditions
• Large display of current indoor temperature (°F or °C)
• Current heating setpoint temperature (heat to)
• Current cooling setpoint temperature (cool to)
• Raise / Lower temperature setting arrows (up / down arrows) to set heating or cooling setpoints indenitely (program off).
If program is “on” screen displays adjustable set hold time
(1, 2, 8, 24 hours, until next program or custom set time)
Both setpoint temperatures and adjustment arrows are
displayed if System is set to Heat/Cool mode.
• Humidity settings (humidity is 45% OK)
• System Mode (system is heating / cooling)
• Program Mode (program is off, program is on)
• Service Alerts (triangle symbol). Touch for details.
Press for more displays Indoor Settings (and dashboard)
screen.
INDOOR SETTINGS AND USER DASHBOARD
weather HELP
temperature settings
current temp
indoor
humidity
set
heat to
63
cool to
70
program is ON
indoor
settings
85
January 26, 2010 12:00 AM
alerts
system settings
heat & cool
cool only heat only off
fan settings
auto
on circulate
select
select
HOMEzonesprograms
Temperature Settings
• Large display of current indoor temperature (°F or °C)
• Current heating setpoint temperature (heat to)
• Current cooling setpoint temperature (cool to)
• Raise / Lower temperature setting arrows (up / down arrows) to set heating or cooling setpoints indenitely
System Settings
• Heat & Cool
• Cool Only
• Heat Only
• Emergency Heat (if air handler or dual fuel system)
• Off
Selecting Heat Only or Cool Only only displays those
setpoints.
Fan Settings
• Auto
• On
• Circulate
Selecting other tabs on screen displays different
Dashboard Tab screens.
icomfort™ Communicating Control System / Page 4
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