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201 Lennox Industries Inc.
Dallas, Texas, USA
THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER
FOR FUTURE REFERENCE
NOTICE
Read this manual before programming this thermostat.
Use this thermostat only as described in this manual.
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) or service agency.
INSTALLER'S SYSTEM SETUP
GUIDE
iComfort Wi-Fi
Touchscreen Programmable Thermostat (11U61)
CONTROLS
507428-02
5/2017
Supersedes 507428-01
Shipping and Packing List
Thermostat container includes:
1 - Thermostat
4 - Wall anchors
1 - Homeowner's manual
4 - Mounting screws
Equipment Interface container includes:
1 - Equipment Interface Module
1 - Equipment Interface Module Installation Instruction
1 - Warranty card
®
Flex
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Related Manuals for Lennox 11U61
Summary of Contents for Lennox 11U61
- Page 1 INSTALLER'S SYSTEM SETUP GUIDE 201 Lennox Industries Inc. iComfort Wi-Fi ® Flex Dallas, Texas, USA Touchscreen Programmable Thermostat (11U61) CONTROLS 507428-02 5/2017 Supersedes 507428-01 THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE Shipping and Packing List Thermostat container includes:...
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Page 2: Table Of Contents
TABLE OF CONTENTS WARNING Overview - Technical Description and Features ....Installation and set up ........This is a 24VAC Class 2 thermostat. -
Page 3: Installation And Setup
This thermostat supports: • Autochangeover mode -- Permits control of heating, cooling, humidification, and dehumidification without • Wireless bands 802.11b, 802.11g and 802.11n user involvement • Three languages (English, French, Spanish) Installation and Setup • Air conditioning or heat pump units with up to four stages of heat / two stages of compressor operation During initial thermostat start-up the following screen will (2 stages of heat pump heating, 2 stages of auxiliary... -
Page 4: Adjusting System Settings
Touch a day of the month to select it. been registered during the Wi-FI set up procedure later • Touch on the hour or minute; up down arrows appear on in this instruction (if the dealer has an account with to allow change. Lennox already). 507428-01... - Page 5 NOTE - Dealer number is the dealer's Lennox account The following table lists all of the installer configurable number. Dealer phone number is the dealer's main office system level parameters available from the installer set phone number. up screens. After adjusting system settings, select next to continue.
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Page 6: Connecting To Home Wi-Fi Router
Connecting to a Home Wi-Fi Router Check the router utility program or contact service provider for help. When determining the location for the outdoor temperature indoor temperature set temp enter Wi-Fi thermostat, be sure it is in an area near enough to away heat the home Wi-Fi router to ensure good communications... - Page 7 3. The User Agreement screens will appear next. • Add a network is required when Wi-Fi Press next as many times as necessary; then press identification (SSID) is being hidden (not accept after reading the User Agreement. broadcasting). You will need to know the Wi-Fi network name (SSID), security encryption type ESTABLISHING A WI-FI CONNECTION (if enabled), and security password (if security...
- Page 8 NOTE - The router info button provides information 2. Using the on-screen keyboard, enter the password concerning the home Wi-fi connection (i.e, RSSI, IP (security key). If the network name or security key address, MAC address and wait state) all of which may combination is incorrect or incorrectly type, and be helpful in troubleshooting network connection access to the specified network failed, a message...
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Page 9: Troubleshooting Wi-Fi Connection
(security key) and then press connect to 5. Skip the next section if connection to the home Wi-Fi continue. router, Internet and server were successful. 3. If connection is successful the screen will return to Troubleshooting Wi-Fi Connection the available networks screens. Press X to return to the previous screen. - Page 10 On your computer, turning Wi-Fi off and then On the thermostat, disable, then re-enable the back on will force the system to rescan for Wi-Fi connection. available networks. Do you see the network your 9. Antenna in thermostat is fixed and cannot be moved. thermostat is trying to connect to? Location of your access point with respect to the 6.
- Page 11 This will in the Router / Modem Check section cause the thermostat to ask for the Lennox server mac address again and try to resend the email. connect router Info 18.
- Page 12 Registering the Thermostat REGISTRATION FOR ONLINE ACCESS 1. From the WI-FI SETTINGS screen, press either the Register with iComfort Wi-Fi thermostat to enable remote access and online weather information thermostat not registered icon or the connection enter your email status icon and select the server icon. System Desc WI-FI SETTINGS register...
- Page 13 NOTE - Time from pushing the registration button on the This auto update feature can be disabled by thermostat and receiving the consumer portal register pressing the firmware update button to toggle to link from your email on your computer is normally from 5 OFF but is not recommended.
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Page 14: Account Registration
NOTE - if the customer has already set up an User Account Registration for Lennox Server account, click the “Click Here” button to access that Access account. Click on the Register link; the screen (to the left) will appear. Fill in the User Name and Password fields and check the agree to terms and conditions box. -
Page 15: Firmware Update
Adding Outdoor Unit and Accessories Firmware Update OUTDOOR UNIT (AIR CONDITIONER OR HEAT FIRMWARE UPDATE BUTTON PUMP) 1. Firmware Update (Off) – No automatic firmware To add (or remove) an outdoor unit, you must be at the updates (highly recommend leaving ON) “Add or Remove Non-communicating equipment?”... -
Page 16: Auxiliary Dehumidifier
• Humidifier is wired to the equipment interface "System" mode "Humidification Control Mode" module and furnace or air handler control, defaults to "Basic". • Second, if you want another mode, i.e. Precision, • Entire system is wired, powered up and you are at Basic Dew Point, or Precision Dew Point, the device “Add Remove... -
Page 17: Adjusting Humidification And Dehumidification Settings With
5. The “Add or Remove...” screen reappears with your check that the current value now shows the new addition shown in the system devices list. At this selection). point, you may add more equipment (touch yes) or 4. Touch the back button to return to “Adjust a if finished, touch the next button to advance to the setting...”... - Page 18 Basic Dew Point Control adjustment mode will change 3. Touch the button of the humidification settings you the humidification setpoint based on the outdoor want to adjust; if it says humidifier OFF, one touch temperature and a user-defined dew point adjustment will display a selection for ON.
- Page 19 2. From the Features screen, select system settings. In MEDIUM mode, dehumidification occurs if these conditions are met and signals are present at specific 3. Touch the button of the dehumidification settings you terminals: want to adjust; if it says de-humidifier OFF, one touch •...
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Page 20: Using The Tests / Diagnostics Features
NOTE - Test mode lasts for 30 minutes (with the Using the Tests / Diagnostics Features temperature updating every 30 seconds) except for the defrost test, which lasts 30 seconds. Tests feature select test to run provides the technician time to manually verify the equipment operation. - Page 21 Touch confirm to continue system configuration; the tests equipment alerts diagnostics setup screen will change to the system discovery screen. At this point, the program goes through the same set up as current test: Blower the initial set up process which begins on page 3. Check Blower Operation NOTE - “Compatible device found”...
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Page 22: Using The Secure Web Portal
3. After the entire system is wired, power up the 8. Test the system operation and confirm the heat ® system; the iComfort Wi‐Fi thermostat will check pump unit is electrically energized and operational. the system for equipment interface module. Press done. -
Page 23: Skins
1. From the Home screen, press the Go to Shop > All Products and scroll down to Features button. EVERYTHING ELSE and select LENNOX ICOMFORT 2. Select Display Settings 3. Select outdoor temp display. After ordering the skin, the company will email the image Options are off, internet and file (.jpg) to you. -
Page 24: Accessing Installer Screens And Changing
LENNOX after 30 seconds of inactivity. If a skin Press equipment if you need to set up equipment parameters and edit details of devices in the system. or custom image has been uploaded, after 30 seconds of inactivity, the image will be Press diagnostics if you need to analyze the system displayed. - Page 25 Use the arrows to INITIAL INSTALLER SET UP select a device and touch edit. 1. From the Home Screen, touch and hold Lennox 4. Use the arrows to highlight a setting and then touch until the warning screen appears. Press yes to edit.
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Page 26: Wiring Diagrams
Wiring Diagrams Figure 19. Thermostat and Conventional Indoor Unit and Air Conditioner 507428-01... - Page 27 Figure 20. Thermostat and Conventional Indoor Unit and Heat Pump ® 7-Day Programmable iComfort Wi‐Fi Flex Thermostat...
- Page 28 ® Note: iComfort Wi‐Fi Flex thermostat does not require shielded cable wiring. ® iComfort Wi‐Fi ® iComfort Wi‐Fi Equipment Interface Outdoor Unit Module ® iComfort Wi‐Fi Flex Thermostat Single wire to terminal C Single wire to Unused wires terminal C RSBus Minimum wire size is 18 gauge...
- Page 29 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in Table 2. Alert Codes and Troubleshooting the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button. Alert Priority Alert Text Steps to clear Code The room thermostat has found an unknown device on the system.
- Page 30 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert Table 2. Alert Codes and Troubleshooting button. Alert Priority Alert Text Steps to clear Code (Thermostat) The thermostat is read...
- Page 31 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert Table 2. Alert Codes and Troubleshooting button. Alert Priority Alert Text Steps to clear Code Run the system in diagnostic mode and verify that it matches actual equipment...
- Page 32 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert Table 2. Alert Codes and Troubleshooting button. Alert Priority Alert Text Steps to clear Code (Thermostat / Furnace / Air Handler /...
- Page 33 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert Table 2. Alert Codes and Troubleshooting button. Alert Priority Alert Text Steps to clear Code (Furnace / Air Handler / Equipment...
- Page 34 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert Table 2. Alert Codes and Troubleshooting button. Alert Priority Alert Text Steps to clear Code Load shedding function: Provides a method for a local utility company to limit...
- Page 35 HOMEOWNER SERVICE ALERT CODES Number Value Number Value Number Value Number Value Number Value 3000 Filter 1 3002 Humidifier 3004 Maintenance 4000 User Wi-Fi state 4002 Image file down change, disable load failed 3001 Filter 2 3003 UV Light 3005 PureAir Main...