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Summary of Contents for Johnson Controls T8680
- Page 1 T8680 Commercial Digital Thermostat Multi Stage 4+2 High Resolution Touch Screen Touch Screen Compatible with tibl Wi-Fi accessories Wi-Fi accesso Owner's Manual Owner's Manual and Installation Instructions Code No. LIT-12011968 Issued July 3, 2014...
- Page 2 3.12. Firmware releases after rev. 3.12 may not be adequately depicted in this manual. Please refer to the appropriate website or contact your place of purchase to learn about changes to the thermostat after firmware release 3.12. T8680...
- Page 3 Glossary of Terms Auto-Changeover: A mode in which the thermostat will turn on the heating or cooling based on room temperature demand. Cool Setpoint: The warmest temperature that the space should rise to before cooling is turned on (without regard to deadband). Deadband: The number of degrees the thermostat will wait, once a setpoint has been reached, before energizing heating or cooling.
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Page 4: Table Of Contents
Table of Contents GET TO KNOW YOUR THERMOSTAT Home Screen ....................1 Menu Screens .....................1 Dropdown Dashboard .................2 Care and Use of your Thermostat .............3 QUICK START Selecting your desired temperature and mode ........4 Using the Fan button .................4 Using the Override button .................5 Setting the time and date .................6 Setting the time ..................7 Setting the date ..................8... - Page 5 Table of Contents DISPLAY ....................19 Active Brightness ..................19 Idle Brightness ..................19 Night Dimmer ................... 19 Maintenance ..................... 20 PREFERENCES ...................21 User Interface Themes................22 Custom Wallpaper ..................22 Heat/Cool Indicator .................. 22 Backdrop On/Off ..................22 Sound Options ..................22 Show Outdoor Hi/Lo Options ..............
- Page 6 Table of Contents GENERAL SETUP ..................34 Units (F or C) ..................34 Language ....................35 Smart Recovery On/Off ............... 35 INSTALLATION SETTINGS................ 35 Heat & Cool Stages................35 Heat & Cool Stages ................. 35 Compressor Stages ................35 Aux Heat Stages ................35 Timers &...
- Page 7 Table of Contents ACCESSORIES ................... 40 Accessory Info ...................41 Setup ......................41 EMERGENCY HEAT .................. 42 COLORDISPLAY ASSISTANT ..............43 Installing the ColorDisplay Assistant Software ........44 Uploading Photos ..................44 INSTALLATION INSTRUCTIONS .............. 45 Remove & Replace the Old Thermostat ..........45 Wire Connections ..................
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Page 8: Get To Know Your Thermostat
Get To Know Your Thermostat Home Screen Outdoor Temperature Backlit Color Touch Screen Display (If optional accessory is used) Dropdown Connectivity Symbol Connectivity Symbol Table Dashboard Button (if optional accessory is installed) Not connected Warmer to Wi-Fi Button Connected to local SD Card access point w/IP Slot... -
Page 9: Dropdown Dashboard
Get To Know Your Thermostat Dropdown Dashboard The Dropdown Dashboard displays temperature and other readings. It will also show the high and low readings of the day. Dropdown Dashboard Button Wi-Fi Connection Icon (The Skyport Wi-Fi Key is required for Wi-Fi connections. -
Page 10: Care And Use Of Your Thermostat
Get To Know Your Thermostat Care and Use of Your Thermostat Pencils, pens and other sharp objects should never be used on your thermostat; these may damage your touch screen. Only use your finger tip to press the screen buttons. Use a soft, damp cloth to clean the screen. -
Page 11: Quick Start
Quick Start - Temperature, Modes and Fan Selecting Your Desired Temperature and Mode Press to adjust temperature Cool Setpoint Warmer The Heat or Cool Setpoint Button is the temperature the room has to reach before heating or cooling will turn off. (Without regard Cooler to deadband) -
Page 12: Using The Override Button
Quick Start - Override Using the Override Button OVERRIDE NOTE: Override may only be used when the thermostat is set to Program RUN or Holiday ON modes. Override Unoccupied Operation - During programmed, unoccupied periods, pressing the OVERRIDE button will force the thermostat into Occupied 1 settings. When the OVERRIDE button is pressed, a timer screen will appear and allow the user to choose from 30 minutes to up to 4 hours of override time. -
Page 13: Setting The Time And Date
Quick Start - Set Time and Date NOTE: When the thermostat is connected to the Skyport the Time & Date are automatically synchronized to the Skyport Cloud, including automatic Daylight Savings adjustments. Set Time & Date Set Current Time Use AM/PM - ON Set Current Date Daylight Savings Setup Daylight Savings Time - OFF... -
Page 14: Setting The Time
Quick Start - Set Time and Date Setting the Time Press then to scroll down. MENU NOTE: If the Skyport Wi-Fi Key is installed on the thermostat, the Press Time and Date settings will not be accessible. Set Time & Date Press Set Current Time (12:00 AM) -
Page 15: Setting The Date
Quick Start - Set Time and Date Setting the Date Press Set Current Date 6/1/2013 Press to set the current month and year. Press the day on the calendar Press BACK when finished. Daylight Savings Setup Turn Daylight Savings Daylight Savings Time - OFF Time on or off. -
Page 16: Schedule
Main Menu Buttons - Schedule Schedule View My Schedule Edit My Schedule Unoccupied Settings Mode (Auto) Auto Heat Cool Heat Setpoint (55˚) Cool Setpoint (85˚) -
Page 17: View My Schedule
Main Menu Buttons - Schedule This thermostat features up to 3 Occupied time periods per 24 hour day. Schedule View My Schedule Press a day of the week to view its settings. This may be repeated for each day. Edit My Schedule Press and select day(s) to program Select individual days Select groups of days... -
Page 18: Unoccupied Settings
Main Menu Buttons - Schedule Edit My Schedule (Continued) Adjust Mode, Start Time, Stop Time, and Heat and Cool Setpoints to desired settings. The Time Period may also be Enabled or Disabled. Un-check the enabled box for Time Periods you don’t want to use. Press DONE when finished. Heat and Cool Setpoints Mode Enable/Disable... -
Page 19: Fan Settings
Main Menu Buttons - Fan Settings Fan Settings Fan - Auto Who To Call For Ser vice Occupied Fan State (Auto) Auto Fan Purge - OFF View R untime Graphs Preoccupancy Purge Time (15 mins) -
Page 20: Fan On/Auto
Main Menu Buttons - Fan Settings The fan may be set to run continuously during Heat, Cool, Auto, and Occupied modes. A Pre-Occupancy Fan Purge schedule Fan Settings may also be set. Press to turn fan On to run continuously or Auto for fan to run only with heating or cooling. -
Page 21: Screensaver
Main Menu Buttons - Screensaver Screensaver Screensaver - OFF Who To Call For Service Screensaver Setup View Runtime Graphs Screensaver Turn On Delay Screensaver Type Slideshow Digital Clock Analog Clock Change Image After... Use Theme Images - OFF Randomize slideshow - OFF Show Clock - OFF Home Screen Info - OFF Screensaver Preview... -
Page 22: Screensaver Preview
Main Menu Buttons - Screensaver The Screensaver allows you to create custom slideshows. Screensaver Screensaver - OFF Screensaver - ON Screensaver Setup Screensaver Turn On Delay (5m) How long after a button press for the Screensaver to appear. 1, 3, 5, or 30 minutes Screensaver Type (Slideshow) Slideshow, Digital Clock, Analog Clock... -
Page 23: Alerts
Main Menu Buttons - Alerts Alerts View Current Alerts Reset Alerts Reset Air Filter Alert Reset UV Lamp Alert Set/Edit Reminders Service Call Reminder - OFF Days Until Service Call (360 days) Air Filter Reminder - OFF Set Max Filter Runtime (300 hrs) Set Max Filter Days (180 days) -
Page 24: View Current Alerts
Main Menu Buttons - Alerts The alerts let you know when your system needs service. Alerts View Current Alerts View and reset current Alerts will appear service alerts here. on the bottom bar of the Home Screen. Press to view and reset current alerts. - Page 25 Main Menu Buttons - Display Display Active Brightness Idle Brightness Night Dimmer Auto Night Dimmer - OFF Set Idle Brightness Set Dimmer Schedule Maintenance Screen Cleaning Touch Calibration...
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Page 26: Display
Main Menu Buttons - Display The display brightness options may be adjusted in this menu. Display Active Brightness (80%) You may select how bright the backlight is while the thermostat is active. The display is active for 3 minutes after last touch, it then goes idle. Idle Brightness (30%) You may select how bright the backlight is while the thermostat is idle. -
Page 27: Maintenance
Main Menu Buttons - Display Maintenance Maintenance allows you to clean and calibrate the touch screen. Screen Cleaning Screen Cleaning Mode disables the touch feature for 15 seconds so the screen may be cleaned without altering any settings. Use a soft cloth without solvents or abrasive cleaners Touch Calibration Under normal circumstances, the touch screen should not need to be calibrated. -
Page 28: Preferences
Main Menu Buttons - Preferences Preferences User Interface Themes Custom Wallpaper Heat/Cool Indicator Heat/Cool Indicator OFF Taskbar red/white OFF Room Temp red/blue OFF Mode Status red/blue OFF Backdrop OFF Sound Options Beep - OFF Beep Sound... -
Page 29: User Interface Themes
Main Menu Buttons - Preferences You may set the type of background that appears on the thermostat Preferences Home Screen. User Interface Themes (Buildings) This thermostat has several high quality background themes to choose from. NOTE: At 7 PM, the background will change to an evening scene and the moon will replace the sun. -
Page 30: Holidays
Main Menu Buttons - Holidays Holidays Holiday Schedule - OFF Edit Holidays Preset Holidays... -
Page 31: Holiday Schedule On/Off
Main Menu Buttons - Holidays The Holiday Schedule allows the touch screen to follow a fully customizable preset, weekly, monthly, and yearly holiday program. The thermostat will stay in Holidays Unoccupied settings while Holiday is active. Holiday Schedule - OFF Press to turn Holiday Schedule On or Off. - Page 32 Main Menu Buttons - Holidays Edit Holidays (Continued) Deselecting Holidays You may deselect a holiday simply by pressing on it. Press BACK to save your changes and return to the Holiday menu. If you choose to deselect a holiday that is part of a Custom Repeating Program, the screen below will appear Marking Non-Holidays You will now be prompted to mark this...
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Page 33: Preset Holidays
Main Menu Buttons - Holidays Edit Holidays (Continued) Editing Repeating Holidays (continued) You may now delete all repeating custom holidays in this group by pressing the ON box to un-check your selection. Press SAVE to return to Holiday editing screens. Preset Holidays You may choose from several standard preset holidays to observe. -
Page 34: Security
Main Menu Buttons - Security Security Auto Screenlock Auto Screenlock - OFF Set Passcode Lock After... Allow fan/mode changes - NO Allow setpoint changes - NO Allow override - NO Setpoint Limits Setpoint Limits - OFF Minimum Cool Setpoint Maximum Heat Setpoint... -
Page 35: Auto Screenlock
Main Menu Buttons - Security Security settings may be set to limit or prevent changes to your thermostat. Security Auto Screenlock NOTE: Code must be set before Auto Screenlock - OFF Auto Screenlock can be turned on. Auto Screenlock - ON * If you forget your Set Passcode passcode, enter... -
Page 36: Information
Main Menu Buttons - Information Information My Thermostat View Runtime Graphs Last 7 Days - Cooling Last 7 Days - Heating Last 7 Days - Override Delete Runtime Data Who To Call For Service... -
Page 37: My Thermostat
Main Menu Buttons - Information This button contains valuable service and system runtime information. Information My Thermostat View your thermostat dip switch settings, equipment status, runtimes, and other settings. View Runtime Graphs Track your system’s runtime/energy usage. Last 7 Days - Cooling Press the information icon to learn more about each graph. -
Page 38: Settings
Main Menu Buttons - Settings Settings Thermostat Name Available Modes All Modes Including Auto Heat and Cool Heat Only Cool Only SD Card Import Settings from SD Card Export Settings to SD Card General Setup Units Fahrenheit Celsius Language English Spanish/Espanol French/Francais Smart Recovery - ON/OFF... - Page 39 Main Menu Buttons - Settings Settings (Continued) Installation Settings Timers & Deadbands Cycles Per Hour Min Heat/Cool Difference Compressor Min Off Time 1st Stage Deadband 2nd Stage Deadband 2nd Stage Deadband 2nd Stage Timer 2nd Stage Turnoff Point Deadband Setpoint 3rd Stage Deadband 3rd Stage Deadband 3rd Stage Timer...
- Page 40 Main Menu Buttons - Settings Settings (Continued) Installation Settings Sensor Settings Control Sensor Thermostat Sensor Only Wired Sensor Only Average Wired/Thermostat Wired Sensor Use Use as Outdoor Sensor Use as Remote Sensor Use as Supply Sensor Use as Return Sensor Calibrate Sensors Thermostat Wired Sensor...
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Page 41: Thermostat Name
Main Menu Buttons - Settings Thermostat heating and cooling options are found in this menu Settings Thermostat Name Use keypad to name your thermostat. The name is displayed on the Home Screen. (Up to 14 characters) Name appears here Available Modes (all) Choose the desired modes the thermostat will use: Heat, Cool, Heat &... -
Page 42: Language
Main Menu Buttons - Settings General Setup (Continued) Language (en) English Spanish/Español French/Français Smart Recovery - OFF Smart Recovery - ON Smart Recovery turns on the heat before the Morning start time to bring the room temperature to the Morning setpoint at the start of the Morning time period. - Page 43 Main Menu Buttons - Settings Installation Settings (Continued) Timers & Deadbands (Continued) Min Heat/Cool Difference (2˚) The minimum gap between Heat and Cool setpoints. (0 - 6 deg. F) Compressor Min OFF Time (5m) None, 1 minute, or 5 minutes. The Deadband is the number of degrees or minutes that the thermostat waits before it initiates the stages of heating or cooling.
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Page 44: Heat Pump Settings
Main Menu Buttons - Settings Installation Settings (Continued) (Only available Heat Pump Settings when dip switch is set for Heat Pump operation.) Heat Pump Lockout - DISABLED For Lockout Heat Pump Lockout - ENABLED Temperatures: A local outdoor Turns on Heat Pump Lockout. sensor connected to the thermostat is HP Lockout Outdoor Temp... -
Page 45: Fan Off Delay
Main Menu Buttons - Settings (Continued) Installation Settings Fan Off Delay (0s) Runs the fan for a short time after Cooling or electric strip heat turns off to increase system efficiency. (0 - 120 Secs.) Test Outputs The installer or service technician can use this feature to test the functions without any time delays of the thermostat and heating and cooling equipment. -
Page 46: Dealer Information
Main Menu Buttons - Settings Dealer Information A Dealer may enter their company contact information for the customer to use when they need service. This will appear when the “Who To Call For Service” button is pressed in the Information Menu. Press the buttons below and use the keyboard to enter your information. -
Page 47: Accessories
Main Menu Buttons - Accessories Accessories Accessory Info Setup Choose Network Password Entry Network Options Skyport Service - ON Local API - OFF... -
Page 48: Accessory Info
Main Menu Buttons - Accessories Accessory Info It is here that you will find helpful information regarding the connectivity status of your thermostat, including the thermostat’s ID. Setup Upon pressing setup, the thermostat will search for available local networks with which to connect. After identifying local access points, you will be prompted to choose a network, enter a password and... -
Page 49: Emergency Heat
Main Menu Buttons - Emergency Heat The Emergency Heat function is only available if your thermostat is set to control a Heat Pump. Emergency Heat To initiate the Emergency Heat feature, press the Emergency Heat button. During Emergency Heat operation, the thermostat will turn on the fan and auxiliary stages of heat when there is a demand for heat. -
Page 50: Colordisplay Assistant
The ColorDisplay Assistant ColorDisplay Assistant may be downloaded at no charge at: jcithermostats.com Every time the user runs the ColorDisplay Assistant software, it automatically connects to the Johnson Controls ColorDisplay website ® in the background and updates the software and firmware (the operating system for touch screen) at no cost. -
Page 51: Installing The Colordisplay Assistant Software
The ColorDisplay Assistant Uploading Photos and Settings to your thermostat When you are finished adding and editing photos and settings, click on Save to SD. When prompted, remove the SD card from the SD card reader on your computer. Save to SD *NOTE: A 2GB SD card is recommended. -
Page 52: Installation Instructions
Installation Instructions Remove and Replace the old thermostat To install the thermostat properly, please follow these step by step instructions. If you are unsure about any of these steps, call a qualified technician for assistance. • Assemble tools: Flat blade screwdriver, wire cutters and wire strippers. -
Page 53: Wire Connections
Installation Instructions Wire Connections If the terminal designations on your old thermostat do not match those refer to the chart below or the wiring on the new thermostat, diagrams that follow. Wire from the Install on the old thermostat Function new thermostat terminal marked connector marked... -
Page 54: The Colordisplay Thermostat Backplate
Installation Instructions The T8680 Thermostat Backplate NOTE: The backplate does not fully cover a full size vertical junction box. The ACC-WALLPLT touch screen wallplate or a single-gang, horizontally mounted junction box would SENSOR be needed for that type of installation. -
Page 55: Explanation Of The Thermostat Dip Switches
Installation Instructions Explanation of Thermostat Dip Switches Dip switches are located on the back of the thermostat GAS/EL ELEC SENSOR This dip switch configures the thermostat to control a conventional gas/electric system or a heat pump. GAS/EL GAS/EL If your system is anything other than a heat pump, leave this switch set for GAS/EL.* *For some commercial heat pumps, this switch may need to be set for GAS/EL. -
Page 56: Sample Wiring Diagrams
Installation Instructions Sample Wiring Diagrams with Dip Switch Positions Conventional Heating and Cooling Systems 3 Wire, Heat Only 2 Wire, Heat Only Residential & Commercial 1 Stage Heating Residential & Commercial 1 Stage Heating with no Fan. with no Fan. 24VAC Power The thermostat will not work with 24VAC Common... - Page 57 Installation Instructions Sample Wiring Diagrams with Dip Switch Positions Heat Pump Systems 5 Wire, 1 Stage Cooling, 1 Stage Heat 6 Wire, 1 Stage Cooling, 2 Stage Heat Residential & Commercial Heat Pump with Residential & Commercial Heat Pump with ‘O’...
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Page 58: Outdoor And Remote Sensor Wiring Diagrams
Installation Instructions Sample Wiring Diagrams Outdoor Sensor: ACC-RSEN Temperature Sensor 10K ohm sensor at 77F/25C. Negative Temperature Coefficient. Use 16-24 gauge thermostat wire. 10K Thermistor SENSOR Outdoor Sensor ACC-RSEN Indoor Remote Sensor with Override Button: ACC-RSEN-OVR Temperature Sensor 10K ohm sensor at 77F/25C. Negative Temperature Coefficient. (see page 36 for setup instructions) Use 16-24 gauge thermostat wire. -
Page 59: Troubleshooting
Troubleshooting • SYMPTOM: The thermostat touch screen buttons are not responsive. CAUSE: The touch screen is out of calibration. REMEDY: Remove the thermostat from the backplate. Push the thermostat back onto the backplate, while keeping your finger pressed firmly against the center of the touch screen, until the Calibration screen appears. -
Page 60: Index
Index Dealer Information, 39, Delay Fan-off, see Fan Time between stages, see Time Delay Differential C, 46 Accessories 40, 41 Heat and cool, 36 Calibration, 20, 38 Active Brightness, 19 Dimmer, 19 Celsius, 34 Alerts, 16 Dip Switches Choose Network, 40, 41 view current, 17 ELEC, 48 Cleaning, 3, 20... - Page 61 Index Heat Idle Brightness, 19 Factory Defaults 1st stage resetting, 39 Information, 30 deadband, see Fahrenheit, 34 Installation Settings, 35 Deadband Installation, 45 emergency heat, 42 button function, hours of runtime, 30 see Buttons 2nd stage deadband, off time delay, 38 see Deadband on during heat, electric strip heat,...
- Page 62 Index high and low temp, 1 sensor, 37, 46 viewing temp, 1 Override, 5 Main Menu, 1, 9 Schedule turn on/off, 11 Maintenance, 20 view, 10 Manual edit, 10 changeover, 34 Screen Cleaning, 3, 20 cool, 4 Passcode, 28 Screensaver heat, 4 Photos, 22, 41 turn on/off, 15...
- Page 63 Index Terminals, W1, 46, 47 see Backplate W2, 46, 47 Test Outputs, 38 W3, 46, 47 Themes, 22 Wallpaper, 22 Thermostat Sensor Warranty, 58 calibrate, 37 Wiring, 49 Three Stage Heat, 36 gas/electric, 49 Time, see Clock heat pump, 50 Timers, 35 Time Delay, compressor lockout, 36...
- Page 64 Notes...
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Page 65: Warranty
Warranty Three-Year Warranty - This Product is warranted to be free from defects in material and workmanship. If it appears within three years from the date of original installation, whether or not actual use begins on that date, that the product does not meet this warranty, a new or remanufactured part, at the manufacturer’s sole option to replace any defective part, will be provided without charge for the part itself provided the defective part is returned to the distributor through a qualified servicing dealer. - Page 66 Technical Specifications ColorDisplay Series Thermostat Controllers ColorDisplay Series Thermostat Controllers Power Requirements 20 - 30 VAC 50/60 Hz, 4.8 VA @ 24V nominal. Output Rating W1, W2, W3 = 0.4A max, 0.01A min, 3A inrush, 20 - 30 VAC Y1, Y2, G = 0.8A max, 0.01A min, 3A inrush, 20 - 30 VAC Local Temperature Thermistor, NTC 10K @ 25C Sensor Type...
- Page 67 Printed on recycled paper. LIT-12011968 Rev.2 1/15...
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