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Johnson Controls GLAS Installation Instructions Manual
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Johnson Controls GLAS Installation Instructions Manual

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GLAS
Installation Instructions

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Summary of Contents for Johnson Controls GLAS

  • Page 1 GLAS Installation Instructions...
  • Page 2 Before you start, download the GLAS app for easy installation. Google Play and the Google Play Logo are marks and/or registered marks of Google LLC. Apple, the Apple Logo and App Store are marks and/or registered marks of Apple Inc.

  • Page 3: Tools Required

    2x 1" Pan-head Phillips screws Air seal 2x 1" Flat-head Phillips screws Wall plate 4x Drywall anchors C-wire adapter Wiring stickers Quick start guide Tools required Screwdriver Drill with 1/4" bit Level GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 4 Compatibility GLAS is compatible with most 24 VAC heating and cooling systems. Use the compatibility checker to ensure your system will work with GLAS by going to www.glas.johnsoncontrols.com/compatibilitychecker. Heating One or two stages Cooling One or two stages Heat Pump...

  • Page 5: Terminal Descriptions

    Note: If you have only one R wire, connect to RC. Note: If you are removing an existing thermostat, remove any jumper wires between R and RH or RC and RH. You will not need these for GLAS. First stage of cooling or first stage heat pump...
  • Page 6 Terminal descriptions Heat pump reversing valve (supports both O type and B type) Auxiliary - humidifier, dehumidifier, or ventilator 24 VAC Cool 24 VAC Heat 24 VAC Common GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 7 110, 120, or 240 volts, you have a high voltage system that is not compatible with the GLAS Thermostat. Do not connect your thermostat to these high voltage wires. GLAS is only compatible with 24 VAC systems.
  • Page 8 If you have any doubts about properly installing the device, please contact a professional installer. GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 9 3. If you are replacing an existing thermostat, remove the front plate of your old thermostat and take a picture of the current wire colors and connections. This picture will come in handy when connecting your new thermostat. GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...

  • Page 10: Removing Your Old Thermostat

    5. Disconnect your old thermostat and remove the backplate. Note: While disconnecting your old thermostat, use drywall-safe tape to secure the wires and keep them from falling back into the wall. GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 11 7. Use a level and the included wall plate to mark the wall where you plan to hang the thermostat. Then drill the holes using the 1/4” drill bit and push in the drywall anchors. GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 12 Installing your GLAS 8. Remove the liner over the air seal adhesive and align the seal with the drill holes on the back side of the GLAS device. Lightly press to secure. Note: If you are using the optional back plate, secure between the wall and the GLAS before screwing in the device.
  • Page 13 Attaching your GLAS 10. Loosely attach your GLAS to the anchors installed in the wall using the included screws. 11. Use a level to straighten the thermostat and tighten the screws until snug. Do not overtighten. GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 14 13. In your HVAC equipment, disconnect the Y, W, R, or G thermostat wires that are currently connected to the control board. Do not disconnect any of the other wires. GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 15 W(2) the control board. R (3) G (4) Note: See pages 20-22 for wiring configurations. Note: Connections for the G, Y, and R wires are required to support the adapter. GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 16 Wiring your GLAS 16. Use the picture you took of your old wiring and the wiring stickers as a reference and connect the wires to the corresponding terminals on your new GLAS. See pages 23-43 for wiring examples. Note: Depending on the features of your furnace or air handler, you may not have a connection for every terminal.
  • Page 17 This will enable the backup battery in your device. 18. Make sure any excess wire is flush against the device and press the front plate until you hear a click. GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 18 19. Return to your heating and cooling system switch or breaker box to turn the power back on. 20. Once power has been switched on, wait for the welcome screen with the GLAS logo and select Tap to continue. After continuing, you will be prompted to accept the End User License Agreement and then the Privacy Notice and Terms of Service to access Internet-enabled features.

  • Page 19: Wiring Diagrams

    NOTE: Wire colors are for reference only. Not every installation will have wires of the same color. If you are unsure of how to properly install the unit, please contact a licensed electrician or a professional HVAC installer before attempting the installation. GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 20 GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 21 GLAS Air Handler Control Board C-wire adapter Y (1) W(2) WIRES IN WALL TO GLAS DEVICE R (3) G (4) To GLAS *Any additional wires should bypass the C-wire adapter GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 22 GLAS Air Handler Control Board C-wire adapter Y (1) W(2) WIRES IN WALL TO GLAS DEVICE R (3) G (4) To GLAS *Any additional wires should bypass the C-wire adapter GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 23 GLAS Air Handler Control Board C-wire adapter Y (1) W(2) WIRES IN WALL TO GLAS DEVICE R (3) G (4) To GLAS *Any additional wires should bypass the C-wire adapter GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 24 Traditional AC and Heat HVAC System Control Board Cool Heat Stage 1 Stage 1 Furnace r e d ic e r n a Outdoor AC Unit GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 25 Heat Pump HVAC System Control Board Compressor Reversing Stage 1 Valve Furnace r e d ic e r n a Heat Pump GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 26 One Stage Heat Pump with One Stage Auxiliary Heat HVAC System Control Board Compressor Aux Heat Command Reversing Stage 1 Stage 1 Valve Furnace r e d ic e r n a Heat Pump GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 27 RC terminal is used. Furnace NOTE: Forced air heating systems often have a G wire to run the fan independently, but not all systems use a G wire. GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 28 Traditional AC HVAC System Control Board Cool Stage 1 Air Handler r e d ic e r n a Outdoor AC Unit GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 29 Self-Powered Auxiliary Device AUX Device HVAC System Control Board Switch Relay 24 VAC Coil AUX Device GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 30 An integrated auxiliary system is built into a furnace or air handler that shares the same power supply as the rest of the system and only requires a single control wire. GLAS smart thermostat installation instructions - 2018 Johnson Controls...
  • Page 31 Furnace-Powered Auxiliary Device HVAC System Control Board Cool Heat Stage 1 Stage 1 AUX Device r e d ic e r n a Furnace GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 32 Controls representative. 1. Connect the relay pack coil between the auxiliary device and C terminal on your GLAS device. 2. Connect the switch side of the relay pack to the two terminals on the AUX device. GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 33 Two Wire Auxiliary Device without C Terminal AUX Device HUM 1 HUM 2 HVAC System Control Board Switch Relay Humidifier 24 VAC Coil GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 34 An auxiliary device with one C terminal that does not require a relay pack for operation. 1. Connect the C terminal of the device to the C terminal on the furnace or air handler. 2. Connect the AUX terminal of your GLAS device to the control terminal on the auxiliary device.
  • Page 35 Two Wire Auxiliary Device with C Terminal HVAC System AUX Device Control Board 2-Wire AUX Device GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 36 Dual-Stage Heat HVAC System Control Board Heat Heat Stage 1 Stage 2 r e d ic e r n a Furnace GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 37 Dual-Stage AC HVAC System Control Board Cool Cool Stage 1 Stage 2 Air Handler r e d ic e r n a AC Unit GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 38 Dual-Stage Heat and Traditional AC HVAC System Control Board Cool Heat Heat Stage 1 Stage 1 Stage 2 Furnace r e d ic e r n a AC Unit GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 39 Dual-Stage Heat and Dual-Stage AC HVAC System Control Board Heat Heat Cool Cool Stage 1 Stage 2 Stage 1 Stage 2 Furnace r e d ic e r n a AC Unit GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 40 Dual-Stage Heat Pump HVAC System Control Board Compressor Commands Heat/Cool Reversing Stage 1 Stage 2 Valve Furnace r e d ic e r n a Heat Pump GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 41 HVAC System Control Board Compressor Commands Aux Heat Commands Heat/Cool Heat Reversing Stage 1 Stage 1 Stage 2 Valve Furnace r e d ic e r n a Heat Pump GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 42 Heat Pump with Dual-Stage Auxiliary Heat HVAC System Control Board Heat Heat Cool Reversing Stage 1 Stage 2 Stage 1 Valve Heat Pump GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 43 Traditional Heat/AC with Dual Transformers Air Handler/Cooling Boiler/Heat Control Board Control Board Air Handler r e d ic e r n a Outdoor AC Unit Boiler GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 44 · This device shall be installed to maintain a separation distance of at least 20 cm (8 in) from the general population. Changes or modifications not expressly approved by Johnson Controls will void your authority to operate this device. Warranty can be found at www.glas.johnsoncontrols.com/legal/warranty.
  • Page 45 GLAS smart thermostat installation instructions - 2018 Johnson Controls ©...
  • Page 46 Part No. 24-11158-00016, Rev. D...