Johnson Controls GLAS Installation Instructions Manual
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- User manual (47 pages) ,
- Installation instructions manual (46 pages) ,
- Technical bulletin (21 pages)
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Summary of Contents for Johnson Controls GLAS
- Page 1 Preliminary - This is information may change 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.
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Page 3: Tools Required
Preliminary - This is information may change Included in box GLAS Thermostat 4 Screws Wall Plate 4 Drywall Anchors 4 to 5 Wire Adapter Quick Start Guide Tools required Screwdriver Drill Level GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls... - Page 4 Preliminary - This is information may change 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 glas.johnsoncontrols.com/compatibilitychecker. One or two stages Heating...
- Page 5 Second stage of cooling command or second stage heat pump First stage of conventional heating or first stage auxiliary heat for heat pump systems Second stage of conventional heating or second stage of auxiliary heat for heat pump system GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 6 Preliminary - This is information may change Terminal descriptions Heat pump reversing valve (supports both O type and B type) Auxiliary - humidifier, dehumidifier, or ventilator 24 VAC Cool 24 VAC Hot 24 VAC Common GLAS Smart Thermostat Installation Instructions © 2017 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.
- Page 8 If the system does not power on in a few minutes, it is off. IMPORTANT: Never work with live voltage. GLAS Smart Thermostat Installation Instructions © 2017 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 © 2017 Johnson Controls...
- Page 10 4. Remove the cover of your furnace or air handling unit to access the control board. In your HVAC equipment, disconnect any R,G,Y, or W wires that are currently connected to the control board. GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 11 7. Connect the five included wires on the other side of the adapter to the open terminals on the control board. 4-5 Wire Adapter Note: The adapter includes a magnet for To Wall easy mounting after installation. GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 12 9. 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 © 2017 Johnson Controls...
- Page 13 9. Remove the frontplate by pulling the top of the silver cover towards you. 10. Use a level to dry fit your GLAS and mark the wall where you plan to hang the thermostat. Then drill in the drywall anchors.
- Page 14 Preliminary - This is information may change Attaching your GLAS 12. Loosely attach your GLAS to the wall using the included screws. 13. Use a level to straighten the thermostat and tighten the screws. Do not overtighten. GLAS Smart Thermostat Installation Instructions...
- Page 15 14. Use the picture you took of your old wiring as a reference and connect the wires to the corresponding terminals on your new GLAS. See pages 20-39 for wiring examples. Note: You do not need to have a wire for every terminal.
- Page 16 Preliminary - This is information may change Attach the front plate 15. Make sure any access wire is flush against the wall and press the front plate until you hear a click. GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 17 Confirm that the wiring is correct and tap on any terminals that may have been incorrectly identified. 18. Follow the instructions on the device screen to complete the setup for your HVAC equipment. GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 18 Preliminary - This is information may change GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 19 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 © 2017 Johnson Controls...
- Page 20 Preliminary - This is information may change Traditional AC and Heat GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
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Page 21: Heat Pump
Preliminary - This is information may change Heat Pump GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls... - Page 22 Preliminary - This is information may change One Stage Heat Pump with One Stage Auxiliary Heat GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 23 Preliminary - This is information may change Traditional Heat GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 24 Preliminary - This is information may change Traditional AC GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 25 Preliminary - This is information may change Self-Powered Auxiliary Device GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 26 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 © 2017 Johnson Controls...
- Page 27 Preliminary - This is information may change Furnace-Powered Auxiliary Device GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 28 An auxiliary device that has two terminals with the same label (HUM, DEHUM, or AUX) and no C terminal requires a relay pack for operation. 1. Connect the relay pack coil between the auxiliary device and C terminal on your GLAS device.
- Page 29 Preliminary - This is information may change Two Wire Auxiliary Device without C Terminal GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 30 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 31 Preliminary - This is information may change Two Wire Auxiliary Device with C Terminal GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 32 Preliminary - This is information may change Dual-Stage Heat GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 33 Preliminary - This is information may change Dual-Stage AC GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 34 Preliminary - This is information may change Dual-Stage Heat and Traditional AC GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 35 Preliminary - This is information may change Dual-Stage Heat and Dual-Stage AC GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 36 Preliminary - This is information may change Dual-Stage Heat Pump GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 37 Preliminary - This is information may change Dual-Stage Heat Pump with Auxiliary Heat GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 38 Preliminary - This is information may change Heat Pump with Dual-Stage Auxiliary Heat GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 39 Preliminary - This is information may change Heat Pump with Auxiliary Heat GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 40 · This device shall be installed to maintain a separation distance of 20 cm from the general population. Changes or modifications not expressly approved by Johnson Controls would void your authority to operate this device. GLAS Smart Thermostat Installation Instructions...
- Page 41 Preliminary - This is information may change GLAS Smart Thermostat Installation Instructions © 2017 Johnson Controls...
- Page 42 LIT-12012975...