Installing Your Johnson Controls GLAS Smart Thermostat

What You'll Need

• Johnson Controls GLAS Smart Thermostat
• GLAS app (iOS or Android)
• Wi-Fi network
• Compatible HVAC system

Step-by-Step Setup

1. Turn off HVAC power
2. Remove old thermostat
3. Install GLAS backplate
4. Connect wires
5. Attach GLAS display
6. Restore power
7. Follow touchscreen setup:
   • Connect to Wi-Fi
   • Create account in GLAS app

Key Features

• Transparent OLED touchscreen display
• Air quality monitoring (VOCs, CO2)
• Cortana, Alexa, Google compatible
• Humidity and UV index
• Scheduling and geofencing
• Striking modern design

Troubleshooting

• Display issues: Transparent OLED - ensure proper lighting
• Air quality calibration: Allow 24-48 hours
• C-wire required: Needs constant power
• Reset: Settings → Factory Reset