Honeywell T8501D

69-1049—1

T8501D DELUXE ZONE THERMOSTAT

Contents

Main INSTALLATION INSTRUCTIONS T8501D Deluxe Zone Thermostat 69-1049-1 Manual Heat-Off-Cool-Auto On-Auto power supply Automatic or not CAUTION Use 18 gauge, color-coded thermostat cable for proper wiring. Mounting Thermostat Using Thermostat Keys SETTINGS System and Fan Settings %Humid System Fan Em HeatOffCool Auto Only T8501D DELUXE ZONE THERMOSTAT Table 2. Thermostat Installer Setup Options. key until the display returns to normal (approximately three seconds). INSTALLER SYSTEM-TEST Em HeatOffCool Auto Only CAUTION Heat Cool OnAuto System Fan Room Outdoor %Humid THERMOSTAT INFORMATION T8501D DELUXE ZONE THERMOSTAT CHECKOUT Outdoor Temperature Sensor (Where Applicable) TROUBLESHOOTING GUIDE Troubleshooting Guide (Continued).