![Users Users](/uploads/1/2/6/2/126266032/723906625.jpg)
I have a Proseries Honeywell thermostat. How do I unlock it? Contractor's Assistant: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat? Specific to the thermostat. Contractor's Assistant: Do you plan on doing the work yourself?
![Honeywell Pro Series Th4110u2005-1805 Users Manual Honeywell Pro Series Th4110u2005-1805 Users Manual](/uploads/1/2/6/2/126266032/159491476.jpg)
- 1Programmable Thermostat
- 1User Guide
- 1Thermostat Controls
- 1Customer Assistance
- 2Fan Operation Settings
- 2Set Time and Date
- 3To Adjust Program Schedules
- 3Program Schedule
- 4Program Schedule Override
- 4Setting Degrees Fahrenheit or Celcius
- 5Adjusting Keypad Lockout
- 5Adaptive Intelligent Recovery
- 5Built-in Compressor Protection
- 6Battery Replacement
- 6Low Battery Warning
- 7Air Filter Reminder
- 7Snoozing and Clearing Alerts/reminders
- 8Troubleshooting
- 9Year Limited Warranty
- 11Commandes Du Thermostat
- 15Réglage Du Verrouillage Du Clavier
- 15Protection Intégrée Du Compresseur
- 16Remplacement Des Piles