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If you have a question about wiring, installing or trouble shooting the Honeywell RTH7500D programmable thermostat post your question in this thread. If you are installing a new Honeywell RTH7500D thermostat check our how to change a thermostat thread.

The Honeywell thermostat model # RTH7500D is a programmable thermostat that can be setup with a different schedule for each day of theweek and allow up to 4 schedules per day.

Below are some of the features of the RTH7500D

  • Extra-large backlit display
  • Universal compatibility — works with virtually all system types
  • Auto change from heat to cool (Use this feature in climates where both air conditioning and heating are used on the same day)
  • +/-1 F precise temperature control
  • Temporary and Permanent hold settings
  • Fahrenheit or Celsius temperature display


  • Filter-change reminder
  • Smart Response Technology - Continually adjust the pre-heating/cooling of your home so you are comfortable at your programmed times
  • Daylight Saving Time ready
  • Room and set temperature display simultaneously
  • Battery-powered or option to hard-wire (the battery power option will allow you to run this thermostat on a system that does not have a common wire ran to the thermostat)
  • Permanent day and time backup
  • Backlit Display
  • Smart Response Technology - This feature allows the thermostat to “learn” how long the furnace and air conditioner take to reach programmed temperature settings, so the temperature is reached at the time you set.
  • Soft-touch button interface

* Does not work with electric baseboard heat (120-240V)
*Call 1-800-468-1502 for wiring assistance before returning the thermostat to the store.


Manuals

Honeywell RTH7500D installation guide





Compatibility chart
Single-Stage Heating and Cooling Yes
Multi-Stage Heating and Cooling Yes
Heat Pump without Auxiliary Heat Yes
Heat Pump with Auxiliary Heat Yes
Gas Fireplaces Yes
Heating Only Yes
Cooling Only Yes
Electric Baseboard Heat (120-240 Volts) Yes



Honeywell rth7500d programmable thermostat wiring diagram for a 1 cool 1 heat system
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Honeywell rth7500d programmable thermostat wiring diagram for a heat pump system
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