Honeywell Thermostat Manual - How to Setup RTH7500D Thermostat

Honeywell Thermostats are used in many different applications including heating, cooling, ventilation, humidity control, and more. Learn how to program them using the manual!

Honeywell thermostats RTH7500D are used in homes all over the world for heating, cooling, ventilation and other functions. The Honeywell HVAC system is designed to operate efficiently and reliably. This guide will teach you how to use the Honeywell thermostat manual to program the unit.

Honeywell Thermostat Manual - How to setup RTH7500D

Setting up the thermostat

To set up the thermostat, follow these steps:

  1. Press the power button until the display shows “Honeywell”
  2. Press and release the System button
    Honeywell RTH7500D guide 1
  3. Hold down the center button for around five seconds, or until the screen changes.
    Honeywell setup
  4. When the display on your thermostat seems like the display below, release the center button.
    Honeywell thermostat setup guide
  5. To pick your configuration for Installer Setup Number 0120, use the Up or Down arrows.
  6. After you've made your selection, click the Next button to go to the next Installer Setup Number.
  7. To finish configuring the calendar, repeat steps 5 and 6 to enter Installer Setup Numbers 0130, 0140, and 0150.
  8. To change the configuration for another Installer Setup Number, please use the Up or Down arrows.
    screen display and button rth7500d
  9. After you've made your selection, press the Next button to proceed to the next Installer Setup Number.
  10. After you configure all setting you need, please press Done button to Exit the Installer Setup and save your settings
  11. Congrats! your Thermostat is completely installed.

Installer Setup Number Code

Installer Setup Number Installer Setup Name Installer Number Setting Description
0120 Date (Year Upper) Select first two digits of current calendar year (20 for 2021,etc)

0130

Date (Year Lower) Select last two digits of current calendar year (21 for 2021,etc)
0140 Date (month) pick number represent current calendar month
0150 Date (Day) Choose number that represent current calendar date
0170 System Type Selection
  1. Heating and cooling (Conventional) - Gas, oil or electric heating with central air conditioning
  2. Single-stage Heat Pump with no back-up or auxiliary heat - the compressor runs in both heating and cooling
  3. Heat only with no fan (Conventional) - Gas, oil or electric heating without central air conditioning. No wire on the G terminal on new thermostat
  4. Heat only with fan (Conventional) - Gas, oil or electric heating without central air conditioning. Typically wires R, W and G on new thermostat
  5. Hot water Heat only (conventional) - Gas or oil hot water heat with three wires connected to new thermostat or for normally closed hot water values with wires connected to R and Y on new thermostat
  6. Cool Only (conventional) - Central air conditioning only
  7. Multistage heat pumps - heat pump with auxiliary or back-up heat
  8. Multistage conventional heating and cooling - 2 stages of heat (wires on W2 and W) and 2 stages of Cool (wires on Y and Y2)
  9. Multistage conventional Heating and cooling - 2 stages of heat (wires on W and W2) and 1 stage of cool (wire on Y)
  10. Multistage conventional Heating and cooling - 1 stage of heat (wire on W) and 2 stages of cool (wires on Y and Y2)
0180 Fan control in Heating

0 - Gas or Oil Heat - heating system controls fan in a call for heat

1 - Electric Heat - thermostat controls fan in a call for heat

0190 Heat pump Changeover Valve

0- Changeover valve in cooling - use this configuration if you connected a wire labeled O to the O/B terminal

1 - Changeover Valve in Heating - Use this setting if you connected a wire labeled B to the O/B terminal

0240 Heating cycle rate

5 - Gas or oil Furnace (less than 90% efficient)

9 - Electric furnace

3 - Gas or oil hot water, gas 90%+ high-efficiency furnace

1 - Gas or oil steam, gas or oil gravity

0320 Temperature indication scale

0 - Fahrenheit temperature display

1 - Celcius temperature display

0330 Daylight savings

0 - Daylgiht saving is off - clock will not adjust for daylight savings time

1 - Daylight saving is On - clock will automatically adjust for daylight saving time

0500 Furnace filter change reminder

0 - Furnace filter change reminder is off

1  - Approximately 1 month --based on 10 days of fan run time.
2 - Approximately 3 months - based on 30 days of fan run time.
3 - Approximately 6 months - based on 60 days of fan run time.
4 - Approximately 9 months - based on 90 days of fan run time.
5 - Approximately 1 year - based on 120 days of fan run time.
6 - Approximately 3 years - based on 365 days of fan run time.

0530 Adaptive Intelligent Recovery 0 - Conventional recovery - system starts recovery at programmed
time.
1 - Adaptive Intelligent Recovery - system starts early so the setting is reached by the start of programmed period.
0640 Clock Format 12 - 12-hour clock format.
24 - 24-hour clock format.

For detailed installation guide, you can look at the Honeywell RTH7500D User Guide