The Right Thermostat: Lennox ComfortSense 7500 Touchscreen Thermostat

The Right Thermostat: Lennox ComfortSense 7500 Touchscreen Thermostat

When they finished installing the HVAC system, the thermostat was not the one they promised. We were told we would have the Lennox ComfortSense 7500 Touchscreen Thermostat. What we had was the Honeywell TH6210U2001/U T6 Pro Programmable Thermostat.

The contractor called the HVAC guy back out, but he did not have the correct one with him.

The thermostat installed with a plate behind it - The Right Thermostat: Lennox ComfortSense 7500 Touchscreen Thermostat – Building our Schumacher Home - Project Small House
The right thermostat installed with a plate behind it

So, they ordered it in and came back today to put it in. It didn’t take long at all to swap them out. For some reason there is a plate put behind it.

When he was testing it to be sure it was connecting correctly, he realized that the heat pump had never been started. We have been running on emergency heat.

So, he went out and started the heat pump and tested everything again.

The new thermostat is touch-screen and REALLY easy to use. Way easier than the one from Honeywell.

ComfortSense 7500 Programmable Thermostat Lennox - The Right Thermostat: Lennox ComfortSense 7500 Touchscreen Thermostat – Building our Schumacher Home - Project Small House
Lennox ComfortSense 7500 Programmable Thermostat

Here is the box with the details.

ComfortSense 7500 Programmable Thermostat Precise, sophisticated control. Multiple energy-saving features. All accessed through a brilliant modern touchscreen interface. The ComfortSense 7500 Programmable Thermostat is a smart, stylish way to control your home comfort system, and your energy use. - The Right Thermostat: Lennox ComfortSense 7500 Touchscreen Thermostat – Building our Schumacher Home - Project Small House
Lennox ComfortSense 7500Programmable Thermostat

ComfortSense 7500
Programmable Thermostat

Precise, sophisticated control. Multiple energy-saving features. All accessed through a brilliant modern touchscreen interface. The ComfortSense 7500 Programmable Thermostat is a smart, stylish way to control your home comfort system, and your energy use.

Touchscreen
Bright, beautiful touchscreen and sleek design

Programmable: 7-Day or 5-Day/2-Day
Versatile programming options offer custom comfort and energy savings

Reminders
Customizable filter, service and part replacement reminders

On-Touch Away Mode
Delivers instant energy savings on demand

Smooth Setback Recovery
Keeps the temperature in your home right where you want it, when you want it by starting the heating or cooling up to 2 hours in advance

Energy Reports
Show how often and how long the heating or cooling system has run

CS7500 Comfort Sense 7500 Programmable Thermostat Universal 7-day Programmable Up to 4 heat / 2 cool With humidity control - The Right Thermostat: Lennox ComfortSense 7500 Touchscreen Thermostat – Building our Schumacher Home - Project Small House
Lennox CS7500 Comfort Sense 7500 Universal 7-day Programmable Thermostat

CS7500
ComfortSense 7500 Programmable Thermostat

Universal 7-day Programmable
Up to 4 heat / 2 cool
With humidity control
13H14
4603500071
P/N 104513-01
Rev 0202/010400
S/N A218H00509
Made in Indonesia

CS7500 Comfort Sense 7500 Programmable Thermostat • Catalog #13H14 • Universal compatibility: works with heat pumps and conventional systems • Up to 4 stages of heat and 2 stages of cooling • Dual-fuel capability • Can control humidifiers and dehumidifiers • Auto-changeover between heating and cooling - The Right Thermostat: Lennox ComfortSense 7500 Touchscreen Thermostat – Building our Schumacher Home - Project Small House
Lennox CS7500 Comfort Sense 7500 Universal Programmable Thermostat

CS7500
ComfortSense 7500 Programmable Thermostat

  • Catalog #13H14
  • Universal compatibility: works with heat pumps and conventional systems
  • Up to 4 stages of heat and 2 stages of cooling
  • Dual-fuel capability
  • Can control humidifiers and dehumidifiers
  • Auto-changeover between heating and cooling
  • R, C, Y1, Y2, W1, W2, G, D, H, O, B, T, T
  • 5-year warranty

I set the date and time. Very easy.

When it is not touched, the screen goes black.

All done.

What do all the letters mean?

The side of the box says: R, C, Y1, Y2, W1, W2, G, D, H, O, B, T, T

What in the world does that mean?

I Googled it. These are abbreviations for all of the wiring and the things that the thermostat can control.

  • R, C and B provide power.
  • Y1 and Y2 control air conditioning
  • W1 and W2 control heating
  • G controls the fan
  • D and H are universal terminals.
    The functions depending on configuration. It can control emergency heating or engage the third stage of heating in 3 stage heat systems
  • B is for a Reversing Valve
  • T and T are for the two temperature sensor, indoor and outdoor

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