How does a Honeywell DT90E thermostat work?

The DT90E digital room thermostat has been designed to provide automatic temperature control of gas or oil fired boiler systems, underfloor heating, electric heating and zoning systems. The DT90E has an ECO button energy saving feature which gives timed setback or boosts temperatures to reduce energy demand.

What is heat cool changeover Honeywell?

It works by sensing the air temperature, switching on the heating when the air temperature falls below the thermostat setting, and switching it off once this set temperature has been reached. The heating system will not work if a time switch or programmer has switched it off.

How do you use Honeywell digital thermostat?

Press the “System” button to put the thermostat in Heat, Cool or Off mode. To change the setting, push the button again. The screen will display the setting you’ve selected. On the right side of the display, the up and down arrow buttons operate the temperature settings.

How do I set the temperature on my Honeywell DT90E?

Simply press one of the arrow buttons and the display will show the set temperature. After a few seconds it will go back to showing the room temperature. Keep pressing the arrow buttons and the display will change to show the new set temperature.

Why wont my Honeywell thermostat show cool options?

Honeywell Thermostat Not Cooling When this occurs, the first thing you want to do is make sure it’s set to the “cool” setting or the on position and that any panels are closed. If you see one, that means the thermostat is currently in delay mode and should work normally within 5 minutes.

What do you need to know about Honeywell dt90 thermostats?

The DT90 room thermostats is designed to provide comfort with economy in modern heating systems. Its large display and simple button interface make DT90 extremely easy to use. Energy efficiency is addressed by state-of-the-art TPI control performance and an ECO button energy saving feature.

How big is the Honeywell dt90a1008 digital non programmable room?

Please enter a question. Honeywell Home DT90A1008 2.7 x 9 x 9.2 cm; 165 Grams 2 AA batteries required. (included) DT90A1008 2.7 x 9 x 9.2 cm Alimentato bis Akkus 1 A thermostat and all the fixings and accessories.

Which is the best Honeywell room thermostat to buy?

With a modern fresh look that complements any style of décor and a range of valued features for users and installers alike, DT90 sets the standard for simple room thermostats. There was a problem filtering reviews right now. Please try again later. I wanted to replace my old erratic mechanical room stat with a nice new modern one.