Appendix

In case of difficulty

homexperttm by Honeywell THR872CUK Wireless Programmable Thermostat

In case of difficulty (re-binding procedure)

Thermostat screen

• Make sure two fresh AA alkaline batteries are properly installed (see

is blank

page 24).

 

 

Heating or cooling

• Check thermostat batteries (see above).

system does not

• Make sure heating and cooling systems have power. Check fuses and

respond

circuit breakers and replace or reset as needed.

 

 

• Check wiring (pages 22-23) and system configuration (pages 30-31).

 

• If red light on relay box is on, the thermostat and relay box may not be able

 

to communicate. See “Rebinding Procedure” on page 33.

 

• If above remedies cannot resolve the problem, the thermostat may

 

have to be moved. Try a location closer to the relay box, or farther

 

away from interference by metal objects or electronic devices such as

 

televisions, sound systems, PCs, etc.

 

 

Desired temperature

• If above remedies cannot resolve the problem, the thermostat may

cannot be maintained

have to be moved. Make sure it is not installed near sources of hot or

 

cold air (radiators, windows, heating or cooling ducts).

 

 

Press and hold relay box button (steps 1-2)

Press and hold these thermostat buttons (step 4)

CONTROL BINDING

Press thermostat OK button (step 5). Relay box red light should turn off.

If you must replace a wireless thermostat or relay box, the system may not work properly afterward. Follow the steps below to re-establish wireless communication.

1Hold thermostat about 1 or 2 metres from the relay box, then press and hold the relay box button for 15 seconds.

Note: After 5 seconds the red light flashing pattern will change, but you must hold down the button for at least 15 seconds.

2Release the relay box button, then press and hold it again for 5 seconds, until the red light flashes evenly (“binding” mode).

3Release the relay box button, then press the thermostat OFF button.

4Press and hold the thermostat p, q and < buttons until CONTROL BINDING appears on the display screen.

5Press the thermostat OK button to signal the relay box. The red light on the relay box should turn off. If not, wait a few seconds, then press OK again.

6Relocate and test the thermostat, as shown on page 24.

32

33

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Image 17
Honeywell THR872CUK user manual Case of difficulty re-binding procedure
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THR872CUK specifications

The Honeywell THR872CUK is a sophisticated and versatile thermostat designed to improve home heating and cooling efficiency. With a modern design and user-friendly interface, this thermostat not only enhances comfort but also promotes energy savings for homeowners.

One of the standout features of the THR872CUK is its programmable functionality. Users can set customized heating and cooling schedules tailored to their daily routines, ensuring optimal comfort when needed while reducing energy consumption during off-peak times. The thermostat allows for multiple daily settings, which can be adjusted via the easy-to-navigate touchscreen interface.

Another key characteristic of the THR872CUK is its compatibility with various heating systems, including combi boilers, heat pumps, and electric heating. This versatility makes it a suitable choice for a wide range of heating applications, accommodating different home environments and user preferences.

The Honeywell THR872CUK also incorporates smart technology, allowing for remote access through a smartphone app. This feature enables homeowners to monitor and adjust their heating and cooling settings from anywhere, ensuring they can maintain comfort even when they are away from home. The ability to receive alerts and notifications regarding system performance further enhances the convenience of managing home climate.

Additionally, the thermostat is designed with energy efficiency in mind. It features an eco-friendly mode that optimizes energy use without sacrificing comfort. The THR872CUK also provides users with real-time energy usage data, empowering them to make informed decisions about their energy consumption.

Installation of the THR872CUK is straightforward, with the device designed for easy integration into existing heating systems. The clear instructions and intuitive setup process make it accessible for both DIY enthusiasts and professional installers alike.

In terms of design, the Honeywell THR872CUK boasts a sleek and modern appearance that complements any home décor. The bright, clear display is easy to read, and the intuitive interface allows users to navigate through various settings effortlessly.

Overall, the Honeywell THR872CUK combines advanced technology, user-friendly features, and energy-saving capabilities, making it an excellent choice for homeowners looking to enhance comfort and efficiency in their living spaces. Its adaptability to different heating systems and remote access functionality set it apart as a leading option in the thermostat market.
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