Honeywell CM901 manual Installing the Batteries, To install the Batteries

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GETTING STARTED WITH THE CM901

This section shows you how to setup and run the thermostat in 3 simple steps:

STEP 1: Installing the Batteries

Note: Please follow the instructions in this section only if the thermostat screen is blank (no symbols or digits are displayed). If the screen displays some information move on to STEP 2: Setting the Date and Time.

To install the Batteries:

a.Lift up the front cover of the thermostat

to reveal the battery cover and product controls.

b.Remove the battery cover by pressing down and sliding out.

c.Insert the 2 x AA LR6 Alkaline Batteries supplied with the thermostat, ensuring the correct orientation (see ‘Controls Layout’ on page 2).

d. After a short pause the thermostat will display information on the screen and is now ready for use.

e. Replace the battery cover by sliding it firmly back into the front of the thermostat.

PLEASE RESPECT YOUR ENVIRONMENT!

Take care to dispose of used batteries carefully.

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Contents CM901 User Guide Controls Layout Contents To install the Batteries Installing the BatteriesSetting the Date and Time Running the Built-in Heating ProgramTo set the Date and Time Built-in Heating Program Reviewing the Heating ProgramModifying the Heating Program To press or buttons To disable time periods To enable time periodsDisabling / Enabling Time Periods Choosing the Operating Mode Adjusting the TimeDuring Normal Operation To set the Holiday function Using the Special FunctionsTemperature Override Holiday FunctionTo change any of these user’s parameters Changing the User ParametersIi Reset the built-in program to the factory default Iii Enable or disable summer/winter time changeChange the time format What is Optimum Start? How do I set one temperature for the whole day?Can I use my CM901 to control my air-conditioning system? Remote Temperature Sensor Accessory Symptom Possible Cause Remedy Troubleshooting GuideAn explanation for householders What is a Programmable Room THERMOSTAT? 42010943-103 R1

CM901 specifications

The Honeywell CM901 is a highly efficient, programmable room thermostat designed for residential heating systems. This versatile device caters to the needs of homeowners by combining user-friendly features with advanced technology to ensure optimal climate control in living spaces.

One of the standout features of the CM901 is its ability to offer seven-day programming. Users can set different heating schedules for each day of the week, allowing for flexibility according to their lifestyle. This functionality is particularly beneficial for families with varying routines, enabling energy savings during times when the home is unoccupied. Users can program the thermostat to reduce heating in the mornings when they are away and ramp up the temperature just before they return home.

The CM901 supports a wide range of heating systems, including gas, oil, and electric boilers, as well as underfloor heating systems. This compatibility makes it suitable for a variety of homes and heating setups, ensuring that it can meet the unique needs of different households. Furthermore, its easy installation process allows homeowners or contractors to set it up with minimal hassle.

Equipped with an intuitive interface, the CM901 features a clear LCD display that shows the current room temperature and set point at a glance. The backlit screen enhances usability, enabling users to read the display in low-light conditions. The device also allows for manual override, making it convenient for users to adjust settings on-the-fly without interfering with their programmed schedule.

Energy efficiency is a prime focus of the CM901, as it helps reduce heating costs while maintaining comfort. Its precise temperature control and programming capabilities ensure that heating is only used when necessary, leading to reduced energy consumption. This not only benefits the environment but also helps homeowners save money on their energy bills.

In terms of build quality, the Honeywell CM901 boasts a sleek and modern design that fits seamlessly into contemporary home decor. Its durable construction ensures longevity, offering reliable service for years to come.

Overall, the Honeywell CM901 stands out as a practical solution for homeowners seeking a blend of comfort, efficiency, and ease of use in their heating systems. With its programmable features, adaptability, and user-friendly interface, the CM901 is an excellent choice for those looking to enhance their indoor climate control experience.