Honeywell CM907 manual Choosing the Operating Mode, During Normal Operation

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OPERATING THE CM907

Choosing the Operating Mode

The thermostat can operate in three different modes: Automatic, Manual or Off. To set the operating mode move the slider switch to the desired position. The screen indicates which mode is currently active by displaying AUTO, MAN or OFF.

AUTO (automatic) mode

Automatic mode sets the thermostat to follow the temperature program (default or personalised). Operating the thermostat in this mode is the best way to maintain a high level of temperature comfort whilst maximising your energy savings.

MAN (manual) mode

Manual mode sets the thermostat to act as a simple thermostat with a fixed setpoint throughout the day. The setpoint can be adjusted from 5°C to 35°C

by using the or buttons. The thermostat will continue to maintain this temperature until another operating mode or temperature is selected.

OFF mode

Off mode sets the thermostat to control to a minimum temperature setting of 5°C (default) that acts as a frost protection measure for your home. This value can be adjusted by calling your installer.

During Normal Operation

Temperature Enquiry

In AUTO and MAN operating modes the thermostat will display the current room temperature, which is indicated by the text ‘ROOM TEMP’ displayed on the screen. To review the programmed ‘target’ temperature (the temperature which the thermostat is trying to maintain) press the button. This ‘target’ temperature value will be displayed flashing and the text ‘TARGET TEMP’ will be shown for 5 seconds before returning to the current room temperature value.

In OFF operating mode the thermostat again displays the current room temperature, as above, but when the button is pressed the text ‘FROST TEMP’ is displayed indicating the set value to protect your home. To modify this value please contact your installer.

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Contents CM907 User Guide Controls Layout Installing the Batteries To install the BatteriesTo set the Date and Time Setting the Date and TimeRunning the Built-in Heating Program Modifying the Heating Program Built-in Heating ProgramReviewing the Heating Program To Copy the Monday’s program to another day To program a different dayDisabling / Enabling Time Periods To disable time periodsTo enable time periods Choosing the Operating Mode During Normal OperationUsing the Special Functions Temperature OverrideHoliday Function To set the Holiday functionParty Function To set the Party functionAdjusting the Time To set the Day Off functionChanging the User Parameters To change any of these user’s parametersChange the time format Ii Reset the built-in program to the factory defaultIii Enable or disable summer/winter time change How do I set one temperature for the whole day? What is Optimum Start?Can I use my CM907 to control my air-conditioning system? Remote Temperature Sensor Accessory Troubleshooting Guide Symptom Possible Cause RemedyAn explanation for householders
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CM907 specifications

The Honeywell CM907 is a sophisticated programmable room thermostat designed to enhance energy efficiency while providing comfort and convenience in residential and commercial heating systems. As a part of Honeywell’s acclaimed suite of heating controls, the CM907 combines functionality with modern aesthetics, ensuring an appealing design without sacrificing performance.

One of the standout features of the CM907 is its advanced programmable capabilities. This thermostat allows users to tailor their heating schedules according to their lifestyle, enabling savings on energy costs. The ability to set different temperature profiles for weekdays and weekends is particularly beneficial, providing flexibility that aligns with varying routines. With its intuitive interface, users can easily navigate through options to customize heating patterns throughout the week.

The CM907 operates on an open window detection technology, which is a crucial element for energy conservation. This feature senses sudden drops in room temperature, typically indicative of an open window, and automatically adjusts the heating to prevent unnecessary energy wastage. Such intelligent features not only promote sustainability but also contribute to lower energy bills.

Moreover, the CM907 supports both 24V and 230V heating systems, making it compatible with a wide range of applications, including systems using gas, oil, or electric heating. This versatility means homeowners and contractors can deploy the CM907 across various installations without concern for compatibility issues.

Another significant characteristic of the CM907 is its large, clear display, which facilitates easy reading and settings adjustments. Backlit for visibility in low-light conditions, this display enhances user experience by making temperature settings and programming straightforward, even for those less familiar with technology.

The Honeywell CM907 also integrates well with smart home systems, allowing for remote access and adjustments through Wi-Fi applications. While it may not possess the full capabilities of some advanced smart thermostats, its compatibility with home automation systems makes it a valuable addition for many users looking to modernize their heating controls.

In summary, the Honeywell CM907 is a remarkable programmable thermostat that blends efficient technology with user-friendly features. Its programmable scheduling, open window detection, compatibility with various heating systems, and smart home integration potential make it a powerful tool for both energy management and comfort. For anyone seeking an economical solution to maintain optimal room temperatures, the CM907 stands out as a reliable and efficient choice.