Honeywell CM927 user manual

To reset your Honeywell CM921 thermostat, follow these steps:
1. Press and hold the "i" (information) button on the right side of the thermostat for approximately 5 seconds until the display screen changes.
. Use the arrow buttons to navigate to the "Reset" option and press the "i" button to select it.
3. You will be prompted to confirm the reset. Use the arrow buttons to select "Yes" and press the "i" button to confirm.
4. The thermostat will reset to its default settings and any programmed schedules or custom settings will be cleared.
5. After the reset, you can reprogram your thermostat by following the user manual instructions provided by Honeywell.
It's important to note that resetting the thermostat will erase all existing settings, so make sure to have any desired information or settings saved before proceeding with the reset.

The equivalent to Honeywell CM927 could be Honeywell CM921, CM927RFB4, CM930B1016, CM702, or CM707. These are all programmable wireless thermostats. The specific equivalent can vary based on the specific features you are looking for.

The Honeywell CM927 is a programmable wireless thermostat designed to control heating systems in homes or buildings. Here's how it works:
1. Installation: The CM927 thermostat is installed on a suitable wall in a central location of the house or building. It operates wirelessly, so there is no need for complex wiring.
2. Programming: The thermostat allows you to set different temperature schedules for different times of the day or week. You can program different heating levels based on your preferences, ensuring a comfortable environment throughout the day.
3. Wireless Communication: The CM927 communicates wirelessly with a receiver unit, which is connected to the heating system. The two devices establish a secure connection, allowing the thermostat to control the heating system remotely.
4. Temperature Sensors: The CM927 uses built-in temperature sensors to monitor the current temperature in the room or area where it is installed. It constantly compares the actual room temperature with the desired setpoint temperature.
5. Control Options: The thermostat offers different control options. You can manually adjust the temperature using the buttons and the LCD screen on the device. Additionally, you can control it remotely by using a handheld remote control, which is included with the thermostat.
6. Adaptive Function: Honeywell CM927 features an adaptive function that learns how long it takes for the heating system to reach the desired temperature in different weather conditions. It adjusts the heating start time automatically to ensure the desired temperature is reached at the programmed time.
7. Energy Efficiency: The CM927 helps save energy by allowing precise control over the heating system. It enables you to program temperature setbacks during periods of absence or night-time, preventing unnecessary energy consumption.
8. Battery-Powered: The CM927 is battery-powered, ensuring its functionality even during power outages. The thermostat informs users when the batteries are running low and need replacement.
Overall, the Honeywell CM927 offers convenient and efficient control over the heating system, allowing users to achieve a comfortable environment while optimizing energy usage.