The CM907 is a programmable room thermostat designed by Honeywell to efficiently control your heating system, providing comfortable temperatures when you are at home and energy savings when you are away. The following instructions explain how to program and use the CM907 to provide the most home comfort at the least cost.
The Honeywell CM907 is a programmable room thermostat that lets you set heating schedules for each day of the week, offering features such as an ergonomic OK button, a large back‑lit LCD and holiday, party and day‑off functions. The guide walks you through installing the batteries, setting date and time, and using the built‑in 7‑day heating program.
Detailed sections cover the control layout, how to program temperature periods, enable or disable time slots, and switch between automatic, manual and off modes. A FAQ and troubleshooting section provides quick answers to common setup questions.
| Temperature range | 5 °C to 35 °C |
|---|---|
| Battery type | 2 × AA LR6 Alkaline |
| Display | Extra Large LCD with backlight |
| Program days | 7‑day heating program |
| Special function buttons | Holiday (1‑99 days), Party (1‑23 hours), Day Off |
Lift the front cover, remove the battery cover, insert two AA LR6 alkaline batteries with correct orientation, then replace the cover.