Honeywell CMT907A1041 User Manual
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Honeywell CMT907A1041 User Manual

Honeywell CMT907A1041 User Manual

7 day programmable room thermostat
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Honeywell Control Systems Ltd.
Arlington Business Park,
Bracknell
Berkshire
RG12 1EB
Technical Help Desk: 08457 678999
42010943-703 R1
www.honeywelluk.com
© 2005 Honeywell International Inc.
CM907 - User Guide
7 day Programmable
Room Thermostat
Description
The Honeywell CM907 is a programmable room thermostat designed to
control your heating system efficiently, 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.
Features
Ergonomic User Interface features an 'OK-button' making the CM907 very
easy to use so you always stay in control.
Dynamic Text Display provides informative 'on-screen' feedback and
operational assistance to the user.
Extra Large LCD (Liquid Crystal Display) Screen with Backlight provides
added user friendliness and clearer viewing – even in the dark.
7-day heating program lets you set the CM907 independently for each day of
the week to match your lifestyle, whilst maximizing energy savings.
6 independent temperature levels per day lets you set any 6 temperatures
you require (from 5 to 35°C) so you can enjoy economical comfort every day
Holiday button saves energy by letting you reduce the temperature for 1 to 99
days while you are away from home, resuming normal operation on your return.
Party button lets you temporarily maintain (or adjust) the current temperature for
1 - 23 hours. Useful when you have guests or leave the house for a short period.
Day Off button copies Sunday's program into any other day of the week, so that
you can make the CM907 follow this program if you have a day or days off.
Automatic Summer/Winter Time Change will adjust the clock automatically
for 'Daylight Saving Time'.
Built-in Memory holds the user program indefinitely so that it is never lost
– even if you remove the batteries.
Outside Temperature Sensor (optional accessory) can be fitted to the
CM907 to display the temperature outside your home.
Remote Temperature Sensor (optional accessory) can be fitted to the CM907
to control to the room temperature in another location, concealing the CM907.
Optimum Start option is an advanced feature which ensures that the optimum
temperature conditions are achieved at the required times.

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Summary of Contents for Honeywell CMT907A1041

  • Page 1 Description The Honeywell CM907 is a programmable room thermostat designed to control your heating system efficiently, 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.

  • Page 2: Table Of Contents

    Controls Layout Contents GETTING STARTED WITH THE CM907 STEP 1: Installing the Batteries......... 3 STEP 2: Setting the Date and Time........4 STEP 3: Running the Built-In Heating Program ....4 PROGRAMMING THE CM907 The Built-in Heating Program..........5 COPY Reviewing the Heating Program ........

  • Page 3: Step 1: Installing The Batteries

    GETTING STARTED WITH THE CM907 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.

  • Page 4: Step 2: Setting The Date And Time

    GETTING STARTED WITH THE CM907 STEP 2: Setting the Date and Time To set the Date and Time: a. Move the slider switch to the DATE position. ‘SET THE DAY’ will be displayed on the screen and the day digits will be flashing. DATE PROG AUTO...

  • Page 5: Programming The Cm907

    PROGRAMMING THE CM907 The Built-in Heating Program The built-in heating program has 6 temperature level changes per day that can be set between 3.00am and 2.50am the following day - allowing you to maintain the evening temperature after midnight. Each temperature level can be set between 5°C and 35°C, and adjusted in 0.5°C increments.
  • Page 6 PROGRAMMING THE CM907 b. To adjust the period start time press the buttons and ‘TIME 1 OK?’ will be displayed. Holding the button down will change the time quickly. Note: If you are pressing the buttons and the display flashes the next change period, it means the next change will be pushed forward if you continue to press buttons).

  • Page 7: Disabling / Enabling Time Periods

    PROGRAMMING THE CM907 To exit the programming mode move the slider switch to the desired operating mode - AUTO, MAN or OFF. Note: To run the adjusted program select the AUTO mode. Note: If the unit is left in programming mode for more than 10 minutes without the slider being moved or any buttons pressed, ‘MOVE THE SLIDER’...

  • Page 8: Operating The Cm907

    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. •...

  • Page 9: Temperature Override

    OPERATING THE CM907 • Temperature Override During normal operation (AUTO mode) the programmed temperature can be adjusted manually by pressing the buttons. The ‘target‘ temperature will be displayed and flash for 5 seconds – during this time the buttons can be used to modify the set value. Note: This temperature override is cancelled at the next programmed temperature change.

  • Page 10: Party Function

    OPERATING THE CM907 • PARTY Function The party function allows you to extend your heating program by a specified number of hours at a particular temperature before resuming with the normal temperature program. This is especially useful when you want to maintain or increase the temperature during a special occasion such as a party or when entertaining guests.

  • Page 11: Day Off Function

    OPERATING THE CM907 • DAY OFF FUNCTION The day off function allows you to temporarily run Sunday’s heating program for as many days as you desire. This is useful when you have a day off during your normal week or will, unintentionally, be at home on a workday due to illness, etc.

  • Page 12: Fine Tuning The Cm907

    FINE TUNING THE CM907 Changing the User Parameters The user mode allows you to modify some basic settings of the thermostat to meet your personal preferences. You can change the time display format (24hr or AM/PM), reset the heating program to the built-in settings and disable or enable the summer/ winter time change feature.

  • Page 13: Change The Time Format

    FINE TUNING THE CM907 c. Now choose which one of the following parameters you would like to change: i) Change the time format ‘CLOCK SELECT’ should be displayed on the screen - press the buttons to select the preferred time format (12=AM/PM format, 24=24hr format) and the display will flash, indicating a change has been made.

  • Page 14: Faq's & Troubleshooting

    FAQ’s & TROUBLESHOOTING How do I change the batteries on the CM907 when they run out? The thermostat constantly monitors the battery power level, which typically last for about 2 years before needing replaced. When the power is running low a flashing symbol will be displayed on the screen.
  • Page 15 FAQ’s & TROUBLESHOOTING Can I use my CM907 to control my air-conditioning system? Yes, if your system has been set up correctly you can use your thermostat to control the cooling. To switch the thermostat between heating and cooling modes press buttons together for 5 seconds in any of the product operating modes (AUTO, MAN or OFF).
  • Page 16 FAQ’s & TROUBLESHOOTING What other accessories can I buy that work with the CM907? 1. Outside Temperature Sensor Accessory The Outside Temperature Sensor accessory can be fitted to your thermostat to display the outside temperature. By pressing the button twice, the thermostat displays the external temperature.

  • Page 18: What Is A Programmable Room Thermostat

    WHAT IS A PROGRAMMABLE ROOM THERMOSTAT? ...an explanation for householders A programmable room thermostat is both a programmer and a room thermostat. A programmer allows you to set ‘On’ and ‘Off’ time periods to suit your own lifestyle. A room thermostat works by sensing the air temperature, switching on the heating when the air temperature falls below the thermostat setting, and switching it off once this set temperature has been reached.

This manual is also suitable for:

Cm907

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