Honeywell thermostat CM907 7 Day Programmable Thermostat User Manual

1011
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.
 To set the Day Off function:
 a. Move the slider switch to the AUTO position.
 b. Press  the   button  to  display  the  days  off  counter,  ‘DAYS  OFF’  will  be displayed and the day off indicator  will...

1213
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.
To change any of these user’s parameters:
a. Move the slider switch to the OFF position, then press and hold the  button for approximately 5 seconds. button for approximately 5...

1213
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    or  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.  To  confirm  this change press the green  button.
 ii) Reset the built-in program to the factory default
 Press  the    time  button  once.  The...

1415
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. To change the batteries follow the steps in the above section (‘STEP 1: Installing the Batteries’ on page 3), replacing the used batteries with new ones in step c.
Note: While changing the batteries your program...

1415
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 the   or  buttons together for 5 seconds in any of the product operating modes (AUTO, MAN or OFF).  The  text  ‘COOLING’  will  be  displayed  for  a  moment  on  the screen to indicate the cooling operation is now active. The factory default...

1617
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.
2. Remote Temperature Sensor Accessory
 The  Remote  Temperature  Sensor  accessory  can  be  fitted  to  your  thermostat  to control  the  temperature  of  another  room  where...

1617
Troubleshooting GuideSymptomCM907 has a blank LCD screenCM907 shows a flashing 
 
symbol on the LCD screenThe CM907’s LCD screen works but the heating does not switch onHeating switches ON or OFF too slowly or quicklyTemperature swings between too hot and too cold.CM907 shows a flashing 
 symbol on the LCD 
screen
Possible CauseBatteries not installedIncorrect battery orientationExhausted batteriesBatteries are exhausted and need replacingNo power to heating systemProgram does not call for heatCM907...

1842010943-703 R1
...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. 
So,  a  programmable  room  thermostat  lets  you  choose...