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Contents
GETTING STARTED WITH THE CM901
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 CM901
The Built-in Heating Program............................................ 5
Reviewing the Heating Program....................................... 5
Modifying the Heating Program........................................ 5
Disabling / Enabling Time Periods ................................... 7
OPERATING THE CM901
Choosing the Operating Mode......................................... 8
AUTO mode ............................................................8
MAN mode .............................................................. 8
OFF mode ...............................................................8
Adjusting the Time............................................................8
During Normal Operation ................................................. 8
Temperature Enquiry............................................... 8
Temperature Override ............................................. 9
Using the Special Functions.............................................9
HOLIDAY Function .................................................. 9
FINE TUNING THE CM901
Changing the User Parameters...................................... 10
Change the Time Format....................................... 11
Reset the Built-in Program.....................................11
Summer / Winter Time Change ............................. 11
FAQ’s & TROUBLESHOOTING
Frequently Asked Questions........................................... 12
Trouble Shooting Guide.................................................. 15
WHAT IS A PROGRAMMABLE ROOM THERMOSTAT?
An explanation for householders....................................16
Controls Layout
Day / Date Display
Time Display
Dynamic Text Display
Heating On Indicator
Battery Low Indicator
Temperature Display
Temperature Change Buttons
Temperature Enquiry Button
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Slider Switch
Green OK Button
Program Buttons
Battery Compartment Lid
Battery Compartment
Holiday Function Button
Time Change Buttons
1..6
AUTOMANOFF
CM901
DATE
PROG
AUTO
MAN
OFF
14
15
1
2
3
5
4
6
8
9
10
7
13
12
11
Manufactured for and on behalf of the Environment and Combustion Controls Division of Honeywell Technologies Sàrl, Ecublens, Route du Bois 37,
Switzerland by its Authorised Representative Honeywell International Inc.