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FAQ’s & TROUBLESHOOTING

Can I use my CM901 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 program 

for cooling is specified in the table below, but this can be modified in the same way 

as the default heating program:

Period 

6

Time

 

6:30 

8:00 

12:00 

14:00 

18:00 

22:30

Temperature

 

24°C 

28°C 

24°C 

28°C 

24°C 

24°C

If something happens to my heating system how can I check that the thermostat 
is working?

Refer to the Troubleshooting Guide on page 15. If you still need assistance after this 

call your installer. The thermostat should only be opened or removed by a qualified 

professional  to  prevent  possible  injury  from  electric  shock  and/or  damage  to  the 

product.

Содержание CM901

Страница 1: ...Crystal Display Screen with Backlight provides added user friendliness and clearer viewing even in the dark 6 independent temperature levels lets you set any 6 temperatures you require from 5 to 35 C so you can enjoy economical comfort throughout the 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...

Страница 2: ...gram 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 ...

Страница 3: ...cover of the thermostat to reveal the battery cover and product controls b Remove the battery cover by pressing down and sliding out c Insert the 2 x AA LR6 Alkaline Batteries supplied with the thermostat ensuring the correct orientation see Controls Layout on page 2 d After a short pause the thermostat will display information on the screen and is now ready for use e Replace the battery cover by ...

Страница 4: ...be displayed e Use the or buttons to set the correct time Each press of the button will change the time by one minute and holding the button down will change the time slowly at first and get progressively quicker Once the correct time is set press the green button to confirm then CHANGES SAVED will be displayed for a moment followed by DATE COMPLETE Note If the slider switch is moved at any time b...

Страница 5: ... edit the heating program move the slider switch to the PROG position then use the or buttons to navigate between the 6 individual programming periods Modifying the Heating Program To change the heating program a Set the slider switch to the PROG position entering programming mode SET TIME 1 will be displayed and the time settings for period 1 will be flashing The active period is highlighted by a...

Страница 6: ...ttons and TEMP 1 OK will be displayed e Press the green button to confirm the setting CHANGES SAVED will be displayed for a moment followed by SET TIME 2 f The next time and temperature period will now be active Adjust this by repeating steps b e above until all 6 periods are set or move the slider switch to the AUTO position to run the program as set at any time g After setting period 6 CHANGES S...

Страница 7: ...position then using the and buttons to navigate ensuring the correct period is highlighted with the flashing square symbol Press and hold the button for at least 2 seconds and the display will indicate the period has been removed from the program To enable time periods Navigate to the disabled period by moving the slider switch to the PROG position then using the and buttons Once selected DISABLED...

Страница 8: ...rmostat to control to a minimum temperature setting of 5 C default that acts as a frost protection measure for your home This value can be adjusted by calling your installer Adjusting the Time To adjust only the time during normal operation use the or buttons to adjust the time and press the green button again to confirm any changes During Normal Operation Temperature Enquiry In AUTO and MAN opera...

Страница 9: ... holiday indicator c The day after the current day will be selected and RETURN DATE OK will be displayed Press the or time buttons to set the holiday time 1 99 days Note The day and date will update according to the number of days selected d Press the green button to confirm the setting e CHANGES SAVED will be displayed for a moment followed by TEMP OK Press the or buttons to set the holiday tempe...

Страница 10: ...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 seconds b Once entered the following information will be shown on the screen COPY DAY DAY 1 6 CM907 DATE PROG AUTO...

Страница 11: ... the time button once The display will show RESET PROGRAM Press the or buttons to select the preferred setting 0 user program 1 factory program and the display will flash indicating a change has been made To confirm this change press the green button iii Enable or disable summer winter time change Press the time button twice The display will show AUTO CHANGE Press the or buttons to select the pref...

Страница 12: ...e manual temperature by pressing the or buttons This can be set anywhere from 5 C to 35 C in 0 5 C steps The thermostat will continue to maintain this temperature until another operating mode is selected or the temperature is adjusted What is Optimum Start Optimum Start is a program which ensures that the optimum temperature conditions are achieved at the required times This is an Energy Efficienc...

Страница 13: ...ing operation is now active The factory default program for cooling is specified in the table below but this can be modified in the same way as the default heating program Period 1 2 3 4 5 6 Time 6 30 8 00 12 00 14 00 18 00 22 30 Temperature 24 C 28 C 24 C 28 C 24 C 24 C If something happens to my heating system how can I check that the thermostat is working Refer to the Troubleshooting Guide on p...

Страница 14: ... 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 it is inconvenient to locate the thermostat e g commercial premises where the public may tamper with the buttons Note For more information on the above accessori...

Страница 15: ... set correctly for your system CM901 not set correctly for your system Fault in CM901 Remedy Check to see if there are batteries in the battery compartment and the paper tab has been removed Check that the batteries have been installed in the correctorientation Replace with new batteries Replace with new batteries Check that there is power to the heating system Move the slider switch to MAN and pr...

Страница 16: ...room thermostat to a lower setting will result in the room being controlled at a lower temperature and saves energy The way to set and use your programmable room thermostat is to find the lowest temperature settings that you are comfortable with at the different times you have chosen and then leave it alone to do its job The best way to do this is to set low temperatures first say 18 C and then tu...

Страница 17: ...st the heating programme for example Override Advance or Boost These are explained in the manufacturer s instructions Programmable room thermostats need a free flow of air to sense the temperature so they must not be covered by curtains or blocked by furniture Nearby electric fires televisions wall or table lamps may prevent the thermostat from working properly WHAT IS A PROGRAMMABLE ROOM THERMOST...

Страница 18: ...18 42010943 103 R1 ...

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