How do I install the batteries?
1.Lift up the front flap to reveal the battery compartment. Open the battery compartment by inserting a coin underneath the bottom right edge of the flap and lift out.
2.Pull the paper tab out to activate the 2 AA LR6 Alkaline Batteries included and push the battery compartment firmly back into the front of the unit. After a pause the unit will now display information.
CM61NG Controls/Display Layout
The diagram below details the key button functions and display information.
Battery Low | Time Display | Heat Demand | Temperature | |
Indicator | | Indicator | Display | |
| | | | Information |
| | | | Enquiry |
| | | | Button |
Time | | | | |
Change | | | | |
Buttons | | | | Temperature |
| | | |
| | | | Change |
| | | NG | Buttons |
| | | |
| | | | = increase |
Automatic | | | | = decrease |
| | | |
Function | | | | Battery |
Button | | | |
| | | Compartment |
| | | |
Manual Function | Off Button | Holiday Button | Program | |
Button | | | Buttons | |
How do I set the time?
The time can be set with the 
CM61NG in the AUTO, MAN or OFF
operating modes. Press 
+ or - until the correct time is displayed. Each button press will change the time by one minute. Holding the button down for a few seconds will change the time slowly at first, then quickly. Make sure AM or PM is correct.
PM
How do I get started with the built-in tempera- ture program?
Press the AUTO button.
The 
CM61NG will now control your heating using the built-in temperature program:-
| | Daily | | | | | |
Program | 1 | 2 | 3 | 4 | 5 | 6 |
Time | | 06:30 | 08:00 | 12:00 | 2:00 | 6:00 | 10:30 |
Temperature | 21°C | 18°C | 21°C | 18°C | 21°C | 16°C |
| | | | | | | |
How do I set my own daily temperature pro- gram?
1.Press PROG 1. The first temperature change time and tempera- ture level will flash to indicate they can be changed. (the two small arrows are displayed only when the programmed temperature level is shown).
1 2 3 4 5 6
2.Press 
+ or - to adjust the first temperature change time. Holding the button down will change the time quickly. The change time can be set in 10 minute steps from 03:00 in the morning. The change time can be adjusted up to 02:50 on the next morning, so you can maintain the evening temperature after midnight.
(Note: If you attempt to move a change time past the next change time, both times will be moved).
3.Press TEMP 
or 
to adjust the first temperature level. Holding the button down will change the temperature quickly. The temperature can be set in 0.5°C steps from 5°C to 30°C.
4.Press PROG 2 to display the second temperature change time and
temperature level. Set these by pressing 
+ or - and TEMP 
or 
.
5.The remaining temperature changes can be displayed by pressing
PROG buttons 3, 4, 5 and 6 and adjusted by using 
+ or - and
TEMP 
or 
. (If you don’t want to use all the temperature change times 2, 3, 4, 5 or 6 refer to the section “What if I don’t want to use all 6 temperature change times?”).
6.Press AUTO when you have completed your programming, The 
CM61NG will now control the room temperature to match your program.
What if I don’t want to use all 6 temperature change times?
The built-in program uses 6 temperature change times as indicated by the numbers 1, 2, 3, 4, 5 and 6 on the display. Unwanted change times can be deleted by holding the appropriate PROG buttons (2, 3, 4, 5 or 6) down for a few seconds. The change time will be removed and the display will show dashes instead of a time / temperature display.
Deleted temperature change times can be brought back by again pressing the appropriate program button (2, 3, 4, 5 or 6) for a few seconds.
Can I change the programmed temperature for a short time?
When the 
CM61NG is in AUTO position (display will show “AUTO”)
the temperature can be adjusted temporarily by pressing TEMP 
or
. The temperature will return to the program at the next temperature change time.
How do I check the programmed temperature?
In normal operation the temperature displayed is the actual room
temperature. To check the programmed temperature press 
and the display will show the programmed temperature with the two small arrows.
How do I set one temperature for the whole day?
To operate as a simple thermostat with one temperature throughout the day, press MAN. Adjust the manual temperature by pressing TEMP 
or 
. The manual temperature can be set anywhere from 5°C to 30°C in 0.5°C steps.
I am going on holiday for a few days. How do I save energy but ensure that the house is warm when I return?
1.Make sure the CM61NG is in AUTO or MAN mode.
2.Press 
(HOLIDAY) to display the holiday days counter and temperature.
3.Press 
+ or - to set the holiday time (1 - 99 days).
4.Press TEMP 
or 
to set the holiday temperature (5°C - 30°C).
The unit will control to the new temperature for the set number of days holiday. At midnight the holiday counter will be reduced by one until the selected number of days have passed. The unit will then return to normal control as set by the MAN or AUTO position.
To cancel the HOLIDAY setting, press the 
button a second time.
How can I switch the Heating on and off manually?
To switch the boiler ON or OFF:
1.Press the MAN button.
2.Press TEMP 
or 
until the boiler switches ON or OFF.
How can I switch the CM61NG off?
Press the OFF button. The unit will now control at 5°C.
How do I know when the batteries need to be changed and how do I do this?
Your 
CM61NG has built-in electronics that constantly monitor the battery power level. With no accessory fitted the batteries should last about 2 years. When the batteries need replacing, a flashing 
symbol will be displayed.
To change the batteries:
1.Lift up the front flap to reveal the battery compartment. Open the battery compartment by inserting a coin underneath the bottom right edge of the flap and lift out.
2.Replace the used batteries with 2 new AA LR6 Alkaline Batteries (Duracell are recommended) and push the battery compartment firmly back into the front of the unit.
RESPECT YOUR ENVIRONMENT!
Take care to dispose of used batteries carefully.
The 
CM61NG has a permanent memory to keep your program settings. While you change the batteries, you should never need to reprogram. However, if you take more than one minute to change
them, you may need to correct the time by pressing 
+ or -.
Can I use my CM61NG to control my air-condi- tioning system?
Yes. Please refer to your installer for more information.
How do I remove the CM61NG from the wall bracket?
After programming is finished always replace the 
CM61NG back on the wall bracket.
HC60 Relay Box Controls Layout
The relay box will normally be found mounted close to the boiler.
Push button and relay status LED’s
What does it mean when the HC60NG relay box green LED is ON?
The green LED indicates normal operation of the radio frequency system. When the green LED is ON the boiler is also ON. When the LED is OFF the boiler is OFF.
When do I need to use the push button?
You should use the push button to control your boiler only when the RF communication is lost (see the 
CM61NG Trouble-Shooting Guide).
What other accessories can I buy for the CM61NG?
Automatic Time Setting (ATS) “Add-On” Module * (Part No. Q6667B1015)
The ATS module picks up a daily time signal from a transmitter in Central Europe and corrects the time on the 
CM61NG display. So:
•You never need to set or adjust the time
•There is no need to adjust the unit by -/+ 1 hour in summer / winter since the unit does this automatically
•Your 
CM61NG is the most accurate clock in your home so you can use this information to set-up all your other clocks.
*Not available in all Geographic Regions depending on transmitter range and home location.
Table stand for the room unit (Part No. F42010248-002)
If you do not want to mount the room unit on the wall you can use optional table stand, ask you installer for details
*Note: The room unit must be located in a location where reliable communication was proven. Advise your installer where you would like to position the room unit and they will check if the RF communication is reliable in the selected location(s)
