STIEBEL ELTRON CNS Series User manual

Technical datasheet
Programming the CNS heater
Controller. A quick-start guide.
INFORMATION
To be read in conjunction with the CNS.. TREND UK Operation
and Installation Manual
online youtube video also
available
12/2018

Technical datasheet
Buttons
= menu
= plus
= minus
= OK
= standby
Step 1: Set today’s time and date (brand new heater)
1. Press the OK button ( = OK)
2. Use the plus and minus buttons to set the time
3. Press the OK button ( = OK) You will now a see a number at the top pf
the screen.
4. Use the plus and minus buttons to set the day of the week (1 = Monday,
2 = Tuesday etc.)
5. Press the OK button
6. Wait for the screen light to dim
Step 1: Set today’s time and date (if heater has been switched on
before)
7. Press the menu button ( = menu) until the time is displayed)
8. Press the OK button ( = OK) You will now a see a number at the top pf
the screen.
9. Use the plus and minus buttons to set the day of the week (1 = Monday,
2 = Tuesday etc.)
10. Press the OK button
11. Immediately use the plus and minus buttons to set the correct
time
12. Press the OK button
13. Wait for the screen light to dim

Technical datasheet
Step 2: Set your required comfort and setback temperatures
1. Press the menu button until the time is displayed
2. Press the plus button –you will see a sun symbol. This signifies your
comfort setting; the temperature you want the room to reach when you
are using it
3. Press the OK button
4. Use the plus and minus buttons to set the required temperature.
5. Press the OK button
6. Press the plus button –you will see a crescent moon symbol. This
signifies your setback setting; the temperature that you never want
your room to fall below.
7. Press the OK button
8. Use the plus and minus buttons to set the required temperature.
9. Press the OK button
10. Wait for the screen light to dim
Step 3: Choose your heating programme
About the programmes

Technical datasheet
To select your chosen programme:
1. Press the menu button until the time is displayed
2. Press the plus button until you see Pro1(2/3) .
3. Press the OK button
4. Use the plus and minus buttons to select your required program
5. Press the OK button
6. Wait for the screen to go dim
7. Go to step 4 (if you have chosen programme 1 or 2) or step 5 (if you
have chosen programme 3)

Technical datasheet
Step 4: Set heating times for pro1 & pro2
Step 5: Set heating times for pro3

Technical datasheet
Example 1

Technical datasheet
Step 6: Understanding and setting advanced controls
This heater comes with a range of advanced controls and configurable
display options. For further information on the other options available on
your controller, refer to your user manual.
Example 2