
Altherma remote controller clock and schedule
timer instructions and override functions
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15
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1. Heating on/off 6. Time adjust 11. Schedule timer action
2. Heating / Cooling switch 7. Schedule timer on/off 12. Day display
3. Hot water on/off 8. Weather compensation on/off 13. Time display
4. Hot water storage temp adjust 9. Quiet mode on/off 14. Operation mode
5. Heating water temp adjust 10. Programming button 15. Target water temperature
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6
4

Setting the clock
Push and hold the until the clock starts to flash.
Adjust the time via the
Adjust the day via the
To save the changes push
Setting the schedule timers
Note: If a remote thermostat is connected will appear in the top right
of the display. If a remote thermostat is connected then it will control the on/off
function, however the schedule timer for heating can still be used to adjust water
temperatures.
There are 2 types of timer, 1) space heating which is a 7 day timer and
2) all others hot water , silent & booster heater , all of which
are 24 hour timers. Within all the timers you can program upto 5 daily actions.
The action could be on, off or in the heating timer changing a water flow temperature.
Hint: When programming the schedule timers is used to advance through the
menu, is used to go back a step.
To enter the schedule timer function, press
You are now in the schedule timer selection where you chose from space
heating, domestic hot water, silent & booster heater timers, scroll through
using :
space heating
domestic hot water
booster heater in the hot water cylinder
silent operation
To enter any of these schedule timers press

1) 7 day timer
Once you have entered the mode as described, “MON” will begin to flash.
Select the day you want to program via , once selected
press to enter. You can scroll through any programmed actions via
. To adjust the actions of the schedule timer push and
hold until the display begins to flash, adjust the action time via
, toggle between space heating, weather dependant
function and off via and adjust the water temperature via
. To enter the changes press , this will advance to the
next action. Repeat the last step until all required actions are programmed,
then press and hold until “setting” appears to save the changes.
Shortcut: If you want to copy the entire day you’ve just programmed to the next
day push so the day of the week is now flashing, select the day you want to
copy via , then to copy press & hold & at the
same time until the “setting” symbol flashes. To repeat the copy day function simply
push and hold & as before.
Once you’ve finished press to go back through the screen levels until you
are back to the normal screen.
2) 24 hour timers
Once you have entered the mode as described, the time of the 1st action will appear,
you can scroll through any programmed actions via ,
to adjust the action push and hold until the display begins to flash. You can now
adjust the action time via & toggle between on/off
via . To enter the changes press , it will then advance to the next
action. Repeat the last step until all required actions are programmed, then press
and hold until “setting” appears to save the changes.
Once you’ve finished press to go back through the screen levels until you
are back to the normal screen.

Activating timer function
To activate the schedule time press and will appear on the display.
To deactivate the schedule timer press and will disappear.
Useful information
If there no external thermostat connected the controller works on a last command
basis i.e. if you change the water temperature for the space heating or turn the
system on then this will stay the same unless there is a action programmed in the
schedule timer such as a water temperature change or off function.
Hot water boost
A hot water boost mode is available for rapid water heating.
If activated this will override any settings and switch the heat pump to hot water
heating & also switch the booster heater on.
To activate press & hold until you see & symbols appear.
The boost function will then run until either deactivated, by pressing or until
the set water storage temperature has been achieved.
Note: Increased use of the Boost function will effect the overall efficiency of
the system.
www.altherma.co.uk
For full user instructions, please refer to the Altherma operation manual.
UK 04.08. Copyright © Daikin
Printed in the UK on paper that is 50% recycled and 50% from sustainable sources.