Filter Left

How to find out how much filter life is left

MK2 Controllers - The one with the house showing.

Click right hand arrow to enter menu
Click arrow down to Filter Details
Click right hand arrow to enter

Your screen will now show  XX% filter life remaining.

20% Filter OK
10% Filter Change Due
0%  Filter Change Overdue

MK1 Controllers - Honeywell Controller

Press the bottom button to 'wake up' the controller.

Press it again and hold it till the screen changes to
Fan Speed
Keep pressing it (but don't leave more than 3 second in between or it will return to auto mode)
Till you see the Filter Use (hours)

0-80        Filter OK
80-100    Filter Change Due
100-150  Filter Change Overdue
150 -       Filter No Longer Functioning