Check how long heat/air conditioning has been running
To display the length of time that the heat or air conditioning has been running:
•Since 12:00 AM today, press 
once (Fig. 32).
•Since 12:00 AM yesterday, press 
twice (Fig. 33).
•Since installation or since the last time you reset the
cumulative usage counter (see below), press 
three times.
Reset the cumulative usage counter to zero
To clear the cumulative usage counter and start over at zero hours:
a.Press 
three times to display the cumulative reading.
b.Press 
to set the counter to zero (Fig. 34).
c.Press 
.
Change a program permanently
Follow the steps for programming the heating schedule or programming the cooling schedule on pages 14 and 15.
Fig. 32
Fig. 33
Fig. 34
OPERATION 21 |