18
5 - PROGRAMME FOR HEATING,
COOLING AND SYSTEM OFF
Press button
once to activate the cooling pro-
gramme (fig. 20) or twice to turn the system OFF (fig. 21).
When the
icon is on, it confirms that the TH450
control of the system has been bypassed.
For 5 seconds the room temperature reading disappears
to be replaced by
.
Press button
again to restore the heating
programme.
6 - PRE-MEMORISED PROGRAMMES
6.1 - Heating programme
For easier use a heating programme has been mem-
orised within the TH450 with the temperature trend
shown in figure 22 from Monday to Friday (1÷5) and
in figure 23 for Saturday and Sunday (6 and 7), where
the fixed temperature levels are:
Range T1
16°C
Range T2
18°C
Range T3
20°C
TH450
TH450
Fig.21
Fig. 22
