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 PREMEMORISED 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
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