TECH ST-450zPID User Manual page 11

Step #1:
The user needs to set current time and date first (Installer menu > Clock).
Step #2:
The user sets temperature values for individual days of the week (Set mode 1):
Monday– Sunday
Select specific hours and required deviations from the preset temperature (how
many degrees the temperature should rise or drop) for each day of the week.
Additionally, the preset values can be copied to facilitate the operation.
Example
Monday
preset: 3 00 , temp. -10
preset: 4 00 , temp. -10
preset: 5 00 , temp. -10
In such a case, if the temperature preset on the boiler is 60ºC, it will drop
10ºC to 50ºC between 3 a.m. and 6 a.m. on Monday.
As an alternative to the temperatures being preset separately for
individual days, the temperatures can also be set collectively, in the second
mode, for the working days (from Monday to Friday) and the weekend
(Saturday and Sunday) separately - Set mode 2.
Monday - Friday; Saturday - Sunday
Similarly to the previous mode it is necessary to select specific times and
required deviations from the temperature preset for the working days (Monday
- Friday) and the weekend (Saturday, Sunday).
Example
Monday - Friday
preset: 3 00 , temp. -10
preset: 4 00 , temp. -10
preset: 5 00 , temp. -10
Saturday - Sunday
preset: 16 00 , temp. 5
preset: 17 00 , temp. 5
preset: 18 00 , temp. 5
In this case, if the preset boiler temperature is 60ºC, the temperature will drop
10ºC to 50ºC between 3 a.m. and 6 a.m. on each day from Monday to Friday.
However, the temperature will rise 5ºC to 65ºC during weekend (Saturday,
Sunday) between 4 p.m. and 7 p.m.
Step #3:
The user enables one of two preset modes (Mode1, Mode2) or disables the
weekly control option.
Once the mode is enabled the value of the deviation currently set is displayed
on the main page of the controller next to the preset central heating system
ST – 450 z PID
0 C (temperature change– 10
0 C (temperature change – 10
0 C (temperature change – 10
0 C (temperature change – 10
0 C (temperature change – 10
0 C (temperature change – 10
0 C (temperature change +5
0 C (temperature change +5
0 C (temperature change +5
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0 C)
0 C)
0 C)
0 C)
0 C)
0 C)
0 C)
0 C)
0 C)