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NOTE: To enable the views showing valve parameters the respective valves
must be pre-installed and configured properly by a installation fitter.
II.3. Firing
This function helps to fire the boiler easily. After initiation of fire the user will
start the automatic firing cycle. Selection of optimum working parameters will
allow the boiler to enter the operation mode smoothly by using the PID
function.
II.4. Preset temperature of the central heating system
The option is used to set the boiler temperature. The user can change the boiler
temperature within the range of 45ºC to 80ºC. The preset central heating
system temperature can also be changed directly in the main screen of the
controller by turning the pulser knob.
Additionally, the preset central heating system temperature can be adjusted
using the room temperature reduction function (see Item II.15) and the weekly
control function (see Item II.6). The preset temperature is a sum of all those
values but it may not exceed the range of 45ºC to 80ºC.
II.5. Set-point DHW temperature
This function allows you to set your required set-point temperature for
domestic hot water. You can adjust this temperature within a range from 40
to 75
O
C.
II.6. Manual operation
For the user's convenience, the regulator has been equipped with a
ST – 450 z PID
- 8 -
O
C
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