• Supply pipe
temperature
= boiler temperature.
• Return temperature = return temperature to the boiler
• Set temperature = the set, desired boiler temperature
• Smoke temperature = the temperature in the boiler's fire tubes
(Symbols for 02% and the ventilator's actual % only apply for the model with oxygen
control. – see separate instruction.
When everything is in full swing it is a good idea to have the smoke temperature displayed
so that you can keep an eye on what the smoke temperature is so that it is possible to see
whether the boiler needs to be cleaned.
Neither must the smoke temperature be too low since this can cause condensation in the
chimney.
How low the temperature is depends on the chimney, but temperatures below 120°C are
not normally to be recommended..
Note: If you press on one of the buttons (J - M), the adjusted value will be shown for 5
seconds - after which the value which you have chosen will be shown once again.
(C) Operation
form
Here it is possible to switch automatic mode (Fixed-diode switched off) or constant high or
low output mode (Fixed-diode lit up)
Choose with the button (C) between 2-step operation = light diode switched off) or
constant operation (light diode lit up).
There are three possibilities which can be set by pressing button (C):
1. 2-step operation = no light above the button
2. Fixed high output = light above button and light on row 100%
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