REGULATION INSTRUCTIONS
15
2.6
DIGITECH CS MIAH4 COD.40-0007
MAIN NEWS
The new electronic board Digitech CS is now installed on all condensing boiler models, from the 13kW output
model to the 100kw output model.
At the first ignition of the boiler, the function F33 (System purging function) is enable for a period of 5 minutes;
the
pump is enabled while the burner ignition is disable. This cycle eliminates any residual air contained in the system.
The same function is automatically enabled every time the E04 error (no water in the system) appears
on the
display, activated by the water pressure switch, in this case for a period of 2 minutes.
Other news:
•
White backlit LCD Display;
•
Improved icons graphic for an easy reading and setting of the electronic board
•
The electronic board manages the zone control PCB from the boiler control panel (only with zone PCB
in
stalled)
•
The flame presence signal is completed by the power level expressed in 3 steps.
•
Through the INFO button “i”
,
with boiler in OFF position, it is possible to display the last 5 errors (to reset
press "R " button).
Here below a list of possible settings to be performed, according to the specific need, by the authorized
technical
personnel:
•
Central heating temperature minimum and maximum set point adjustment from min 25°C to max 88°C
(factory set as 30-80°C).
•
Domestic Hot water temperature minimum and maximum set point adjustment from a min. 35°C to a
max
75°C (factory set at 35-60°C) ;
•
∆t set point flow I return (only if a modulating pump and sensor on the return circuit are installed);
•
Minimum and maximum speed of modulating pump (if installed);
With boiler in ON position, through the INFO button “i” (Info), it is now possible to display the following
information:
•
Outdoor temperature (if the outdoor temperature sensor is installed);
•
Kd value of outdoor temperature sensor (if installed);
•
Low temperature circuit temperature (if optional CRAD board for the 2 temperature circuits is
connected);
•
Solar panel sensor temperature (if installed);
•
Solar storage cylinder sensor temperature (if installed);
•
Fan speed.
The chimney-sweeper function (or test function) is enabled by keeping the button "R" (Reset) pressed for 7
seconds.
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