Direct Digital Controller
Direct Digital Controller fw 4.013 – Ed. 01/2013 27
3.3 UNITS MANAGEMENT
The menu allows the user to carry out certain operations upon the units controlled by the DDC.
Each machine has a screen associated with it in the “Units management” menu, which contains 5 icons that
allow the unit to be managed.
Flame control unit reset: this option allows the flame control unit of the selected machine to be
reset in the event of arrest.
Error reset: this option allows anomalies present in the selected unit to be reset (except in the
case of arrest of the flame control unit).
Machine exclusion: this option allows the selected machine to be excluded from the plant.
Modify set of parameters: this option allows the parameters set on the machine’s electronic
board to be modified. For a list of the parameters, consult the installation manual of the unit.
Default set of parameters: this option allows the default parameters memorised in the machine’s
electronic board to be reset.
Manual defrosting: The option allows the defrosting cycle to be carried out for the selected unit
(GAHP-a and GAHP-AR only).
3.3.1 FLAME CONTROL UNIT RESET
To carry out a reset of the flame control unit if the burner ceases to function, follow the instructions below:
1 - Select
from the initial screen to gain access to the main menu.
2 - From the main menu, select
.
3 - Select the plant (
, or if the DDC is configured to manage only one hot/cold plant).
4 - Select the machine, using
or . The unit’s identification number is shown between the arrows.
5 - Position the cursor on
and press the knob to carry out a reset of the flame control unit.
6 - Wait for the operation to be performed. If the operation is successful, the message “OK” appears on the
display.
7 - To exit, select
.
It is not possible to reset the flame control unit on third party machines.
NOTE
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