Installation, Start-Up, Adjustment and Maintenance Manual
68
10. APPENDIX
ELECTRONIC SYSTEM OF THE ACF60-00 UNIT
The electronic control board of the unit
is
placed inside the electrical box and is equipped with a 4 digits
display, a regulating knob (
encoder
) and a terminal set (CAN PORT) for the remote connection.
The DISPLAY (particular
A
) shows the operation data (example: chilled water temperature) and possible
anomalies, through the visualization of the unit codes.
Besides, It is possible to visualize all relative available information (data, parameters, values, etc.).
Figure 39
– ELECTRONIC CONTROL BOARD DETAIL
Rotating and pressing the REGULATING KNOB (particular
B
) allows the scrolling and selection of the
information on the display.
Through the regulating knob and Display, operation management and control take place.
The CAN PORT (particular
C
) allows the connection, by one can-bus wire, between the electronic control
board and DDC (available as accessory). When such connection is made, the operation management and
control of the unit takes place only through the DDC.
The electronic control board is placed inside the electrical box of the unit and is visible from the front panel.
To interact with the regulating knob (encoder) of the electronic control board, it is necessary to remove the front panel of the unit
and, without opening the electrical box, to act on the encoder by the supplied tube of about 4-
3
/
4
”.
B
A
C
Electronic Control Board S 61
LEGEND
A
4 digits DISPLAY for visualizing operational
and unit codes
B REGULATING KNOB (Encoder) for
scrolling/selection of data
C
CAN PORT for the connection to DDC
NOTE