TECHNICAL MANUAL
CVM 2
C 5001 CV/01-99 IT
2
Board description
The system consists of a main board which is located inside the electrical panel, and of a keyboard
(Enclosures fig. 1). The boards for the continuous adjustment of the fan speed are connected to the
main board. The keyboard communicates with the main board through a serial current-loop and
receive the power supply from the main board.
Figure 1-0 COMPLETE SYSTEM