Robur GAHP-W, Installation, Use And Maintenance Manual, Page: 45 / 68

Electrical connections
Ed. 2014-08
43
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If the appliance is an “ intermediate node”, connect the cable as shown in Figure
26. Respect to the sequence L, H, GND. Open jumpers J1.
5. Fix the CAN bus cable to the clamp as indicate in Figure 24 letter C.
Figure 23 - CAN-bus Connector supplied with the DDC
Figure 24 - Direct Digital Controller (DDC) – wiring diagram and partial rear view
KEY
GND
Common data
A Insulating tape protecting CAN bus cable shield
L
LOW data signal
B CAN bus wires
H
HIGH data signal
C CAN bus cable shield
J21 jumpers (CLOSED) D Eyelet terminal and screw for fixing to base of DDC
B
A
B
C
D