Installation, user and maintenance manual
– GAHP-A
61
figure 6�19 – Connexion câble CAN BUS for plants with one unit
Connexion câble CAN BUS between one DDC and one unit
LeGend
DDC
direct digital control
SCH
electronic board S61
J1
Jumper CAN-BUS in board S61
J21
Jumper CAN-BUS in board DDC
A
terminal nodes connection - (3 wires; J1 e J21 = "closed")
H,L,GND
data signal wires (rif. cables table)