Technical data

Installation, user and maintenance manual – GAHP-A
51
Figure 5.13 – Connexion câble CAN BUS for plants with more unit
Connexion câble CAN BUS between one DDC and more 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")
B intermediate node connection - (6 wires; J1="closed") H,L,Gnd data signal wires (rif. cables table)
How to connect the plant water circulation pump
It is possible to control the pump of the plant either from the appliance's controller or
independently.