Technical data

Installation, user and maintenance manual – GAHP-GS/WS
53
Fix the CAN BUS cable (or two cables, according to the type of node being con-7.
nected) to the holding bracket in the upper part of the electrical panel so that the
pulled-back shielding is in solid touch with the metal bracket. The cables must be
firmly held in place by the bracket if pulled.
In order to position the jumpers on the electronic board according to the type of
node being configured:
If the appliance is a • terminal node on the network (i.e. 3 wires are inserted in the
orange connector on the board): set the jumpers as shown in detail "A" of Figure
6.9 Electrical wiring diagram → 53:
If the appliance is an • intermediate node on the network (i.e. 6 wires are inserted
in the orange connector on the board); set the jumpers as shown in detail "B" of
Figure 6.9 Electrical wiring diagram → 53:
Figure 6.9 – Electrical wiring diagram
Connection cable CAN BUS to electronic board: detail A case "terminal node", detail B case "intermediate node"
LEGEND
SCH electronic board
GND Common data
L Data signal LOW
H Data signal HIGH
J1 Jumper CAN-BUS in board
A Detail case "terminal node" (3 wires;
J1=jumper "closed")
B Detail case "intermediate node" (6
wires; J1=jumper "open")
P8 Port can/connector
After finished with all the above operations, close the electrical panel and refit the 8.
front panel of the appliance.
How to connect the CAN BUS cable to the Comfort Control Panel
The CAN bus cable is connected to the specific orange connector (P8) supplied with the
CCP in a bag.
Before working on the Comfort Control Panel, make sure that it is off.
The CCP, like the controller on the appliance, has jumpers that must be moved so that it
can be configured as an intermediate or terminal node. The position of the jumpers on
a new CCP is CLOSED.
To connect the CAN bus cable to a CCP:
You will need: the Comfort Control Panel not powered up.
Open the Comfort Control Panel’s electrical panel with the handle on its left.1.