GAHP-AR – Installation, start-up, use and maintenance manual
60
Edition:
2014-08
To connect a CAN bus cable to an appliance:
You will need:
The appliance (or appliances) positioned in its (or their) final location.
Before working on the electrical panel of the appliance, make sure that it is not
connected to the power supply.
1.
Remove the front panel of the appliance and the cover of the electrical panel.
2.
Cut the ideal length of cable for the installation so that it will not undergo bending.
3.
Having chosen one end of the length of cable, remove the sheath from a length of
approximately 70-80 mm, taking care not to cut the shielding (metallic shield and/or
aluminium sheet and, if present, the bare connector in contact with the shield) and
the wires contained within.
4.
If the diameter of the cable used is not large enough to be blocked inside the cable
clamp (letter C of Figure 24 on page 59), make it larger by wrapping electrical tape
over the protective outer covering in the area adjacent to the unsheathed part
(approximate diameter required: 12-13 mm).
5.
Pull back the shielding in the sheathe; apply electrician’s tape to the end of the
shielding as pulled back (letter A of Figure 24, page 59).
6.
If the appliance is a
terminal node
of the network connect the three coloured wires
to the orange connector, as shown in detail A; of Figure 25 on page 61. Respect the
correct indications L, H, GND provided in Table 20 on page 59, on the figure and on
the diagram at the base of the connector.
7.
If the appliance is an
intermediate node
repeat the operations from step 3 to step 6
for the other length of cable required (so to will have two cable lengths everyone
without the sheath). To interlace between they the threads with the same color and
to connect them to the orange connector, as shown in detail B; of Figure 25 on page
61.
8.
Fix the CAN bus cable (or two cables, according to the type of node being
connected) to the cable fixing bracket in the upper part of the inside of the electrical
panel so that the rolled-back sheathing makes solid contact with the metal bracket.
The cables must be held firmly in place by the bracket if pulled.
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