83
Recommended cable
■
Recommended cable:
Indoor/outdoor unit bus communication cable (acces-
sories), length 5, 15 or 30 m
■
For wiring on site:
Only use the cable types listed in the following two
tables.
Also connect shielding to the "GND" connection of
each of the following:
–
On connection of outdoor unit
–
In the extra low voltage (ELV) terminal area < 42 V
(upper luster terminal) on the upper luster terminal:
Connection 72
If required, remove the terminator from terminal 72.
Recommended cable type (on site):
CAN bus cable In line with ISO 11898-2, twisted pair cable, shielded
■
Cable cross-section
0.34 to 0.6 mm
2
■
Characteristic impedance 95 to 140 Ω
■
Max. length (entire CAN bus system) 120 m
Alternative cable types (on site):
CAN bus cable 2-core, CAT7, shielded
■
Max. length (entire CAN bus system) 120 m
CAN bus cable 2-core, CAT5, shielded
■
Max. length (entire CAN bus system) 120 m
Terminator
The two terminators required for termination are con-
nected at the factory.
Connecting the CAN bus cable
Note
Only use cables with shielding:
Connect the shielding on both sides of the connecting
cable to the "GND" connection.
Cable length for on-site cables:
■
Min. 3 m
■
Max. 30 m
Electrical connections
Indoor/outdoor unit CAN bus communication cable… (cont.)
6222080
Installation
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