3.8
Special Wiring
145
b) Always observe the following installation and wiring instructions. Incorrect use of a
noise filter halves its benefits.
•
Separate input lines from output lines.
Do not put the input and output
lines in the same duct or
bundle them together.
Noise
filter
Noise
filter
Noise
filter
Noise
filter
Separate these circuits.
•
Separate the noise filter ground wire from the output lines.
Do not accommodate the
noise filter ground wire, output
lines and other signal lines in
the same duct or bundle them
together.
Noise
filter
The ground wire
can be close to
input lines.
Noise
filter
3