UNT Controller—Unitary (UNT) Controller
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Keep the length of the high voltage wire from the ignition control to
the spark bundled, and as short as possible. Bundle the spark wire to
itself if it is too long. Keep the ignition control and the UNT as
far apart as possible. Route the power wires to the ignition control
along the metal mounting surface.
•
Ensure that you physically separate the wires on the line side of the
filter from those on the load side of the filter. Route noisy wiring so
that its path is as short as possible, and always avoid routing noisy
wires close to quiet wires. We recommend a 30 cm (1 ft) or greater
separation between parallel noisy and quiet wires.
- Never mount the UNT in the same compartment as the ignition
device.
- If you must install noisy wiring near quiet wiring, have the wires
cross at right angles and as far apart as possible. Route both near
the metal mounting surface.
Note: For specific information regarding noisy and quiet wiring, refer
to the ASC and N2 Bus Troubleshooting Technical Bulletin in
FAN 636.3 or 1628.2.
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