APR 2018
CMT-330TC Three-Knife Trimmer
2-17
2. Installation Guide
2.7 Main Power Hookup
This section describes how to hookup main
power to the CMT-330TC. These procedures
should be performed by a licensed electrician
that is familiar with the local electrical codes in
your area.
An adequate power supply must be provided to
the machine. See Section 1.8 Specifications on
page 1-8 for power requirements. Power to the
trimmer should be on its own circuit with a locka-
ble, disconnect switch. Too many machines on
the same circuit will reduce power to each ma-
chine. Insufficient voltage may cause overheat-
ing, loss of cutting/clamping force, and/or failure
to operate.
The following table lists recommended wire
sizes for different voltage options. If a wire is
run over 75 feet (23 meters), the next size wire
should be used. Be sure to always follow your
local electrical codes.
Recommended Wire Sizes
for Main Power Hookup
V
Circuit
Size
A
Minimum
Wire Size
# AWG
Metric
Wire
mm
2
380/415
20
12
2.5
230
40
8
10
208
40
8
10
Power Hookup Procedure
WARNING
Shock Hazard! Always disconnect power at
main disconnect switch before working on
the trimmer. Lock it out to prevent acci-
dental power up. See Power Lockout Proce-
dure on page 1-4.
1. Locate the electrical panel door at the lower
right-hand side of the machine (Figure 2-40)
and remove the door.
Figure 2-40. Power Panel Door
2. Route the incoming power cable under the
right-hand side of the machine and behind
the power panel enclosure.
3. Locate the cable hole in the lower left-hand
corner of the power panel Figure 2-41.
Mount a strain relief in this hole.
4. Route the cable through the strain relief and
into the power panel area.
5. Locate the terminal block at the lower, left-
hand corner of the power panel Figure 2-41.
The ground screw is located beneath the
terminal block.
6. Fasten the ground lead to the ground termi-
nal lug as shown in Figure 2-41.
Figure 2-41. Power Panel
7. Fasten the three power leads to the three
terminals
L1
,
L2
, and
L3
the main power terminal block.
8. Replace all panel doors.
9. Make sure compressed air is connected to
the machine and is switched on (See Sec-
tion 2.8 Main Air Hookup).
10. Unlock and switch on (
I
) the supply power
disconnect switch.
11. Switch on (
I
) the machine's power.
12. Press the green start button key on the front
console (Figure 2-42) to initiate the machine.
Содержание CMT-330TC
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