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Installation Continued
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Electrical Instructions
Single phase dust control units are rated dual voltage. Some single phase dust control units
are equipped with cord and grounding type plug for 115 volts. To use with a different voltage,
see instructions provided to make wiring changes. All attachment plugs and any receptacles
must be replaced with devices rated for the voltage for which the dust control unit is
reconnected. For your safety, be certain dust control unit is properly grounded. Table 1
indicates the minimum wire size. Be sure to comply with NEC and local wiring codes.
Three phase dust control units are normally dual voltage and must be wired for the proper
voltage and rotation direction (connections are inside conduit box). Connect phase sequence
so that the wheel moves down toward top surface of tool rest as viewed from front of dust
control unit. Wheel must rotate toward tool rest. Be sure all electrical connections are secured
and properly insulated. For your safety, be certain dust control unit is properly grounded.
Table 1 indicates the minimum wire size. Be sure to comply with NEC and local wiring codes.
Ampere Rating
Ampere Rating
More Than
Not More Than
0
6
6
10
10
12
12
16
MN908
Bolt pedestal securely to floor. Pedestal must be securely mounted to floor to prevent tip
hazard.
Remove the pedestal assembly bolt (Figure 1) located in top mounting plate.
Replace pedestal assembly bolt with stud and washers supplied with the dust control
unit (see Figure 2). Use "Fig. 2A" for GA20 pedestal and "Fig. 2B" for GA16 pedestal.
Tighten the stud securely into the pedestal.
Mount dust control bracket over stud with motor on bottom side, see Figure 2. Align
mounting holes in bracket with those in pedestal. Secure bracket to stud with nut
supplied. Proceed to mount grinder to pedestal by using proper holes in pedestal and
installing mounting bolts supplied.
Mount the double–inlet air control valve to the inlet of the blower unit and secure at base
of air control valve. Attach a hose (supplied with unit) to each inlet and to each grinder
exhaust outlet. Secure both ends of hoses with clamps supplied.
Attach elbow to exhaust outlet of blower.
Attach dust bag to elbow with clamp supplied.
Table 1 Minimum Gauge Wire Size
Volts
115V
230V
Total Length of Cord (Cord + Extension, in Feet)
25
50
50
100
AWG
18
16
18
16
16
16
14
12
100
150
200
300
16
14
14
12
14
12
Not Recommended
3
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