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Voltage Conversion
(G0807)
The voltage conversion MUST be performed by
an electrician or qualified service personnel.
IMPORTANT: To perform the voltage conversion,
rewire the motor to the new voltage, rewire the
power transformer, correctly set the overload relay
dial, rewire the welding transformer, and install
the correct plug, according to the provided wiring
diagram.
Note: If the diagram included on the motor
conflicts with the one on Pages 61–62, the mo-
tor may have changed since the manual was
printed. The diagram provided inside the motor
wiring junction box supersedes what is printed in
this manual.
Items Needed
•
Phillips Head Screwdriver #2 ..................... 1
•
Wire Cutters/Stripper .................................. 1
•
Electrical Tape ............................ As Needed
•
NEMA L5-30 Plug ...................................... 1
•
Contactor(P0807420) .................................. 1
•
Overload Relay (P0807422) ....................... 1
To convert G0807 for 110V operation:
1.
DISCONNECT MACHINE FROM POWER!
2.
Remove 6-15 plug from power cord.
3.
Remove motor junction box cover, then loos-
en all three wire nuts indicated in Figure 13.
Loosen
These
Wire Nuts
Figure 13. Location of terminal screws to be
loosened on Model G0807.
Model G0806/G0807 (Mfd. Since 12/15)
Qty
Start
Run
Run
Capacitor
Capacitor
Capacitor
400MFD
45MFD
125VAC
250VAC
GND
4.
Use wire nuts to connect wires, as indicated
in Figure 14. Twist the two wire nuts onto
their respective wires and wrap them with
electrical tape so they will not come loose.
Connect
Wires with
Nuts Here
Figure 14. Model G0807 motor rewired to 110V.
5.
Open the electrical cabinet and remove the
wire attached to the 220V terminal on the
power transformer in the electrical panel, and
connect it to the 110V terminal, as shown in
Figure 15.
TRANSFORMER
Ya Chang
Model: S-034-005-1
110V 1-Ph 50/60Hz
Primary Voltage:
0V/110V/220V
Wire Reconnected
to 110V Terminal
U
Figure 15. Power transformer wire relocated
from 220V to 110V.
W
2
6.
Remove the factory-installed contactor and
overload relay and replace it with the 110V
U
conversion kit (Part P0807425).
GND
1
2
F
3
4
MOTOR
R
T
6
2
220V
6
1
Start
Run
Run
Capacitor
Capacitor
Capacitor
400MFD
45MFD
125VAC
250VAC
GND
T
0V
110V
1
1
110V
R
R
0V
T
2
R
T
220V
Ground
R R
3
2
W
2
1
3
4
R
T
3
4
5
6
7
8
9
1
1
2
3
1
2
4
R
T
1
2
3
4
T
4
10
11
12
6
6
-17-
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