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circuit requirements
SECTION 2: CIRCUIT REQUIREMENTS
Model G9901
110/220V Operation
Serious personal injury could occur if you
connect the machine to the power source
before you have completed the set up pro-
cess. DO NOT connect the machine to the
power source until instructed to do so.
Amperage Draw
The Model G9901 features a 110/220V motor that
is prewired for 220V and draws the following amps
under maximum load:
Model G9901 Motor Draw at 110V ....... 19 Amps
Model G9901 Motor Draw at 220V ...... 9.5 Amps
Circuit Requirements
We recommend connecting your machine to a
dedicated and grounded circuit that is rated for
the amperage given below. Never replace a circuit
breaker on an existing circuit with one of higher
amperage without consulting a qualified electri-
cian to ensure compliance with wiring codes. If
you are unsure about the wiring codes in your
area or you plan to connect your machine to a
shared circuit, consult a qualified electrician.
110V Circuit ........................................... 30 Amps
220V Circuit ........................................... 15 Amps
Electrocution or fire could
result if this machine is
not grounded correctly or
if your electrical configura-
tion does not comply with
local and state codes. You
MUST ensure compliance
by checking with a quali-
fied electrician!
Model G9901/G9902/G9903 Milling Machine
Recommended Plug Types
The cord set enclosed does not have a plug, as
the style of plug you require will depend upon
the type of service you currently have or plan to
install. We recommend using the following plugs
(see Figure 5 for an example):
110V Plug & Receptacle .................NEMA L5-30
220V Plug & Receptacle .................. NEMA 6-15
Figure 5. Model G9901 recommended plugs.
Extension Cords
Using extension cords may reduce the life of the
motor. Instead, place the machine near a power
source. If you must use an extension cord:
•
For 110V, use at least a 12 gauge cord that
does not exceed 50 feet in length.
•
For 220V, use at least a 14 gauge cord that
does not exceed 50 feet in length.
•
Ensure that the extension cord contains a
ground wire and ground prong.
Rewiring for 110V Operation
The Model G9901 comes prewired for 220V oper-
ation. To change to 110V operation, the forward/
reverse switch and the motor must be rewired.
Refer to the G9901/G9902 110V Wiring Diagram
on Page 59.
L5-30 Plug & Outlet
for 110V
6-15 Plug & Outlet
for 220V
-17-
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