Section 2 Installation HP7A Manual
www.rottlermfg.com
2-7
Power Supply
Disconnect all power before servicing this machine. Failure to do
so could result in electrical shock.
This machine has the following power requirements:
208 to 240 VAC
Single Phase
50 or 60 Hertz
20 amps
(See wiring diagram for the HP7A Hone).
See illustration below for correct connection of “measured” incoming power. Connect single phase wiring
to the main rear enclosure, located on the right rear of machine base. The connection point for power
is located inside the enclosure. The connection termination point is located on the left hand side of the
electrical panel about half way up. Connect L1 to the number 2 terminal on the power switch, L2 (neutral)
to the number 4 terminal on the power switch. Attach wire from the grounding rod to the third terminal on
the terminal block.
Important: Electrically connect in accordance with national and local electrical codes.
Note: This machine requires the use of an electrical disconnect switch.
This machine cannot be run on 440 volts. A transformer must be
installed if 440 volts must be used.
Grounding
This machine must be connected to
a good earth ground rod. A 6 foot,
1/2” diameter, 15 OHM, Copper
grounding rod driven into the earth
next to the machines is preferred. Not providing
a grounding rod could void factory warranty.
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