1A-18
1A OPERATION G50/G70/G85
1.16 Main Line Circuit Breaker
The main line circuit breaker (c) is located on the control
panel.
In the off “O” position, this breaker interrupts power from
the selector switch to the terminal lugs at the bottom of the
generator panel.
CAUTION: Before shutting down the generator or per-
forming any service to the generator unit, make sure the
main circuit breaker is in the off “O” position.
1.14 Voltage Selector Switch
The voltage selector switch is located in a separate
enclosure on the generator on the opposite side of the
machine.
The selector switch is a three-position switch which
mechanically changes the connections between the gen-
erator output leads and the terminal lugs on the genera-
tor. This allows three different volt ranges to be selected.
120/240 VAC 1Ø
120/208 VAC 3Ø
277/480 VAC 3Ø
Voltage ranges are selected by rotating the handle on the
switch to the desired voltage. The switch is equipped with
a locking mechanism. This allows the voltage setting to
be locked in place to prevent unauthorized personnel
from changing the voltage selection. To lock switch in
position, push lock up and attach a padlock through the
openings in the locking strip.
CAUTION: NEVER CHANGE THE VOLTAGE SELEC-
TOR SWITCH WITH THE ENGINE RUNNING. This can
cause arcing and can severely damage the switch and
the generator windings.
1.15 Emergency Stop Switch
The emergency stop switch is the red button located to
the left of the control panel and can be accessed with the
panel doors closed.
Close the emergency stop switch by pushing the red
button in. Closing the emergency stop switch opens the
main circuit breaker and the fuel solenoid and results in
the engine shutting down and the red LEDs (g) and (j)
lighting up. The switch will remain closed until the button
is rotated and it pops out.
CAUTION: PRESS THE EMERGENCY STOP BUT-
TON ONLY IN THE CASE OF AN ACTUAL EMER-
GENCY WHERE THE GENERATOR MUST BE
STOPPED IMMEDIATELY! In all other instances, open
the main line circuit breaker and then turn the engine start
switch to off “O”.
DANGER OF ELECTROCUTION! High voltage is
present inside this panel when the generator is
operating!
E
M
E
R
G
E
N
C
Y
S
T
O
P
1026SD77 1026SD84
208
120
240
120
480
277
DANGER
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