2.3 Power
Configuration
The Marathon Series uses AC power in different
configurations, appropriate for use throughout the world.
Please check the catalog number of the model that you
have purchased, to ensure that the machine you have is the
proper power configuration. For best results, the
refrigerated centrifuge, 3000R, should be used on a
dedicated line. Variations in line voltage or frequency
affect the unit’s speed and other characteristics. Less than
nominal line voltage may prevent the centrifuge from
reaching maximum published specifications of speed
and/or temperature. Power line voltage, at some locations,
may sag, when the refrigeration system turns on.
Power Cord
The unit requires a grounded power supply (3 prong
outlet). If your facility does not have grounded power
outlets, arrange for a proper grounding. The power cord
plugs in on the left side of the unit.
Warning:
Do not remove the grounding pin from the centrifuge
power cord. Do not use the bare wired power cord to attach a
power plug that does not have a grounding pin.
The power cord provided with the unit is correctly rated for the
highest current demand. This power cord should not be
interchanged with cords from equipment with lower current
demand. Exchange of power cords between equipment may
create a fire hazard.
Main Power Switch
The main power switch is located on the left side of the
centrifuge, next to the power cord. Press this rocker switch
to power the unit on or off according to the picture below:
OFF ON
MARATHON Series Operation Manual
9
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