Installation And Relocation - Hitachi CR22N Instruction Manual

5. Installation and Relocation

Installation or relocation of your centrifuge must be done by the authorized Hitachi Koki service
representative. Contact your local dealer or a Hitachi Koki service representative.
Observe the following instructions for installation or relocation of your centrifuge.
DANGER: To avoid electrical shock hazards, follow below when servicing the centrifuge.
1) Be sure to turn off the POWER switch and turn off the distribution board of your
2) Be sure to turn off the POWER switch and unplug the power cord from the receptacle
(1) Electric power requirements
Your centrifuge can operate on the following power source: Single phase, AC 200, 208, 220, 230
or 240 V+/-10%; 50/60 Hz; 30A.
centrifuge only to turn off the centrifuge power in the event of failure. It is recommended to provide that
switch at the outside of the centrifuge room or near the exit of the centrifuge room.
When your centrifuge is equipped with a power cord with a NEMA 6-30P plug to fit a NEMA 6-30R
receptacle, do not position an object so that it is difficult to disconnect the power cord from the receptacle.
If you do so, you cannot disconnect the power cord from the receptacle when you observe some
abnormality.
(2) Location
WARNING: For operator safety, maintain a 30-cm "clearance envelope" around the instrument and
keep out that area while the rotor is spinning. Do not store dangerous substances capable
of developing flammable or explosive vapors on nor near the centrifuge.
a) Install the centrifuge on a flat, vibration-free concrete or stone floor. Avoid installing on a carpeted
floor or other unsolid floor.
b) Ambient temperature range is 2 ºC to 40 ºC.
The rotor temperature will be high if the ambient temperature becomes higher than 25 ºC.
Avoid a place exposed to direct sunlight.
c) Maintain a 30-cm "clearance envelope" around the centrifuge. Do not store any substances in the
clearance envelope.
d) In order to cool the rotor chamber properly, do not put any objects in the Rear duct ass'y.
5. Installation and Relocation
centrifuge room if your centrifuge is equipped with a three wire power cord. Then
wait at least three minutes and then remove covers or tables from the centrifuge.
if your centrifuge is equipped with a power cord with a plug. Then wait at least three
minutes and then remove covers or tables from the centrifuge.
Provide an emergency switch (circuit breaker) intended for the
Min.30cm
Fig.5-1 Location requirement
Min.30cm
Min.30cm
5-1
Rear duct ass'y