Operating instructions

SECTION 4 - OPERATING INSTRUCTIONS
30 Sep 13 4-1
DE-7200VFDCentrifuge
GENERAL
The procedures in this section are for use only by trained personnel who are qualified to operate
high-speed rotating equipment. Initial and normal startup, operation, shutdown, and emergency
shutdown procedures are included. Following the startup and operation procedures, detailed
information on the control screens is provided to assist the operator and technician in
understanding centrifuge operation and fully utilizing its capabilities. The centrifuge is designed to
be operated only for the purpose specified at the time of purchase. Operation in any other
application requires consultation with Derrick engineering.
SOFTWARE VERSION
The operating procedures in this section apply to DE-7200 VFD centrifuges having software
Version 3.1.6 installed. The software version is shown on the Setup screen shown below:
Although operating procedures are generally identical, an earlier software version may cause
some screens to appear slightly different from those shown on the following pages.
OPERATING SAFETY
WARNING! ALL OPERATING AND MAINTENANCE PERSONNEL MUST READ
AND UNDERSTAND ALL SAFETY INFORMATION IN THIS MANUAL BEFORE
WORKING WITH THE EQUIPMENT.
WARNING! BE SURE THAT
COVER IS CLOSED AND SECURED AND ALL
PERSONNEL ARE CLEAR BEFORE
STARTING MACHINE.
WARNING!
BE SURE THAT ALL SHIPPING COMPONENTS HAVE BEEN
REMOV
ED AND BEARING PILLOW BLOCKS ARE PROPERLY TIGHTENED.
WARNING! ALWAYS ALLOW MACHINE TO COAST TO A COMPLETE STOP
BEFORE OPENING COVER OR REMOVING GUARDS.
WARNING! DO NOT OPERATE CENTRIFUGE
IF EXCESSIVE NOISE OR
VIBRATION DEVELOPS. ALWAYS CONFIRM THAT VIBRATION SWITCH AND
OTHER SAFETY DEVICES ARE FUNCTIONAL.
WARNING!
WHILE OPENING AND CLOSING THE CENTRIFUGE COVER,
PERSONNEL MUST ENSURE THAT ALL BODY LIMBS AND ANY OTHER
ITEMS ARE CLEAR OF T
HE COVER GAP. TWO OPERATORS MUST BE USED,
WITH BOTH HANDS ON THE COVER HANDLES AT ALL TIMES. DERRICK
RECOMMENDS HAVING A HOIST AVAILABLE I
F ADDITIONAL ASSISTANCE
IS DESIRED DURING THE OPENING/CLOSING PROCEDURE.