OIL-SEALED LIQUID RING VACUUM PUMP SYSTEMS
TABLE OF CONTENTS
INTRODUCTION 3
Safety 3
STORAGE 3
INSTALLATION 3
Unpacking 3
Lifting 3
Location 3
Mounting 3
Ventilation 4
Electrical preparation 4
Vmax-VFD operational instructions 5
Vmax-VFD value chart 6
Pipe connections and sizing 7
Inlet piping 7
Discharge piping 7
Cooling water piping (water-cooled systems only) 7
THEORY OF OPERATION 8
START-UP PROCEDURES 8
SHUT-DOWN PROCEDURES 10
SEQUENCE OF OPERATION 10
SYSTEM ALARM CONDITIONS 11
MAINTENANCE 11
Bearing lubrication – Pump 11
Bearing lubrication – Motor (where required) 12
Inlet filter 13
Seal fluid 13
Devarnishing 13
Seal fluid strainer 13
Spin-on oil filter (if installed) 14
Separator element 14
Separator element oil return line 14
Mechanical shaft seals 14
MAINTENANCE SCHEDULE 14
ELECTRICAL CONTROLS 15
ACCESSORIES AND PROTECTIVE DEVICES 16
Accessories 16
Protective devices 19
TROUBLE SHOOTING 20
Trouble shooting guide 20
CUSTOMER SERVICE AND INFORMATION 22
Order information 22
WARRANTY POLICY 23
Dekker Vacuum Technologies, Inc. – Vmax/13
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