Dekker Vmax Installation, Operation And Maintenance Manual Download Page 2

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OIL-SEALED LIQUID RING VACUUM PUMP SYSTEMS
TABLE OF CONTENTS

INTRODUCTION

Safety

STORAGE

INSTALLATION 3

Unpacking

Lifting

Location 3
Mounting

Ventilation

Electrical

preparation

Vmax-VFD operational instructions

Vmax-VFD

value

chart

Pipe connections and sizing

Inlet

piping

Discharge

piping 7

Cooling water piping (water-cooled systems only)

THEORY

OPERATION

START-UP

PROCEDURES

SHUT-DOWN

PROCEDURES

SEQUENCE

OPERATION

SYSTEM ALARM CONDITIONS

MAINTENANCE 11

Bearing lubrication – Pump

Bearing lubrication – Motor (where required)

Inlet

filter 13

Seal

fluid

Devarnishing

Seal

fluid

strainer

Spin-on oil filter (if installed)

Separator

element

Separator element oil return line

Mechanical

shaft

seals

MAINTENANCE

SCHEDULE

ELECTRICAL

CONTROLS

ACCESSORIES AND PROTECTIVE DEVICES

Accessories

Protective

devices

TROUBLE

SHOOTING

Trouble

shooting

guide

CUSTOMER SERVICE AND INFORMATION

Order

information

WARRANTY

POLICY

Dekker Vacuum Technologies, Inc. – Vmax/13

Summary of Contents for Vmax

Page 1: ...Installation Operation and Maintenance Manual Oil sealed liquid ring vacuum pump systems SERIAL NO ___________________________ June 2006 13 ...

Page 2: ...OCEDURES 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 AN...

Page 3: ...es at reasonable cost Unpacking Upon receipt of pump or system immediately inspect for signs of damage Carefully remove packing or crating from around pump or system Be sure to keep equipment in upright position DEKKER products ship F O B factory which means that any damage is the responsibility of the carrier and should be reported to them Lifting Lift the equipment carefully and with weight even...

Page 4: ... 39 0 19 5 10 6 3 4 100 100 60 80 70 35 VMX0303KA1 20 1 25 58 4 50 8 25 4 10 125 110 60 100 90 45 VMX0303KA1 20 20XP 1 15 50 8 25 4 10 4 1 VMX0453KA1 25 1 3 74 6 62 0 31 0 10 VMX0453KA1 20 25XP 1 15 83 0 72 2 36 1 10 2 1 1 4 150 150 70 125 110 60 VMX0553KA1 40 1 3 114 0 99 0 49 5 10 00 4 1 1 4 1 200 200 100 200 175 90 VMX0553KA1 20 40XP 1 15 142 3 123 4 61 9 10 VMX0753KA1 50 1 28 142 3 123 8 61 9 ...

Page 5: ...ode look in the upper right hand corner of the screen If it is in Manual mode it will display Man and if it is in Auto mode it will display Auto To change the desired mode press the F1 button in the main menu screen All system wiring is performed at the factory Check area classification to ensure all electrical enclosures comply to code Required customer wiring is minimal but should be done by a q...

Page 6: ... 24 75 00 7 50 494 00 10 47 30 00 3 00 152 00 23 94 76 00 7 60 501 60 10 17 31 00 3 10 159 60 23 64 77 00 7 70 509 20 9 87 32 00 3 20 167 20 23 34 78 00 7 80 516 80 9 57 33 00 3 30 174 80 23 04 79 00 7 90 524 40 9 28 34 00 3 40 182 40 22 74 80 00 8 00 532 00 8 98 35 00 3 50 190 00 22 44 81 00 8 10 539 60 8 68 36 00 3 60 197 60 22 14 82 00 8 20 547 20 8 38 37 00 3 70 205 20 21 84 83 00 8 30 554 80 ...

Page 7: ...y exists that the pump inlet can become closed during operation it will be essential to install some type of vacuum relief valve anti cavitation valve so that air can enter the pump inlet Never run a pump with a closed suction which causes cavitation and will damage the pump Discharge Piping Discharge piping should be at least the size of the separator discharge Do not discharge the exhaust gases ...

Page 8: ...corporates the DEKKER patented high efficiency separator arrangement to separate the seal fluid from the air or gases discharged by the pump See Piping and Instrument Diagram of the Vmax oil sealed liquid ring vacuum pump system below START UP PROCEDURES 1 Ensure seal fluid isolation valve is open This valve is located below the separator and or before the strainer 2 Jog the motor briefly and chec...

Page 9: ...eration the belts will seat themselves in the sheave grooves Further tensioning may be necessary to the point that the drive shows a slight bow in the slack side Insufficient tension is often evidenced by slipping squealing at start up 4 If the unit is idle for an extended period of time the tension on the belts should be removed 4 Check fluid level in separator reservoir The fluid level should be...

Page 10: ...section page 10 for a description of the component If any of the below do not occur see the Trouble shooting section page 12 Once the power connection to the system has been made the following should occur If disconnects or circuit breakers are installed on the control panel and are turned to the ON position the system will be energized If POWER ON indicating lights are installed on the panel the ...

Page 11: ...Note If the lag pump is still operating when the ALARM SILENCE or ALARM RESET buttons are pressed the alarm will continue to sound The alarm will only reset if the lag pump is not running Transformer failure light optional Only installed if more than one control voltage transformer is supplied If the TRANSFORMER FAILURE light is illuminated one of the transformers has malfunctioned and the second ...

Page 12: ...ns Clean the area and replace the pipe plug with a grease fitting as generally they are not equipped with a grease fitting Remove the grease drain plug located at the lower portion of each motor face typically a plastic plug and loosen any hardened grease that may block the drain Add the recommended volume of the previously described grease using a hand operated grease gun Run the motor for two ho...

Page 13: ... operating temperature When charging the system with new fluid make sure that the pump is filled with oil to the shaft centerline level Do not fill the pump above the shaft centerline Starting the pump with oil level above the shaft centerline may result in shaft or impeller damage or failure You can add oil by removing the suction or discharge flange and pouring oil through pump suction or discha...

Page 14: ...hin film of lubrication protects the faces of the seal from heat and excessive wear but it can also allow for a small amount of leakage across the seal face This small leakage is called a weep While a weep has rather arbitrary limits it is commonly considered to be a leakage rate of less than one drop of liquid every minute Seal weeps are not covered under warranty Leakage a leakage rate of more t...

Page 15: ...e condition has not been fixed the alarm will not reset High Back pressure Light indicates the exhaust filter element in the vacuum pump needs to be replaced Alarm does not shut down the pump Replace element as soon as possible Transformer Failure Light indicates transformer failure If alternate transformers are included in the panel the alternate transformer will pick up The pump will shut down i...

Page 16: ...ot stop running because all systems are equipped with 10 minute mimum run timers 3 Remember you will need to vary the vacuum level in the receiver or manifold to see a change in the vacuum level and to adjust the switches Microprocessing Controller optional system may be equipped with this very reliable and compact Controller module for controlling and monitoring basic machinery functions The foll...

Page 17: ...ode and displays the parameterization menu The operator can now access the various menus by using the up or down arrows to toggle to desired menu Selecting a parameter The following can be parameters The delay times of a time relay The switching times of an alternation time switch The threshold value of a counter The monitoring time of an operating hours counter internal clock The switching thresh...

Page 18: ... note that the values you are working with are Torr values multiplied by 10 A perfect vacuum is approaching a setting of 0 and at atmospheric pressure at sea level the setting is at 7600 760 Torr x 10 Settings for Simplex Systems Unless otherwise noted the standard switch points for a Simplex System will be set at Lead pump ON at 17 HgV OFF at 20 HgV Specific block numbers for Simplex Controller P...

Page 19: ...p only Transformer Failure Light optional All standard medical NFPA 99 oil sealed liquidring vacuum pump systems are supplied with two 2 control voltage transformers one primary and one for backup If indication is desired in the event that the primary transformer fails and the backup transformer picks up a TRANSFORMER FAILURE light will be necessary The defective transformer should be replaced as ...

Page 20: ...auge for operating temperature 2 Check the overload setting on the starter and fuses 3 Ensure that the proper voltage is supplied and that the wire size is correct 4 Check for loose electrical connections 5 Check the vacuum switch setting if installed 6 Check low oil level switch if installed add oil to reservoir if needed 7 Check if the pump has seized by rotating the coupling by hand disconnect ...

Page 21: ...ding is observed contact authorized dealer 4 Ensure that the oil level is correct and that the pump is primed and filled with oil to the shaft centerline only 5 Check vacuum relief valve if installed check the setting and adjust as needed 6 Check the inlet filter and clean if necessary Pump will cavitate if filter is blocked 7 Check if the inlet valve is closed The pump will cavitate if inlet is c...

Page 22: ...ing for service parts or system information always have the pump or system model number and serial number s ready Refer to the bill of lading or the gold colored system information plate attached to the system Parts should be purchased from the nearest authorized DEKKER representative or from the vacuum pump system supplier If for any reason parts cannot be obtained in this manner contact the fact...

Page 23: ...il seals bearings filters vanes in rotary vane pumps etc made in connection with normal maintenance service are not covered under this warranty No warranty shall apply to products that have been misused or neglected which includes operation in excessive ambient temperatures dirty environments or the pumping of corrosive erosive or explosive liquids or gasses or for problems caused by a build up of...

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