Dekker VMAX SERIES Installation, Operation & Maintenance Manual
Also see for VMAX LT SERIES: Installation, operation & maintenance manual
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DEKKER Vacuum Technologies, Inc. / Part No. 9983-0000-S01 Rev. A 24DevarnishingThe operating life of the unit is greatly enhanced based on the quality of the seal fluid. Oxidized or darkenedseal fluid is a sign of trouble. Plugged filters reduce performance and may damage pump. Periodic maintenancewill offer the best protection for your equipment.DEKKER offers a specially formulated devarnishing compound Proclean 39V for oil-sealed liquid ring pumps andsystems. Procedure for using Proclean 39V and SDS sheet are included with the product.NOTE: Varnished pumps are not covered under warranty.ACCESSORIES AND PROTECTIVE DEVICES (IF INCLUDED)AccessoriesThe following accessories are available for Vmax oil-sealed liquid ring vacuum pump systems. Inlet or Discharge Flexible Connectors (optional): These flex connectors are used in pipingsystems to eliminate vibration transmission from machinery throughout the piping network. Vibration Isolators (optional): Vibration isolators are used to eliminate vibrations, noise and shocktransmission from machinery to the floor. Floor-mount type vibration isolators are used for Vmaxvacuum pump systems. System Isolation Valve (optional): This valve may be installed on the vacuum receiver tank orvacuum pump manifold. Usually the valve is used to isolate the vacuum system from the pipingnetwork. Inlet Filter (optional): An inlet filter may be installed on the Vmax oil-sealed vacuum pump systemsto prevent carry-over of particles into the pump. Vacuum Relief Valve (optional): This valve may be installed on the pump suction manifold or onthe receiver. The vacuum relief valve is used to protect the vacuum pump from closed suction whichcan damage the pump.Protective DevicesThe following protective devices are available to protect the unit from being damaged and to help withmaintenance: High Temperature Switch (optional): The switch will signal when the temperature of the sealfluid is exceeding the shut-down level. The switch will shut the unit down. The unit will not restartuntil the alarm condition is acknowledged and is reset. The switch is a “snap disc” type of switch thatis normally closed. When the temperature reaches the maximum set point, the switch will open. Oncethe switch has opened, there is a 10°-20°F differential that the temperature will need to drop to, inorder for the switch to close. High Back-Pressure Switch (optional): This switch is installed on the discharge of the separator.When the back-pressure reaches a pre-determined level (4 psi), the switch will signal the controlpanel. A high back-pressure light may be installed on the control panel, which, when illuminated,signals that the exhaust element in the vacuum pump needs to be replaced. Note that the high back-pressure switch will not shut the unit down, but the exhaust element must be replaced as soon aspossible. Low Oil Level Switch (optional): This switch is installed in the separator/reservoir of the liquidring vacuum pump. It is a float type of switch. If the level switch is triggered, the affected pump willshut down. The LOW OIL LEVEL light on the control panel will be illuminated. The low level switchwill be wired into the main alarm of the panel. The alarm will have to be reset to restart the pump.When filling the system with oil, make sure that the power to the pump is off because if the alarmreset button has been reset and the level switches contacts close while filling the pump, the pump willstart-up automatically. |
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