DEKKER Vacuum Technologies, Inc. – Vmax/July 2016
INTRODUCTION
The Vmax oil-sealed liquid ring vacuum pump system has been designed to give you safe, reliable trouble-
free service, provided some of the basic maintenance guidelines as set out in this manual are followed.
Compared to other vacuum pump systems, the Vmax oil-sealed liquid ring vacuum pump system offers the
advantages of no metal-to-metal contact between the impeller and casing. Grease lubricated bearings are
mounted external to the pumping chamber, isolated by mechanical shaft seals. This means that the pump
requires no internal lubrication. However, a vacuum pump is a rotating piece of equipment and operators
must exercise good judgment and follow proper safety procedures to avoid damage to the equipment or
personal injury. Please review and follow all instructions in this manual before attempting to install, start or
operate equipment.
The Vmax oil-sealed liquid ring vacuum pump system is equipped with a standard DEKKER Controller. The
DEKKER Controller is a microprocessor-based digital controller for use with DEKKER vacuum systems.
The controller is designed for flexibility and can be used on one system or multiple systems interacting
together. The DEKKER Controller provides for system control as well as monitoring of system status.
Service functions include display of spare parts list, maintenance schedules, and service history, along with
logging of fault conditions.
The DEKKER Controller includes a 4-line large-font liquid crystal display, a durable Lexan membrane
keypad, and multiple status LEDs. Communication between controllers is via RS-485 for multi-machine
systems. An Ethernet port provides for remote monitoring and control via TCP/IP protocols and can be
enhanced with the use of DEKKER’s OnDek Software. Input and output (I/O) includes 9 digital (24VDC)
inputs and 7 dry relay contact outputs. Analog I/O includes two Resistance Temperature Detectors (RTD)
inputs, four 0-10VDC/4-20mA inputs, one 0-10VDC output, and one 4-20mA output. Power input to the
controller is 24VDC.
SAFETY
All products offered by DEKKER have been designed and manufactured for safe operation. However, the
responsibility for safe operation rests with those who use and maintain these products. Your safety
department should establish a safety program based on OSHA, federal, state and local codes. It is important
that due consideration be given to hazards which arise from the presence of electrical power, hot liquids,
harmful gases and rotating equipment. Proper installation and care of protective devices is essential to safe
system operation. These safety procedures are to be used in conjunction with the instructions contained in
this manual.
To Next Page
