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The Powerex enclosed medical vacuum system is designed to create a suction to remove unwanted fluids or gases from hospital/laboratory working areas. The enclosed medical vacuum system package is compliant with the NFPA 99 requirements for Risk Category 1 systems.
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Each pump shall be a rotary claw type vacuum pump, and shall bedirect-driven through a shaft coupling by a C-face, TEFC electric motor.
• Each vacuum pump shall be dry-running, featuring two clawtype, non-contacting rotors and shall not require any sealing fluid in the pumping chamber, assuring virtually maintenance-free operation.
• Each vacuum pump assembly shall include an integral relief valve.3
• Each pump within the system shall include a check valve, inlet and discharge flex connectors, a 5 micron inlet filter and a pump isolation valve on the intake connection.
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The motor is continuous duty, C-face, TEFC, suitable for 208-230, or 460V, 3 phase, 60 hertz electrical operation.
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The internally lined ASME rated vacuum receiver shall be equipped with a sight gauge, isolation valves, and a manual drain.
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The control system provides automatic lead/lag sequencing and automatic alternation of all pumps in order to equalize the amount of usage among the available vacuum pumps. The Premium NFPA Control panel shall include a gateway server card and all features listed below:
• PLC controller and a color touch screen panel which displays the operating status of the unit
• Building automation communication gateway with BacNet® protocol and Web server features. Web server features include email notifications in case the system is in alarm or has achieved one its maintenance intervals and requires service.
• Ethernet port for connection to BacNet® server or direct connection to facility Ethernet for viewing of system operations and status via device IP-address
• UL508A listed control panel in a NEMA 12 enclosure. The panel door will include: the HMI touch screen, an audible and visual alarms with an acknowledge button, and an HOA switch for each pump
• Magnetic contactors with Motor protector circuit breaks featuring through-the-door operators with lockable control knobs. Motor protector circuit breakers feature high inrush capability.
• Vacuum transducer for process control
• Single point power connection
• Redundant 120Vac control transformers with fused primary and secondary protection
• System overload trip, high temperature conditions or maintenance intervals for the pump will result in visual and audible alarms
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• Internal tank lining for corrosion resistance
• Variable Frequency Drive (VFD) Control Panel
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