Oil-Less Rotary Vane Vacuum System
Ohio Medical Oil-Less Rotary Vane, NFPA 99 compliant vacuum system consists of electric motor driven pumps, vacuum receiver, and an electrical control system. The components are modularly assembled to accommodate most existing doorways. The system includes interconnecting piping and wiring to provide a functional operating package with applicable electrical and plumbing connections at the installation site. The packaged unit is factory tested prior to shipment and warranted for a period of 30 months from date of shipment or 24 months from date of start-up.Vacuum Pump Module
The Oil-Less Rotary Vane Vacuum pumps are single stage, air cooled, with self lubricating graphite vanes. The vacuum pump assembly includes an integral inlet filter, vacuum regulating valve, check valve, pump isolation valve, a source isolation valve and flexible connector.
The Vacuum Receiver is constructed to ASME standards, rated for full vacuum, and include a valved by-pass, manual drain valve, vacuum gauge and the National Board label.
The UL listed electrical motor control system contains a fuseless design in a NEMA 12 enclosure. The “Continuous On Demand” feature stops the operation of the motors during periods of low or no demand. The controls include individual self protected combination motor controls with short circuit, single phase and thermal overload protection, Soft Start Technology, individual 120 volt control circuit transformers with fuseless primary and secondary protection, pressure sensors, and an electronic controller to automatically switch the operating sequence of the vacuum pumps. The cabinet door has an HMI (Human Machine Interface) Color Touch Screen system status display to include system pressure, pump operation, accumulated time, maintenance interval, fault conditions, and a silence button; lighted Hand-Off-Automatic selector switches and safety disconnect operating handles.
All required local alarm functions are integrated into the packaged system. The circuitry is designed so the audible signal can be silenced and the visual indicator will remain until the fault has been cleared and the reset button actuated. Local alarm functions are provided for reserve pump in use (lag alarm). Dry contacts are furnished for remote (master) alarm signals.
Included for job site installation are inlet and discharge flexible connectors, source isolation valve, vibration mounting pads,
and touch-up paint.
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