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Reverse Osmosis System Controller
With "Run Time" Hour Meter & Delivery Pump Control
ESDI Model 503
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The ESDI Model 503 Reverse Osmosis System Controller is an electronic circuit board
assembly that performs all of the functions necessary to operate an industrial/commercial
reverse osmosis water purification system. This dedicated control board incorporates flush
cycles, an auxiliary pump control and features that make it cost effective and easy to use.
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Features:
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- Maintains water storage tank level, with a Hi level tank sensors.
- Automatic membrane flush cycles with selectable times and frequencies.
- Auxiliary relay & tank Lo level sensor, for delivery system. (120VAC/240VAC, 3A Rated)
- Lockout inputs for feed water pressure, TDS monitor, & water softener pre-processor.
- Hour meter output connects to counter to display run time.
- Controls membrane Flush Valve & Water Feed Valve (120VAC/240VAC 3A rated).
- Pump control relay rated for 3/4HP/120VAC and 1HP/240VAC (12 Amp Max).
- Optional RS232 serial communications port for SCADA monitoring.
- Power Requirement: 120VAC or 240VAC, 50/60 HZ
- Board Size: 6" X 6.75". Enclosure Size: 11.5" X 7.75" X 6"
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All of our products come with a Two-year Warranty. Your satisfaction is guaranteed.
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