Barnstead|Thermolyne EASYpure D7421 Installation, Operation & Service Parts Manual
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Contents
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31Normal Unit OperationBelow is a brief description of the normal automaticoperation of the EASYpure RO. If the unit does notoperate as described below, refer to the Trouble-shooting Guide.When you activate the power switch, the follow-ing events will occur:1. All LEDs light momentarily to indicate thatthey work.2. After approximately 5 seconds, the auto-matic solenoid valves are energized. Theinlet valve opens, supplying the EASYpureRO with water. The flush valve alsoopens, diverting virtually all the water todrain.3. After approximately 20 seconds, the pumpenergizes. The majority of the water pro-duced goes to drain.4. 10 seconds after the pump energizes, thepressure switch begins monitoring theincoming water pressure.5. After 3 minutes, the flush solenoid valvecloses and the EASYpure RO begins mak-ing product water and sending it to thestorage reservoir.6. The unit begins to monitor membrane per-formance and the storage reservoir floatsbegin to monitor tank levels 5 secondsafter the flush solenoid valve closes.During operation, the storage reservoirfloats will: 1) switch the EASYpure RO intostandby mode (pump off) when the stor-age reservoir is full, 2) switch theEASYpure RO back into water productionmode (pump on) when the reservoir levelService and RepairWarningDisconnect from the powersupply prior to maintenanceand servicing.Refer servicing to qualifiedpersonnel.Ensure all piping connectionsare tight to avoid leakage ofchemicals.Ensure adequate ventilationwhen using chemicals forcleaning.Follow carefully the manufac-turers’ safety instructions onlabels of chemical containersand Material Safety DataSheets (M.S.D.S.). |
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