O&M, and troubleshooting of the Prelos Processor. This manual does not replace engineering plans or training. Depending on the model of Prelos Processor, not all components may be covered in this manual. For system components not described in this manual, contact the project engineer or the component’s manufacturer.
O&M Manual: Orenco ® Prelos ™ Processors Standard Product Description, cont. Standard Components, Pump-Discharge Models (Control Panel not Shown) To sewer line Inlet Inlet tee Support column Baffle wall (full-length) Baffle pass-through Access riser Access lid Pump vault ® Biotube...
• Ask the contractor to bring the site’s engineering plan. Step 1: Confirm with the contractor that the Processor has been Step 3: Get a copy of NFO-EPS-1, Prelos Inspection/Start-Up Report. watertightness tested per NIM-EPS-2, Prelos Processor Installation Manual.
Call” label inside the panel, if it isn’t already filled out. • Note any discrepancies. Step 16: Close and secure all access to the Prelos Processor if you Step 9: Inspect the pump and hanging discharge assembly (HDA). are not going to perform the start-up tests immediately after physical IMPORTANT: DON’T raise or lower the pump by the...
Start-Up Test, cont. Start-Up Test, cont. Step 1: Open the control panel; turn on the circuit breakers for Step 5: Measure and record the pump-run amperage on the Prelos panel power, float switches, and pump. Inspection/Start-Up Report. Step 2: Toggle the “AUTO/OFF/MAN” switch to “AUTO.”...
Step 3a: Remove the float switch/Biotube filter assembly from the Prelos Sewers or other liquid-only (effluent) sewers. pump vault. Typically, a Prelos Processor requires service only once every three Step 3b: Remove the filter’s cover plate and mounting hardware; to five years or sometimes longer, depending on conditions. Contact set them on the tarp.
Step 6: Wash the tarp off over the access riser. pump warranty. Step 7: Close and secure all access to the Prelos Processor if you • Inspect the pump and clean the screen, if necessary. are not immediately going to perform a tank pump-out.
O&M Manual: Orenco ® Prelos ™ Processors Part 2: Maintenance, cont. Final On-Site Maintenance Activities Step 1: Record all notes, remarks, and discrepancies for the site in the site’s maintenance diary. Step 2: Make sure all of the wiring diagrams, schematics, and instructions for the control panel are placed back in the holder on the panel door.
Processors Part 3: Troubleshooting, cont. General Troubleshooting This troubleshooting chart is intended to help diagnose and address issues with Prelos Processors. To use this chart ... • Look for the symptom or symptoms you are experiencing in the left-hand column.
® Prelos ™ Processors Part 3: Troubleshooting, cont. Control Panel Troubleshooting This troubleshooting chart is intended to help diagnose and address issues with Prelos control panels. Symptom Common Causes • Pump circuit breaker off/fuse blown • Faulty ClickTight ™ connectors Pump does not operate with control panel toggle switch in “MAN”...
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