Pentair PR AQUA ROTOFILTER Installation And Operation Manual
Pentair PR AQUA ROTOFILTER Installation And Operation Manual

Pentair PR AQUA ROTOFILTER Installation And Operation Manual

Drum filter
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PR AQUA ROTOFILTER
DRUM FILTER
INSTALLATION AND
OPERATION MANUAL
IMPORTANT SAFETY INSTRUCTIONS
READ AND FOLLOW ALL INSTRUCTIONS
SAVE THESE INSTRUCTIONS

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Summary of Contents for Pentair PR AQUA ROTOFILTER

  • Page 1 PR AQUA ROTOFILTER ™ DRUM FILTER INSTALLATION AND OPERATION MANUAL IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS SAVE THESE INSTRUCTIONS...
  • Page 2 This document is subject to change without notice. 2395 Apopka Blvd., Apopka, FL 32703, USA Phone: 407.886.3939 Web: PentairAES.com All Pentair trademarks and logos are owned by Pentair or one of its global affiliates. Pentair Aquatic Eco-Systems ® PR Aqua and Rotofilter are trademarks of Pentair Aquatic Eco-System, Inc.
  • Page 3: Table Of Contents

    Installing the Rotofilter ......20 Installing the Backwash System ..... 21 Connecting the Plumbing ......22 Installing the Control Panel ..... 22 Control Panel Installation Checklist ..22 UV Installation (RFUV Only) ..... 23 PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 4 (Chain-Drive Models) ....... 55 14.7 Removing the Drive Assembly (Direct-Drive Models) ....... 56 14.8 Positioning the Set Collar (Direct-Drive Models) ....... 58 14.9 Replacing the Drive Assembly (Direct-Drive Models) ....... 59 PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 5: Section 1: Foreword

    The serial number for the Rotofilter is stamped on a product information plate, located to the left of the drive system. The plate contains the model number, manufacture date, and company contact information. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 6: Section 2: Safety

    Rotofilter. Read labels and note their locations before operation, maintenance, or servicing of the product. Ultraviolet (RFUV) models contain additional labels. Refer to the UV manual for Rotation: applicable warnings and precautions. Located on drive assembly PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 7: Protective Equipment

    Personnel working with or near dangerous voltage should be trained in modern methods of resuscitation. 2.5 Jewelry Remove rings, watches, chains, and other metallic objects that could result in shock, burns, or may catch on equipment. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 8: Section 3: Shipping And Storage

    32054 280/475 kg 615/1,040 lbs 48048 335/685 kg 730/1,500 lbs 48072 345/910 kg 760/2,000 lbs 60072 775/1,680 kg 1,700/3,700 lbs 60096 910/2,635 kg 2,000/5,800 lbs 60120 1135/3,290 kg 2,500/7,250 lbs PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 9 75mm (3 in) wide slings at a minimum, looped underneath the housing and placed as close to each end as possible. Ultraviolet (RFUV) models: Do not install UV Modules until the Rotofilter has been installed and properly anchored. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 10: Storage

    Visually inspect the storage area and storage materials for potentially damaging issues, such as leaks in the roof or tears in the covering. Visually inspect the Rotofilter for any damage. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 11: Section 4: Introduction

    Water is fed into the drum, and once treated, flows out of the enclosure. 1: Support Wheel Assemblies 2: Solids (Waste) Outlet 3: Inlet 4: Drive Assembly 5: Spray Bar 6: Level Control Basin (optional) PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 12: Operational Mechanics

    Rotofilter has integrated overflow protection that allows water to bypass the screens and flow directly into the enclosure, rather than backup into the waste trough and inlet supply. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 13: Section 5: Pre-Installation

    (left or right, when facing the inlet). The location of the foundation should be determined based on service access and stability. Minimum recommended service access is 92 centimeters (36 inches). PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 14: Sump Requirements

    Frame (RFF) models will need to have sumps that will cause the unit to malfunction, and will void can be drained or pumped. the warranty. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 15: Hydraulic Controls

    Rotofilter can be extremely heavy when in 4: Water Level Differentia operation. The weight of the unit is listed on the technical specification documents, or see Rotofilter weights in Section 3.2 PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 16: Backwash System Considerations

    Check with the local water supplier for quality parameters. Pressure and flow rates from external water sources should meet the values required for the Rotofilter, as specified by Pentair. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 17 The water supply should be connected to the to prevent freezing. inlet of the pump. For Frame (RFF) models, the pump inlet should be connected to a supply that is completely submerged in the sump. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 18: Control Panel Considerations

    The control panel installation location should be outlined and diagrammed prior to Rotofilter installation. The location should allow ample room for electrical fixtures and should not interfere with the service clearance required by the Rotofilter. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 19: Pre-Installation Checklist

    Rotofilter. by Pentair. Existing plumbing has been thoroughly flushed. Outlet water channel has monitoring system installed (if necessary). PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 20: Section 6: Installation

    Ensure the inlet, solids, and overflow (if required) channels align properly with the external plumbing for Molded (RFM) and Ultraviolet (RFUV) units, and sump channels align with Frame (RFF) units. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 21: Installing The Backwash System

    2: Connection Point (to Spray Bar Assembly) 3: Throttling Valve 4: Solenoid (if Required) 5: Outlet Plumbing (Pump to Unit) 6: Backwash Pump 7: Inlet Plumbing (Source to Pump) 8: Connection Point (to Source) PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 22: Connecting The Plumbing

    Rotofilter. These may include the backwash connections and drains near the bottom of the unit, and the unused backwash inlet. Plugs are supplied in the owner's kit shipped with the Rotofilter. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 23: Uv Installation (Rfuv Only)

    Modules are prevented from moving side-to-side by finger locks on either side of the top ledge of the UV chamber. See Figure 13. Figure 13. UV chamber finger locks (1) PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 24: Section 7: Pre-Operation

    Figure 15. Support wheel bolts (wheel assembly appearance may vary) 1: Support Wheel Bolts Figure 14. Adjusting the screen clamp fasteners 1: Open-end Wrench 2: Hex Key Wrench 3: Gasket PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 25: Checking The Drum Seal

    As the object slides, the seal will move on top of the object and realign correctly. Replace the seal if it is ripped, cracked, or buckled. See Section 12.3 for drum seal replacement. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 26: Adjusting Drive Tension

    2. Lock out the control panel. 3. Loosen (do not remove) the gear mount fasteners on the right side of the drive assembly (behind the oil bath). See Figure 18. Figure 18. Gear mount fasteners PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 27: Checking The Housing And Drum Enclosure

    If the LED does not Control panel door opens without obstruction. illuminate or rotation does not occur, the control panel has not been properly wired. Control panel installation checklist is completed by an electrician. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 28: Performing A 24-Hour Run

    9. Turn the drum and backwash pump switches to only). See the separate UV manual. Manual Mode. 9. Check the Lamp Out indicators (Ultraviolet (RFUV) units only). Seethe separate UV manual. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 29: Calibrating Float Switches

    Figure 20. Float switch assembly 1: Backwash and Drum Rotation Switch 2: High-Level Alarm Switch 3: Float Switch Support Fastener 4: Overflow Bypass PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 30: Section 8: Startup And Shutdown

    5.6 to 7.0 kg/cm2 (80 to 100 psi). Do not exceed 7.0 kg/cm2 (100 psi). Pressure above 7.0 kg/cm2 (100 psi) will damage the screens. 11. Turn the drum and backwash pump switches to Automatic Mode. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 31: Shutdown Procedure (24 Hours Or Less)

    NOTE 11. Do not allow the Rotofilter to freeze. vary based on the period of shutdown and the frequency of regular maintenance. At a minimum, daily maintenance procedures should be completed. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 32: Section 9: Maintenance

    Flow may need to be altered to maintain the correct balance between water inside and outside of the drum. Yearly Maintenance Manual Section Inspect / replace support wheels ......13.4 Inspect / replace drum seal ........12.1 PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 33: Inspect Mechanical Parts

    Most floats have a small “o” symbol on one side indicating the top. Ensure the float is installed with the “o” facing up. Mark the top of the float before removing it if there is no distinguishable mark. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 34: Combined Maintenance Procedure

    3. Turn on power to the Rotofilter control panel. 4. Rotate the drum in Manual Mode until a screen is accessible. Figure 24. Threading the set screw away from the screen panel PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 35 19. Inspect and clean the inlet trunnion before installing the new seal. Apply anti-seizing compound to the rivet nuts that will be used to install the seal. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 36 See Figure 28. Realign the seal if necessary. Figure 28. Incorrect (left) and correct (right) drum seal alignment Figure 30. Use the bypass to trim the drum seal PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 37 Do not reuse nyloc fasteners. properly. The pressure of the Nylocs are no longer effective after screen clamp on the gasket creates a watertight being removed. seal. Apply gaskets with care. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 38 42. Rotate the drum to a new section. Repeat steps they are centered in the tapped flat bar. 38 through 40 for remaining sections. See Figure 35. 43. Replace the Rotofilter lid. Figure 35. Centering the set screws PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 39: Section 10: Spray Bar Maintenance

    Do not over tighten the screws. 5. Reassemble the nozzle by inserting the locking cap over the spray nozzle body, pushing in, and twisting clockwise until the cap snaps in place. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 40: Section 11: Screen Maintenance

    2. Follow the appropriate Shutdown procedure as Section 11.4, and fully immerse in a 5 to 15% described in Section 8.3. muriatic acid solution until clean. 3. Drain the enclosure (tank/sump). PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 41: Washing The Screens

    3% or more Figure 39. Removing a damaged cell (maximum 10 plugs) of the screen cells. 11.3.1 Tools Utility knife Screen repair plug Blunt object (such as a pencil eraser) PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 42: Removing Screen Panels And Gasket Seals

    2 screen panels. Remove the Rotofilter lid. If the model has removable side panels, it may be beneficial to remove them for more service access. Figure 41. Removing nylocs from screen clamps PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 43: Replacing Screen Panels And Gasket Seals

    Sump pump (if necessary) Gasket Razor blade Replacement screen panels Nyloc fasteners Figure 43. Removing the screen panel SAE socket set SAE open-end wrench set SAE hex key wrench set Torque wrench Anti-seizing compound PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 44 Ensure sides of the gaskets are parallel with the start of the rounded edge of the drum channel. Figure 46. Installing a screen panel PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 45 10. Reinstall the two screen clamps in each section by pushing the angled ends of the screen clamp down onto the screen. Slide the clamps onto the set screws on the tapped flat bar. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 46: Section 12: Drum Seal Maintenance

    For the combined maintenance procedure, see Section 9.5. 12.2 Removing the Drum Seal 12.2.1 Tools Figure 50. Removing the drum seal Socket wrench 6. Remove the old seal. SAE socket set Anti-seizing compound PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 47: Replacing The Drum Seal

    See Figure 53. Figure 51. Drum seal pre-assembly Figure 53. Trimming the drum seal using the inlet trunnion PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 48 8. Trim the top ends of the seal using the filter bypass as a guide, See Figure 54. Figure 54. Trimming the drum seal using the filter bypass 9. Replace the removed screens, as described in Section 11.5 PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 49: Section 13: Support Wheel Maintenance

    Please contact us with part number inquiries. 13.3.1 Tools Flathead screwdriver or coin Grease gun Food-grade general purpose grease (We use Lubriplate FGL-2) ® Clean, soft cloth PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 50: Removing The Support Wheels

    2. Grease fittings are located at end of each support wheel shaft. See Figure 58. Torque wrench Figure 58. Support wheel grease fittings 3. Apply grease until it discharges from the bearing seals. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 51: Replacing The Support Wheels

    Lift only high enough to allow require a bottleneck hydraulic jack to lift safely wheels to turn. Excessive lifting and successfully. may warp the drum or damage the drum seal. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 52 9. Lower the hydraulic jack until the drum rests on the support wheels. Remove the jack and any other tools or parts. 10. Follow the Startup procedures in Section 8.2. 11. Ensure that all wheels turn smoothly. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 53: Section 14: Drive Assembly Maintenance

    The gear is a standard wear item and will need to be replaced occasionally. Rarely, the motor can burn out and may also need to be replaced. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 54: Drive Assembly Parts (Chain-Drive Models)

    (behind the oil bath). See Figure 63. 8: Alignment Bracket 9: Pillow Block (2) 10: Shaft Assembly Figure 63. Gear mount fasteners PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 55: Removing The Drive Assembly (Chain-Drive Models)

    If adjustment is necessary, loosen the idler (top sprocket) bushing and adjust the idler sprocket. Tighten the bushing. 4. Attach the chain to the lower sprocket. Figure 65. Gear mount fasteners PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 56: Removing The Drive Assembly (Direct-Drive Models)

    (Section 8.2 or 8.3) before performing any maintenance on the Rotofilter. 1. Turn off power to the Rotofilter control panel. 2. Lock out the control panel. Figure 68. Removing the motor PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 57 15. Remove the 2 socket cap screws in the set collar with a hex key wrench. 16. Remove the set collar from the shaft. Figure 70. Removing the gear from the shaft PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 58: Positioning The Set Collar (Direct-Drive Models)

    Pry bar 6. Remove the set collar fasteners. Apply Loctite 609 retaining compound to each. 7. Reinstall the set collar by aligning it to the location mark. Retighten the fasteners. PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 59: Replacing The Drive Assembly (Direct-Drive Models)

    6. Insert the bolts and washers through the enclosure and gear mount from inside of the enclosure. 7. Thread nylocs onto the bolts and tighten the bolts with a torque wrench. PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 60 NOTES PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 61 NOTES PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 62 NOTES PR Aqua Rotofilter Drum Filter Installation and Operation Manual ™...
  • Page 63 NOTES PR Aqua Rotofilter™ Drum Filter Installation and Operation Manual...
  • Page 64 2395 Apopka Blvd., Apopka, FL 32703, USA Phone: 407.886.3939 Web: PentairAES.com © 2018 Pentair Aquatic Eco-Systems (Canada) Inc. All rights reserved. This document is subject to change without notice. P/N 450041 Rev. A 8/18...

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