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AQC MAXIFLO-VC Owner's Manual

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Owner's manual for installation,
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Summary of Contents for AQC MAXIFLO-VC

  • Page 1 Owner’s manual for installation, operating and maintenance...
  • Page 2 AQC Dust Collecting Systems This manual is property of the owner. Leave with the unit when set-up and start-up are complete. AQC Dust Collecting Systems inc. reserves the right to change design and specifications without prior notice...

  • Page 3: Introduction

    Introduction The usage of the collector or the type of dust to be filtered may require an explosion relief This present manual refers to the Maxiflo-VC venting system. Dust collectors are not dust collector equipped with an air pulse equipped with such a device unless it was cleaning system.

  • Page 4: Table Of Contents

    AQC Dust Collecting Systems Index Introduction ............................... 3 Information on the dust collector ......................3 Index................................4 Introduction ............................... 5 Normal usage ............................6 Cartridge cleaning ..........................7 Installation ..............................8 Inspection of goods ..........................8 Location ..............................8 Assembly ............................... 9 Electrical connection ...........................

  • Page 5: Introduction

    · Differential pressure indicator showing the status of cartridges. The Maxiflo-VC dust collector is largely used in · 3 steps paint finish: degreasing, prime coat areas where dust is a nuisance. Main applications are for welding, buffing, and polyurethane final coat.

  • Page 6: Normal Usage

    AQC Dust Collecting Systems Normal usage The Maxiflo-VC unit is designed to remove dust from the air resulting from a fabrication process. Each Maxiflo-VC dust collector is built as per the criteria and information supplied by the customer for a specific application and should not serve any other application without the approval of A.Q.C.

  • Page 7: Cartridge Cleaning

    Operation Cartridge cleaning During normal operation, the Maxiflo-VC unit The cleaning of the filter cartridges is vacuums dust laden air into the collector inlet. performed using a reverse air pulse technology Smaller particles are vacuumed toward the (see drawing # 1). A solenoid and diaphragm...

  • Page 8: Installation

    AQC Dust Collecting Systems Installation Inspection of goods 0’’ min The Maxiflo-VC unit is shipped assembled or in access to sections. Proceed with a visual inspection upon valves receiving the material and check for any apparent damage that may have occured on freight.

  • Page 9: Assembly

    Assembly Lift the filter cabinet using the lift lugs. Using spikes, position the cabinet above the dust storage section making sure to Required tools align the cabinet bolt holes with the dust storage section bolt holes. The following tools and equipment are required for the assembly of the dust collector: Warning! The use of a spreader is recommended to...
  • Page 10 AQC Dust Collecting Systems With the use of a crane (or lifting device), slowly set the hopper onto the support plates. Attach the support legs to the hopper using the supplied hardware. Support plates Apply butyl Support legs Drawing # 3...

  • Page 11: Electrical Connection

    The dust collector control panel regulates the cartridge cleaning system. Verify for proper motor rotation. The dust collector control panel may be installed on the Maxiflo-VC unit, inside or outside the building or remote of the unit.
  • Page 12 Shutter time : 50 msec to 500 msec. sequencer Shutter time accuracy : ±10 msec. Shutter time stability : ±1 msec. The Maxiflo-VC unit is equipped with 115 Lapse sequence : 1 second to 180 seconds. VAC solenoids which activate the cleaning Lapse sequence precision: ±5% settings.
  • Page 14 AQC Dust Collecting Systems...
  • Page 16 AQC Dust Collecting Systems Ventilation ducting Compressed air connection · The dust collector should be installed as Warning! close as possible to the source of dust in order to minimize the length of ventilation Compressed air must be free of oil ducting.

  • Page 17: Start Up

    Note : An excessive air volume may Start up shorten the life expectancy of the cartridges or cause an electrical power surge on the fan and the system. Check list Prior to starting the collector for the first time, Optional equipment the check list must be followed to ensure a proper continuous operation.

  • Page 18: Platform And Ladder

    Magnehelic gauge Platforms and ladders are available for 8 to 80 The Magnehelic is a differential pressure gauge cartridges Maxiflo-VC units. They may be used to measure the difference between the stationary or attached to the dust collector clean and dirty air. This allows a visual structure.

  • Page 19: Start/Stop Procedure

    Start/Stop procedure Start up with new filters Shut 50% off all inlet and outlet dampers (if any) before starting the unit. This procedure is mostly helpful when the dust to be filtered sticks to the filter surface. Do not operate the filtration system until the pressure differential has increased by at least 1’’...

  • Page 20: Staff-Workers

    AQC Dust Collecting Systems in order for the unit to be stable and secured Safety should an explosion occur or in case of high winds. Staff-Workers Interior installation All tasks on the dust collector must be performed by a minimum of 2 people and this, When a dust collector equipped with an at all times.

  • Page 21: Maintenance

    Maintenance staff must wear protective goggles Maintenance and an adequate respiratory apparatus. Purge the system of all gazes and vapours other than Warning! air. Ensure the air flow is shut off and that the Refer to the Safety section prior to interior temperature is at a safe level.

  • Page 22: Dust Disposal

    AQC Dust Collecting Systems Follow these steps to install the new cartridges. Accès door 1. It is important to be certain that the new cartridges have the same media filter of the previous cartridges; 2. Insert a cartridge while making sure the...

  • Page 23: Compressed Air System

    Compressed air system Control panel Warning! The sequencer is designed to control the air pulse cleaning valves (jet pulse). It allows the Shut off the compressed air valve and programming of a cleaning sequence which will bleed the line feeding the collector prior be repeated permanently acting on the solenoid to performing maintenance on the unit.
  • Page 24 AQC Dust Collecting Systems DCT-1000 sequencer 5. « LOW LIMIT » sets the lowest limit at which the sequencer will stop pulsing (available only with the DCP pressure The card programming was set at the factory. module). The valves opening time was set at 100 msec and the delay set at 10 seconds.

  • Page 25: Maintenance And Inspections

    Maintenance and inspections The chart indicated below shows different inspections and the frequency at which they should be performed. Frequency of Components Procedures inspections Check the clean air outlet for possible presence of dust or smoke traces. Check the level of dust in the storage bins or Dust collector drums.

  • Page 26: Troubleshooting

    AQC Dust Collecting Systems Troubleshooting Problem Probable cause Solution Dust or smoke at the Cartridges are not installed Check installation of cartridges and repair clean air outlet correctly. if necessary. Seal the whole assembly (Refer to the replacement cartridge section on page 2).
  • Page 27 Problem Probable cause Solution Insufficient suction of The sequencer card does Check if voltage output to the sequencer dust. not respond is sufficient. Check and replace the fuse if required. If voltage and fuse are working and card still does not respond, change the card.
  • Page 28 AQC Dust Collecting Systems Problem Probable cause Solution Cleaning cycle light is Defective sequencer card Check if sequencer card is defective by ON but nothing happens. following the manufacturer’s recommendations. The alarm light is ON Alarmvalue is too low Adjust to a higher value...

  • Page 29: Limited Warranty

    AQC makes no warranty as to goods manufactured or supplied by others. This warranty is subject to any limitations in AQC quotation and may not be modified except by a written instrument signed by the President or Vice President of Sales of AQC.

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