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Summary of Contents for AQC MAXITOP DB4-T315-AMB
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Owner’s manual for installation, use and maintenance 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.
Ceiling mounted air filtration units 1 INTRODUCTION This manual refers to MAXITOP ceiling cartridge dust collectors. The following pages will present each aspect of the unit, which is part of a complete air filtration system (fan, filter cartridges, controls etc.). WARNING! The use of MAXITOP dust collector will require proper installation and handling. Contact A.Q.C. Inc. if you have any doubt in regard to the use of your dust collector. Not following directives and procedures could cause injuries or property damages. INFORMATION ON THE MAXITOP DUST COLLECTOR Model: Serial number: Delivery date: Date of installation: Name of customer: Address: Accessories: Other:...
Ceiling mounted air filtration units 3 PRESENTATION The MAXITOP ceiling installed filtration unit is a dust collector with pulse cleaned filtration that cleans the whole surface of the cartridges. The dust collector offers high efficiency while requiring low energy consumption. The cartridges are cleaned one row at a time and in sequence. The MAXITOP dust collector is largely used where airborne pollutants are a nuisance. Main applications are welding, buffing and sanding, pharmaceutical and food plants, handling of volatile particles, etc. The MAXITOP unit can be equipped with or without fume arms, pulse with timer board or differential pressure controler, etc.
- Magnetic starter in a Nema-4 box with remote start/stop switch. Ceiling mounted air filtration units - Acoustic enclosure for fan motor and outlet with 1" Linacoustic and Armaflex media 1" NPT compressed - Total approximative weight: 900 lbs. air connection 7 COMPONENTS 1. Lift and installation lugs (x4) 2 .
Ceiling mounted air filtration units 8.2 Location 1. The location selected to install the unit must be able to support it’s weight and the optional equipment. Dust weight contained in drawers must also be accounted for. This is an MAXITOP is an industrial dust collector and is equipped with a medium pressure blower. Noise is generated at some 90dba and more when pulsing. Location should be determined bearing workers position in the vecenity. 2. Install the dust collector in a manner to have access to the control panel, valves, fan, dust drawers and cartridges access doors. 3. A proper lifting device such has a lift or crane may be required for the installation of the unit. 4. For safety purposes, a minimum two (2) man crew should be assigned to install the dust collector. 5 . A lifting device such as fork lift or scissor lift will be required to install the dust collector. 8.3 Installation Unit may be installed in following manners:...
Ceiling mounted air filtration units 9 OPTIONAL EQUIPMENT 1. MAXAIR fume arm (Refer to the MAXAIR installation section). 2 . ON/OFF remote push button control starter. (Refer to electrical section of this manual) 10 ELECTRICAL CONNECTION WARNING! The electrical connection must be executed by a qualified electrician and with respect to codes and regulations. For safety measures, shut off power supply to the collector prior to perform the installation. Lock off any power supply prior to servicing or maintenance. The dust collector control panel acts has the blower motor starter and regulates the cartridge cleaning system. The dust collector control panel is usually installed on the unit itself. 1. Using the electrical diagram supplied with the panel, connect the power supply from the main breaker (supplied by the customer) to the control panel. 2. Refer to the descriptive identification plate to select proper voltage and amperage. 3 . If the unit is supplied with a customized control panel, refer to the descriptive schematics to perform connection to the power supply. 4. Verify for proper motor rotation. 10.1 Electrical connection for DCT-500 sequencer (figure 1) The MAXITOP unit is equipped with 115 VAC solenoids which activates the cleaning valves. Solenoids are integrated in a NEMA 4/12 box behind the filter cabinet and above the air tanks.
Ceiling mounted air filtration units 10.2 DCT-500 board specifications (figure 3) Number of connectors: 4, 6, & 10 Power: 102-132 VAC 50-60 Hz. Consumption: 2.5 W. Power to solenoids: 3A max. per connector Fuses: Type 3 AG, 3 A @ 250 VAC. Temperature range: -40 to 140°F (-40 to 60°C) Shutter time: 50 msec to 500 msec. Shutter time accuracy: ±10 msec. Shutter time stability: ±1 msec. Lapse sequence: 1 second to 180 seconds. Lapse sequence precision: ±5% settings. Weight: 9 oz (255 g). Approval agency: CE (pending). 10.2.1 Typical connection for DCT-500 series electronic board figure 1 Figure 1 MOTOR STARTER FUSES BLOWER MOTOR 3 PHASE...
Ceiling mounted air filtration units 10.3 Electrical connection for DCT-1000 sequencer The MAXITOP dust collector is equipped with 115V solenoids which activate the cleaning valves. These solenoids are grouped in a NEMA 4 ½ panel installed behind the cabinet, above the air tanks. A differential control panel (DCP) may also be included on the electronic panel. Wiring for these solenoids is factory assembled. The DCT-1000 activates the solenoids in sequence in response to either cartridge pressure drop or a continuous bases. Figure 2 represents a typical connection with a starter to a DCT-1000 sequencer card. The electronic panel is activated in parallel with the fan startup. This operation will regulate the pulsation required as per the status of the filters. 10.4 DCT-1000 board specifications (figure 2) DCT-1000 controller: Number of connectors: 6, 10 & 22 Down time accuracy: ±1% of setting Weight: 1 lb, 3.0 oz (538.6 g). Extendable to 255 connections by using Approval agency: UL, cUL. extension card DCT-1122 & DCT-1110 Power: 85-270 VAC, 50-60 Hz. DCP pressure module: Pressure range: 10» w.c. ou 20» w.c. Consumption: 5 W. Power to solenoids: 3A max per Temperature range: -40 to 140°F (-40 to 60°C) High pressure: 10 psig (68.95 kPa). connection. High pressure (differential): 10 psig (68.95 kPa) Fuses: 3 A @ 250 VAC. Temperature range: -40 to 140°F (-40 to Accuracy: ±1.5% F.S. @ 73°F (22.8°C).
Ceiling mounted air filtration units 10.5 Compressed air connection WARNING! Compressed air must be free of oil and humidity. Contamination of compressed air may result in a poor cartridge filtration, decreased cleaning and reduced life time. Purge the compressed air line to remove any debris prior to connecting air line to the dust collector air tank. Shut off the compressed air system and purge all air lines prior to servicing or maintaining the collector. • Locate the pneumatic air tank behind the MAXITOP dust collector. • Connect air line to the tank using pipe seal. Check for possible leak(s). Note : the use of an air dryer is strongly recommended to avoid any problem related to humidity in the compressed air system. Install a shut off valve, pressure regulator and filter on the compressed air line. Those components are not supplied by A.Q.C. unless required by the customer. All components must meet a maximum 90 psig pressure. NEVER ALLOW MORE THAN 100 PSIG. Damages to components may occur. 10.6 Electrical connections check and initial start-up 1 .
Ceiling mounted air filtration units 12 SHUT DOWN To shut down the system, follow these steps. Stop the MAXITOP from the remote on-off switch. Shut off compressed air to unit and sequencer. Close inlet and outlet dampers in order not to have dirty air back into the collector and avoid risks of explosion. 13 SPARK PRODUCING ACTIVITIES If sparks are generated, they could cause a fire on the cartridges. Do not use the MAXITOP dust collector if sparks are generated or install a certified spark trap. Applications such as metal and wood should not be mixed on the same system. 14 MAINTENANCE WARNING! Refer to the Safety section prior to proceeding with any maintenance or inspection on the dust collector. A preventive maintenance program should dismiss most emergency shut downs and extend the expected life time of the system. The charts contained in this chapter explain the maintenance operations and procedures in case of problems with the system. The schedules and delays in between operations may be modified with conclusive experiments or with a specific use of the collector. If you have any questions, do not hesitate to call an A.Q.C. Inc. representative. 14.1 Cartridge replacement The life expectancy is limited by it’s resistance to the particles to be filtered and will require periodical replacements.
Ceiling mounted air filtration units Follow theses steps to remove the cartridges. WARNING! The use of safety equipment and adequate protection is needed for the changing of cartridges. The dirty cartridges may be heavier than expected. Use caution when removing the cartridges to avoid injury. Do not drop the cartridges. 1 . Remove the cartridge round access door by unscrewing the knob. Ensure that you do not damage the rubber gasket seal around the access door. Start this procedure from the top row of cartridges. 2 . Slowly twist the cartridge half a turn to remove the deposit of dust that could be on top of the cartridge. 3 . Gently slide out the cartridge along the yoke. Repeat steps 3 and 4 if it is a modle with two (2) cartridges deep. 4 . Disposal of dirty cartridges must be done according to environmental regulations. 5 . Check for any excessive dust accumulation in the hopper and clean if necessary. Follow these steps to install the new cartridges. Note: older type MAXITOP dust collectors are equipped with open/open and open/closed type cartridges. More recent type MAXITOP dust collectors are equipped with open/open and open/ open type cartridges. Ensure you order the proper type of cartridges for replacement. 1 . Ensure that you have the same cartridges as originally installed in the collector. 2 . Slide the cartridges onto the yokes starting the open/open type. Check for the integrity of the cartridge seal.
Ceiling mounted air filtration units 14.3 Compressed air system WARNING! Shut off the compressed air valve and bleed the line feeding the collector prior to performing maintenance on the unit. 1 . Periodically check the compressed air components such as the air dryer and regulator. Replace in line air filters feeding compressed air to the unit. 2. Remove any humidity that may be present in the compressed air lines using the recommendations of the manufacturer.
Ceiling mounted air filtration units 1 . "LAST OUTPUT" sets the amount of valves the system uses. 2. "TIME OFF" sets the delay in between each pulse. 3. "TIME ON" sets the valve opening time. 4. "HIGH LIMIT" sets the highest limit at which the sequencer will start pulsing (available only with the DCP pressure module). 5. "LOW LIMIT" sets the lowest limit at which the sequencer will stop pulsing (available only with the DCP pressure module). 6. "HIGH ALARM" and "LOW ALARM" are adjustments for an alarm signal to be activated if either of the two (2) settings is passed. 7 . "CYCLE DELAY" allows a waiting period between each cleaning cycle. 8. "DOWN TIME CYCLE" allows one or more cleaning cycles after the shutdown of the system. 9 . "AUTO ALARM RESET" allows the original automatic alarm settings. Refer to the manufacturer’s owner’s manual for any questions concerning the DCT-1000 sequencer. Note: Do not readjust the valves opening time "PULSE ON" or the delay between each cleaning until appropriate tests have been made. A too short or too long delay could reduce the life expectancy of the filters. Contact your A.Q.C. representative for questions. 15 MAINTENANCE AND INSPECTION The chart indicated below shows different inspections and the frequency at which they should be performed. Frequency of Components Procedures inspections...
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Ceiling mounted air filtration units Frequency of Components Procedures inspections Ensure arm stays in desired position for source capture. Arm joints, socket Open and close air damper to ensure proper Daily and damper operation. Move arm left and right. Ensure no grinding or squeeking is heard or felt. Check for possible leaks. Repair if necessary. Weekly Filters Ensure the cartridges are well sealed. Look for accumulation of dust or debris above and inside the filters. Clean if necessary. Perform a complete inspection of unit and components. Check cartridges status and filtration efficiency. Replace cartridges if necessary.
Ceiling mounted air filtration units 16 TROUBLESHOOTING Problem Probable cause Solution Check installation of cartridges and repair if necessary. Cartridges are not Seal the whole assembly (Refer to the replacement installed correctly. cartridge section on page 2). Cartridges are not Screw in tight in order to have the gaskets squeezed adjusted against the frame. Dust or smoke at the clean air outlet Cartridges are Replace defective cartridges (Refer to the replacement damaged cartridge section on page 2). Check the gaskets on the access doors, honeycomb Gaskets are damaged plate, and on the filters. Fan rotates the Check rotation of fan. wrong way Access doors are not Check all access doors and gaskets. Also check hopper properly sealed for leaks. (Refer to installation on page 9)
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Ceiling mounted air filtration units Problem Probable cause Solution Lock all electrical breakers hooked up to the dust col- lector and bleed the pneumatic lines. Check for debris, wear and tear or a break in the diaphragm valve by Valves do not removing the cover. Check for leaks at the solenoids work properly and on the pneumatic hoses. Replace and repair all da- mages. If the valves are frozen, check the air dryer or install a heating element around the valves. Wrong adjustment in Check for cleaning delay and duration. pulsation sequence (Refer to sequencer card adjustment on page 2) Filtration has High level of humidity Check the filtered material. Check for leaks. Take neces- minimal effect loads the filters sary measures to lower the humidity level. Replace the filters as per the recommendations of Wrong filter material A.Q.C. Inc. Air temperature is Check for air temperature. Improve the situation higher than anticipated to obtain appropriate temperature. Presence of static Ground collector and components. electricity in collector Solenoids are not Check wiring between sequencer card and solenoids.
Ceiling mounted air filtration units 17 WARRANTY Coverage: Aireau Quality Control Inc. or its designated affiliate (the "Seller") selling the product 17.1 (the "Product"), warrants that the Product sold by Seller will be free from defects in material and workmanship for a period of 12 months from the date of its installation or 14 months from the date of shipment by Seller, whichever date is earlier (the "Warranty Period"). Exceptions: This warranty does not apply to any Product or portion thereof that: (i) has been used 17.2 in a manner not in compliance with Seller’s or manufacturer’s documentation and instructions, (ii) has had changes, alterations or repairs made by a person other than a person authorized by Seller, (iii) has been improperly installed or used or has been installed or used contrary to applicable codes, standards, laws and regulations, (iv) has been subjected to improper storage, accident, neglect, misuse or abuse, (v) has been damaged during shipping, (vi) has been subject to damages resulting from normal wear and tear, (vii) has not been used with appropriate fire protection systems or explosion venting when required or (viii) has not been installed by a licensed contractor with experience in fire and explosion hazards and applicable codes, laws and regulations . For greater certainty, this warranty does not apply to filters sold as part of, or for use with, the Product. Unless specifically accepted otherwise in writing by Seller, Seller does not warrant that electrical equipment will comply with any laws or regulations of the customer’s jurisdiction. Claims: To benefit from this warranty, customer must notify Seller in writing of the Product defect, 17.3 which notice shall include a reasonable description of the defect, within 10 days from the date such defect is discovered or ought to have been discovered. Remedy: During the Warranty Period and subject to the terms herein, Seller will, at its option, 17.4 either: (i) repair or replace the Product or any defective parts or components (except for filters) with Product, parts or components (except filters) free from defect or (ii) credit or refund the purchase price of the Product. If Seller so requests, customer must return the defective Product to Seller’s place of business determined by Seller. Shipping, installation, removal and re-installation costs will be solely borne by the customer. The foregoing shall be customer’s sole and exclusive remedy for any defect in the product, its parts and components and for any breach of the warranty herein.
Ceiling mounted air filtration units 18 LIMITATION OF LIABILITY 18.1 Limitation of Liability: Notwithstanding anything to the contrary, in no event will the seller parties’ liability arising out of, or related to, the product or its parts and components, whether pursuant to contractual or extracontractual liability, tort or under any other theory of liability, exceed the price paid to seller for the product giving rise to such liability. 18.2 Exclusion of Consequential and Similar Damages: Notwithstanding anything to the contrary, in no event will the seller part ies be liable for any indirect, punitive, special, exemplary, incidental, consequential or other similar damages of any type or kind (including loss of revenue, profits, use or other economic advantage, damages due to product failure, work stoppage or delays in delivery) arising out of, or in any way connected to, the product or its use, breach of contract, tort (including negligence), strict liability, product liability, or otherwise, regardless of cause, even if the seller parties had previously been advised of the possibility of such damages or could have reasonably foreseen them. Fire and Explosion and Acceptance of Risk: Customer acknowledges that improper installation 18.3 or use of the Product may result in fire or explosion. To minimize such risks, proper installation, operation, and maintenance of the Product in accordance with all applicable codes, standards, laws and regulations is critical. Prior to installation and use, customer shall ensure that the Product meets the applicable codes, laws and regulations, including those related to the addition of appropriate...
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