AUTOCLEAN® Unit Specifications: For Commercial Kitchens And Restaurants
AUTOCLEAN® 2000, 4000, 8000
One Impressive Package!
Our AUTOCLEAN® commercial kitchen exhaust units can be delivered as full factory-assembled turn-key units. They are custom configurable to include any or all of the following components; manual and/or auto-wash precipitator(s), odor control module(s), blowers, motors, VFDs, controls, skids and enclosures. The precipitator(s) and odor control module(s) are stackable and available in single or multi-pass configurations to achieve the desired efficiency and/or maintenance interval of almost any project. The units are:
- Single point wired, the only field wiring required is the three-phase supply to our NEMA enclosure along with field supplied accessories
- Fully factory assembled for ease of install and quality assurance
- Provided with 6″ steel skids and available with weatherproof outdoor enclosures for durability and structural integrity
- Provided with lifting lugs for ease and safety in rigging
- Painted AFTER the units are skidded and welded to ensure long-lasting corrosion resistance and durability
- Factory tested as a full system to ensure performance, fitness and quality
- AUTOCLEAN® Electrostatic Precipitator is simple to use
Specific details on each AUTOCLEAN® model are outlined below. To view options and performance features of all AUTOCLEAN® systems, click here.
AUTOCLEAN® Automated Self-Cleaning Electrostatic Precipitators
Head to specifications for a specific model:
AUTOCLEAN® 2000
| Model |
AUTOCLEAN® 2000 |
| Primary Filter |
Washable electrostatic |
| Airflow (Cfm) |
1,500 CFM |
2,000 CFM |
2,500 CFM |
3,000 CFM |
Standard Power Supply
single pass efficiency |
99% |
95% |
Not
recommended |
Not
recommended |
HE Power Supply
single pass efficiency |
99% |
99% |
95% |
Not
recommended |
Efficiency*
Double-Pass Precipitator
Standard Power Supply |
99% |
99% |
97% |
93% |
| Pressure Drop (in.w.g.) |
0.12 |
0.22 |
0.33 |
0.49 |
| Dimension |
32.50″ W x 35.00″ H x 21.00″ L |
| Duct Opening |
21.67″ W x 24.31″ H |
| Unit Weight |
255 lbs. installed, 300 lbs. shipping |
| Cabinet |
14-16 gauge welded steel cabinet with a powder coat finish |
Power Supply |
100% Solid state
Input: 120V, 50/60 Hz, 1 Phase or 240V, 50/60 Hz, 1 Phase |
| HE = High Efficiency |
Output: Ionizer 9,400 VDC / Collector 4,700 VDC |
| Optional HE Power Supply |
Output: Ionizer 12,000 VDC / Collector 4,500 VDC |
| Ambient Temperature Rating |
140° F maximum (outside of exhaust airflow) |
| Electronic Cell Specification |
Cell Dimensions: 24.25″ L x 24.25″ W x 10.75″ D
Collection Area: 240 square feet
Voltage Gradient: 20,000 volts per inch
Ionizer Wires: 11 wires per cell, 0.010 inch diameter, tungsten |
| Number of Electronic Cells |
1 Cell |
| Number of Pre/Post Filters |
1 Preflter/1 Postflter 24″ L x 24″ W x 1″ D heavy-duty aluminum mesh |
| Cell Cleaning Method |
Programmable Self-Washing System |
| Placement Preparation |
Hot Water Supply Line: copper pipe 3/4″
Waste Drain/Drip Pan
Minimum clearance for cell removal: 28″ |
| After Filter (Optional) for Odor Control |
Activated Carbon Module, which are refillable, black powder coated steel panels: 8 panels configured in v-shape. Activated carbon weight: 18 pounds per panel. Pressure drop: approximately 0.5″ in.w.g. at 50 fpm. |
| Unit Standard |
ETL listed to:
UL 867 Standard for Electrostatic Air Cleaners
UL 710 Standard for Exhaust Hoods for Commercial
Cooking Equipment |
*Efficiency Ratings based on testing to ASHRAE 52.2 standard.
AUTOCLEAN® 4000 air cleaning unit
| Model |
AUTOCLEAN® 4000 |
| Primary Filter |
Washable electrostatic |
| Airflow (Cfm) |
3,000 CFM |
4,000 CFM |
5,000 CFM |
6,000 CFM |
Standard Power Supply
single pass efficiency |
99% |
95% |
Not
recommended |
Not
recommended |
HE Power Supply
single pass efficiency |
99% |
99% |
95% |
Not
recommended |
Efficiency*
Double-Pass Precipitator
Standard Power Supply |
99% |
99% |
97% |
93% |
| Pressure Drop (in.w.g.) |
0.12 |
0.22 |
0.33 |
0.49 |
| Dimension |
56.25″ W x 35.00″ H x 21.00″ L |
| Duct Opening |
45.44″ W x 24.31″ H |
| Unit Weight |
355 lbs. installed, 400 lbs. shipping |
| Cabinet |
14-16 gauge welded steel cabinet with a powder coat finish |
Power Supply |
100% Solid state
Input: 120V, 50/60 Hz, 1 Phase or 240V, 50/60 Hz, 1 Phase |
| HE = High Efficiency |
Output: Ionizer 9,400 VDC / Collector 4,700 VDC |
| Optional HE Power Supply |
Output: Ionizer 12,000 VDC / Collector 4,500 VDC |
| Ambient Temperature Rating |
140° F maximum (outside of exhaust airflow) |
| Electronic Cell Specification |
Cell Dimensions: 24.25″ L x 24.25″ W x 10.75″ D
Collection Area: 240 square feet
Voltage Gradient: 20,000 volts per inch
Ionizer Wires: 11 wires per cell, 0.010 inch diameter, tungsten |
| Number of Electronic Cells |
2 Cells |
| Number of Pre/Post Filters |
2 Preflter/2 Postflter 24″ L x 24″ W x 1″ D heavy-duty aluminum mesh |
| Cell Cleaning Method |
Programmable Self-Washing System |
| Placement Preparation |
Hot Water Supply Line: copper pipe 3/4″
Waste Drain/Drip Pan
Minimum clearance for cell removal: 28″ |
| After Filter (Optional) for Odor Control |
Activated Carbon Module, which are refillable, black powder coated steel panels: 16 panels configured in v-shape. Activated carbon weight: 18 pounds per panel. Pressure drop: approximately 0.5″ in.w.g. at 50 fpm. |
| Unit Standard |
ETL listed to:
UL 867 Standard for Electrostatic Air Cleaners
UL 710 Standard for Exhaust Hoods for Commercial
Cooking Equipment |
*Efficiency Ratings based on testing to ASHRAE 52.2 standard.
AUTOCLEAN® 8000 air cleaning unit
| Model |
AUTOCLEAN® 8000 |
| Primary Filter |
Washable electrostatic |
| Airflow (Cfm) |
6,000 CFM |
8,000 CFM |
10,000 CFM |
12,000 CFM |
Standard Power Supply
single pass efficiency |
99% |
95% |
Not
recommended |
Not
recommended |
HE Power Supply
single pass efficiency |
99% |
99% |
95% |
Not
recommended |
Efficiency*
Double-Pass Precipitator
Standard Power Supply |
99% |
99% |
97% |
93% |
| Pressure Drop (in.w.g.) |
0.12 |
0.22 |
0.33 |
0.49 |
| Dimension |
56.25″ W x 64.20″ H x 21.00″ L |
| Duct Opening |
45.44″ W x 53.50″ H |
| Unit Weight |
570 lbs. installed, 640 lbs. shipping |
| Cabinet |
14-16 gauge welded steel cabinet with a powder coat finish |
Power Supply |
100% Solid state
Input: 120V, 50/60 Hz, 1 Phase or 240V, 50/60 Hz, 1 Phase |
| HE = High Efficiency |
Output: Ionizer 9,400 VDC / Collector 4,700 VDC |
| Optional HE Power Supply |
Output: Ionizer 12,000 VDC / Collector 4,500 VDC |
| Ambient Temperature Rating |
140° F maximum (outside of exhaust airflow) |
| Electronic Cell Specification |
Cell Dimensions: 24.25″ L x 24.25″ W x 10.75″ D
Collection Area: 240 square feet
Voltage Gradient: 20,000 volts per inch
Ionizer Wires: 11 wires per cell, 0.010 inch diameter, tungsten |
| Number of Electronic Cells |
4 Cells |
| Number of Pre/Post Filters |
4 Preflter/4 Postflter 24″ L x 24″ W x 1″ D heavy-duty aluminum mesh |
| Cell Cleaning Method |
Programmable Self-Washing System |
| Placement Preparation |
Hot Water Supply Line: copper pipe 1″
Waste Drain/Drip Pan
Minimum clearance for cell removal: 28″ |
| After Filter (Optional) for Odor Control |
Activated Carbon Module, which are refillable, black powder coated steel panels: 32 panels configured in v-shape. Activated carbon weight: 18 pounds per panel. Pressure drop: approximately 0.5″ in.w.g. at 50 fpm. |
| Unit Standard |
ETL listed to:
UL 867 Standard for Electrostatic Air Cleaners
UL 710 Standard for Exhaust Hoods for Commercial
Cooking Equipment |
*Efficiency Ratings based on testing to ASHRAE 52.2 standard.
AUTOCLEAN® Submittal
1.0 Electrostatic Air Cleaner
1.1 Equipment Description
1.1.1 The Air Cleaner shall be used to cleanse the contaminated air from commercial kitchen exhaust hoods containing grease, oil, smoke, fumes, odor, and dust particles.
1.1.2 The unit shall be modular in construction and shall have individual sections of prefilter, ionization collector section with automatic washing systems, and postfilter.
1.1.3 Optional additional passes of ionization collector sections with or without automatic washing systems; single and multiple passes of odor neutralizing section(s); utility or inline blowers; controls packages are all available.
1.1.4 All sections can be enclosed in an optional weather-resistant outdoor rated housing.
1.2 Equipment Specifications
1.2.1 The air cleaning system shall be an Air Quality Engineering, Inc. AUTOCLEAN® Model 2000, 4000, 8000 modular two stage Penny-type electrostatic precipitator.
1.2.2 Manufacturer shall supply the unit with expertise in design and manufacturing of products specified in this section with a minimum of 45 years of documented experience.
1.2.3 Unit shall comply with UL 867 and UL 710 standard or equivalent standards. The units shall be in complete accordance with ASHRAE standard 52.2 for air cleaners test and rating of efficiency, resistance and dust holding capacity.
1.2.3.1 Ozone generation concentration shall not exceed 0.05 PPM.
1.2.4 Air cleaner shall be installed under the supervision of an Air Quality Engineering, Inc. employee or Air Quality Engineering, Inc. authorized and/or approved service technician.
1.3 Principle of Operation
1.3.1 The heavy duty pre-filter(s) and post-filter(s) (aluminum mesh) shall remove large particles, evenly distribute air across the cells, and contain the water and debris from the wash and rinse cycles.
1.3.2 The electronic filter shall remove the smaller grease, oil, smoke and dust particles.
1.3.3 The principle of operation shall be based on electrostatic precipitation.
1.3.4 The particle shall pass by an ionizing wire, which will induce a positive charge on the particle. The particle then shall pass between closely spaced aluminum plates (fins), which are held at a positive charge and a ground.
1.3.5 As the charged particle travels between the two aluminum plates it shall be forced away from the plate held at the identical polarity and drawn towards the grounded plate. Once attached the particle shall remain on the plate until cleaned off during washing.
1.4 Unit Housing
1.4.1 Housing shall be 16 gauge (1.5mm) and 14 gauge CRS with epoxy coat finish construction. All critical seams shall be welded.
1.4.2 Each section shall include single door access, located on one side of the unit. The access door shall be mounted on metal hinges and secured with gasket sealed knob style latches allowing for component access and removal. All doors shall be gasketed to prevent air and water leakage.
1.4.3 High voltage contacts on the housing shall be made of stainless steel.
1.4.4 High voltage supply is to be located in the door.
1.4.5 All drainage piping shall be metal.
1.4.6 The contractor should install a drain trap to serve as a vacuum break.
1.4.7 Between each section should be sealed with a permanent seal.
1.4.8 Each unit shall have track guides for proper alignment of cell, making it possible to change the direction of airflow by reversing the orientation of electronic collector cell(s).
1.5 Finish
1.5.1 The external casing finish shall be a durable industrial grade semi gloss baked on epoxy ester, not less than 3-mil minimum thickness.
1.6 Prefilter and Postfilter
1.6.1 Access to the heavy duty pre-filter and post-filter shall be from the side through the same hinged door used to gain access to the electronic cells.
1.6.2 Separator section shall be designed for an equal airflow across the entire air-cleaning unit.
1.6.3 All liquid and solid particulate removable by the separator shall be collected and drained from the collector system during operation and during the wash cycle.
1.6.4 Frame: Washable aluminum.
1.6.5 Media: Washable aluminum 1.00 inch thick mesh layered to optimally remove larger particles of grease and dust before the main filter. Face of each prefilter shall be 4 square feet (1.47 square meters).
1.7 Electronic Cells: Electronic cells described in this section refer to a full size cell. Half size cells also can be specified.
1.7.1 Ionizing-collecting cells shall be of one-piece construction 10.75 inches (273 mm) deep in direction of airflow. Face area of each cell shall be 4.08 square feet (0.38 square meters) and the effective collecting area 240 square feet (22.29 square meters).
1.7.2 Frame: All support framing, end plates and ionizer ground electrodes shall be 0.080-inch (2.03-mm) thick aluminum.
1.7.3 Handle shall be located on the side of the cell for removal of the cell from the air cleaner. The handle shall be grounded to the frame of the cell. Engraving shall be on the handle indicating “this side out”.
1.7.4 Contacts shall be made of stainless steel on the front of the cell. They shall make contact with the ionizing, collector and ground sections of the cell.
1.7.5 Ionizer Section
1.7.5.1 Ionizing wires shall be minimum of 11 per electronic cell, with a length of 20.32 inches (533.4 mm) each.
1.7.5.2 Ionizing wires shall be constructed of 0.010 inches diameter (0.25 mm) tungsten for prevention of corroding or breaking. Wires shall be fixed at one end and spring mounted on the other for ease of maintenance.
1.7.5.3 There shall be 10 grounding plates between the wires to stabilize the ionization field for better performance. Grounding plates shall be no greater then 1.964 inches (49.89 mm) apart, and 0.063 inches (1.6 mm) thick.
1.7.5.4 Insulators for the ionizer shall be made of ceramic measuring 1.0 inches (25.4 mm) thick by 2.25 inches (57.15 mm) square with a center hole measuring 0.275 inches (6.95 mm) in diameter. The insulators should have a protective coating of glazing to retard tracking. Insulators shall not number less than 4 in the ionizer section.
1.7.6 Collector Section
1.7.6.1 Grounding plates shall be a minimum of 0.025 inches (0.635 mm) thick aluminum. The plates shall be 7.64 inches (194 mm) deep in the direction of airflow. Grounding plates shall be a minimum of 54 quantity per cell. Spacing between grounding plates shall be at 0.3678 inches (9.34 mm). Spacing between the grounding plates and the charged plates shall be at 0.1839 inches (4.67 mm).
1.7.6.2 Charged plates shall be a minimum of 0.025 inches (0.635 mm) thick aluminum. The plates shall be 7.14 inches (181.36 mm) deep in the direction of airflow. Charged plates shall be a minimum of 55 quantity per cell. Spacing between charged plates shall be at 0.3678 inches (9.34 mm).
1.7.6.3 Spacers shall be made of aluminum to hold the ground and charged plates apart at given lengths. Rods shall be 0.25 inches (6.35 mm) in diameter. The spacers shall run the length of the cell to the frame of the cell. There shall be at least 11 rods total per cell.
1.7.6.4 Insulators for the collector shall be made of ceramic measuring 0.8 inches (20.32 mm) thick by 2.25 inches (57.15 mm) square with a center hole measuring 0.275 inches (6.99 mm) in diameter. The insulators should have a protective coating of glazing to retard tracking. Insulators shall not number less than 10. Insulator shall be out of the air stream.
1.7.7 Markings shall be on the cell to inform clean weight of the cell. Engraving shall be on the cell indicating direction of the airflow.
1.8 Power Supply
1.8.1 Power supply shall be of a 100% solid state type.
1.8.2 Power supply shall be mounted within the air cleaner, out of the air stream and wash components.
1.8.3 Voltages
1.8.3.1 Input voltage shall be 108-132 VAC, 60 HZ, 1 phase or 216-264 VAC, 50/60 HZ, 1 phase.
1.8.3.2 Output High frequency with built in short circuit and arc protection, providing a dual high voltage output of (+)9.5 KVDC for the ionizer and (+)4.7 KVDC for the collector.
1.8.4 Optional HE power supply available to boost ionizer voltage to (+)12 KVDC to increase efficiency.
1.8.5 The power supply shall operate over a temperature range of -20 to 140 degrees F (-38 to 85 degrees C).
1.8.6 Be self-protecting.
1.8.7 Accommodate a neon light indicating the performance status.
1.9 Interlock Switches
1.9.1 Location – Integrally grounded, door operated electrical safety interlock switch shall be provided to prevent access to the high voltage collector cells without first interrupting the primary input power.
1.10 Wash System
1.10.1 Detergent Pump
1.10.1.1 Detergent used shall be Air Quality Engineering, Inc.’s Electronic Cell Cleaner Concentrate or approved equal.
1.10.1.2 Pump shall move 0.042 GPM (9.54 liters per hour) of detergent, and have a vertical rise rating of 7 feet (2.13 meters).
1.10.1.3 Air Quality Engineering, Inc.’s Electronic Cell Cleaner Concentrate shall not be diluted before being introduced to the AUTOCLEAN® detergent pump.
1.10.2 Water Valve
1.10.2.1 Water wash temperature shall be 125 to 160 degrees F (51 to 71 degrees C).
1.10.2.2 Shall use between 28-35 gallons of water per wash cycle per cell user adjustable.
1.10.3 Manifold Motor and Gears
1.10.3.1 Manifold motor shall be located within the unit out of the air stream.
1.10.3.2 Manifold motor for spray assembly shall have a minimum of 4 RPM.
1.10.3.3 Gears shall be constructed of heat treated steel.
1.10.3.4 Manifold motor housing shall be made of cast aluminum.
1.10.3.5 Manifold motor shall have a life expectancy of 20 years operated at normal conditions.
1.10.4 Detergent Valve
1.10.4.1 Detergent usage shall be approximately 5-7 ounces per cell per wash, user adjustable.
1.10.5 Piping
1.10.5.1 All piping shall be NPT.
1.10.5.2 Nozzles
1.10.5.2.1 Spray bar assembly in its entirety shall achieve 100% coverage of the collector cell. Assembly shall be located for overhead component cleaning.
1.10.5.2.2 Water wash spray shall articulate over a 73-degree range of motion.
1.10.5.2.3 Spray bar shall traverse along the cell with a minimum of 1.5 inches (3.81 cm) of travel.
1.10.5.2.4 There shall be a minimum of 7 nozzles per cell spaced no more than 4 inches (10.16 cm) and no less than 3 inches (7.62 cm) apart.
1.10.5.2.5 Pressure of spray on the cells shall be no greater than 75 psi (517 KPa).
1.10.5.2.6 Nozzles shall not use a conical or cone type spray pattern design.
1.10.5.3 Piping installed to solenoid valve shall be brass and solderless for easier service and replacement.
1.10.6 Solenoid valve shall be fail-closed to prevent excessive leaking in the event of failure.
1.11 Programmable Logic Controller (PLC)
1.11.1 Shall be housed inside of the AUTOCLEAN®, out of the air stream.
1.11.2 Shall have a touch screen display for adjusting the wash sequence.
1.11.3 Shall have dry contacts to control fan, high voltage power supply, detergent pump, and water valve with manifold motor.
1.11.4 PLC Inputs
1.11.4.1 Heat sensor input that can be wired to a heat sensor install in the kitchen that can trigger the system to turn on the fan and EAC.
1.11.4.2 BMS wash input to control the wash from a Building Management System.
1.11.4.3 Detergent tank sensor to show low detergent on the PLC and HMI screen.
1.11.4.4 ANSUL control that allows the ANSUL system to turn the fan on and EAC off during any phase the AUTOCLEAN® is in.
1.11.5 Operator shall have the ability to field adjust the length of time individually for the fan shut down cycle, detergent pump cycle, rinse cycle, fan dry cycle, and cumulatively for the overall wash cycle time.
1.11.6 Operator shall have the ability to program when the wash sequence will execute for each day of the week.
1.11.7 Shall automatically open and close solenoid valves, activate relay to shut down fan, and reduce flow during detergent spray and soak.
1.11.8 Manual wash initiation can be manually started through the touch screen.
1.11.9 When initiated, will sequence through a 5-step process including fan shut down, detergent soak, rinse, fan dry with precipitator off and system return to operation.
1.11.10 Two independent advance menu options available to have the fan “on” or “off” during drying and system can go into sleep mode after the wash cycle.
1.11.11 Optional HMI screen available to allow remote installation and control of unit PLC. HMI is connected by Ethernet to a maximum of 8 units.
1.12 1 Year Limited Parts Warranty is Included.
2.0 Odor Neutralizer
2.1 Equipment Description
2.1.1 The Odor Neutralizer shall be used to cleanse the contaminated air from kitchen exhaust hoods containing gases and vapors (odors).
2.1.2 The unit shall be modular in construction and shall go inline with an Air Quality Engineering, Inc. AUTOCLEAN® 2000, 4000 or 8000 Model Air Cleaner.
2.2 Equipment Specifications
2.2.1 The Odor Neutralizer shall be an Air Quality Engineering, Inc. Carbon Module.
2.2.2 Manufacturer shall supply the unit with expertise in design and manufacturing of products specified in this section.
2.2.3 Odor Neutralizer shall be installed under the supervision of an Air Quality Engineering, Inc. employee or Air Quality Engineering, Inc. authorized and/or approved service technician.
2.3 Principle of Operation
2.3.1 The principle of operation shall be based on adsorption in the airstream. Adsorption is the process where a gas is taken to a porous substance and held there.
2.3.2 Activated Carbon is used only to adsorb materials that are in the gaseous or vaporized state. Materials that cannot be removed by particulate filters.
2.3.3 Gases and vapors travel through the carbon filter and are adsorbed into the micropore structure of the carbon.
2.4 Carbon Media
2.4.1 Carbon
2.4.1.1 Base material shall be of Virgin Coconut Shell allowing for high affinity.
2.4.1.2 Particle size shall be 4 x 8 allowing for a range of adsorbent retention.
2.4.1.3 Carbon tetrachloride activity shall initially be at 60 minimum.
2.4.1.4 Hardness number shall be 97 minimum.
2.4.1.5 Density shall be an average of 31 pounds per cubic foot (497 kg per cubic meter).
2.4.1.6 Total ash content shall not exceed 2%.
2.4.1.7 Iodine number shall be greater than 1050.
2.4.2 Panels
2.4.2.1 Panels shall be of a V-bank configuration.
2.4.2.2 Panels shall be 26 gauge (.45 mm) galvanized steel.
2.4.2.3 Panels shall hold a minimum of 18 pounds (8.18 kg) carbon each. Panels shall measure approx. 23.625 inches (60 cm) by approx. 23.625 inches (60 cm). Panels shall be approx. 2-inch (5.08-cm) thick minimum.
2.4.2.4 Airflow shall not exceed a face velocity of 65 ft per minute (19.8 meters per minute).
2.4.2.5 Panels shall be bulk refillable.
2.5 Safety Filter(s)
2.5.1 MERV 14 (ASHRAE Standard 52.2-1999)
2.5.2 Nominal 24” x 24” x 4”
2.5.3 Gradient Density Microfiberglass Media
2.5.4 Frame: 24 gauge Aluminized Steel
2.5.5 Media Separators: Corrugated Aluminum with hemmed safety edge
2.5.6 Faceguard on Upstream and Downstream Side of Filter
Pricing unless specifically noted, does not include site preparation, rigging, installation, external electrical and/or plumbing connections, sales taxes, freight or fire suppression. All local code compliance, permits, licenses and inspections are the responsibility of the purchaser.
Factory Inspection
Air Quality Engineering, Inc.’s Minnesota based factory trained technicians are available for equipment inspection and training. This optional service is available for an additional charge per day, plus travel and expenses (prepaid). In order to properly prepare for inspection and to allow for coordination and scheduling, a thirty day advance notice is required.
If you are in a region where Air Quality Engineering, Inc. factory trained technicians are locally available, their individual rates and schedule will vary. For more information or a price quote on factory inspection and start-up service contact Air Quality Engineering, Inc. at 1-800-328-0787.
Fire Suppression
Because this application requires a fire suppression system be included in the duct system, the Purchaser at installation shall include one. This fire suppression system shall be to local building and fire codes and approved by the insurance underwriter. The fire suppression system shall be installed and operational before the air cleaner is put in service.
