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Commercial Kitchen Air Filtration Systems: Smokemaster® F72 Electronic Air Cleaners

Applications: Commercial Kitchen Exhaust | Pollution Control Units
  • SMOKEMASTER F72A commercial kitchen exhaust unit
  • SMOKEMASTER F72B commercial kitchen exhaust unit
  • SMOKEMASTER F72C commercial kitchen exhaust unit
  • control panel touchscreen display
  • Odor Control Module for SMOKEMASTER® and AUTOCLEAN® 2000 Shown with Door Open.
  • Typical Utility Set Blower

The F72 in-line electronic air cleaner removes airborne particles such as cooking smoke, grease, tobacco smoke, dust, soot, pollen, and bacteria from incoming, recirculating, or exhaust air. The F72 is mounted inline in the return air duct of a forced air system, the exhaust of a ventilation system, or within a commercial kitchen exhaust grease duct. One or two electronic cells within the filtration system remove airborne contaminants with up to 99 percent efficiency. Rooftop or interior mounted, the F72 is modular and can be configured for an infinite capacity. Outdoor insulated enclosures, odor control modules and blower/controls packages are available. Replacement parts for our commercial kitchen air cleaning units are also available.

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Smokemaster® F72 Kitchen Exhaust Packages

Smokemaster® F72A, F72B, F72C

One Impressive Package!

Our Smokemaster® 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

Specific details on each Smokemaster® model are outlined below. To view options and performance features of all Smokemaster® systems, click here.

Smokemaster® F72 Manually-Cleaned Electrostatic Precipitators

Head to specifications for a specific model:

SMOKEMASTER F72A air cleaning unit

Smokemaster® F72A

Model Smokemaster® F72A
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 235 lbs. installed, 280 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
Weight: 60 lbs. Per cell
Number of Electronic Cells 1 Cell
Cell Cleaning Method Manual Wash
Placement Preparation Minimum clearance for cell removal: 28″
Pre/Post Filters 1″ thick
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.
SMOKEMASTER F72A spec diagram


SMOKEMASTER F72B air cleaning unit

Smokemaster® F72B

Model Smokemaster® F72B
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 315 lbs. installed, 350 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
Weight: 60 lbs. per cell
Number of Electronic Cells 2 Cells
Cell Cleaning Method Manual Wash
Placement Preparation Minimum clearance for cell removal: 28″
Pre/Post Filters 1″ thick
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.
SMOKEMASTER F72B spec diagram


SMOKEMASTER F72C air cleaning unit

Smokemaster® F72C

Model Smokemaster® F72C
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 545 lbs. installed, 615 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
Weight: 60 lbs. per cell
Number of Electronic Cells 4 Cells
Cell Cleaning Method Manual Wash
Placement Preparation Minimum clearance for cell removal: 28″
Pre/Post Filters 1″ thick
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.
SMOKEMASTER F72C spec diagram

Smokemaster® F72 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, 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. Model Smokemaster® F72A, Smokemaster® F72B, and/or Smokemaster® F72C 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, and evenly distribute air across the cells.

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.

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 a 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 than 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 OPTIONAL Programmable Logic Controller (PLC)

1.10.1 Shall be housed inside of the Smokemaster® F72, out of the air stream.

1.10.2 Shall have a touch screen display.

1.10.3 Shall have dry contacts to control fan and high voltage power supply

1.10.4 PLC Inputs

1.10.4.1 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.

1.10.4.2 ANSUL control that allows the ANSUL system to turn the fan on and EAC off during any phase the Smokemaster® F72 is in.

1.10.5 Optional HMI screen available to allow remote installation and control of unit PLC. HMI is connected by Ethernet to a maximum of 8 units.

1.11 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. Smokemaster® F72A, Smokemaster® F72B, and/or Smokemaster® F72C 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.


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