Dynamic EDGE Panels are an assembly of specialty Dynamic activated carbon media housed in a plastic frame for removing gas-phase contaminants from outdoor, recirculated, and/or exhaust air. Dynamic EDGE panels are designed to fit in a side-access filter track or a Type 8 filter frame. The capacities for each contaminant, initial efficiencies, and the corresponding module change out schedule will vary depending on the contaminant(s) of concern, contaminant concentration level(s), airflow rates and competitive adsorption between contaminants. The EDGE design incorporates the innovative feature of tangential flow resulting in low pressure drops, full utilization of activated carbon and impregnates, and high initial efficiencies.

Proper care must be given to the space required for the EDGE panel. The panels can be installed in either a vertical or angled orientation. An angled configuration is recommended for optimal performance.  In the case of a square (i.e. 23.5”x23.5”) panel, ensure during installation that the media is oriented vertically in the filter track. Panels are marked with a color indicator on one corner, or, in some cases, on two diagonally opposite corners on the downstream side of the EDGE panel. When installing, ensure that the color indicator corner is on the upper left (if looking into the airstream). If the panel has two marked corners, ensure that one is on the upper left and the other is on the lower right. Panels also feature a label showing directionality of airflow; take note during installation.  Refer to the below for available EDGE dimensions, all panels are available in 1.75”, 1.92” and 3.27”, for panel sizes not shown, contact your regional sales manager. Filter size dimensions are shown as W x H (width by height); use this format when ordering.

Once all panels are installed in row, foam seal should be used to fill any gaps between the last panel and access door. Ensure that there is a slight compression of the gasketing. A poor seal can lead to gas contaminants bypassing the carbon panel causing increased breakthrough.

In addition to providing adequate support and access, proper particulate filtration must be provided upstream of the EDGE panels. A minimum of a MERV 8 pleated filter is recommended upstream of the panels to prevent dirt and dust from occluding the openings in the media. Buildup of dirt and debris can block or blind the airstream’s access to the carbon media and result in decreased capacities and efficiencies. Enhanced prefiltration, such as Dynamic’s 2” Air Cleaner or V8 will not only remove particulates but will also remove 40-60% of VOCs in a single pass protecting and increasing the expected life of the EDGE carbon.

To keep the panels and overall system performing optimally, the system must be properly maintained, to achieve optimal EDGE panel performance. EDGE media does not physically deteriorate over time; however, it can become occluded with dust and debris if the particulate prefilters are not properly maintained. Periodically perform visual inspection of the panels. If any of the EDGE media is blocked, contaminated air will not flow uniformly through the system and will unevenly consume the media capacity. Physically obstructed media will also result in higher system pressure drop by restricting the airflow through the media.

The MERV 8 particulate filters upstream of the EDGE panels should be checked quarterly for relatively clean environments and monthly for dirty or dusty environments. These filters should follow a replacement schedule based on the final pressure drop provided by the filter manufacturer. For most two-inch particulate filters, this is 1.0 to1.5-inch w.g.

As noted earlier, the EDGE panels may be installed either vertically or on an angle, there is no front or back to the module. Square models should be installed into the filter rack so that the EDGE media is vertically oriented unless otherwise specified. It is recommended that at least one panel per unit is labeled with the start-up date and then with each corresponding replacement date where applicable.

The EDGE panel change out schedule will vary depending on the application. The contaminant(s) of concern, contaminant concentration level(s), airflow rates and competition between contaminants will determine the replacement schedule. As a rule of thumb, for typical low concentration applications EDGE panels should be replaced on an annual basis. For non-standard applications or if the replacement schedule has not been determined, Dynamic can offer engineering support to better understand the application environment and assist in determining a change out schedule. Dynamic offers, free of charge, a lifetime analysis service to help determine this schedule, if interested reach out to your sales manager for more information.

In addition to replacing the panels per the prescribe replacement schedule, the panels should be replaced immediately if there is a known contaminant release near the inlet of the air handling unit. Large increases in concentration or an introduction of new contaminants will negatively impact the media life. Events can be even more critical when they occur at or near the end of the normal media life, as there may be little remaining capacity for contaminant removal. Replace the panels as soon as possible following a known release of contaminants in the area.

Dynamic Air Quality Solutions can provide engineering support to customers to better understand contaminants of concern and aid in system design. Specific services include:

• Pre-monitoring of unprotected spaces
• Assistance in gas phase system design
• Remaining media life analysis
• Onsite monitoring

For further information, or to arrange technical support, please contact your regional salesperson.

PART 1 - GENERAL

1. SECTION INCLUDES

1.2 RELATED DOCUMENTS

1. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.3 REFERENCES

1. ASHRAE. 2016. ANSI/ASHRAE Standard 145.2, Laboratory Test Method for Assessing the Performance of Gas-Phase Air-Cleaning Systems: Air-Cleaning Devices. Peachtree Corners, GA: ASHRAE.

1.4 SUBMITTALS AND DOCUMENTATION

1. Product Data: Manufacturer’s literature for DYNAMIC EDGE GAS PHASE REMOVAL
   1. Technical data sheets.
   2. Dimensions, weights, and product ID numbers.
2. Performance Data: Manufacturer’s system specific data
   1. System efficiency per PART 3 – EXECUTION.
   2. System airflow and pressure drop per PART 3 – EXECUTION.
3. Drawings:
   1. Drawings of assemblies and rack arrays.
   2. Unit dimensions.
4. Operation and Maintenance Data:
   1. Installation, operation, and maintenance manuals.
   2. Instructions for optional lifetime analysis.
   3. Instructions for panel replacement and disposal.

1.5 QUALITY ASSURANCE

1. Design and construction to be in accordance with all state, local, federal, or other regulations having jurisdiction.

1.6 DESIGN CONDITIONS

1. The system components shall be capable of meeting target filtration efficiency, capacity, and pressure drop defined in PART 3 – EXECUTION
2. The system design shall be based on air handling unit and/or application specific information.

PART 2 - PRODUCTS

2.1 MANUFACTURER

1. Subject to compliance with requirements, provide products by one of the following manufacturers:
   1. Dynamic Air Quality Solutions

2.2 MATERIALS

1. EDGE Framing, Mesh, and Accessories:
   1. Polystyrene frame profile, corners, and flange.
   2. Polypropylene extruded mesh
   3. Polypropylene color indicator corners
2. EDGE Media:
   1. EDGE Acid Gas Blend, A1
   2. EDGE VOC Blend, G1
3. Labeling:
   1. Direction of airflow sticker
   2. Information label: product ID, project name, project number, date manufactured.
   3. EDGE label: company name, address, contact information.
   4. Color indicator corner(s):
      1. EDGE Acid Gas Blend – blue indicator corner, upper left corner, downstream side
      2. EDGE VOC Blend – green indicator corner, upper left corner, downstream side

2.3 CONSTRUCTION

1. The Dynamic EDGE Panel shall be comprised of fixed parallel sheets of EDGE Media constructed to promote tangential, unobstructed airflow across the media.
2. EDGE Panels shall contain, at minimum, one EDGE Media specified in Section 2.2 MATERIALS. Panels shall be fabricated with a framed perimeter and protective mesh on the upstream and downstream face.
3. Assemblies/arrays shall consist of EDGE Panels that have a frame depth of 1.75”, 1.92”, or 3.27”, are between 11.5” and 26” in width and between 11.5” and 24.5” in height.
4. Panels shall be positioned into tracks and seal to prevent bypass of air.
5. EDGE Media shall not shed and requires no post filtration under normal operation.

2.4 CONFIGURATION

• EDGE Panels shall be arranged into angled arrays or flat racks. Design shall target a media velocity of 180-190 FPM unless otherwise specified by reason of application.
• EDGE Panels have a distinct orientation and shall be arranged into racks such that:
  1. the air flow sticker points in the direction of air flow and
  2. the color indicator corners are positioned on the left when downstream side (looking into the airstream).

At minimum, a MERV 8 particulate filter shall be placed upstream of the EDGE Panel assembly.

PART 3 – EXECUTION
3.1 TESTING AND PERFORMANCE

EDGE shall be tested per ASHRAE Standard 145.2 by a third-party laboratory and meet the following single pass efficiencies when tested at a media velocity of 180 FPM:

1. EDGE shall have the following minimum removal capacities:
   1. Acid Gas Blend – A1
      1. Toluene: 9-11% by weight
   2. VOC Blend – G1
      1. Toluene: 14-16% by weight
      2. Myrcene: 17% by weight
2. EDGE Panels shall be implemented for the removal of gaseous contaminants and shall not have a MERV rating per ASHRAE Standard 52.2 “Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size”.
3. EDGE Panels shall have a constant static pressure drop for the entirety of their operational life. Static pressure shall not increase with time with proper prefiltration.
   1. At the design media velocity of 190 FPM (three 24x24” panels in a 24x24” cross-section per 2000 CFM) EDGE Panels shall have a pressure drop of 0.24 and 0.13 “w.g. for angled arrays incorporating 3.27” and 1.75” /1.92” EDGE Panels respectively.
   2. Angled arrays incorporating 3.27” EDGE Panels shall have a pressure drop no greater than 0.35 and 0.20 “w.g. when tested in an ASHRAE 52.2 duct at cross-sectional velocities of 500 and 375 FPM respectively.
   3. Angled arrays incorporating 1.75” or 1.92” EDGE Panels shall have a pressure drop no greater than 0.15 and 0.10 “w.g. when tested in an ASHRAE 52.2 duct at cross-sectional velocities of 500 and 375 FPM respectively.

3.2 FIELD PERFORMANCE AND OPERATING CONDITIONS

1. AHU number and description
2. Total airflow (CFM)
3. EDGE media velocity (FPM)
4. EDGE pressure drop
5. Application type/contaminant of concern when known

PART 4 – CHANGES TO THE SPECIFICATION

4.1 MANUFACTURER’S RIGHT TO MODIFY

1. The manufacturer reserves the right to make changes to the DYNAMIC EDGE GAS PHASE REMOVAL design, materials, or specifications at any time, as part of ongoing research and development and/or product improvements.

4.2 PERFORMANCE VARIATION DISCLAIMER

1. The specified performance parameters, including but not limited to filtration efficiency, pressure drop, and other characteristics, are based on laboratory testing under controlled conditions. Actual performance in real-world applications may vary based on factors such as installation, operating conditions, maintenance, and other site-specific variables.