1. PP-00XXX A WEATHERFLO ® HD

2. TNT-00050 WEATHERFLO ® HD Overview  WEATHERFLO HD integrated VFD Cooling Solution –Designed to protect and cool Variable Frequency Drives (VFDs) from 100-500 hp –Tested cooling capacity: impeller packages provide actual exhaust performance of 840 CFM –UL Type 3R enclosure for rugged outdoor environments –Aluminum construction: lightweight and easy to handle –White textured paint for lowest solar heat impact Out-of-the box integrated cooling solution for heavy duty drive applications

3. TNT-00050 Features & Benefits  Innovative Back Panel Loading –Less travel distance; option to bring enclosure to panel  Shielded Impeller Packages –Provide 840 actual CFM per impeller; shielded to prevent seizing  Stainless Steel Hinges –Ensure door operation in wet environments  Stainless Steel Mesh Screen –Protects intake and exhaust areas from animal or human interaction and against debris  POWERGLIDE ® Handles –Secure, smooth operating and reliable  Gangable –Ability to expand with the control demands  Vented Base –Includes innovative recessed louver design; reduces interference points  White Textured Paint –Durable finish; aids heat dissipation Feature rich, scalable solution

4. TNT-00050 Key Product Specifications  Types of Protection –UL Type 3R/IP22  Construction –Frames and bases: 0.125” aluminum –Tops and impeller housing: 0.080” aluminum –Sides and standard rear cover: 0.100” aluminum –Panels and heavy duty rear cover: 12 gauge mild steel  Finish –White (RAL 9003), lightly textured, polyester powder paint

5. TNT-00050  Easily select and order the frame, top, base and accessories for the specific application –Select frame/enclosure –Select top –Select base –Order panel –Select rear cover –Select number of impellers One- or two-door modelsVented or solid basesPagoda or solid tops Specifying Your Solution Easily select and order your solution

6. TNT-00050 Specifying Your Solution  Selection matrix available online and in the spec sheet  Clear instructions provided for easy assembly in one hour Helpful ordering tools and easy to assemble Model Numbers for Single DoorModel Numbers for Two Door EnclosuresWFHD3E723630WFHD3E726830 Pagoda TopWFHD3PT3630WFHD3PT6830 Solid TopWFHD3ST3630WFHD3ST6830 Vented BaseWFHD3VB3630WFHD3VB6830 Solid BaseWFHD3B3630WFHD3B6830 Rear Cover/Covers*WFHD3RC7236 HD Rear Cover/Covers*WFHD3RCH7236 Panel/Panels*WFHDP7236 Impeller PackageWFHDFP Gland PlateWFHD3GP Selection Matrix *Two-door versions require 2 Rear Covers and Panels

7. TNT-00050 Specifying Impellers  Scalable to your heat load and dissipation requirements Scalable to match application needs

8. TNT-00050  Water/wastewater  Irrigation  Mining and boring  HVAC  Oil and gas  General drive applications Markets served / end-customers

9. TNT-00050 Benefit Overview  WEATHERFLO ® HD provides an out-of-the box solution –Integrated cooling solution –Innovative panel loading options –Solution tested to rigorous standards in Hoffman’s UL lab UL Type 3R Airflow performance Strength testing –Standard solution in stock  Innovative Design –Scalable CFM and heat dissipation, tested to an actual 840 CFM of exhaust –New venting design meets Type 3R requirements; internal vs. external louvers –New panel loading options Bring back panel through rear of enclosure to avoid pinch points, minimizing populated panel travel distance Alternative loading method allows for the frame to be lowered onto a populated back panel

10. TNT-00050 Benefit Overview  Rugged, robust heavy-duty design –Type 3R for your outdoor drive protection and cooling needs –Enclosures were strength tested to a 2X safety factor for 500 hp VFDs –Heavy-duty rear cover available when your application calls for the VFD to be mounted directly to the rear cover –Stainless steel hinges ensure access to your controls  WEATHERFLO ® HD flexibility –Filters are easily replaced –Padlocking handle provides security for your system –Gangable, allowing for expanding control needs –Full range of enclosure modifications available when customization is required

11. TNT-00050 Thank you!