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EP2 Series (EP2)

The EP2 Series by Mars Air Doors is our most common air curtain for large loading dock doors at Air Door Distributors. The EP2 Series is rated at 79 dBA for a 96” unit. The EP2 Series is rated for insect control up to 14 feet high and environmental control up to 16 feet high. The EP2 Series is only 14” in height X 15 5/8” deep and in lengths from 36” to 144”. The HV2 Series units 96" to 120" feature a 2-motor 3 HP design and units 120" - 144" have 3 motor 3 HP design.  Available in Ambient, Steam and Hot Water configurations. The modern and sleek design will fit beautifully into any application. Its durable light weight design is finished in a powder coated paint to withstand years of worry free operation. Standard production color is Silver but available in white, black, custom colors and 304 stainless steel. 

The EP2 Series is great for Receiving & Loading Dock, Restaurants & Food Service, Retail & Office, Convenience & Grocery, Healthcare & Hospitals, Manufacturing & Distribution, Pest Control and Transportation & Terminals.

ep unheated spec sheet

EP2 Series NOTES: 

  1. This product is designed to meet the National Electric Code (NEC), ETL Safety Listed for the US and Canada
  2. (2) ½” key hole slots and (2) 7/16” mounting holes provided for wall mounting and (4) 7/16” mounting holes for overhead mounting provided, (2) on each end. 
  3. All units have a self contained one piece cabinet, fire retardant and corrosion proof paint lock metal double protected with baked on Titanium Silver color, rust preventative electrostatic polyurethane powder coating. 
  4. Cabinet has sufficient strength for fastening to wall on both ends without intermediate support. 
  5. Internal J-Box(es) for electrical wiring: one motor-(1) 2” X 4”; two motors-(1) 4” X 4”; three motors-(2) 4” X 4”. 
  6. Unit is to be installed such that air flow is unobstructed. Air discharge nozzle containing adjustable air directional vanes with 40 degree sweep front to back. 
  7. Circuit protection per NEC by others. 
  8. Optional motor control panel, door limit switch and mounting brackets are field installed and/or wired by others. The door limit switch is to be mounted such that the air curtain turns on as door begins to open. To prevent unit damage, the mounting brackets must be installed such that the bottom of the air curtain is not below the door header.

Mars EP2 Series Features:

Air Curtain

  • 3 HP Continuous Duty TEAO Motors
  • Sleek self-contained one piece heavy gauge corrosion proof paint lock metal design
  • ETL Certified to confirm to UL 507 (US) and CSA 22.2 (Canada) Standards (Indoor/Outdoor Use) 
  • (4) 7/16” top and wall mounting holes provided, (2) on each end 
  • Cabinet is to be mounted from overhead or fastened to a wall and has sufficient strength for suspension from both ends without intermediate support
  • Adjustable air directional vanes with 40 degree sweep front to back 
  • Standard color is Titanium Silver 
  • Rust preventative electrostatic polyurethane powder coating 
  • 5 year parts warranty 
  • Freight Included (FOB Continental USA)
  • Proudly made in USA

Air Curtain Options and Accessories: (see Accessories Brochure) 

  • Motor Control Panels
  • Wall and Overhead Brackets
  • Custom color and finishes (304SS, 316SS)
  • Washdown units and accessories (NEMA 4 & 4X)
  • Explosion Resistant units and accessories (Class 1, Div. 1 , Group D)

Air Curtain Sound Levels: (measured at 10’ in an open field)

1 Motor Unit = 76 dBA, 2 Motor Unit = 79 dBA, 3 & 4 Motor Unit = 81 dBA

EP2 Steam & Hot Water:

Ep2 heated spec sheet

EP2 Steam & Hot Water NOTES:

  1. This product is designed to meet the National Electric Code (NEC), ETL Listed (UL 507 and CSA 22.2).
  2. (2) ½” key hole slots and (2) 7/16” mounting holes provided for wall mounting and (4) 7/16” mounting holes for overhead mounting provided, (2) on each end. 
  3. All units have a self contained one piece cabinet, fire retardant and corrosion proof paint lock metal double protected with baked on Titanium Silver color, rust preventative electrostatic polyurethane powder coating. 
  4. Cabinet has sufficient strength for fastening to wall on both ends without intermediate support. 
  5. Hot Water application shown. For Steam, return fitting is at bottom of manifold and supply is at center of manifold
  6. Internal J-Box(es) for electrical wiring are provided.
  7. Unit is to be installed such that air flow is unobstructed. Air discharge nozzle containing adjustable air directional vanes with 40 degree sweep front to back. 
  8. Circuit protection per NEC by others. 
  9. Optional motor control panel, door limit switch and mounting brackets are field installed and/or wired by others. The door limit switch is to be mounted such that the air curtain turns on as door begins to open. To prevent unit damage, the mounting brackets must be installed such that the bottom of the air curtain is not below the door header.

Mars EP2 Steam & Hot Water Features:

EP 2 Air Curtain

  • 3 HP Continuous Duty TEAO Motors
  • Sleek self-contained one piece heavy gauge corrosion proof paint lock metal design
  • ETL Certified to confirm to UL 1995 (US) and CSA 22.2 (Canada) Standards  
  •  (4) 7/16” top and wall mounting holes provided, (2) on each end 
  • Cabinet is to be mounted from overhead or fastened to a wall and has sufficient strength for suspension from both ends without intermediate support
  • Adjustable air directional vanes with 40 degree sweep front to back 
  • Standard color is Titanium Silver 
  • Rust preventative electrostatic polyurethane powder coating 
  • 18 months parts warranty 
  • Freight Included (FOB Continental USA)
  • Proudly made in USA

EP2 Hot Water and Steam Coils

  • Coil casings shall not be less than 16 gauge galvanized steel with tube holes formed with extruded collars. 
  • Fins are die formed .006” aluminum (1 row – 10 FPI, 2 row – 8 FPI)
  • Coil tubes constructed of heavy wall, 5/8” OD seamless copper (Steam - .035” & Hot Water - .025”)
  • Coil tubes arranged in a staggered pattern and mechanically expanded into fins to ensure a uniform pressure bond
  • Manifolds shall be of heavy seamless copper construction 
  • All joints shall be brazed with high temperature silver brazing alloy (Steam – 7% & Hot Water – 3%, max steam operating pressure 30 PSI
  • Fittings shall be of wrought copper or similar construction such that the entire fluid circuit shall be of compatible nonferrous materials
  • Manifold shall be fitted with ¼” vent or drain fittings
  • Supply fitting is on the right side of coil. Return fitting is on the left side

EP2 Air Curtain Options and Accessories: (see Accessories Brochure) 

  • Motor Control Panels with remote mounted thermostat 
  • Steam distribution, Cupro Nickel and CRN coils
  • Rust resistant epoxy coated or SS coils
  • Custom housing and transition colors and finishes (304SS,316SS)

EP2 Air Curtain Sound Levels: (measured at 10’ in an open field)

1 Motor Unit = 74 dBA, 2 Motor Unit = 75 dBA, 3 & 4 Motor Unit = 77 dBA