Back

MCV/MVV Series

Indoor/Outdoor Direct-Fired Make-Up Air System

Modine’s Direct Gas-Fired Make-Up Air System delivers a powerful, efficient solution for air handling in environments that demand 100% outside air. By utilizing advanced direct-fired technology, these units heat make-up air with a gas flame, ensuring outstanding performance and minimal maintenance. With an impressive 100% thermal efficiency and a remarkable 92% sensible efficiency, they are specifically designed to optimize energy use and minimize operational costs. Offering input ratings of up to 2,100,000 Btu/hr and airflow capabilities ranging from 800 CFM to 14,000 CFM, these units provide exceptional versatility for a wide range of applications.

Models

  • MCV – Direct Fired, 100% Outside Air, Constant Speed Fan
  • MVV – Direct Fired, 100% Outside Air, Variable Speed Fan

Highlighted Features

High-Efficiency Direct-Fired Performance

With direct-fired heating technology, these systems achieve up to 100% combustion efficiency—providing immediate, energy-efficient heat while meeting ventilation and make-up air needs in large, demanding facilities.

100% Outside Air for Superior Ventilation

The MCV/MVV Series delivers continuous, 100% outside air to replace exhausted or displaced air—improving indoor air quality, maintaining proper building pressure, and ensuring a healthier, more productive environment.

Durable, Industrial-Grade Construction

Designed with heavy-duty components, corrosion-resistant materials, and service-friendly access, the MCV/MVV Series withstands the rigors of industrial and commercial applications—delivering long-term performance with minimal maintenance.

Product Details & Specifications

Key Features
  • Efficient Heating: Achieves maximum temperature rises of 130°F for natural gas and 95°F for propane, with a supply air temperature limit of 120°F.
  • High Heating Capacity: Delivers heating input ratings up to 2,100,000 Btu/hr, featuring a 30:1 high firing rate turndown for precise temperature control.
  • Versatile Airflow Options: Offers a range of blower sizes to accommodate airflow from 800 to 14,000 CFM.
  • Superior Performance: 100% thermal efficiency (92% sensible) ensures optimal energy use.
  • Durable Construction: Features corrosion-resistant G90 galvanized steel casing panels on a robust aluminum-tube cabinet frame.
  • Flexible Installation: Indoor or outdoor installation. Horizontal cabinet design with down, straight, or top discharge options; includes a rigid channel base for curb, slab, or suspension mounting.
  • Easy Maintenance Access: Equipped with lift-out gasketed access panels with handles.
  • Effective Insulation: Contains 1″ foil-faced fiberglass insulation to enhance thermal efficiency.
  • Advanced Control Systems: Incorporates the Maxitrol Series 14 discharge temperature control, with options for factory-mounted discharge air sensors and a remote control panel featuring lights, switches, and temperature controls.
  • Reliable Ignition and Safety: Low-maintenance cast aluminum burner with stainless-steel mixing plates, featuring direct spark ignition (up to 1125 MBH) and interrupted pilot ignition for larger models. Includes flame safeguard control and high limit safety features.
  • Auto-Velocity™ Profile System: Automatically adjusts burner air velocity for optimal combustion.
  • Robust Electrical Components: Features include control step-down transformers, motor starters with overload protection, and adjustable sheave-drive motors.
  • Long-lasting Performance: Fan bearings rated for L10 life (minimum 100,000 hours) with neoprene vibration isolation for fan and motor.
  • Simplified Wiring Installation: Comes with flexible installation wiring harnesses (10 feet standard for power and remote panel wiring) and a floor-mounted chase to eliminate drilling.
  • Tested and Certified: 100% factory tested in all operational modes; ETL certified for use in the US and Canada for 100% outside air make-up applications.
  • Tested and Certified: ETL certification for the entire system
  • Proudly Designed, Engineered, and Assembled in the USA: Commitment to quality and craftsmanship in every unit.

Options

Available Models:

  • MCV: Direct Fired, 100% Outside Air, Constant Speed Fan
  • MVV: Direct Fired, 100% Outside Air, Variable Speed Fan

Capacity Range:

  • Heating input ratings up to 2,100,000 Btu/hr
  • Multiple blower sizes provide a wide range of airflow capability from 800 to 14,000 CFM

Modine Direct Gas-Fired Make-Up Air Systems are offered in a wide range of configurations and performance options. Please refer to our product catalog for specifications and model options: 7-115 Direct Gas-Fired Make-Up Air Systems Catalog


Accessories

Feild-Installed:

  • Motorized discharge damper (standard or low leak, power or spring return)
  • Discharge diffusers (3-way or 4-way)
  • Full unit perimeter roof curb with nailer for flat roof installation (insulated or non-insulated)
  • Smoke detector
  • Mechanical or digital time clocks (7-day programmable)
  • Vibration isolation hangers (for suspended units) or feet (for base-mounted units)

Warranty

Applications

Modine’s Direct Gas-Fired Make-Up Air Systems provide the customization, control, and efficiency required for dependable year-round operation in commercial and industrial environments. Common applications include:

  • Warehouses and distribution centers
  • Industrial manufacturing and processing plants
  • Commercial kitchens and high-exhaust environments
  • Automotive facilities and service centers
  • Food and beverage production areas
  • Large retail stores and big-box buildings
  • Gymnasiums and sports complexes

Related Products