Direct-Fired Indoor/Outdoor Make-up Air
Modine’s direct gas-fired make-up air units provide an energy-efficient and cost-effective solution for delivering tempered 100% outside air to commercial or industrial spaces. Designed for indoor or outdoor installation, models MCV (single-speed) and MVV (variable-speed) are ideal for maintaining proper building pressure, air quality, and temperature control.
With heating inputs up to 2,100,000 BTU/hr, 100% thermal efficiency, and the advanced Auto-Velocity™ profile system for optimal combustion, these units ensure maximum fuel savings and performance. A wide range of blower sizes and airflow options (800–14,000 CFM) supports a variety of airflow configurations, including straight, bottom, or top discharge.
Perfect for warehouses, factories, and other facilities requiring fresh air ventilation, Modine’s direct-fired make-up air systems offer the customization, control, and efficiency needed for reliable year-round operation.
Available Models:
MCV (single-speed blower applications)
MVV (variable-frequency drive for variable-speed blower applications)
Standard Features:
- Heating input ratings up to 2,100,000 Btu/hr with high firing rate turndown (30:1 at full burner rating) for optimum temperature control
- 100% thermal efficiency (92% sensible gain) reduces fuel bills
- Multiple blower sizes provide a wide range of airflow capability from 800 to 14,000 CFM
- Indoor or outdoor installation
- Airflow configurations include straight, bottom, or top discharge with either right or left-hand control access
- Auto-Velocity™ profile system on every unit constantly monitors burner profile pressure drop and automatically adjusts burner air velocity for optimum combustion
- Direct Spark Ignition (DSI) to simplify operation and minimize cost on Units rated 1125MBH and smaller
- Foil-faced insulation on the cabinet for ease of cleaning
- Neoprene blower/motor vibration isolation for quiet operation
- Prewired 10-foot power and control wire harnesses in flexible conduit for speed and ease of field wiring. Wires are labeled for easy identification on each job-specific wiring diagram
- Floor-mounted wiring chase to eliminate the need to drill holes in the floor for routing electrical wiring harnesses to the space
- A wide range of controls, options, and accessories for unit customization to meet even demanding specifications
Optional Factory-Installed Features:
- Galvanized steel double-wall liners are available
- Side access filter options to ensure delivery of clean air
- LonWorks or BAC new MS/TP compatible controls for maximum centralized unit control
- Hinged access doors for easy service access
- Inlet and/or manifold (burner) gas pressure gauges to view gas pressures without needing to connect a manometer
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