Indirect-Fired Outdoor Make-Up Air
Modine’s outdoor power-vented Indirect-fired outdoor heating and make-up air systems deliver dependable, high-performance heating for demanding commercial and industrial HVAC applications. These duct furnace and blower combinations are available in multiple configurations to support everything from recirculating heating to 100% outside air make-up air systems, with or without integrated cooling.
Engineered for maximum flexibility, these units are available in 16 model sizes ranging from 100,000 to 1,200,000 BTU/hr, with airflow capacities from 750 to 14,500 CFM. All models feature integral power exhausters, robust blower performance, variable frequency drives, and 80% thermal efficiency for reliable and energy-efficient operation.
Whether you’re looking for a simple rooftop heater or a fully featured outdoor HVAC system with dampers and DX cooling options, Modine’s outdoor system units deliver quality, customization, and control—making them an innovative solution for any environment.
Available Models:
HBP (furnace & blower)
HDP (furnace, blower, & downturn plenum)
HCP (furnace, blower, & cooling coil section)
HPP (furnace, blower, downturn plenum, & cooling coil section)
- The available model configurations are HBP (furnace & blower), HDP (furnace, blower, & downturn plenum), HCP (furnace, blower, & cooling coil section), and HPP (furnace, blower, downturn plenum, & cooling coil section).
- Available in 16 model sizes from 100,000 to 1,200,000 Btu/hr
- Selection of 5 blower sizes and many drive and motor combinations allows robust blower performance from 750 to 14,500 CFM against a total static pressure of up to 3.0″ W.C.
- Variable frequency drives for multi-speed or variable air volume applications.
- Two-position, modulating, or 0-10 Vdc signal-controlled damper actuators.
- Modine Controls System utilizes a Carel microprocessor controller for complex HVAC/R Applications.
- 80% thermal efficiency for fuel savings.
- Uses natural or propane gas (field convertible from natural to propane gas).
- Right or left-hand control access can be specified when ordering the unit.
- Available with either a factory-installed DX cooling coil or the coil can be provided by others.
- A wide range of controls, options, and accessories for unit customization to meet even demanding specifications.
- An integral power exhauster that allows for a low-profile installation.
- 409 stainless steel heat exchanger, burner, and drip pan
- Two-stage and electronic modulation controls
- Modine Control System option provides a programmable microprocessor controller with building management compatibility
- High and/or low gas pressure switches
- Ultra-low leak class-I leakage resistance outside air dampers
- Two position, modulating, or floating building pressure control damper actuators maximizes control of outside ventilation air with fresh and return air dampers
- Variable frequency drives for maximum air volume control flexibility
- Factory-installed DX or chilled water coil
- Dead-front disconnect switches
- Double-wall construction for the blower and/or cooling cabinet
- Circuit analyzers minimize start-up and service time by immediately identifying causes of improper unit operation
- Smoke detectors, timed freeze protection, thermostats, time clocks, and many other control devices
- Roof curb and supply and/or return duct connectors to allow ductwork be field installed before unit arrives at the job site
