STjh 7500 CFM makeup air unit with a square medium cabinet, larger fan bay and intake hood, main view on white.

STJH-MAKEUP-AIR-UNIT-7500CFM-45X44

Direct-Fired Makeup Air Unit 7500 CFM Medium

A medium direct-fired makeup-air platform covering 2600-7500 CFM with a 44.9 x 44.1 inch cabinet and up to 25:1 turndown.

2600-7500 CFM operating range
Up to 25:1 turndown
44.9 x 44.1 inch cabinet

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Introducción del producto

The medium cabinet increases airflow capacity to a published 2600-7500 CFM range while retaining modulating direct-fired heating. Its approximately 1100 lb configured mass and wider fan section fit pharmaceutical utility and packaging systems where exhaust varies more widely than a compact local application.

Características clave

Broad modulation range

High burner turndown helps temper replacement air as outdoor temperature and exhaust demand change.

Medium fan module

The wider cabinet accommodates the fan size needed for ducted replacement air across multiple rooms or exhaust points.

Service-oriented package

Separated burner and fan access supports routine inspection without entering the clean served spaces.

Parámetros técnicos

Airflow Range	2600-7500 CFM
Cabinet Height	44.9 in
Cabinet Width	44.1 in
Approximate Weight	1100 lb in referenced configuration
Heating Method	Modulating direct-fired gas
Burner Turndown	Up to 25:1
Supply Fan	Forward-curved fan module
Temperature Control	Discharge or room-based modulation option
Installation	Outdoor rooftop or grade mounting
Customization	Airflow controls, heating input and discharge arrangement can be configured for the intended application and operating environment.

Applications

Pharmaceutical utility exhaust replacement, medium clean packaging areas, laboratory groups and controlled manufacturing ventilation.

Solutions for Your Application

Exhaust volume changes between operating shifts and fixed heat output causes discharge-temperature swings.Use the available burner turndown with an appropriate temperature-control sequence.

Replacement air must be distributed to several exhaust zones.Select the medium fan module and duct layout for the combined pressure loss and balancing points.

Opciones disponibles

Variable airflow controls, filtration, intake damper, gas train, burner controls, discharge configuration, weather hood and curb accessories are available.

Planning a Direct-Fired Makeup Air Unit 7500 CFM Medium specification?

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