CaptiveAire NSAU User Manual

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NSAU

STANDARD ROOFTOP FILTERED MAKE-UP AIR FANS

Air Volume: 2 - 6000 cfm
Maximum SP:

This economical blower is designed to deliver fresh outside make up air for installations requiring frequent air
changes. Units are designed for outdoor applications, and are available in vertical or horizontal discharge
configurations.

2" wg. @ standard air density

Units are available in sizes up to 6,000 CFM, and external static pressures up to 2" W.G. Units have a removable lid
to provide ample access to all internal components. Standard features include vibration isolation, high efficiency
motors, and adjustable drive sheaves (belt drive units only). Units consist of a galvanized enclosure with a blower
and motor. Belt drive units also include pulleys and belt(s). This unit has a standard horizontal inlet designed to
accommodate an outside air inlet hood with standard 2" filters.

FEATURES & BENEFITS

Unit housing made from G90 galvanized steel.

Blower mounted on vibration isolators.

High efficiency motors standard.

Variable pitch motor pulley allows for field adjustment and system balancing. (belt drive units only)

Unit available in down or straight through discharge.

2" washable filters standard.

Disconnect switch.

Spring loaded lid latches.

Speed control standard on direct drive units.

OPTIONS

Gravity intake damper.

Motorized intake damper.

Roof Curbs.

Wall Mount Kit.

VAV Packages.

Extra Set of V-Belts. (belt drive units only)

CERTIFICATIONS

The NSAU Model has been certified by ITS. This certification mark indicates that the product
has been tested to and has met the minimum requirements of a widely recognized (consensus)
U.S. products safety standard, that the manufacturing site has been audited, and that the
applicant has agreed to a program of periodic factory follow-up inspections to verify continued
performance.

Model NSAU is ETL Listed under file number J20029811-001 and complies with UL705 and CSA C22.2, No. 113
Standards.

800) 965-0420