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NSAU
STANDARD ROOFTOP FILTERED MAKE-UP AIR FANS
- Air Volume: 2 – 6,000 cfm
- Maximum SP: 2" wg. @ standard air density
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.
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.
Combination packages that include both exhaust and supply fans mounted on a single roof curb are also available, please contact your sales representative for more information.
FEATURES & BENEFITS
OPTIONS
A SERIES
MODULAR ROOFTOP FILTERED MAKE-UP AIR FANS
- Air Volume: 2 – 22,000 cfm
- Maximum SP: 4" wg. @ standard air density
The Air Handler Unit is the heart of the modular fan system. It is designed to deliver fresh outside make up air for installations requiring frequent air changes. Units are designed for indoor or outdoor applications, and are available in vertical or horizontal discharge configurations.
Packages are available in sizes up to 22,000 CFM, and external static pressures up to 4″ W.G. Units have large doors on both sides 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). The blower module has a standard horizontal inlet designed to accommodate an outside air inlet hood with a standard 2″ filters and screen.
To satisfy a variety of installation and climatic requirements, packages are available in a number of configurations. Possible configurations include the addition of either a v-bank or an evaporative cooler intake module and a direct fired or indirect fired heating module. All modules bolt together to form a rigid common base structure that mount onto a single curb structure or can be hung for indoor applications.
Combination packages that include both exhaust and supply fans mounted on a single roof curb are also available, please contact your sales representative for more information.
FEATURES & BENEFITS
OPTIONS
INLINE
INLINE FILTERED MAKE-UP AIR FANS - UNTEMPERED
- Air Volume: 1 – 7,000 cfm
- Maximum SP: 2" wg. @ standard air density
FEATURES & BENEFITS
The Air Handler Unit is the heart of the modular fan system. It is designed to deliver fresh outside make up air for installations requiring frequent air changes. Units are designed for indoor applications, and are available in side discharge only.Packages are available in sizes up to 7,000 CFM, and external static pressures up to 2″ W.G. Units have large doors on both sides 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). The blower module has a standard horizontal inlet with 2″ filters in fan inlet.
OPTIONS
Economy
EMUA-FA
ECONOMY MAKE-UP AIR FANS - NO MOTOR
This economy make-up air unit is a non-motorized gravity vent. It is an economical choice when a fresh air intake or pressure relief is needed.
* Approximate CFM against static resistance is based on a throat area velocity of approximately 1200 fpm.
PERFORMANCE DATA
| Size | CFM Against Static Resistance* |
|---|---|
| 10″ | 750 |
| 12″ | 1000 |
| 14″ | 1475 |
| 18″ | 2400 |
DMUA-FA
ECONOMY MAKE-UP AIR
- Air Volume: 350 – 2,460 cfm
- Maximum SP: 0.5" wg. @ standard air density
Can be used anywhere fresh air is needed to replace exhaust air, commercial kitchens, office buildings, bakeries, laundries, factories, warehouses, foundries, locker rooms, etc.
OPTIONS
FEATURES & BENEFITS
Accessories
Cooling Modules
EVAP, DX, Chilled Water Coils
Available cooling options for make-up air units include Evaporative Cooling, DX Coils and Chilled Water Coils. Units available to meet indoor and/or outdoor applications.
Heating Modules
Direct Fired, Indirect, Electric
Available heating options for make-up units include Direct Fired, Indirect Fired, Electric, Hot Water Coils and Steam Coils. Units available to meet indoor and/or outdoor applications.
Intake Discharge
Accessories
Accessories for make-up air units include Disharge Diffusers, Downturn Plenum, Field Assembled Curbs, Intake Hood, Mixing Box, Screen Intake, Trunkline and V-Bank.
