Greenheck Fan SQ/BSQ manual Models SQ and BSQ, Table of Contents

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Models SQ and BSQ

Centrifugal Square Inline Duct Fans

Table of Contents

Standard Construction Features . . .

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4-5

Typical Installation . . . . . . . . . . 14

Vari-Green Motor & Control Options .

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6-7

Model Number Code .

 

. . . . . . . . 14

Options and Accessories

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.8

Direct Drive . . . . . . . . . . . 15-23

Filter Options . . . . . . . . . . . . .9

Belt Drive . .

. . .

. . . . . . . 24-45

Discharge Configurations

. 10-11

Specifications

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. . . . . . . 46-47

Mounting Options

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12

Quick Delivery

. . .

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. .

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. . . .48

Isolators

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13

Warranty . .

. . .

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. .

. .

. . . .48

Greenheck Fan Corporation certifies the model SQ and BSQ fans shown herein are licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and Publication 311 and comply with the requirements of the AMCA Certified Ratings Program. The certified ratings for models SQ and BSQ are shown on pages 15 to 45.

UL is optional and must be specified. SQ and BSQ models are Listed for Electrical (UL/cUL 705) File no. E40001

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Contents Centrifugal Inline Fans Table of Contents Models SQ and BSQModel Comparison Standard Construction Features Drive Frame Benefits FeaturesVari-GreenOptions Vari-Green AdvantagesDemand Control Ventilation for Multistory Buildings Time of DayOptions and Accessories Model SQ Model Model BSQ Model Selection ProcedureFilter Options Discharge Configurations Discharge ConfigurationSide Discharge SQ-BSQ ModelBSQ 243⁄4SQ-BSQ 13⁄8 51⁄2 63⁄4 25⁄8 Base Mount or Hanging IsolatorsModel BSQ 13⁄8 51⁄2 63⁄4 25⁄16 SQ-BSQ Typical Installation VG = Vari-GreenSQ 60-65- Direct Drive SQ 70-75- Direct Drive SQ 80-85- Direct Drive 090 Damper size = 12 x SQ 90-95- Direct Drive095 SQ 100 Direct Drive 100SQ 120 Direct Drive 120SQ 130 Direct Drive 130SQ 140 Direct Drive 140SQ 160 Direct Drive 160BSQ 70 Belt Drive 2486BSQ 80 Belt Drive 15301550 BSQ 90 Belt Drive2691 BSQ 100 Belt Drive 2556BSQ 120 Belt Drive 2490BSQ 130 Belt Drive 1735790 BSQ 130HP Belt Drive2770 130HP1615 1340 BSQ 140 Belt Drive1890 1900 1530 BSQ 140HP Belt Drive2641 2270 140HPBSQ 160 Belt Drive 20011990 BSQ 160HP Belt Drive2321 160HP180 BSQ 180 Belt Drive1010 180HP BSQ 180HP Belt Drive1385 1120 990 BSQ 200 Belt Drive1375 2001350 BSQ 200HP Belt Drive1602 200HP730 BSQ 240 Belt Drive1070 240240HP BSQ 240HP Belt Drive1605 735 615 495 375 BSQ 300 Belt Drive855 967 300HPBSQ 300HP Belt Drive 770 560360 BSQ 360 Belt Drive811 775 590 BSQ 360HP Belt Drive880 360HP420 BSQ 420 Belt Drive670 Constant Pressure Model SQLeed information Remote DialBelt Drive Specifications Model BSQHigh Pressure BSQ-130HP through 240HP BSQ-300 through SQ-75 through 120 BSQ-70 throughThrough 180 SQ-60 through 130 BSQ-130 BSQ-300HP and 360HP

SQ/BSQ specifications

The Greenheck Fan SQ/BSQ series represents a significant advancement in the realm of ventilation solutions, designed to cater to both commercial and industrial applications. With an emphasis on performance, efficiency, and reliability, these fans have become a go-to choice for engineers and contractors alike.

One of the main features of the SQ/BSQ series is their advanced airflow design. The fans are engineered with high-performance backward-inclined blades, which not only optimize airflow but also minimize noise levels, making them ideal for settings where quiet operation is essential. This design allows the SQ/BSQ fans to handle a wide range of static pressures, delivering consistent airflow even in varying conditions.

Another notable characteristic of the SQ/BSQ fans is their robust construction. Made with high-quality materials, these fans are built to withstand the rigors of industrial environments. The casings are typically constructed from galvanized steel, with optional coatings available for enhanced corrosion resistance. This durability ensures long-lasting performance, reducing the need for frequent replacements and maintenance.

Equipped with the latest motor technology, the SQ/BSQ series offers energy-efficient options that comply with various energy standards. The fans utilize a range of motor types, including premium efficiency and electronically commutated motors (ECM), which contribute to lower operating costs and reduced energy consumption. This focus on energy efficiency aligns with increasing regulatory requirements and environmental considerations.

The SQ/BSQ series also embraces advanced control technologies. Through the integration of variable frequency drives (VFD), users can achieve precise control over fan speed and airflow, allowing for better system optimization. This capability is particularly beneficial in applications where airflow demands fluctuate, ensuring that energy usage remains efficient.

Lastly, Greenheck has prioritized ease of installation and maintenance with the SQ/BSQ models. The fans are designed to facilitate quick installation, featuring accessible service points for maintenance tasks. This ease of access helps reduce downtime and improves overall operational efficiency.

In summary, the Greenheck Fan SQ/BSQ series combines advanced airflow design, robust construction, energy-efficient motor technology, and intelligent control options to deliver a comprehensive and reliable ventilation solution. Whether used in commercial buildings, warehouses, or industrial facilities, these fans stand out for their performance and versatility, making them a preferred choice in the ventilation market.