Greenheck Fan SQ/BSQ manual SQ 120 Direct Drive

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SQ 120 - Direct Drive

1

(25)

157⁄8

(403)

19

(483)21

(533)

19

(483)(Pa) PressureStatic

		1.8
																							RPM (Direct)
400		1.6																					RPM (Vari Green)
400		1.6																					Density 0.075 lb/ft 3
																							Density 1.2 kg/m 3
350		1.4																					E
350		1.4																					V
																							R
																							U
																						M	C
300	wg)	1.2																				M
300		1.2																				E
																					T
																					S		1725
																					Y		1725
																					Y
	(in.																				S
																					S
250		1.0																		I
250		1.0																		H
	Pressure																			T
																				F
																			T	O
200		0.8																	T
200		0.8																F
																E	L	E
															H		L
														T
150	Static												O
		0.6
		0.6									T	T											1140
										C		T


100		0.4						E	L	E
							S		L
						T
					O
				N															860
			O


50		0.2	D
50		0.2

Damper size = 16 x 16 (406 x 406)

Unit weight** = 67 (30)

Housing thickness = 18 ga

Outlet velocity = 0.571 x cfm

Dimensions shown in inches (millimeters) and weight is shown in pounds (kilograms).

**Weight shown is largest cataloged Open Drip Proof motor.

	Motor HP		Fan RPM

	Direct				0.000	0.125
	Direct				0.000	0.125
	120
	VG-1/2			CFM	971	843
	VG-1/2	C-1/8	860	BHP	0.05	0.06
		C-1/8	860	BHP	0.05	0.06
				Sones	4.4	4.1
				CFM	1287	1190
				CFM	1287	1190
		B-1/6	1140	BHP	0.12	0.12
				Sones	7.4	7.2
				CFM	1948	1884
				CFM	1948	1884
		A-1/2	1725	BHP	0.41	0.42
				Sones	14.7	14.1

0	0.0 0		500		1000	1500	2000
				Volume (cfm)
	0	500	1000	1500	2000	2500	3000

Volume (m3/hr)

CFM / Static Pressure in Inches wg

0.250	0.375	0.500	0.625	0.750	1.000	1.250	1.375
704
704
0.06
3.3
1095	992	873	693
0.13	0.14	0.14	0.13
7.0	6.3	5.9	5.8
1819	1754	1692	1629	1563	1417	1240	1128
0.42	0.44	0.45	0.46	0.46	0.48	0.48	0.47
13.8	13.6	13.5	13.4	13.2	12.6	11.9	11.7

Performance certified is for installation type B: Free inlet, Ducted outlet. Performance ratings do not include the effects of appurtenances (accessories).

The sound ratings shown are loudness values in fan sones at 1.5 m (5 feet) in a hemispherical free field calculated per AMCA International Standard 301. Values shown are for installation type B: free inlet hemispherical sone levels.

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Contents Centrifugal Inline Fans Table of Contents Models SQ and BSQModel Comparison Standard Construction Features Drive Frame Features Vari-GreenOptionsBenefits 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 Model BSQSQ-BSQ 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 1735BSQ 130HP Belt Drive 2770790 130HP1615 1340 BSQ 140 Belt Drive1890 BSQ 140HP Belt Drive 2641 22701900 1530 140HPBSQ 160 Belt Drive 2001BSQ 160HP Belt Drive 23211990 160HP180 BSQ 180 Belt Drive1010 180HP BSQ 180HP Belt Drive1385 1120 BSQ 200 Belt Drive 1375990 200BSQ 200HP Belt Drive 16021350 200HPBSQ 240 Belt Drive 1070730 240240HP BSQ 240HP Belt Drive1605 BSQ 300 Belt Drive 855 967735 615 495 375 300HPBSQ 300HP Belt Drive 770 560360 BSQ 360 Belt Drive811 BSQ 360HP Belt Drive 880775 590 360HP420 BSQ 420 Belt Drive670 Model SQ Leed informationConstant Pressure Remote DialBelt Drive Specifications Model BSQSQ-75 through 120 BSQ-70 through Through 180 SQ-60 through 130 BSQ-130High Pressure BSQ-130HP through 240HP BSQ-300 through 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.