Description

 

A high-volume low-speed (HVLS) fan is a type of mechanical fan greater than 7 feet (2.1m) in diameter. HVLS fans are generally ceiling fans although some are pole mounted. HVLS fans move slowly and distribute large amounts of air at low rotational seed-hence the name “high volume, low speed.”

Typical applications for HVLS fans fails into two classifications – industrial and commercial. In industrial applications, air conditioning is often cost-prohibitive or impractical. Fans installed in spaces like warehouses, barns, hangars & distribution centers can prevent heat stress, increase workers’ comfort and the productivity of both workers & livestock. HVLS fans are also used in commercial spaces, where air conditioning is more common, but increased air movement from ceiling fans can cost-effectively augment occupant comfort or prevent stratification. Typical commercial applications include shopping malls, churches, office buildings, airport terminal buildings, fitness centers, and schools.

In fact, energy-efficient HVLS fans have quickly assumed a leading role in the green building movement. The air from an HVLS fan moves toward the floor in a column that radiates in all directions, flowing horizontally until it reaches a wall or airflow from another fan -at which point it turns upward and flows back towards the fan. This creates convection like air currents that build as the fan continues to spin. Because of their size, HVLS fans are effective and efficient. Using 3/4-to-2-hp motors, they consume power at a fraction of the cost of multiple small ceiling fans.

Features

  • Aerodynamically shaped blade terminal for better performance and noise reduction.
  • Models available in 3, 4, 5, 6, and 7m diameters making the fan adaptable for all types of applications.
  • Mounting bracket, 4 stabilizing wires, and main security wire included as standard.
  • Motor rated IP65, suitable for S1 continuous service.
  • Comes with a 2-year warranty as standard.

Typical Applications

Industrial spaces, garments factory, dyeing spaces, retail spaces, shopping centers, health clubs, sports centers, schools, religious facilities, restaurants, theaters, stadium, airport, distribution and manufacturing facilities, daily/livestock barns and factories, etc.

 
Model U HVLS3 HVLS4 HVLS5 HVLS6 HVLS7
Number of Blades 10 10 10 10 10
Diameter m 3.05 4.05 5.05 6.05 7.05
Max Rotation Speed rpm 140 80 70 50 40
Max Absorbed Power kW 0.75 1.1 1.5 1.5 2.0
Max Current A 1.4 2.1 2.8 2.8 3.8
Weight kg 88 95 108 115 135
Max Thrust N 68 62 100 146 133
Max Airflow AMCA 230-99 cfm 60980 77311 122439 177216 197103
m³/h 103605 131352 208025 301092 334878
SPI 28.5 15.9 15.6 9.2 6.8
Affected Diameter m 15 18 24 30 35
Operating Temperature °C -10/+50 -10/+50 -10/+50 -10/+50 -10/+50

Area of Impact

Select the right fan for the application. The larger the fan, the larger the area of impact.

Motor

Electricity Supply: 2 HP

400 VAc, 3 Phase, 50-60 Hz

Electricity Consumption: 2~5 A

Dimensions

 

Technical Data

 
Model U HVLS3 HVLS4 HVLS5 HVLS6 HVLS7
ΦA (Fan Diameter) mm 3050 4050 5050 6050 7050
B (Max Ceiling Slope) ° 5 5 5 5 5
C (Min Safety Distance
From Side Obstruction)
mm 350 450 550 550 650
D (Fan Height With
Standard downrod)
mm 1270 1270 1270 1270 1270
E (Standard Downrod
Length)
mm 800 800 800 800 800
H (Minimum Fan
Installation Height)
mm 2700 2700 2700 2700 2700

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