Serco High Volume Low Speed fans are
designed to provide an energy-efficient solution
for large spaces. HVLS fans require much
less energy than traditional HVAC systems,
and provide year-round employee comfort and
temperature control.
ADVANCING HVLS technology through
controls and energy efficiency
Serco engineers build solutions through innovative products, and they’ve followed suit with the Serco ATEC™.
This fan is advancing HVLS technology through controls, improved airflow and energy savings. It’s all about
moving more air and saving more energy. The Serco ATEC features an advanced blade profile which means
more lift while the five (5) blade design results in less stress to your building. The combination of these
engineering discoveries equates to an increase in airflow without increasing energy usage. And, your Serco
ATEC HVLS fan arrives ready to be connected to your fire suppression system for added safety and function.
Serco ATEC fans don’t just move air, they circulate efficiency and positively impact many factors in your
facility. The gentle mass of air or the “floor jet” balances the internal environment by creating a more even
temperature, protecting product integrity, avoiding potential spoilage and increasing employee comfort. The
even coverage provided by a Serco ATEC fan works to reduce moisture in the air which helps to keep your
floors drier and safer for your employees.
• Keeps employees cool and comfortable
- The 2 - 3 mph breeze created by Serco fans delivers the equivalent of a 7 - 11 degree decrease in
perceived temperature
- Research supports that increased employee comfort can result in improved productivity and safety
• Protect product integrity
- Air circulation helps keep food and produce dry and fresh, reducing potential for decay or spoilage
- Air circulation reduces stagnant air, hot and cold spots and condensation
- Serco fans are also designed to operate in reverse, which helps de-stratify air in cool season
• Improves general working conditions
- Floor condensation is minimized, keeping floors drier and safer for foot and motorized traffic
- Improved indoor air quality through the dispersing of fumes
- Fans can be operated from a centralized location using Serco iFAN network controls (sold
separately), allowing a facility to easily monitor fan activity and performance
• Contributes to LEED certification credits in various categories
- Energy and Atmosphere
- Indoor Environmental Quality
- Innovation and Design
The Serco ATEC airfoil style blade design produces a massive, cylindrical column of air that flows down
to the floor and outward in all directions, creating a horizontal floor jet that consistently circulates air in
large spaces. This “horizontal floor jet” pushes air a greater distance before it is pulled back vertically
toward the blades. The greater the down flow, the greater the air circulation and resulting benefits. In
the colder months, fans can be run in reverse to circulate the hot air trapped at ceiling level known as
• Reduces energy consumption
- Working with the HVAC system, Serco fans help regulate temperature from ceiling to floor, which
can allow a facility to raise its thermostat setting 3 - 5 degrees. This creates a potential energy
savings of up to 4% per degree change
24 ft. diameter, 2 hp motor, 480 volt / 3 Ø
(operating at 70% of max speed)
Amp draw = 1.09 amps
Distance From Fan Cente
1.09 amps (operating at 70% of max speed) at 480 volt / 3 Ø = 830 watts
Average electrical cost = $0.10 kWh
Energy cost = voltage x current x √3 x hours used x cost per kWh
480 x 1.09 x 1.73 x (24 x 365) / 1,000 x
= $792.90
PRODUCT Components
• Frame and mounting hardware:
- Aesthetically pleasing frame cover allows for a wider range of
- Single axis mount decreases potential fan movement while
maintaining low torque transfer
- Mount self levels on pitched sloped roofs for easy installation
• VFD Assembly:
- High efficiency Variable Frequency Drive (VFD)
- In line fusing with disconnect
- VFD mounted outside swept area of the blades
- Supplied with 25’ of 14 gauge SO cable (pre-wired to motor)
from the factory
- Easy integration for networking or integration into fire
suppression panels
• Remote:
- Digital touch screen
- Numerical pass code protection
- Floor level diagnostics
- CAT5 E low voltage connection
• Hub and strut assembly:
- Patent-pending M3 strut design adds strength and rigidity to improve
fan performance
- Multi-piece aluminum hub distributes the load across the hub assembly
- Three point safety connection system provides redundant safety
• Winglet
- Specifically designed for stationary rotary airfoil operating at
slow speeds (patent-pending)
- Maximizes efficiency of airfoil by reducing induced drag
- Vortices are generated below the airfoil, directing turbulence away
from the trailing blade
- Molded high density polyethylene (HDPE) for extreme durability
Diameters: 8’, 10’, 12’, 14’, 16’, 18’, 20’, 24’
• Blade
- Patent-pending blade design optimizes airflow by increasing lift
- Vertical support increases rigidity and strength
- Up to 70% efficiency in reverse
Controls: Digital touch screen remote (connection via CAT5E cable)
Voltage: 208-230V 1Ø or 3Ø, 460-480V, 575V 3Ø
Motor: 1 HP (8-20') and 2 HP (24')
Coverage: Up to 30,000 sq ft with a 24’ fan (Floor obstructions affect airflow patterns at ground level)
Warranty: Lifetime warranty on blades, hub and frame
12-Year service life limited warranty
3-Year parts and 1-Year labor
iFAN™ Network Controls
iFAN allows customers to maximize the benefit of their HVLS fans by enabling centralized fan control.
Having already revolutionized the HVLS industry with networked controls, iFAN takes things to the next
level with specialized graphics to better simulate each customer’s facility. iFAN’s graphics allow customers
to clearly pinpoint where their fans are located within the facility. iFAN’s graphics also enhance each fan’s
visual appearance, aiding trouble shooting efforts, clarifying facility layout, and improving group fan control.
iFAN is the next generation of fan control.
iFAN allows you to network up to 30 fans per standard configuration. Communication is
established by “daisy chaining” the fans together via 4 wire conductor cables and connecting
the last fan to the iFAN computer.
INTELLIGENT: iFAN software allows you to control fans individually, by zone and by facility. System
functionality allows fans to be monitored and controlled by time settings, temperature
settings or temperature variance. Interconnection with fire control system is also available.
iFAN includes a touchscreen computer with custom graphic display of your facility’s fan
layout. Administrators can immediately and easily make operational adjustments. The
system can also display a variety of performance statistics for each fan and archive the data
for later reference or trend analysis.
INVALUABLE: iFAN ensures that operational and energy savings goals for your HVLS fans are realized.
Fan speed cannot be randomly adjusted at the fan. Zone settings can address the unique
operational and environmental conditions within separate areas of a facility. Key performance
statistics can be measured. Real-time adjustments to your operation are now possible.
Dialog box for individual fan provides access to
direction and speed settings for a specific fan.
Timer setting dialog box enables direction and speed for
individual fan or zones to be set by time of day. A similar
dialog box is available based upon temperature settings.
1. Fire Control System interface: Separate PLC control panel allows fans to be interconnected to a
building fire control system.
2. Multiple Building Control: Fan control across multiple buildings from a central location.
3. Web View Option: Browser-enabled view and control of iFAN system.
4. Tablet Control: Control of networked fans with hand held wireless device.
5. Temperature Control: Speed control based upon ambient temperature.
6. External Wind Sensor: Fan shutdown based on wind speed (exterior applications only).
7. Exhaust Fan Integration: Allows control of building exhaust fans using iFAN control interface.
8. Additional Groups: Standard iFAN system includes up to four groups.
Electronic instructional manual is
accessible via the navigation buttons.
iFAN can be connected to facility’s fire control system to
command “All Stop” in the event an alarm is triggered.
Turbo-ES™ Fan
How to move air efficiently in a unique situation where an
HVLS fan cannot be installed?
Serco understands that there are those rare applications
where an HVLS cannot be installed, maybe due to low head
room clearance or perhaps you only have one person at a work
station. Allow us to introduce you to the continuous stream of
air provided only by the Turbo-ES™ Fan.
The Turbo-ES™ Fan uses a powerful motor to direct fresh air
down isles or other tight spaces dispersing harmful fumes or
keeping an area fresher and insect free. It is also ideal for the
loading dock, circulating fresh air inside trailers. This thermally
protected fan prevents overheating and is easily maneuvered
using the easy grip handle so you can aim Turbo-ES’s
continuous stream of air exactly where it’s needed.
- Extra long 10' power cord with 3-prong 120V plug
- Protective grill for safety
- 3.0 Amp, 1/3 HP motor
- Circulates up to 1275 CFM
- Durable steel construction
- Dual articulating arm
- High impact LED Dock Light™
Serco® leads the industry in specialty hydraulic dock levelers,
safety products and programmable control systems, offering a
comprehensive portfolio of loading dock and warehouse solutions.
We are delighted to invite you to our 6,000 square foot showroom,
known as the Entrematic Academy in Carrollton, Texas. The
Entrematic Academy gives you a very special opportunity to get to
know our products in person. Gain hands on experience and enjoy
one-on-one interaction with our engineering and manufacturing
team in this state-of-the-art facility.
CAN’T MAKE THE TRIP TO DALLAS? Let our Mobile Academy come to
you. Our 53’ completely enclosed and temperature-controlled trailer
features over 25 full-sized, fully-functional dock equipment demo
units. Call 1-877-778-DOCK (3625) to schedule an appointment
and we’ll drive our solutions straight to your door.
1612 Hutton Dr., Suite 140
Carrollton, TX 75006
Tel: 800.933.4834
Fax: 972.323.2639
A continuing research program is in effect at Entrematic. We reserve the
right to incorporate product improvement at any time without prior notice.
© 2014 4Front Engineered Solutions, Inc.
Form# SCB-FHVLS-0414
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