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Control Resources

Custom Fan Speed Controls

Custom Fan Alarm Designs


The SmartFan fan speed control and alarm product line has been designed to satisfy the broadest possible range of fan speed control and fan alarm applications, including both DC motor speed control and AC motor speed control. However, as no one product can anticipate every customer requirement, Control Resources specializes in providing cost effective, custom fan speed control, alarm and cooling solutions to the electronics, telecommunication and HVAC industries. Control Resources has produced custom fan speed control and alarm products and special versions of our standard products for many OEM control applications.

Custom Fan Speed Controls & Alarms - Special Parameters

Special Stratus Design
SmartFan Stratus II VFD
Fan Speed Control

Special Multi-SD Design
SmartFan Multi SD
Fan Speed Control 		Many parameters of SmartFan catalog products are easily modified to meet your custom fan speed control & alarm needs.

These include:
  • Idle speed


  • Control point (temperarture, humidity or pressure)


  • Control slope (sensitivity)


  • Alarm trigger points


  • Special alarm outputs


  • Custom I2C communications

Custom Fan Speed Controls & Alarms - Custom Designs

Custom Fan Control Design
Custom Fan Speed Control
for Telecom Fan Tray

Custom Fan Control Design
Custom Variable Frequency
Drive and Enclosure

Custom Fan Control Design
Custom Fan Speed Control
for Telecom Fan Tray


Custom Fan Control Design
Custom Variable
  Frequency Drive

Custom Fan Control Design
Custom Fan Speed Control
Probe for A-V Equipment

Custom Fan Control Design
Custom Fan Speed Control
for Wood Stove Application		 We have more than 25 years experience designing and producing custom SmartFan fan speed control and fan alarm products. Here are just a few of our customers.

With over 350 custom designs for OEM fan speed controls and alarms since 1984, we are equipped to handle your specific requirements including the following:

  • Custom packaging, including circuit board shape, special connectors and fan tray design/build


  • Unique power or fan quantity requirements


  • Fan supply voltage regulation, "clamping"


  • Redundant "diode OR'd" power supplies


  • EMI filtering


  • Hotplug capability


  • Full voltage startup


  • In-rush current limiting "soft start" at startup


  • Boosting fan voltage above supply voltage


  • Fan speed control based on :
    - Temperature
    - Temperature differential
    - Humidity
    - Pressure
    - VDC or current input
    - I2C, RS232 or other control signal
    - Remote transducer


  • Fan synchronization


  • Redundant or multiple OR'd control signals


  • Fan On / Fan Off trigger points


  • Multiple alarm trigger points


  • Custom alarm outputs


  • Fan speed (RPM) or board temperature reporting via I2C, RS232, MODBUS or any serial-type bus.


  • Provide PWM or VDC control signals to fans with built-in speed control


  • ATCA compliance for telecom applications

Custom Fan Speed Controls & Alarms - Applications

Pump Control Clean Room Pressurization Electronics Cooling
Pump Control
Clean Room Pressurization
Electronics Cooling
Humidity Control Medical Equipment & Power Supplies Telecommunications Equipment
Humidity Control
Medical Equipment
& Power Supplies

Telecommunications Equipment
Fan Failure Alarms Ventilation  
Fan Failure Alarms
Ventilation

Links

Control Resources' staff and facilities are fully equipped to provide complete fan, pump and motor control solutions from product definition to prototype design and verification to volume production.

To view more information, please use the following links below: To visit other SmartFan Product Groups:
Click on Variable Speed AC Fan and Motor Control to learn about SmartFan AC controls.
Click on Variable Speed DC Fan and Motor Control to learn about SmartFan DC controls and alarms.
Click on Fan Speed Alarms to learn about SmartFan fan alarms.
Click on Catalog to go to our catalog page to select the SmartFan variable speed control and alarm for your application.



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Control Resources Incorporated 11 Beaver Brook Road Littleton MA, 01460 USA Tel: 978-486-4160 Fax: 978-486-4772 email: sales@controlres.com
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