SmartFan® Wisp II DC Fan Speed Controller- Probe
Operation / Installation PDF
SmartFan Wisp II is a fan controller designed to control one or more small DC fan. The Wisp includes a temperature sensor, control circuit, and temp. alarm output conveniently packaged in one small probe for remote or on fan mounting. The controller uses a linear operating principle, applying a smooth DC voltage to the fans. It is available for both Closed-Loop (temperature regulating) and Open-Loop (temperature compensating) applications. Wisp II accepts an 11.5 to 30 VDC supply voltage range for controlling 12 and 24 VDC fans. Custom wire lengths, control temperatures, and slopes are available.
SmartFan Wisp II DC Fan Speed Controller – Probe Dimensions
For CAD drawings, use the links in Additional Information below.
SmartFan Wisp II DC Fan Speed Controller Part Numbers
|Part Number||Type1||Supply Voltage Range||Maximum Watts
|Control Temperature||Full Speed / Idle Speed Temperatures|
|018W135-F||Closed-Loop||11.5 to 30 VDC||20 Watts||35°C||N/A|
|018W135P-F||Open-Loop||N/A||35°C / 23°C|
1. Closed-Loop models are best installed near the equipment exhaust; Open-Loop models at the air inlet.
2. Air temperature of 70 °C or less. Minimum air velocity of 200 ft/min.
To talk to an Engineer or Service Representative, call (978) 486-4160 (9:00 AM – 5:00 PM EST)