Monthly Archives: October 2013

Variable Speed Blower

Inserted a Crydom control relay in series with the “high speed” fan motor connection from the control board to the fan of a CR-2550. This will allow the computer to have full control of the fan speed when the CR-2550 fan is set to “high speed” only. ┬áThe idea is that there is a linear relationship between aircraft engines and the ECS.

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