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Variable Speed Control Switch
The following units may be controlled with the use of a variable speed control switch, we recommend HPM 1000 EWE (may be purchased from Cyclo Fans);
V30-184-SPH
V30-374-SPH
V38-374-SPH
V46-374-SPH
Connection Diagram For Variable Speed
If not using a speed switch, the white or black (run) and blue (start) must be connected together
When using a speed control switch, do not run the fan lower than 900rpm
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