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The 764-ECM 4 Speed Motor Controller is designed to allow the replacement of a
24VAC operated, discrete speed ECM fan motor with a speed adjustable ECM fan
motor & controller combination.
Applications
When used with a PWM capable ECM motor the
764-ECM Controller will provide four discrete speed selection inputs. Each input
is manually adjustable, allowing for optimal RPM / flow rates in your
application.
The 764-ECM Series is line voltage
independent and requires only a 24 VAC power source.
Motor speed control is accomplished
via a pulse width modulated signal from the 764-ECM which drives the ECM
motor through it's dedicated control signal input.
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