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The
electronic head pressure control modulates condenser fan motor speed by varying
the air volume through the condenser. The control monitors the head pressure by
sensing the sub-cooled liquid line temperature.
Applications
Typically
utilized on air-cooled condenser fan motors in air conditioning and refrigeration systems.
Applicable
Motors
• Single phase single speed
• Open frame
– PSC or shaded pole
• Direct drive, sleeve or ball bearing
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