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HOW TO DIAGNOSE AND CORRECT REVERSING VALVE PROBLEMS.

Author(s) : MEES R. F.

Type of article: Article

Summary

THE AUTHOR STATES THAT MANY SERVICE CALLS ARE THE RESULT OF FAULTS OTHER THAN THAT OF FAILURE OF THE REVERSING VALVE. TO EXPAND ON THIS HE DESCRIBES THE OPERATION OF A HEAT PUMP AND THE PART IN ITS PERFORMANCE PLAYED BY THE REVERSING VALVE, THIS IS FULLY ILLUSTRATED. FOLLOWING THIS A STEP BY STEP PROCEDURE OF DIAGNOSIS IS DESCRIBED USING KNOWLEDGE OF THE SYSTEM TO CHECK REFRIGERANT UNDERCHARGE AND RELATIVE TEMPERATURES ROUND THE VALVE WHICH MAY DETERMINE MALFUNCTION OF THE PILOT SOLENOID VALVE. WARNINGS ARE GIVEN REGARDING EXCESSIVE BRAZING TEMPERATURES DURING INSTALLATION AND THE POSSIBILITIES OF PHYSICAL DAMAGE. FINALLY SOME TIPS ARE INCLUDED ON HOW TO REPLACE A FAULTY VALVE. D.W.H.

Details

  • Original title: HOW TO DIAGNOSE AND CORRECT REVERSING VALVE PROBLEMS.
  • Record ID : 1984-0295
  • Languages: English
  • Source: Aust. Refrig. Air Cond. Heat. - vol. 37 - n. 2
  • Publication date: 1983/02
  • Document available for consultation in the library of the IIR headquarters only.

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