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Schreiber Chillers MICRO MAX CHILLERS User Manual

Page 19

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19

TROUBLE SHOOTING - PART II


REFRIGERATION SYSTEM INTERNAL PRESSURE USING REFRIGERANT R-
134A

* High Pressure Switch : Manual Reset - Cut out at 425 P.S.I.

* Low Pressure Switch : Automatic Reset - Cut out at 15 P.S.I.



WORKING REFRIGERANT PRESSURES R-134A

* High Pressure : 185 to 325 P.S.I.

* Low Pressure : 45 to 70 P.S.I.


























***NOTE***

These pressures are under normal ambient temperatures and chilled water temperatures.