Schreiber-chillers Old 4 ton MRI Manuel d'utilisateur télécharger pdf (Page 31)

TROUBLE SHOOTING - PART II

REFRIGERATION SYSTEM INTERNAL PRESSURE USING REFRIGERANT R-22

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

* Low Pressure Switch: Automatic Reset - Cut out at 25 P.S.I.

WORKING REFRIGERANT PRESSURES R-22

* 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.

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Schreiber-chillers Old 4 ton MRI Manuel d'utilisateur Page 31