beautypg.com

Schreiber Chillers Hypertherm Part No 039104 User Manual

Page 26

background image



TROUBLE SHOOTING - PART II

26


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.