User guide

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.

2000AC.doc