Johnson Controls Pressure Control, 4-Wires, P70GE-4
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Manufacturer: Johnson Controls
Pressure Control, 4-Wire
P70 single and dual function pressure controls are used in commercial air conditioning and refrigeration applications. The load-carrying contacts provide direct control of A.C. motors within the control’s rating. (See cover label for the electrical rating.) The controls can be used with R- 12, R-22, R-500, or R-502 refrigerants. Specific models for ammonia applications are also available. The MICRO-SET construction of low pressure controls and low side of dual models permits differentials to a minimum of 5 psi (34 kPa).
WARNING: On ammonia applications, the ammonia P70 pressure control must be mounted separately from the electrical cabinet.
All Series P70 controls are designed for use only as operating controls. Where an operating control failure would result in personal injury and/or loss of property, it is the responsibility of the installer to add devices (safety, limit controls) that protect against, or systems (alarm, supervisory systems) that warn of control failure. Certain models of the Series P70 controls are supplied as pressure limiting devices for refrigeration or conditioning equipment.
Replaces Part Number: P70GE-4