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PENN Controls Products Catalog

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Note: For information on models not listed, please contact Johnson Controls/PENN ® Refrigeration Application Engineering at 1-800-275-5676. Technical specifications Table 172: Maximum pressures Low side Pressure All range MICRO-SET High side Maximum working pressure 100 psi (552 kPa) 80 psi (690 kPa) 500 psi (3,447 kPa) Maximum overpressure 325 psi (2,241 kPa) 525 psi (3,620 kPa) 525 psi (3,620 kPa) Figure 53: Typical wiring for SPST switch (P70L, M, N, and P170L, M, N models) Figure 54: Typical wiring for four-wire, two- circuit switch (P70P, Q, and R models) Figure 55: Typical wiring for DPST switch (P72L, M, and N models) Figure 56: Two SPDT switches wired as a dual pressure control (switching a single load with optional high side alarm and low side alarm) (P70S and P170S models) Figure 57: Two SPDT switches wired to control two different loads (optional high side alarm and low side alarm) (P70S and P170S models) 150 Refrigeration Products Catalog

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