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PENN Controls Products Catalog

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A19 Defrost Duration and Fan Delay Control Description The A19 Defrost Duration and Fan Delay Control is a remote bulb control with adjustable defrost termination temperature and preset fan delay temperature. Refer to the A19ZBC Type Temperature Control Product Bulletin (LIT-121071) for important product application information. Features • sensing element unaffected by barometer pressure and cross ambient temperature problems • limited adjustment range Applications Use for defrost termination control for refrigerated display cases. Selection chart Table 41: Selection chart Product Code Number Switch Action Defrost Termination °F (°C) Bulb and Capillary Range Adjuster A19ZBC-2C Single-Pole, Double- Throw (SPDT) 45 to 85 (7 to 29) 19/64 in. x 3-1/8 in.; 6 ft. capillary Knob A19 Defrost Duration and Fan Delay Control technical specifications • maximum bulb temperature: 140°F (60°C) • fan delay temperature: factory set at 25°F (-4°C) Table 42: Electrical Ratings Motor Ratings VAC 120 208 240 AC Full Load A 16.0 9.2 8.0 AC Locked Rotor A 96.0 55.2 48.0 Non-Inductive or Resistance Load A (Not Lamp Loads) 16.0 9.2 8.0 Pilot Duty 125 VA, 24 to 277 VAC 41

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