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PENN Controls Products Catalog

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A19 Series Automatic Changeover with Strap-On Mounting Description The A19 Series Changeover is a control for use with combination heating and cooling temperature controls. Refer to the A19CAC Type Automatic Changeover Control Product Bulletin (LIT-125065) for important product application information. Features This control automatically selects the correct thermostat function. Applications Recommended for convectors, fan coils, and blast coil units, and similar devices. The A19CAC-2 Control can be mounted directly on either a vertical or a horizontal pipe, using the can mounting strap supplied with control. The A19CAC-1 Control has a remote bulb for greater mounting convenience. Figure 6: A19 Series terminal arrangement for SPDT Selection charts Table 27: A19 Series Automatic Changeover with Strap-on Mounting selection chart Product code number Switch action Range °F (°C) Differential F° (C°) Mounting A19CAC-1C Single-Pole, Double- Throw (SPDT) 60 to 90 (16 to 32) 10 (5.6) 42 in. capillary A19CAC-2C SPDT 60 to 90 (16 to 32) 10 (5.6) Direct Table 28: Replacement parts Product code number Description CVR28A-617R Concealed adjustment cover 31

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