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PENN Controls Products Catalog

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Selection chart Table 113: T28 Series Fan Coil Thermostat selection chart Product Code Number Fan Switch Shipping Weight, lb (kg) Cooling T28BD-1C Off-Hi-Med-Lo 1.3 (0.59) Heating-Cooling (Remote changeover, Single valve for heating and cooling) 1 T28CD-1C Off-Hi-Med-Lo 1.3 (0.59) Heating-Cooling, Sequenced (Automatic changeover, Separate valves for heating and cooling) 2 T28DA-1C None 1.0 (0.45) T28DB-1C 1 Off-On 1.3 (0.59) T28DD-1C 1 Off-Hi-Med-Lo 1.3 (0.59) T28DG-1C 3 Off-Hi-Med-Lo 1.3 (0.59) 1 Off position of fan switch interlocks to turn off cooling. 2 For automatic changeover where one valve functions for heating or cooling, use A19CAC-2 Strap-On Changeover Control. 3 Off position of fan switch interlocks to turn off both heating and cooling. Technical specifications The T28 mounts on a standard, double outlet box. Nominal operating differential at 0.6°F (0.3 C°) heating, 1 F° (0.6 C°) cooling on standard 120 VAC fan coil valves. Sequenced models have 6 F° (3.3 C°) differential from heat on to cool on. Table 114: Electrical ratings–Ampere Thermostat Cooling Heating Fan Switch VAC Normal Inrush Normal Inrush Full Load Amperes Locked Rotor Amperes 120 0.32 1.0 0.12 0.36 5.8 34.8 208 0.18 0.57 0.07 0.21 3.3 19.8 240 0.16 0.50 0.06 0.18 2.9 17.4 95 Refrigeration Products Catalog

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