Prestige® 2-Wire IAQ Equipment Interface Module| Used With | All THX9421R5021 Prestige® 2-Wire IAQ Thermostats and all versions of Prestige® IAQ Thermostats and the VisionPRO® Thermostats with RedLINK™ technology. |
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| Operating Temperature Range (C) | -40 C to 73.9 C |
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| Application | Gas, oil, electric, heat pump, forced warm air, hot water, steam or gravity |
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| Operating Temperature Range (F) | -40 F to 165 F |
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| Dimensions (in.) | 9 5/16 in. High, 4 13/16 in. Wide, 1 5/8 in. Deep |
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| Operating Humidity Range (% RH) | 5 to 95% RH, non-condensing |
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| Cool Current | 1.0 A running |
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| Overview | Equipment Interface Module controls up to 4-stages of heat and 2-stages of cool in a heat pump system and up to 3-stages of heat and 2-stages of cool in a conventional system. Three sets of Universal IAQ contacts to control humidification, dehumidification, and ventilation. Four sensor inputs for wired sensors or dry contact devices. |
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| Heat Current | 1.0 A running |
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| Stages | Up to 4 Heat / 2 Cool Heat Pump or Up to 3 Heat / 2 Cool Conventional |
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| Dimensions (mm) | 237.4 mm High, 122.5 mm Wide, 40.6 mm Deep |
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| Supply Voltage | 18 to 30 Vac |
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| Electrical Connections | Screw terminals |
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| Electrical Ratings | 18 to 30 Vac |
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| Terminal Designations | R, RC, RH, C, W-O/B, W2-AUX1, W3-AUX2, Y, Y2, G, A-L/A, U1, U1, U2, U2, U3, U3, S1, S1, S2, S2, S3, S3, S4, S4, A, B, C, D |
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| Includes | THM5421R1021 Equipment Interface Module |
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| External Sensors Available | N/A |
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Product Family
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