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Item#: 9SIA5D52BE5291

Honeywell VisionPro IAQ Programmable Universal Thermostat with Total Home Comfort Control

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Honeywell VisionPro IAQ Programmable MultiStage Thermostat with Total Home Comfort (YTH9421C1002) Contains all features of standard VisionPRO, except arm chair programming. Thermostat connects with Equipment Interface Module to control temperature, humidification, dehumidification and ventilation from a single point in the home. Only 3 wires run from thermostat to equipment interface module (EIM), making retrofitting an old thermostat a snap! Can control whole house humidifier and automatically raises humidity levels throughout all rooms in the home, moisturizing air to prevent symptoms of dryness and to protect hardwood flooring and woodwork. Can control whole house dehumidifier, and automatically lowers humidity levels through al rooms in the home, utilizing air conditioning or a whole house dehumidifier to prevent dampness, stickiness or odors; symptoms often associated with air that is too moist. Application - Conventional and Heat Pump systems Programmability - Universal Programming from 7 Day to Non-Programmable Changeover - Auto or Manual Color - Premier White Switch Positions (System) - HEAT-OFF-COOL-AUTO-EM.HEAT Switch Positions (Fan) - AUTO-ON-CIRC Power Method - Power supplied by EIM Terminal Designations - 1, 2, 3, C, R, Rc, Rh, R, W1-O/B, W2-Aux, W3-Aux2, Y, Y2, G, L, Out1, Out2, In1, In2, Dats1, Dats2, Hum1, Hum2, Dhm1, Dhm2, Vnt1, Vnt2 Dimensions (in.) - 4 9/16 in. high x 6 in. wide x 1 1/4 in. deep Dimensions (mm) - 116 mm high x 152 mm wide x 32 mm deep Electrical Ratings - 20 to 30 Vac Setting Temperature Range (F) - Heat: 40 F to 90 F; Cool: 50 F to 99 F Setting Temperature Range (C) - Heat: 4.5 C to 32 C; Cool: 10 C to 37 C Differential Temperature (F) - ± 1 F Differential Temperature (C) - ±0.5 C Stages - Up to 4 Heat/2 Cool Outdoor Sensor - Yes, optional Discharge Sensor - Yes, optional Remote Sensor - Yes, optional Sensor Element - Thermistor Currents (Heating) - 1.0 A running Currents (Cooling) - 1.0 A running Currents (Fan) - 0.6A running Operating Humidity Range (% RH) - 5 to 90% RH, non-condensing Includes TH9421C1004 Thermostat and THM5421C1008 Equipment Interface Module Comments - Includes Humidification Control with or without Frost Protection, Dehumidification using Whole House Dehumidifier or Air Conditioning with High or Low speed fan, Advanced Patented Ventilation Control and Advanced Dual Fuel Heat Pump Control. Humidification Setting Range - 10 to 60% RH. Dehumidification Setting Range - 40 to 80% RH.


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Honeywell > 
Item#: 9SIA5D52BE5291
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