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Features |
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• Upgrade to Multi-Stage Equipment.
• Add Air quality Enhancements Without Wall Clutter.
• Eliminate the Need for a Fossil Fuel Kit.
• Display Outdoor Temperature.
• Thermostat connects with Equipment Interface Module or EnviraZone panel to control temperature, humidification, dehumidification and ventilation from a single point in the home. |
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Product Specifications |
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Description |
VisionPRO® IAQ Total Home Comfort System with Temperature, Humidification, Dehumidification and Ventilation Control |
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Application |
Heat/Cool or Heat Pump with Auxiliary Heat |
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Programmability |
7 Day Multiple Day Programming or Non-Programmable |
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Changeover |
Auto/Manual Selectable |
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Switch Positions (System) |
HEAT-OFF-COOL-AUTO-EM.HEAT |
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Switch Positions (Fan) |
AUTO-ON-CIRC |
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Power Method |
Communicating |
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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 |
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Dimensions (in.) |
4 9/16 in. high x 6 in. wide x 1 1/4 in. deep |
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Dimensions (mm) |
116 mm high x 152 mm wide x 32 mm deep |
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Setting Temperature Range (F) |
Heat: 40 F to 90 F; Cool: 50 F to 99 F |
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Setting Temperature Range (C) |
Heat: 4.5 C to 32 C; Cool: 10 C to 37 C |
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Differential Temperature (F) |
± 1 F |
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Differential Temperature (C) |
±0.5 C |
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Stages |
Up to 4 Heat/2 Cool Heat Pump |
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Stages |
Up to 3 Heat/2 Cool Conventional |
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Outdoor Sensor |
Yes, optional |
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Discharge Sensor |
Yes, optional |
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Remote Sensor |
Yes, optional |
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Sensor Element |
Thermistor |
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Heat Current |
1.0 A running |
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Cool Current |
1.0 A running |
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Operating Humidity Range (% RH) |
5 to 90% RH, non-condensing |
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Includes |
TH9421C1004 Thermostat and THM5421C1008 Equipment Interface Module |
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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. |
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Humidification Setting Range |
10 to 60% RH. |
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Dehumidification Setting Range |
40 to 80% RH. |
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Literature and other Resources Download
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Back To Top
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Operating Manual - (TH9421 Total Home Comfort System - English, French, Spanish)
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Installation Guide - (TH9421 VisionPRO IAQ Equipment Interface Module - English, French, Spanish)
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Installation Guide - (TH9421, YTH9421 VisionPRO IAQ Touch-screen Programmable Thermostat, English, French, Spanish)
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Product Data - (YTH9421C1002, TH9421C1004, THM5421C1008 VisionPRO IAQ Total Home Comfort System)
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Error Codes - (TH5320C, YTH9421C, TH9421C EnviraCOM Error Codes - English, French, Spanish)
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Installation Instructions - (YTH9421, TH9421, TH8321, TH8320, TH8110, TH6320, TH6220, TH5110, TH5320, TH5220, TH5110 Range Stop Instructions - English, Spanish)
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Download
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