Payment Options: Money Order, Cashier's Check, Personal Check,
**** NEW NEW ****
In version # 3 there are additional configuration options and some general refinements to the programming/configuration interface of the thermostat that are not present in versions # 1 OR # 2
The differences between the 3 versions of firmware #1 # 2 are so significant that I do not have the space to list them all. There are so many more configuration options available and the Auto/Off feature of the vent, hum, dehum, etc. (as long as those terminals are activated) are all there when you choose "more" on the touchpad.
*Outside Temperature Sensor . The Temperature "Outdoors." To Purchase **$24.95** Just email me if you need these.
*Inside Remote Sensor. The Temperature In "Other" Parts Of The Home. To Purchase**39.95**
Brand New In a Factory Box. includes the thermostat and the equipment interface bo
YTH9421C-1002 Version # 3
Box includes the Thermostat - TH9421C1004 "AND" the Equipment Interface Module
Vision PRO IAQ Total Home Comfort System Control comfort and Indoor Air Quality (IAQ) throughout your entire home with Honeywell's VisionPRO IAQ Total Home Comfort System. VisionPRO IAQ eliminates the need for multiple controls in your living space, by managing your home's temperature, humidification, dehumidification and ventilation - all from a single, easy-to-use touchscreen control.
The TH9421U touch screen universal programmable thermostat provides electronic control of 24 Vac heating and cooling systems of 750 mV heating systems in addition to humidification dehumidification and ventilation.
• Contains all features of standard VisionPRO, except arm chair programming.
• Thermostat connects with Equipment Interface Module or EnviraZone panel to control temperature, humidification, dehumidification and ventilation from a single point in the home.
• Automatically raises humidity levels throughout all rooms in the home, moisturizing air to prevent symptoms of dryness and to protect hardwood flooring and woodwork.
• 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.
• Removes air pollutants by exchanging the stale air in a house with fresh, filtered air better than having an open window.
Description VisionPRO® IAQ Total Home Comfort System with Temperature, Humidification, Dehumidification and Ventilation Control
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 Communicating
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.