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 version # 1.
*Outside Temperature Sensor . The Temperature
"Outdoors." To Purchase **$24.95**
*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 box.
YTH9421C-1002 Version # 3
Box includes the Thermostat - TH9421C1004 "AND"
the Equipment Interface Module -THM5421C1008
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.
Features
• 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.
Product Specifications
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.