The Honeywell 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 all 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: Gas, Oil or Electric; Heat Pump; Millivolt
- Programmability: Universal Programming from 7 Day to Non-Programmable
- Changeover: Auto/Manual Selectable
- Color: Premier White
- User Interface: Touchscreen
- 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
- Setting Temperature Range (F): 40ª F to 90ª F. Cool: 50ª F to 99ª F
- Setting Temperature Range (C):Heat: 4.5ª C to 32ª C. Cool: 10ª C to 37ª C
- Differential Temperature (F):1ª F
- Differential Temperature:0.5ª C
- Stages:Up to 4 Heat/2 Cool
- Outdoor Sensor:Yes, optional
- Discharge Sensor:Yes, optional
- Remote Sensor:Yes, optional
- Sensor Element:Thermistor
- Heat Current:1.0 A running
- Cool Current:1.0 A running
- Fan Current: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.
- Voltage:20 to 30 Vac
- Features: Password Protection, Dehumidification Control