Honeywell Prestige® IAQ Touchscreen 7 Day Programmable Thermostat with Outdoor Sensor

Product Highlights

The Prestige® IAQ 7 day programmable thermostat is suitable  for residential or light commercial use. It controls up to 4 stages of heat and 2 stages of cool in a heat pump system
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Item #: 98552

Mfg #: YTHX9421R5101WW/U

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Product Highlights

The Prestige® IAQ 7 day programmable thermostat is suitable for residential or light commercial use. It controls up to 4 stages of heat and 2 stages of cool in a heat pump system and up to 3 stages of heat and 2 stages of cool in a conventional system.

  • High definition color touch screen
  • Three sets of universal IAQ contacts to control humidification, dehumidification, and ventilation
  • Four sensor inputs for wired sensors or dry contact devices
  • Works with the Equipment Interface Module and RedLINK® accessories including the RedLINK® Internet Gateway
  • Portable comfort control
  • Wireless outdoor and indoor sensors

California residents: see Proposition 65 Warning

Weight8.50 Pounds
Length0.88 Inches
Width4.50 Inches
Height3.50 Inches
Country of OriginMEX
Voltage18-30 VAC
Electrical ConnectionScrew terminals
Electrical Rating18 to 30 VAC
Power MethodHardwired
Cycle/Hertz50 Hz
750mV CompatibleNo
Auto ChangeoverYes
Built In Wi-FiNo
Change/Check RemindersYes
Daylight Savings Time ReadyYes
Digital-Non ProgrammableYes
Displays Outdoor TemperatureYes
Heat Pump CompatibleYes
Indoor Remote SensorYes
LanguageEnglish, French, Spanish
Low Battery IndicatorYes
Programmable FanYes
Stages Cool2
Stages Heat4
Vacation ModeYes
Accuracy+/- 1° F
ApplicationUp to 4 Heat/2 Cool Heat Pumps or Up to 3 Heat/2 Cool Conventional Systems
Dual Transformer CompatibleNo
Fan SwitchingYes
Operating Temperature Range32°F to 120°F (0°C to 48.8°C)
System SwitchingYes
Temperature RangeHeat: 40°F to 90°F (4.4°C to 32.2°C); Cool: 60°F to 99°F (15°C to 37.2°C)
Terminal DesignationsR, RC, RH, C, W-O/B, W2-AUX1, W3-AUX2, Y, Y2, G, A-L/A, U1, U1, U2, U2, U3, U3, S1, S1, S2, S2, S3, S3, S4, S4, A, B, C, D
Warranty OfferedYes
Comments/NotesTri-Lingual Display (selectable for English, French or Spanish)
IncludesTHX9421R5021WW Prestige® 2-Wire IAQ Thermostat, THM5421R1021 Equipment Interface Module, C7089R1013 Wireless Outdoor Sensor and 2 Duct Sensors
Operating Humidity5 to 90% RH, non-condensing
For Use WithRedLINK accessories

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