RES YTHX9421R5085WW/U

Thermostat Kit
Honeywell | Part Number: YTHX9421R5085WW
$356.91
Redesigned Prestige 2-wire IAQ kit with RedLINK technology. Residential or commercial use. 7-day programmable. Up to 4H/2C heat pump or up to 3H/2C conventional. Kit contains a THX9421R5021XX/U full-color touchscreen thermostat, THM5421R1021 EIM and two duct sensors.
Ships in 1 business day
Control heating, cooling and IAQ equipment with only 2 wires at the thermostat. Heating, cooling and IAQ equipment wires to the Equipment Interface Module. Light commercial - commercial language (occupied and unoccupied), schedule holidays and custom events, remote setback, economizer and time of day.

YTHX9421R5085WW Technical Data

Hazmat Information
UN 3091, LITHIUM METAL BATTERIES CONTAINED IN EQUIPMENT, 9

Application
Up to 3 Heat/2 Cool Conventional Systems; Up to 4 Heat/2 Cool Heat Pumps

Dimensions
3 1/2 in. High, 4 1/2 in. Wide, 7/8 in. Deep
88 mm. High, 115 mm. Wide, 22 mm. Deep

Includes
THX9421R5021WW Prestige 2-Wire IAQ Thermostat
THM5421R1021 Equipment Interface Module and 2 Duct Sensors

Used With
RedLINK accessories

Comments
Tri-Lingual Display (selectable for English, French or Spanish)

Electrical Ratings
18 to 30 Vac

Frequency
50 Hz; 60 Hz

Stages
Up to 4 Heat/2 Cool Heat Pumps; Up to 3 Heat/2 Cool Conventional Systems

Electrical Connections
Screw terminals

Operating Humidity Range (% RH)
5 to 90% RH, non-condensing

Supply Voltage
18 to 30 Vac

Switch Positions (System)
HEAT-OFF-COOL-AUTO-EM.HEAT

Switch Positions (Fan)
AUTO-ON-CIRC-FOLLOW SCHEDULE

Operating Temperature Range
32 F to 120 F
0 C to 48.9 C

Power Method
Hardwired

Color
Front: White, Side: White

Programmability
7 Day Program or Non-Programmable

Display Size
8.06 sq in.

Changeover
Auto or Manual

Setting Temperature Range
Heat: 40 F to 90 F; Cool 50 F to 99F
Heat: 4.5 C to 32.0 C; Cool: 10 C to 37.0 C

Humidification Setting Range
Cooling: 40 to 80% RH. Heating: 10 to 60% RH.

Dehumidification Setting Range
40 to 80% RH.