Honeywell - THM5421R1021 - Equipment Interface Module Controls.

Item: HONTHM5421R1021
MFG: THM5421R1021
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Equipment Interface Module Controls.


Equipment Interface Module 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. Three Sets Of Universal IAQ Contacts To Control Humidification, Dehumidification, and Ventilation. Four Sensor Inputs For Wired Sensors or Dry Contact Devices.

California residents: see Proposition 65 Warning

Features and Specification

Includes THM5421R1021 Equipment Interface Module
Mounting Vertical
EAN 0085267328180
Electrical Connection Screw Terminals
Electrical Rating 18 to 30 VAC
For Use With All THX9421R5021 Prestige® 2-Wire IAQ Thermostats and all versions of Prestige® IAQ Thermostats and the VisionPRO® Thermostats with RedLINK„¢ technology.
Stages Cool 2
Stages Heat 3
Terminal Designations R, 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
UPC 085267328180
Voltage 18-30 VAC
Warranty Offered Yes
Package Width 2.2500
Operating Temperature Range -40°F to 165°F (-40°C to 73.8°C)
Package Height 5.7500
Package Length 9.8000
Package Weight 0.9500
Power Method Hardwired
Shape Rectangle
Application Gas, oil, electric, heat pump, forced warm air, hot water, steam or gravity
Brand Honeywell