Overview
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.
Product Specifications
- Application
- Gas, oil, electric, heat pump, forced warm air, hot water, steam or gravity
- Dimensions (in.)
- 9 5/16 in. High, 4 13/16 in. Wide, 1 5/8 in. Deep
- Dimensions (mm)
- 237.4 mm High, 122.5 mm Wide, 40.6 mm Deep
- Includes
- THM5421R1021 Equipment Interface Module
- Used With
- All THX9421R5021 Prestige® 2-Wire IAQ Thermostats and all versions of Prestige® IAQ Thermostats and the VisionPRO® Thermostats with RedLINK™ technology.
- Item Type
- Product
- Mounting
- Vertical
- Electrical Ratings
- 18 to 30 Vac
- Frequency
- 50 Hz; 60 Hz
- Stages
- Up to 4 Heat / 2 Cool Heat Pump or Up to 3 Heat / 2 Cool Conventional
- Electrical Connections
- Screw terminals
- Operating Humidity Range (% RH)
- 5 to 95% RH, non-condensing
- Supply Voltage
- 18 to 30 Vac
- Operating Temperature Range (F)
- -40 F to 165 F
- Operating Temperature Range (C)
- -40 C to 73.9 C
- Power Method
- Hardwired
- Color
- Gray
- 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
- Cool Current
- 1.0 A running
- Heat Current
- 1.0 A running
- Fan Current
- 0.5A running
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