W8635 Equipment Interface Module
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Installation manual
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Technical guide
The W8635A/B Equipment Interface Module provides 24VAC control of single- or multi-stage HVAC equipment when used with a T8635L Microelectronic Communicating Thermostat.
The W8635A works with up to 2 heat/2 cool conventional applications. The W8635B works with up to 2 heat/1 cool heat pump applications.W8635A controls conventional gas, oil or electric heat systems
.W8635B controls single-stage or multi-stage heat pumps.
Uses Honeywell Enviracom™ communications protocol.
W8635A1006Product Specifications Application Controls gas, oil or electric heat conventional systems
Network Zoning Yes
Zones Single or Multi Zone Number of Stages Up to 2 heat/2 cool
Heat Pump Compatible No
Compatible with Discharge Air Temperature Yes
Color Gray
Voltage 24 Vac LED Indicators Yes
Individual Zone fan control Yes
Switches (System) HEAT-OFF-COOL-AUTO Terminal Designations 1, 2, 3, C, R, Rh, Rc, G, W1,W2, Y1, Y2
Dimensions (in.) 4 3/4 in. high, 4 3/16 in. wide, 1 1/4 in. deep Dimensions (mm) 121 mm high, 107 mm wide, 32 mm deep
Mounting No. 6 screw and wall anchors supplied in bag assembly
Electrical Ratings (Vac) 20 to 30 Vac Frequency (Hz) 50 Hz, 60 Hz Humidity Ratings (% RH) 5% RH to 90% RH, non-condensing
Description Equipment Interface Module (for single and multistage conventional systems)
