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Summary of Contents for Sensi 1F96U-42WF Series
- Page 1 SENSI TOUCH 2 SMART THERMOSTAT ™ Humidification & dehumidification setup guide Models: 1F96U-42WF series, ST76 series © 2022 Emerson Electric Co. All rights reserved Version: Sep 2022 R-5615...
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Page 2: Humidity Control
Sensi Touch 2 is compatible with low voltage wired humidification and dehumidification systems. To set the thermostat up for humidity control, configure Sensi for additional accessories in the HVAC Equipment settings. Then you can adjust the humidity control setpoint from the thermostat or in the Sensi app. Cooling systems without a dehumidification option can also use our Optimal Dehumidification feature that allows overcooling to increase dehumidification. - Page 3 Zone panel or 3-wire hot water zone O or B in the installer menu) valve connection. (configurable as O, B or 6 in the installer menu) ACCESSORY (+/-) Used for humidifiers Used for humidifiers Sensi Touch 2 smart thermostat | HUMIDITY CONTROL GUIDE...
- Page 4 • Use the +/- buttons to adjust the humidity percentage that you want to control to in the home. It can be set in increments of 5% • Tap the back arrow when you’re done Sensi Touch 2 smart thermostat | HUMIDITY CONTROL GUIDE...
- Page 5 • Tap on the settings gear • Tap on System Settings • Scroll down to the Humidity Control to adjust either the Humidification setpoint or the Dehumidification setpoint.Tap the back arrow to save changes Sensi Touch 2 smart thermostat | HUMIDITY CONTROL GUIDE...
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Page 6: Frequently Asked Questions
W2/* terminal is for dehumidification control. What types of humidifiers and Humidifiers – Sensi is designed to control typical 24VAC humidifiers. Currently dehumidifiers are compatible? it does not support humidifiers designed to cycle when the heat is not operating. - Page 7 1 wire control is typically used to energize one side of a solenoid coil that already has the other side of a relay or solenoid coil attached to the common on the 24 VAC HVAC transformer. Sensi Touch 2 smart thermostat | HUMIDITY CONTROL GUIDE...
- Page 8 2 wire control is typically used on systems where the accessory Humidifier has its own built- in transformer and is not powered by the HVAC transformer connected to the thermostat. ACC+ and ACC- provide low voltage humidistat switch contacts that close on call for humidification. Sensi Touch 2 smart thermostat | HUMIDITY CONTROL GUIDE...
- Page 9 Wired dehumidification cannot be configured with two stage heating systems. If you’re unable to configure the thermostat for wired dehumidification, use the installer menu to make sure the HVAC Equipment for Indoor is set for single stage. DHM/DHUM TERMINAL ON CONTROL MODULE THERMOSTAT FURNACE/AIR HANDLER TERMINAL STRIP Sensi Touch 2 smart thermostat | HUMIDITY CONTROL GUIDE...
- Page 10 FURNACE/AIR HANDLER TERMINAL STRIP RELAY 90 293Q OR EQUIVALENT DEHUM SPEED FAN HEAT FAN OUTPUT COOL FAN OUTPUT 1. NORMAL COOL SPEED POSITION DHM ENERGIZED 2. DEHUM SPEED MODE DHM DE ENERGIZED Sensi Touch 2 smart thermostat | HUMIDITY CONTROL GUIDE...
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