Controlled Air Systems T20 / T22 DIGITAL Thermostats
Controlled Air Systems T20 / T22 DIGITAL Thermostats. Gas / Oil / Electric Heat, Water Source Heat Pump and Hydronic Heat systems. ENERGY SAVING Adjustable Temperature Limits. Single Stage and Multi-Stage models available.
T20 / T22 SERIES DIGITAL THERMOSTAT PRODUCT FEATURES
Large Display System Indicators - Icons display when system is running in heat or cool.
Large Push Buttons - Warmer / Cooler adjustment buttons are easily accessible on the front of the thermostat.
System / Fan Switches - Slide switches make it easy to select Fan On (Continuous) / Auto position.
Low Battery Warning (Battery Powered Units)
Comfort / Savings Button - Thermostat allows preset temperatures for both Comfort and Savings selection buttons. Use Comfort when occupied / Savings when unoccupied or manually initiated setback.
Temperature Limits - Adjustable heat and cool limits can be selected to limit heat and cool settings.
T20 / T22 SERIES DIGITAL THERMOSTAT SPECIFICATIONS
T20 - SINGLE STAGE / T22 - MULTI STAGE
Temperature Range - 40F to 90F Accuracy +/- 1F
Operating Differential - 1F (adjustable 0.5F to 2.0F)
Safety Thermostat - Fixed at 40F
Supply Power - 24 VAC or Battery (2 AA batteries)
Current Load - 1.0 Amp @ 24 VAC/DC
Time Delay - 3 min. off
Back-up Memory - Non-Volatile on 24 VAC models
T20 / T22 SERIES DIGITAL THERMOSTAT MODEL SELECTION GUIDE
T20-A3B11 (Battery Powered) Heat / Off / Cool - Fan Selection Auto / On
T20-B3B11 (24 VAC Common Required) Heat / Off / Cool - Fan Selection Auto / On
T20-B4B11 (Water Source Heat Pump) Heat / Off / Cool / Emh - Fan Selection Auto / On
T22-B3B11 - 2 Stage Heat / 1 Stage Cool
(24VAC Common Required) Heat / Off / Cool - Fan Selection Auto / On


