Field Controls EvenAir T21 Installation And User Manual Download Page 1

P/N 780101703 3/18 Rev A

www.fieldcontrols.com

This device MUST be installed by a qualified agency in accordance with the manufacturer’s installation instructions.The definition of 
a qualified agency is: any individual, firm, corporation or company which either in person or through a representative is engaged in, 
and is responsible for, the installation and operation of HVAC applicances, who is experienced in such work, familiar with all the 
precautions required, and has complied with all the requirements of the authority having jurisdiction.

READ THESE INSTRUCTIONS CAREFULLY AND COMPLETELY BEFORE PROCEEDING WITH THE INSTALLATION.

Installed By:_______________________________________

Phone: _____________________

Installation Date: _____________

Please retain these instructions after installation.

The EvenAir WiFi thermostat controls heating, cooling and AIRFLOW to the sleeping and living 
areas in a home and provides remote access to your HVAC system using a smart phone, tablet or 
PC. The thermostat is installed in the downstairs living area, a temperature sensor is installed in the 
upstairs bedroom area and two modulating dampers are installed to control the airflow to the 
living and sleeping area. 

The EvenAir thermostat monitors the temperature at the sensor and the temperature at the 
thermostat every 2 minutes during heating and cooling calls. If the temperatures are different, the 
EvenAir thermostat automatically adjusts the modulating dampers 2% so that more airflow is 
directed to the space that needs it for a uniformly comfortable home.

COMPONENTS:

EvenAir T21WF Thermostat
EvenAir TS51 or TS52 Wired Temperature Sensor(s) (sold separately)
EvenAir AMT Type Motorized Damper, With Terminals (sold separately)

T21WF

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INSTALLATION AND USER MANUAL

THERMOSTAT WITH AIRFLOW CONTROL

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L

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F I

E L

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Living

Tu

Day

Sleeping

Living

Airflow %

COOL

Schedule

AUTO

FAN

MENU

MODE

Cool

Set To

SYSTEM

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Wi

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WiFi

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Summary of Contents for EvenAir T21

Page 1: ...OW to the sleeping and living areas in a home and provides remote access to your HVAC system using a smart phone tablet or PC The thermostat is installed in the downstairs living area a temperature se...

Page 2: ...es on 24VAC from the HVAC equipment using the R and C wires Connects to the home WiFi network to provide remote access via the internet using smart phone tablet or PC FEATURES The airflow to the livin...

Page 3: ...control feature This features allows the homeowner to change the airflow level as desired and hold that level indefinitely This feature needs to be enabled using Installer Option 18 The homeowner then...

Page 4: ...Hold Vacant Changing the Setpoint Temperature The UP DOWN keys are used to change the setpoint temperature Tu Day Airflow Schedule MENU MODE Cool Set To AM Living Living Sleeping 5 Tu Day Airflow Sch...

Page 5: ...ng User Option 1 to change the Night Schedule Start Time Default airflow level upstairs is 130 If a different airflow level is desired use User Option 4 to change the airflow level in heating and User...

Page 6: ...s a User Option Nighttime Airflow Control Set the Nighttime Airflow in Heating will only show if Nighttime Airflow Control is ON Set the Nighttime Airflow in Cooling will only show if Nighttime Airflo...

Page 7: ...anual before installing EvenAir products When servicing EvenAir system or accessing products turn off all power to these items R C WOB EQUIPMENT Y G TS COM COM CLS CLS OPN OPN Sleeping Living W2E Y2 T...

Page 8: ...a the damper may be wired in parallel LEDs on the damper actuator indicate when the damper is fully open green or fully closed red When properly installed the dampers will never fully close Gas Electr...

Page 9: ...nted circuit board and hand tighten screw The TS5 sensor can be installed in a single gang box or directly to the wall using the hardware provided HAND TIGHTEN Printed circuit board Brass washer Use 2...

Page 10: ...4 Heating Stages Htg 0 1 or 2 1 Only displayed if HP selected in Option 1 14 15 16 17 18 19 21 20 22 23 Night Level LCD Backlight Airflow Control On or Off Enable User Airflow Control Up Stage Time Ma...

Page 11: ...s used to display the next option The ENTER key is used to save options and return to normal thermostat operation The hidden BACK key is used to return to previous options and is located to the left o...

Page 12: ...tomatic airflow control on or off If off the dampers fully open nighttime airflow options are disabled and airflow is no longer displayed on the thermostat 17 Airflow Control On or Off Factory Default...

Page 13: ...ing Living Airflow Test Airflow Test NEXT NEXT Sleeping Living FAN ENTER FAN ENTER 03 04 Testing Heating Airflow Limits In TEST 3 the system is Off Touch to go to TEST 4 to activate heating Verify the...

Page 14: ...ure sensor s Check for open wires or shortages ENTER AM Touch the UP DOWN keys to change the HOUR Touch NEXT CHANGE THE HOUR Touch the UP DOWN keys to change the MINUTE Touch NEXT CHANGE THE MINUTE To...

Page 15: ...ting airflow to the sleeping area the airflow is actually directed to the living area and when directing the airflow to the living area the airflow is actually directed to the sleeping area Turn syste...

Page 16: ...rols product visit www fieldcontrols com Field Controls Technical Support 1 800 742 8368 fieldtec fieldcontrols com Phone 252 522 3031 Fax 252 522 0214 www fieldcontrols com Field Controls LLC c Field...

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