READ AND SAVE THESE INSTRUCTIONS
Safety &
Installation
Instructions
TABLE OF CONTENTS
Installation location recommendations.............2
Outdoor temperature sensor (included).............2
Remote temperature sensor (optional) .............3
Thermostat mounting...........................3
Power & reset options..........................4
Wiring terminal ...............................4
INSTALLATION
SETUP & TESTING
REFERENCES
WIRING DIAGRAMS
Equipment type selection switch (SW1) ............7
Installer setup menu ...........................7
Change system settings.........................7
HVAC installer system settings table ............8-9
Indoor Air Quality system settings tables..........10
Air cleaning sytem settings table ..............10
Humidifier system settings table ...............10
Dehumidifier system settings table .............11
Ventilation system settings table............11-12
Climate map for ASHRAE fresh air setup ..........12
Removal of Indoor Air Quality control buttons ......13
System test menu .........................13-14
System test tables.........................15-16
Quick reference to controls & display.............17
Troubleshooting ..............................18
Error codes ..................................19
Thermostat features ..........................19
Specifications................................20
Conventional heat/cool single transformer..........5
Conventional heat/cool two transformer ...........5
Heat pump single transformer....................5
Heat pump two transformer .....................5
Indoor Air Quality equipment – dehumidifier . . . . . . . . 6
Indoor Air Quality equipment – humidifier . . . . . . . . . . 6
Indoor Air Quality equipment – ventilation..........6
Model 8620W Thermostat with
Wi-Fi, Event-Based
™
Air Cleaning and
Humidity or Ventilation Control
Wi-Fi Setup ..................................2
WI-FI SETUP
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