Aprilaire 8620 installation instructions Table of contents, Installation, Setup & Testing

Model 8620 Thermostat with

Event-Based™Air Cleaning and

Humidity or Ventilation Control

Safety &

Installation

Instructions

READ AND SAVE THESE INSTRUCTIONS

Table of contents

Installation			Setup & Testing
Installation location recommendations	2		Equipment type selection switch (SW1)	. . . . 7
Outdoor temperature sensor (included)	2		Installer setup menu	. . . 7
Remote temperature sensor (optional)	3.		Change system settings	. . . . 7
Thermostat mounting	3		HVAC installer system settings table	. . 8. -9
Power & reset options	4		Indoor Air Quality system settings tables	. . . 10
Wiring terminal	4.	. . . .	Air cleaning sytem settings table	. . 10. . . .
			Humidifier system settings table	. . . 10
WIRING DIAGRAMS			Dehumidifier system settings table	. . . 11
Conventional heat/cool single transformer . .	5		. . .Ventilation system settings table	11-12
			Climate map for ASHRAE fresh air setup . . . .	. . . 12
Conventional heat/cool two transformer . .	5.
		. .	Removal of Indoor Air Quality control buttons	. . .13
Heat pump single transformer	5
			System test menu	13. .-14. .
Heat pump two transformer	5.
			System. test tables	15-16
Indoor Air Quality equipment – dehumidifier	6
Indoor Air Quality equipment – humidifier	6
			References
Indoor Air Quality equipment – ventilation	6
			Quick reference to controls & display	. . . 17
			Troubleshooting	. . . 18.
			Error codes	. . . 19
			Thermostat features	. . 19
			Specifications	. . . 20