AprilAire 8620 Manual - Free PDF Download

Page 2 - WARNING; TABlE Of CONTENTS

2 3 WARNING Do not use sharp instruments to press touch screen. Only use your fingertips. Thermostat features . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Controls & display overview . . . . . . . . . . . . . . . . . . . 4-5 TABlE Of CONTENTS ABOUT yOUR NEW THERMOSTAT OpERATION INDOOR ...

Page 3 - CONTROlS & DISplAy OVERVIEW – HOME SCREEN; CONTROlS & DISplAy OVERVIEW – MAIN MENU; ABOUT yOUR NEW THERMOSTAT

4 5 CONTROlS & DISplAy OVERVIEW – HOME SCREEN ABOUT yOUR NEW THERMOSTAT CONTROlS & DISplAy OVERVIEW – MAIN MENU ABOUT yOUR NEW THERMOSTAT NOTES: BACkLIgHT Is ACTIVATED wITH fIrsT BUTTon PrEss AnD AUToMATICALLy TUrns off. noT ALL BUTTons wILL BE DIsPLAyED In EVEry InsTALLATIon. FAN MODE BUTTO...

Page 5 - The reset button should only be used by the installer.

8 9 OpERATION MAINTENANCE REMINDERS Maintenance reminders are set up by the installer to indicate when the equipment is due for service. If a maintenance reminder is displayed, call your HVAC dealer for service. They can be cleared by pressing [MENU] to enter the main menu . press and select yEs to ...

Page 6 - AIR ClEANING; INDOOR AIR QUAlITy fUNCTIONS; Air Cleaning Screen

10 11 INDOOR AIR QUAlITy fUNCTIONS press [AIR ClEANING] on the Home screen to enter the Air Cleaning screen . If installed, air cleaning can operate in five different modes . Air cleaning will activate the fan for the purpose of air cleaning . Off: The air cleaner will not call the fan for the purpo...

Page 7 - on the Home screen to

12 13 INDOOR AIR QUAlITy fUNCTIONS press [HUMIDITy CONTROl] on the Home screen to enter the Humidity Control screen . The Humidity Control screen is used to access control for both humidification and dehumidification.If humidification is installed it can be controlled in two modes, automatic or manu...

Page 8 - HUMIDITy CONTROl; it is important to anticipate a drop in; Outdoor Temperature/ Indoor Relative Humidity; Outside Temperature; Humidity Control Screen for Humidification in Manual Mode

14 15 INDOOR AIR QUAlITy fUNCTIONS HUMIDITy CONTROl (CONTINUED) In manual mode it is important to anticipate a drop in outdoor temperature and reduce the setting accordingly to avoid excessive condensation . Use the following table to determine the proper relative Humidity setting . Outdoor Temperat...

Page 9 - the thermostat can; Raise the setting if you prefer the air to be; this will reduce the amount of time that; lower the setting if you prefer the air to be; this will increase the amount of time that

16 17 INDOOR AIR QUAlITy fUNCTIONS HUMIDITy CONTROl (CONTINUED) If dehumidification is installed the thermostat can be configured, through the installer set-up, to control dehumidification with either a whole home dehumidifier or with the air conditioner (cooling unit) . The thermostat will allow yo...

Page 10 - Humidity Control Screen with only Dehumidification Installed; , the thermostat will cool up to 3°f beyond the cooling

18 19 INDOOR AIR QUAlITy fUNCTIONS Humidity Control Screen with only Dehumidification Installed HUMIDITy CONTROl (CONTINUED) DEHUMIDIfICATIon sETPoInT DEHUMIDIfIEr ADJUsTMEnT DONE BUTTON (EXIT HUMIDITy ConTroL) INDOOR AIR QUAlITy fUNCTIONS HUMIDITy CONTROl (CONTINUED) If dehumidification is done wit...

Page 11 - on the Home screen to enter the; fRESH AIR; fresh Air Screen

20 21 INDOOR AIR QUAlITy fUNCTIONS press [fRESH AIR] on the Home screen to enter the Fresh Air screen . If ventilation is installed, Fresh Air can operate in four different modes . Off: Ventilation will not run . Automatic: Ventilation will cycle based on the parameters set by the installer to meet ...

Page 12 - SET TIME AND DATE; pROGRAM SCHEDUlE AND HOlDS

22 23 pROGRAM SCHEDUlE AND HOlDS press [MENU] to enter the main menu . press [SET ClK/DATE] to enter clock menu . SET TIME AND DATE press or to set the hour . press [Next] , then or to set the minute . press [Next] , then or to set the month . press [Next] , then or to set the day . press [Next] , t...

Page 13 - UNDERSTANDING pROGRAM SCHEDUlES; pROGRESSIVE RECOVERy; CHANGING pROGRAM SCHEDUlES

24 25 Event designator Start time Set temperature fan Heat Cool WAKELEAVE RETURN sLEEP UNDERSTANDING pROGRAM SCHEDUlES (CONTINUED) pROGRAM SCHEDUlE AND HOlDS optionally, the thermostat can be set to a two event schedule. (see setup Menu on page 31.) Use the table below to assist in modifying the sch...

Page 14 - – TEMpORARy

26 27 pROGRAM SCHEDUlE AND HOlDS press [Next] , then [fAN] to set the fan mode of the first event . CHANGING pROGRAM SCHEDUlES (CONTINUED) press [Next] to advance to the next event . repeat above process for each remaining event. press [DONE] to save the schedule for the day . The thermostat will di...

Page 15 - – pERMANENT; – VACATION

28 29 pROGRAM SCHEDUlE AND HOlDS pERMANENT pROGRAM HOlDpress [HOlD] to permanently hold the temperature at its current setting while the schedule is running . This will override the temperature settings for all events . with the thermostat in Permanent Hold, the temperature setting and fan mode can ...

Page 16 - pROGRAM SCHEDUlE HOlDS; SETUp MENU; HOW TO ENTER THE SETUp MENU TO CHANGE SETTINGS

30 31 pROGRAM SCHEDUlE AND HOlDS press [Next] , then or to set end date . press [Next] , then or to set end time . press [DONE] to save and exit, Or [CANCEl] to exit without saving . The thermostat will save and exit if nothing is pressed within 20 seconds . pROGRAM SCHEDUlE HOlDS – VACATION (CONTIN...

Page 17 - USER SySTEM SETTINGS TABlE; bold

32 33 USER SySTEM SETTINGS TABlE SETUp MENU The following table is the list of the settings and their details. Default settings are shown in bold . User system setting Description factory default setting (bold) and setting range Temperature scale Set the thermostat to Fahrenheit or Celsius mode fahr...

Page 18 - WARRANTy REGISTRATION; THERMOSTAT fIVE yEAR lIMITED WARRANTy

34 Visit us on-line at www.aprilaire.com to register your Aprilaire product . If you do not have on-line access, please mail a postcard with your name, address, phone number, product purchased and date of purchase to: research Products Corporation, P.o. BoX 1467, Madison, wI 53701 your Warranty Regi...