AprilAire 8620 - Manuals

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...

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...

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...

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...

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...

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 ...

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...

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...

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...

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 ...

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...

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...

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...