Page 2 - TAblE Of CONTENTS
2 Thermostat features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 How to identify your thermostat’s model number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3 - AbOUT yOUR NEw THERmOSTAT; THERmOSTAT fEATURES
3 AbOUT yOUR NEw THERmOSTAT THERmOSTAT fEATURES model 8444 Heat/Cool Non-Programmable model 8446 Heat Pump Non-Programmable model 8448 Heat/Cool or Heat Pump Multi-Stage Non-Programmable model 8463 Heat/Cool 5/2 Day Programmable model 8465 Heat Pump 5/2 Day Programmable model 8466 Heat/Cool or Heat ...
Page 4 - AbOUT yOUR NEw THERmOSTAT – NON-pROgRAmmAblE mODElS
4 CONTROlS & DISplAy OVERVIEw – mODElS 8444, 8446, 8448 NOTE: BACkLIgHT IS ACTIVATED WITH FIRST BUTTON PRESS AND AUTOMATICALLy TURNS OFF. CURRENT INDOOR TEMPERATURE SySTEM MODE SETTINg FAN SETTINg SySTEM MODE (PAgE 6)FAN SETTINg (PAgE 7) BATTERy DOOR MESSAgE CENTER LOW BATTERy WARNINg (PAgE 7) Q...
Page 5 - AbOUT yOUR NEw THERmOSTAT – pROgRAmmAblE mODElS
5 CONTROlS & DISplAy OVERVIEw – mODElS 8463, 8465, 8466 NOTE: BACkLIgHT IS ACTIVATED WITH FIRST BUTTON PRESS AND AUTOMATICALLy TURNS OFF. CURRENT INDOOR TEMPERATURE SySTEM MODE SETTINg FAN SETTINg SySTEM MODE (PAgE 6)FAN SETTINg (PAgE 7) BATTERy DOOR MESSAgE CENTER LOW BATTERy WARNINg (PAgE 7) Q...
Page 6 - OpERATION –; All mODElS; SElECT SySTEm mODE
6 OpERATION – All mODElS SElECT SySTEm mODE (Off/HEAT/Em-HEAT/COOl/AUTO) press to select: AUTO: Thermostat automatically selects heating or cooling depending on the indoor temperature. Off: Heating and cooling systems are off. HEAT: Thermostat controls only the heating system. COOl: Thermostat contr...
Page 7 - press; bATTERy INSTAllATION AND RESET bUTTON; RESET SERVICE REmINDER mESSAgES
7 SElECT fAN SETTINg (ON/AUTO/CIRC) press to select: ON: Fan runs continuously. Use this mode for maximum air circulation/air cleaning. AUTO: Fan runs only when the heating or cooling system is on. CIRC: Same as AUTO, but if the fan has been off for 20 minutes the fan will be activated for a 10 minu...
Page 8 - OpERATION & pROgRAmmINg –
8 SET TImE AND DAy 2 . press or to adjust the hour. 3 . press , the minutes flash. press or to adjust the minutes. 4. press , the day flashes. press or to adjust day. 5. press to end. “DONE” will display. The thermostat will return to normal mode if no key is pressed within 3 seconds. OpERATION &...
Page 9 - UNDERSTANDINg pROgRAm SCHEDUlES
9 Event Event designator Start time Set temps Heat Cool 1 WAkE 6:00AM 70°F (21°C) 78°F (26°C) 2 LEAVE 8:00AM 62°F (17°C) 85°F (29°C) 3 RETURN 5:00PM 70°F (21°C) 78°F (26°C) 4 SLEEP 10:00PM 62°F (17°C) 82°F (28°C) OpERATION & pROgRAmmINg – pROgRAmmAblE mODElS ONly (8463, 8465, 8466) UNDERSTANDINg...
Page 11 - Temporary program override; or; permanent program override; to permanently hold the temperature at
11 pROgRAm SCHEDUlE OVERRIDES (TEmpORARy, pERmANENT) OpERATION & pROgRAmmINg – pROgRAmmAblE mODElS ONly (8463, 8465, 8466) Temporary program override press or to immediately adjust the temperature. This will temporarily override the temperature setting for the current programmed time period. The...
Page 12 - RESEARCH PRODUCTS CORPORATION; ElECTRONIC THERmOSTAT fIVE yEAR lImITED wARRANTy; wARRANTy REgISTRATION
12 RESEARCH PRODUCTS CORPORATION P.O. BOX 1467 • MADISON, WI 53701-1467 • www.aprilaire.com 61000651 7.09 B2204776B Please…Take a few minutes to 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...