Aprilaire 8400 series Owner's Manual
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Aprilaire 8400 series Owner's Manual

Aprilaire thermostat user manual
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See also: Instruction and Installation Manual
8400 Series Thermostats
Owner's Manual
Includes
Operating Instructions and

Warranty Information

READ AND SAVE THESE INSTRUCTIONS
61000651B 8400 Tstat Owners.indd 1
7/23/09 10:43:00 AM

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Summary of Contents for Aprilaire 8400 series

  • Page 1: Warranty Information

    8400 Series Thermostats Owner’s Manual Includes Operating Instructions and Warranty Information READ AND SAVE THESE INSTRUCTIONS 61000651B 8400 Tstat Owners.indd 1 7/23/09 10:43:00 AM...

  • Page 2: Table Of Contents

    Warranty registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 61000651B 8400 Tstat Owners.indd 2...

  • Page 3: About Your New Thermostat

    • E asy to use temperature control can override program schedule at any time • E nergyStar compliant to reduce your heating/cooling ® expenses • P rogressive recovery 61000651B 8400 Tstat Owners.indd 3 HOw TO IDENTIfy yOUR THERmOSTAT’S mODEl NUmbER To locate the model number, remove the battery cover. MODEL NUMBER model 8444 H eat/Cool Non-Programmable model 8446 H eat Pump Non-Programmable model 8448 H eat/Cool or Heat Pump Multi-Stage...

  • Page 4: Non Programmable Models (8444, 8446, 8448)

    CONTROlS & DISplAy OVERVIEw – mODElS 8444, 8446, 8448 CURRENT INDOOR TEMPERATURE SySTEM MODE SETTINg SySTEM MODE (PAgE 6) FAN SETTINg (PAgE 7) FAN SETTINg BATTERy DOOR MESSAgE CENTER NOTE: BACkLIgHT IS ACTIVATED WITH FIRST BUTTON PRESS AND AUTOMATICALLy TURNS OFF. 61000651B 8400 Tstat Owners.indd 4 OUTDOOR TEMPERATURE (OPTIONAL) TEMPERATURE SETTINg EQUIPMENT STATUS DOWN HEAT pUmp mODElS ONly EMERgENCy HEAT (RED) SySTEM FAULT (yELLOW) INDICATOR SHOWS THROUgH HOUSINg QUICk REFERENCE CARD LOW BATTERy WARNINg (PAgE 7) 7/23/09 10:43:02 AM...

  • Page 5: Programmable Models (8463, 8465, 8466)

    CONTROlS & DISplAy OVERVIEw – mODElS 8463, 8465, 8466 CURRENT INDOOR TEMPERATURE SySTEM MODE SETTINg FAN SETTINg SySTEM MODE (PAgE 6) FAN SETTINg (PAgE 7) PROgRAM CURRENT SCHEDULE PERIOD (PAgE 8) BATTERy DOOR MESSAgE CENTER NOTE: BACkLIgHT IS ACTIVATED WITH FIRST BUTTON PRESS AND AUTOMATICALLy TURNS OFF. 61000651B 8400 Tstat Owners.indd 5 CURRENT TIME OUTDOOR TEMPERATURE (OPTIONAL) TEMPERATURE SETTINg EQUIPMENT STATUS DOWN HOLD HEAT pUmp mODElS ONly EMERgENCy HEAT (RED) SySTEM FAULT (yELLOW) INDICATOR SHOWS THROUgH HOUSINg QUICk REFERENCE CARD LOW BATTERy WARNINg (PAgE 7) 7/23/09 10:43:02 AM...

  • Page 6: Operation (All Models)

    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 controls only the cooling system. Em-HEAT: Thermostat controls emergency/auxiliary heat. Heat pump will not operate. (only for heat pumps with auxiliary heat on models 8446, 8465, and 8466) 61000651B 8400 Tstat Owners.indd 6 CHANgE TEmpERATURE SETTINg Applies to programmable versions (8463, 8465, 8466) when in HOLD mode. press or to adjust the current setting. In AUTO use to switch between the HEAT and COOL setting. 7/23/09 10:43:03 AM...

  • Page 7: Select Fan Setting (On/Auto/Circ)

    All mODElS 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 minute cycle. Use this mode for a balance of energy savings and air circulation/cleaning. 61000651B 8400 Tstat Owners.indd 7 RESET SERVICE REmINDER mESSAgES press and hold and together for three seconds to reset a service reminder message. bATTERy INSTAllATION AND RESET bUTTON The thermostat can either be AC or battery powered, or both. When wired to be AC powered, the batteries are optional and only provide backup power to the clock. The thermostat has a memory backup that saves the thermostat’s settings in case of a power interruption.

  • Page 8: Programmable Models Only (8463, 8465, 8466)

    3 . press , the minutes flash. press to adjust the minutes. 4. press , the day flashes. press 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. 61000651B 8400 Tstat Owners.indd 8 pROgRAmmAblE mODElS ONly (8463, 8465, 8466) UNDERSTANDINg pROgRAm SCHEDUlES The daily schedule is split into four sections: wAKE: 6am-8am – Temperature you would prefer to wake up to, until you leave for the day. lEAVE: 8am-5pm – Temperature when you are away from the house during the day. RETURN: 5pm-10pm – Temperature you would prefer to return to, until bedtime. SlEEp: 10pm-6am – Temperature you would prefer during the night. The times shown are the defaults. The start time and temperature of each section can be changed to fit your schedule (see page 10).

  • Page 9: Progressive Recovery

    UNDERSTANDINg pROgRAm SCHEDUlES Event Event designator WAkE LEAVE RETURN SLEEP pROgRESSIVE RECOVERy The Progressive Recovery feature allows the thermostat to activate the heating and cooling equipment prior to an event in order to reach the desired temperature at the start of the next scheduled event. 61000651B 8400 Tstat Owners.indd 9 pROgRAmmAblE mODElS ONly (8463, 8465, 8466) (CONTINUED) Set temps Start time Heat 6:00AM 70°F (21°C) 8:00AM 62°F (17°C) 5:00PM 70°F (21°C) 10:00PM 62°F (17°C)

  • Page 10: Changing Program Schedules

    CHANgINg pROgRAm SCHEDUlES 1 . press twice to enter program setting mode. Start time of the WAkE event is flashing. 2 . press or to adjust the start time 3 . press , HEAT setting flashes. press to adjust the heat setting. 61000651B 8400 Tstat Owners.indd 10 pROgRAmmAblE mODElS ONly (8463, 8465, 8466) 4. press , COOL setting flashes. press to adjust the cool setting. 5. press to advance the next event, and repeat steps 2-5 for LEAVE, RETURN and SLEEP events. or 6. press to change to weekend program. Repeat...

  • Page 11: Program Schedule Overrides (Temporary, Permanent)

    SCHEDUlE OVERRIDES (TEmpORARy, pERmANENT) Temporary program override press or to immediately adjust the temperature. This will temporarily override the temperature setting for the current programmed time period. The new temperature setting will be maintained until the next time period of the programmed schedule. To cancel the temporary override, adjust the temperature setting back to the programmed temperature. 61000651B 8400 Tstat Owners.indd 11 pROgRAmmAblE mODElS ONly (8463, 8465, 8466) permanent program override press to permanently hold the temperature at its current setting. This will override the temperature settings for all time periods of the programmed schedule. With the thermostat in permanent override the thermostat temperature can be manually adjusted and will stay at that setting until the override is cancelled. To cancel the permanent override press 7/23/09 10:43:09 AM...

  • Page 12: Limited Warranty

    This equipment if installed in strict accordance with the manufacturer’s instructions, complies with the limits for a Class B computing device pursuant to Subpart J of Part 15 of FCC Rules. wARRANTy REgISTRATION 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, phone number, product purchased and date of purchase to: Research Products Corporation, P.O. BOX 1467, Madison, WI 53701 your warranty Registration information will not be sold or shared outside of this company. P.O. BOX 1467 • MADISON, WI 53701-1467 • www.aprilaire.com 61000651B 8400 Tstat Owners.indd 12 Thermostat unit is expressly warranted for five (5) years from date of installation to be free from ® RESEARCH PRODUCTS CORPORATION 61000651 7.09 B2204776B 7/23/09 10:43:09 AM...

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