Aprilaire 8800 User manual

Model 8800 Universal
Communicating Thermostat
READ AND SAVE THESE INSTRUCTIONS
Owner’s Manual
Includes
Operating Instructions and
Warranty Information
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2
Thermostat features ...........................3
Controls & display overview ...................4-5
TABLE OF CONTENTS
ABOUT YOUR NEW THERMOSTAT
OPERATION
Select system mode (HEAT/COOL) ................6
Change temperature set point....................6
Select fan setting (ON/AUTO/CIRC) ...............7
Clean screen .................................7
Maintenance reminders.........................7
Battery replacement ...........................8
PROGRAMMING
Set time and date ............................12
Understanding program schedules ............13-14
Progressive recovery ..........................14
Changing program schedules ................15-16
Program schedule holds
Temporary ................................17
Permanent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Vacation...............................18-19
SETUP MENU
How to enter the setup menu
to change settings ............................20
User system settings table ..................21-22
WARRANTY
Limited warranty .............................23
Warranty registration..........................23
Humidistat control screen .......................9
How to enter the setup menu
to change Humidistat Mode ....................10
HUMIDISTAT FUNCTIONS
Network override .............................11
Security ....................................11
Status indicators .............................11
NETWORK FEATURES
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WARNING
Do not use sharp instruments to press touch screen. Only use your fingertips.
ABOUT YOUR NEW THERMOSTAT
THERMOSTAT FEATURES














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CONTROLS & DISPLAY OVERVIEW – HOME SCREEN
NOTE:


BUTTON

SETTING

BUTTON

SETTING

  MAIN MENU BUTTON
TEMPERATURE SETTING
TEMPERATURE










HEAT PUMP MODE ONLY
EQUIPMENT
STATUS
MESSAGE
CENTER


ABOUT YOUR NEW THERMOSTAT
ROOM TEMPERATURE 
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CONTROLS & DISPLAY OVERVIEW – MAIN MENU
ABOUT YOUR NEW THERMOSTAT

BUTTON

CLEAN SCREEN
(LOCKOUT TOUCH SCREEN

SET CURRENT TIME





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OPERATION
Press [MODE] to select:
EM HEAT: (only for heat pumps with auxiliary heat)
Thermostat controls auxiliary heat. Heat pump will not
operate in EM HEAT mode.
HEAT: Thermostat controls only the heating system.
OFF: Heating and cooling systems are off.
COOL: Thermostat controls only the cooling system.
AUTO: (if enabled in installer setup) Thermostat
automatically selects heating or cooling depending on
the indoor temperature.
Press [DONE][CANCEL] to exit
without saving. The thermostat will save and exit if
nothing is pressed within 10 seconds.
Press or 
(See Program Schedule Holds on pages 17-19 for more
information.)
SELECT SYSTEM MODE
(EM HEAT/HEAT/OFF/COOL/AUTO)
CHANGE TEMPERATURE SET POINT
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Press [MENU] to enter the main menu.
Press [CLEAN SCREEN] to disable the touch screen
for 30 seconds for cleaning.
Note: Use a soft damp cloth to clean the screen. Use

directly on the screen.
CLEAN SCREENSELECT FAN SETTING (ON/AUTO/CIRC)
Press [FAN] to select:
ON:
air circulation/cleaning.
AUTO:
system is on.
CIRC:
least 20 minutes per hour. Use this mode for a balance
of energy savings and air circulation/cleaning.
Press [DONE][CANCEL] to exit
without saving. The thermostat will save and exit if
nothing is pressed within 10 seconds.
OPERATION
When the fan mode is changed during a program event
it remains in that mode until the next event starts. The

run continuously through all events.
MAINTENANCE REMINDERS
Maintenance reminders are set up by the installer to


dealer for service. They can be cleared by pressing
[MENU][Next] to clear
each reminder.
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OPERATION

thermostat is a 24VAC powered device with a battery
back-up for the clock.
The thermostat has a memory backup that saves the
thermostat’s settings in case of a power interruption.
The system settings will be retained but the clock will
reset after 90 seconds with no battery or AC power.
Replace the batteries every year or when the low
battery indicator comes on.
The reset button located under the battery cover can be
used to reset the thermostat to factory defaults.
RESET
BUTTON
BATTERY REPLACEMENT
WARNING
The reset button should only be used by the installer.
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CURRENT TIME

MAIN MENU BUTTON




HUMIDISTAT FUNCTIONS

The Model 8800 has the option of being configured as a humidistat that can control a humidifier and dehumidifier.
Note: Humidistat mode is selected in the user setup menu.
HUMIDISTAT CONTROL SCREEN
 
MESSAGE
CENTER


61000762A 8800 Tstat Owners.indd 9 3/28/11 4:20:03 PM

10
HUMIDISTAT FUNCTIONS
HOW TO ENTER THE SETUP MENU TO CHANGE HUMIDISTAT MODE
Press [MENU] to enter the main menu.
Press [SETUP] to enter the setup menu.
Press or 
flashes.)
Press [DONE][CANCEL] to exit
without saving.
The thermostat will discard changes and exit if nothing
is pressed within 60 seconds.
Press [Next] or [Back]
until you get to the Humidistat Mode Setting (the
setting is displayed in the message center).
MESSAGE CENTER

61000762A 8800 Tstat Owners.indd 10 3/28/11 4:20:04 PM

11
NETWORK FEATURES
NETWORK OVERRIDE
The network override feature is only available to be enabled when the thermostat is set to non-programmable mode
pressing [HOLD].
SECURITY

thermostat with the master PIN 7777.
STATUS INDICATORS

bars flash across the screen. The message center will display “COMMUNICATION LOST” if the thermostat has not
received communications in the last 15 minutes.

ACROSS SCREEN
61000762A 8800 Tstat Owners.indd 11 3/28/11 4:20:04 PM

12
PROGRAMMING
Press [Next] or to set the minute.
Press [DONE][CANCEL] to exit
without saving. The thermostat will save and exit if
nothing is pressed within 20 seconds.
Press [MENU] to enter the main menu.
Press [SET DATE] to enter date menu.
SET DATE
Press [MENU] to enter the main menu.
Press [SET CLOCK] to enter clock menu.
SET TIME
Press or to set the hour.
Press [Next] or to set the day.
Press [Next] or to set the year.
Press [DONE][CANCEL] to exit
without saving. The thermostat will save and exit if
nothing is pressed within 20 seconds.
Press or to set the month.
61000762A 8800 Tstat Owners.indd 12 3/28/11 4:20:05 PM

13
UNDERSTANDING PROGRAM SCHEDULES
PROGRAMMING
The daily schedule is split into four events:
WAKE: temperature you would prefer to wake up to.
LEAVE: temperature when you are away from the house.
RETURN: temperature you would prefer to return home to.
SLEEP: temperature you would prefer while sleeping.
The times shown in the table below are the defaults. The start time and temperature of each section can be changed
to fit your schedule. (See Changing Program Schedules section on pages 15-16.)

(see table below). These settings are intended to reduce your heating/cooling expenses. The fan program is pre-set
to AUTO for all events.
Event designator Start time
Set temperature
FanHeat Cool
WAKE 6:00AM   AUTO
LEAVE 8:00AM   AUTO
RETURN 5:00PM   AUTO
SLEEP 10:00PM   AUTO
61000762A 8800 Tstat Owners.indd 13 3/28/11 4:20:05 PM

14
UNDERSTANDING PROGRAM SCHEDULES (CONTINUED)
PROGRAMMING

Event designator Start time
Set temperature
FanHeat Cool
 6:00AM   AUTO
 10:00PM   AUTO
PROGRESSIVE RECOVERY

event in order to reach the desired temperature at the start of the next scheduled event.
Example:
temperature is 70° by the time you wake at 6 am.
61000762A 8800 Tstat Owners.indd 14 3/28/11 4:20:06 PM

15
PROGRAMMING
Press [Next] or to set the start time of
the first event.
Press [MENU] to enter the main menu.
Press [SET SCHEDULE] to enter schedule programming.
CHANGING PROGRAM SCHEDULES
Press or to select the day.
Press [Next] or
to set the setpoints of the first event.
Note: This step is not displayed for weekday/weekend
schedules.
61000762A 8800 Tstat Owners.indd 15 3/28/11 4:20:06 PM

16
PROGRAMMING
Press [Next][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.

Press [COPY]
programmed to any other day.
OR
Press [CANCEL] to proceed to the next day and repeat
the above process.
61000762A 8800 Tstat Owners.indd 16 3/28/11 4:20:07 PM

17
PROGRAMMING
TEMPORARY PROGRAM HOLD
Press or 
when the schedule is running. This will temporarily hold
the temperature setting until the next scheduled event.
PROGRAM SCHEDULE HOLDS – TEMPORARY
Press or 

the start of the next event.
press [CANCEL HOLD].
61000762A 8800 Tstat Owners.indd 17 3/28/11 4:20:07 PM

18
PROGRAMMING
PERMANENT PROGRAM HOLD
Press [HOLD] to permanently hold the temperature at
its current setting while the schedule is running. This
will override the temperature settings for all events.


that setting until the hold is cancelled.
press [CANCEL HOLD].
VACATION PROGRAM HOLD
This energy saving feature allows you to suspend the
programmed schedule for extended periods of time. The
temperature you select will be maintained 24 hours a
day until the vacation program hold end date and time.

previously programmed schedule will resume. If you
press [CANCEL HOLD] to
resume the programmed schedule.
Press or

temperature setting.
PROGRAM SCHEDULE HOLDS – PERMANENT
Press [MENU] to enter
the main menu.
Press [SET VACATION]
to enter vacation
program hold.
PROGRAM SCHEDULE HOLDS – VACATION
61000762A 8800 Tstat Owners.indd 18 3/28/11 4:20:08 PM

19
PROGRAMMING
VACATION PROGRAM HOLD (continued)
Press [Next][FAN] to set the fan mode.
Press [Next] or to set end date.
Press [Next] or to set end time.
Press [DONE][CANCEL] to exit
without saving. The thermostat will save and exit if
nothing is pressed within 20 seconds.
PROGRAM SCHEDULE HOLDS – VACATION (CONTINUED)
61000762A 8800 Tstat Owners.indd 19 3/28/11 4:20:09 PM

20
SETUP MENU
HOW TO ENTER THE SETUP MENU TO CHANGE SETTINGS
Press [MENU] to enter the main menu.
Press [SETUP] to enter the setup menu.
Press or 
flashes.)
Press [DONE][CANCEL] to exit
without saving.
The thermostat will discard changes and exit if nothing
is pressed within 60 seconds.
Press [Next] or [Back] to page through the settings
(the setting is displayed in the message center).
MESSAGE CENTER

61000762A 8800 Tstat Owners.indd 20 3/28/11 4:20:09 PM