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

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