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TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS
69-1700 6
OPERATION
System and Fan Settings
The System default setting is Heat and the Fan default
setting is Auto.
SYSTEM Settings
Heat: Thermostat controls heating system.
Off: Both heating and cooling are off.
Cool: Thermostat controls cooling system.
Auto: Thermostat automatically changes between
heating and cooling systems, depending on indoor
temperature. (See Installer Setup section.)
FAN Settings
The Fan setting can be programmed into the thermostat
schedule for each period (Wake, Leave, Return, Sleep).
See the Owners’ Guide for additional information.
Preprogrammed Settings
Table 3 shows the default program settings. See Owners’
Guide for complete instructions on changing the
program.
INSTALLER SETUP
This Universal Thermostat works with many different
system types. To operate correctly, the thermostat must
be set up to operate the installed heating and/or cooling
system.
Installer Setup Menus
Main Menu: Offers the most commonly used options.
It is necessary to enter this menu to set the
thermostat to the type of system it is operating. Many
applications use only the Main Menu.
Regional Menu: Offers choices often changed due to a
particular area or region. For example, temperature
display in Fahrenheit or Celsius is offered in this menu.
Advanced Settings Menu: Offers more settings to fully
customize the thermostat. Many of these settings do not
require changing from the factory settings.
Entering Installer Setup
1. Thermostat must be powered either with Alkaline
AAA batteries or with 24 Vac Common wire.
2. From the home screen, press System key. (Press
Done or Cancel key to return to home screen.)
3. Five blank touch keys show on the bottom of the
screen between the Done and Cancel keys. Press
and hold the two blank keys on either side of the
center blank key for approximately five seconds
until screen changes. See Fig. 16.
Fig. 16. Entering Installer Setup.
4. The Installer Setup Number is displayed in the
lower left. It is a four-digit code beginning with zero.
The factory setting or other choice selection is dis-
played in the lower right. See Fig. 17. This is a two-
digit code shown in the Option column of Table 4.
Fig. 17. Installer Setup Number and factory setting
selection locations.
Changing Installer Setup Selections
1. Advance to the next Installer Setup Number by
pressing the up and down arrow keys to the right of
the four-digit Installer Setup Number. See Fig. 17.
2. Change the factory Setting Options by pressing the
up and down arrow keys right of the two-digit code
selection. See Fig. 17.
Table 3. Default Program Settings.
Schedule
Period Time
Setpoints
Fan
SettingHeat Cool
Wake 6:00AM
70
°
F
(21
°
C)
78
°
F
(25.5
°
C)
Auto
Leave 8:00AM
62
°
F
(16.5
°
C)
85
°
F
(29.5
°
C)
Auto
Return 6:00PM
70
°
F
(21
°
C)
78
°
F
(25.5
°
C)
Auto
Sleep 10:00PM
62
°
F
(16.5
°
C)
82
°
F
(28
°
C)
Auto
D
O
N
E
CANCEL
MON
T
UE
WED
THU
FRI
SA
T
A
A
T
SUN
PM
S
Y
S
TE
M
EM HEAT
O
F
F
COOL
Followin
g
Sc
h
edu
l
e
In
s
i
de
Se
t T
o
M19923
DONE
O
MON
WED
THU
FRI
SA
T
A
A
T
SUN
INSTALLER
SETUP NUMBER
FACTORY
SETTING
ADVANCE TO NEXT
INSTALLER SETUP
PRESS TO EXIT
INSTALLER SETUP
CHANGE THE
FACTORY
SETTING
M19922
A
U