T8501D DELUXE ZONE THERMOSTAT
The Installer Setup is used to customize the thermostat to
specific systems. Some of the options include temperature
display, changeover and outdoor temperature display.
Installer Setup numbers are listed in Table 2. The table
includes all the configuration options and the factory
settings for the T8501.
SETTINGS
System and Fan Settings
System settings control the thermostat operation as
follows:
Heat: The thermostat controls the heating.
Off: Both the heating and cooling are off.
Cool: The thermostat controls the cooling.
Auto: The thermostat automatically changes between
heating and cooling operation, depending on the
indoor temperature.
A combination of key presses are required to use the
Installer Setup feature.
—
To enter the Installer Setup, press and hold the
Information key with the increase ▲ and decrease
i
▲ keys until the first number is displayed. All display
segments appear for approximately three seconds
before the number is displayed. See Fig. 9 and 10.
To advance to the next Installer Setup, press the
Information i key.
To change a setting, use the increase ▲ and de-
crease ▲ keys.
Fan settings control the system fan as follows:
On: Fan operates continuously.
Auto: Fan operates with equipment.
—
—
—
The system default setting is Heat and the fan default
setting is Auto. Use the keyboard to change to the desired
settings. See Fig. 8.
To exit the Installer Setup, press and hold the
Information i key until the display returns to normal
approximately three seconds). The display will scroll
(
the numbers backwards to get to the normal display.
The Installer Setup is automatically exited if no key
presses are made for ten minutes.
i
System
System
Fan
Em Ht Temporary Setting
Aux Ht
Remote
Room
Press to select
heating or cooling
equipment.
Press to select
heating or cooling
equipment.
Em. Ht.-Emergency heating
Heat— Heating equipment
On— Fan runs continuously
Auto—Fan runs when
heating or cooling
Off
— No equipment
System
Fan
Cool—Cooling equipment
Auto—Thermostat
automatically selects
heating and cooling
equipment.
equipment operates
Fan
%Humid
Outdoor
Heat Cool
Repl
1
Batt
Wait
System
Fan
Em HeatOffCool Auto Only OnAuto
M4844
1
CHECK LIGHT ON SELECT MODELS
M10147
Fig. 9. Display of all the segments of the LCD.
Fig. 8. Thermostat System and Fan key location.
INSTALLER SETUP
MODE NUMBER DISPLAY
(
COLUMN 2 OF TABLE 2)
NOTE: Always press the keys with your fingertip or
similar blunt tool. Sharp instruments like a pen or
pencil point can damage the keyboard.
FACTORY SETTING OR
OTHER CHOICE DISPLAY
COLUMN 3 OR 5 OF TABLE 2)
(
Temperature Settings
The default setpoint for heat is 70°F (21°C) and for cool is
7
8°F (25.5°C). Press the increase ▲ or decrease ▲ key to
change the present setting to change between heat and
cool, press the Information key until the setting to be
i
changed appears. Press the increase ▲ or decrease ▲
key to adjust the setting.
M10105A
INSTALLER SETUP
Fig. 10. Display of Installer Setup number and setting.
NOTE: For most applications, the thermostat factory-
settings will not need to be changed. Review the
factory settings in Table 2 and if no changes are
necessary, go to the Installer System-Test
section.
IMPORTANT
Only configurable numbers are shown on the
device. Example: If thermostat does not have
outdoor temperature capability, Installer Setup
Number 24 will not be displayed. Review Table 2
factory-settings and mark any desired changes in
the Actual Settings column. When Installer Setup
is complete, review the settings to confirm that
they match the system.
69-1049—1
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