Settings; Installer Setup - Honeywell T8511 Manual

T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS

SETTINGS

System and Fan Settings
System settings control the thermostat operation as follows:
Em. Heat (T8511 only): Emergency heat relay is
automatically controlled by the thermostat. The cooling
system is off. The compressor is de-energized.
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.
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. 7 and 8.
System Fan
Press to select Press to select
heating or cooling heating or cooling
equipment. equipment.
Em. Ht.-Emergency heating On— Fan runs continuously
Heat— Heating equipment Auto—Fan runs when
System
Off — No equipment heating or cooling
Cool—Cooling equipment equipment operates
Auto—Thermostat
automatically selects
heating and cooling
equipment.
1 CHECK LIGHT ON SELECT MODELS
Fig. 7. Thermostat System and fan key location.
NOTE: Always press the keys with your fingertip or similar
blunt tool. Sharp instruments like a pen or pencil
point can damage the keyboard.
Temperature Settings
The default setpoint for heat is 70°F (21°C) and for cool is
78°F (25.5°C). Press the increase
change the present setting. To change between heat and
cool, press the Information i key until the setting to be
changed appears. Press the increase
to adjust the setting.

INSTALLER SETUP

NOTE: For most applications, the thermostat factory
settings will not need to be changed. Review the
factory settings in Table 4 and if no changes are
necessary, go to the Installer System Test section.
The Installer Setup is used to customize the thermostat to
specific systems. Installer Setup numbers are listed in
Table 4. The table includes all the configuration options
available.
68-0162—1
i
System
Fan
Fan
1
M10147
or decrease key to
or decrease key
A combination of key presses are required to use the Installer
Setup feature.
— To enter the Installer Setup, press and hold the
Information i key with the increase
keys until the first number is displayed. All display
segments appear for approximately three seconds before
the number is displayed. See Fig. 8 and 9.
— To advance to the next Installer Setup, press the
Information i key.
— To change a setting, use the increase
keys.
— 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 five minutes.
Em Ht Temporary Setting
Aux Ht
Repl
Wait
Batt
System
Em HeatOffCool Auto Only
Fig. 8. All the segments of LCD displayed.
INSTALLER SETUP
NUMBER DISPLAY
(COLUMN 2 OF TABLE 4)
Fig. 9. Installer Setup and setting displayed.
CAUTION
Heat pump and electric heat systems must be
configured to 01 in Installer Setup 02 to prevent
equipment damage caused by the system running
without the fan (T8501 only).
IMPORTANT
Only configurable numbers are shown on the device.
Example: If thermostat does not have a system key,
Installer Setup number 12 will not be displayed.
Review Table 4 factory settings and mark any desired
changed in the Actual Setting column. When the
Installer Setup is complete, review the settings to
confirm that they match the system.
6
and decrease
and decrease
Remote
Room
%Humid
Outdoor
Heat Cool
Fan
OnAuto
M4844
FACTORY SETTING OR
OTHER CHOICE DISPLAY
(COLUMN 3 OR 5 OF TABLE 4)
M10406