Installer Setup - Honeywell Chronotherm T8665A Installation Instructions Manual

INSTALLER SETUP

NOTE: For most applications, the thermostat factory-
settings do not need to be changed. Review the
factory default settings in Table 3 and, if no
changes are necessary, go to the Installer Self-
Test section.
The Installer Setup is used to customize the thermostat
to specific systems. Some of the options include
temperature display and system changeover. Installer
Setup numbers are listed in Table 3. The table includes
all the configuration options and the factory-settings for
the T8665.
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. 7 and 8.
— To advance to the next Installer Setup, press the Time
key.
— To change a setting, use the increase
key.
— To scroll the Installer Setup numbers backward, press
the Time key.
— To exit the Installer Setup, press Run Program.
Wait
Set Program Set Day/Time
Recovery
Hold for
Filter
Em Ht Aux Ht Days
Mon Tue Wed Thu Fri Sat Sun
Wake Leave Return Sleep
Fig. 7. DIsplay of all LCD segments.
T8665A CHRONOTHERM® IV DELUXE PROGRAMMABLE WIRELESS THERMOSTAT
and decrease
or decrease
Temporary Setting
AM
PM
Repl Batt Room Outdoor
Heat Cool
DST
Fig. 8. Display of Installer Setup number
CAUTION
Equipment Damage Hazard.
Electric heat and heat pump systems must
run with fan.
Configure to 1 in Installer Setup number 2 to
prevent equipment damage.
IMPORTANT
Only configured numbers are shown on the
device.For example: If thermostat does not
System
have a system key, Installer Setup Number 12
Em Heat
will not display. Review Table 3 factory settings
Off
Cool
and mark any desired changes in the Actual
Auto
Settings column. When Installer Setup is com-
Fan
plete, review the settings to confirm they Mat-
On
thew system.
Auto
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FACTORY SETTING OR OTHER
INSTALLER SETUP
CHOICE DISPLAY (COLUMN 3
NUMBER DISPLAY
OR 5 OF TABLE 3)
(COLUMN 2 OF TABLE 3)
and settings.
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