Using Thermostat Keys; Temperature Settings - Honeywell T8602C Chronotherm IV Manual

T8602C CHRONOTHERM®IVDELUXE PROGRAMMABLE THERMOSTATS

Using Thermostat Keys

The thermostat keys are used to:
• set current day and time,
• program times and setpoints for heating and cooling,
• temporarily override program temperatures,
• display present setting,
SET CURRENT
DAY A N D TIM E
RETURN TO
NORMAL
ENTER
INDEFINITE
OR TIM ED
HOLD MODE
SETTINGS
System and Fan Settings
The system default setting is Heat and the fan default
setting is Auto. Use the System and Fan keys to change
the settings. See Fig. 10.
System settings control the thermostat operation:
Heat: The thermostat controls the heating.
Off: Both the heating and cooling are off.
Cool: The thermostat controls the cooling.
Fan settings control the system fan:
On: Fan operates continuously.
Auto: Fan operates with equipment.
Fig. 10. Thermostat System and Fan key locations.
69-1670
INSTALLER SETUP AN D SYSTEM TEST
Fig. 9. T8602D key locations and descriptions.
• configure Installer Setup,
• check Self-Test,
• display outdoor temperature (select models),
See Fig. 9 for location of the keys.
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

Refer to Table 2 for the default program. If the daytime
energy savings period is not used, press the period key
(Leave or Return) until the time is blank. See Owner's
Guide for complete instructions on changing the
program.
Table 2. Default Program Settings.
Period Time
Wake 6:00 AM
Leave 8:00AM
Return 5:00 PM
Sleep 10:00 PM
4
DECREASE TEM PERATURE
SETTING OR SCROLL
BACKWARD THROUGH
INSTALLER SETUP OPTIONS
DISPLAY INFORMATION
SUCH A S PRESENT
SETTINGS AN D OUTDOOR
TEM PERATURE
SET S LEEP TIM ES
AN D SETPOIN TS
SYSTEM SWITCH
— FAN SWITCH
SETPOINTS M 1 4 8 8 0
Heat Setpoint Cool Setpoint
70°F 78°F
(21°C) (25.5°C)
62°F 85°F
(16.5°C) (29.5°C)
70°F 78°F
(21°C) (25.5°C)
62°F 82°F
(16.5°C) (28°C)