Honeywell TB8220U Owner's Manual page 11

SETTING SYSTEM
The System selections vary based on the HVAC system type.
HEAT — thermostat controls the heating system.
OFF — both heating and cooling systems are off.
COOL — thermostat controls the cooling system.
AUTO — thermostat controls both the heating and cooling systems based on temperature.
Setting Temperature Overrides
There are three temperature override options:
— Hold Temperature Until
— Override, and
— Holiday.
HOLD TEMPERATURE UNTIL
Holds the temperature temporarily until the time set by the user, or the next scheduled
period time.
1. Press the Up or Down arrow next to the temperature to adjust. The Hold Temperature
Until time appears on the screen. The time defaults to the next scheduled period start
time.
NOTE: Time Up and Down arrows are shown for approximately seven seconds.
Pressing the screen time (where the "Hold Temperature Until" time displays)
causes the arrows to reappear.
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