Robertshaw 9820I - Manual (Page 23)

INSTALLER settings (continued)
ENERGY EFFICIENT RECOVERY
When turned on, the thermostat will look up to two hours before the next event and anticipate when
to turn on to reach the desired temperature.
DEADBAND SETPOINT
Deadband is used with the AUTO CHANGEOVER feature. The deadband is the temperature
difference from the setpoint temperature during which the heating or cooling will not be turned on.
This is adjustable from 2-8°F (1.0-4°C).
SECURITY CODE
Enter a code to prevent changes to the INSTALLER settings.
23
INSTALL MENU SELECT
ENTER SECURITY CODE
FOR INSTALLER
SETTINGS
0 0 0 0
INSTALL MENU SELECT
ENERGY EFFICIENT
RECOVERY
DISABLE
ENABLE
INSTALL MENU SELECT
AUTOCHANGE DEADBAND
3 ˚F