The operation mode will be one of the following:
The fan setting is Auto.
The keypad has no password protection.
Refer to the pop up wizard section in the installation manual for a
complete list of factory defaults and contractor settings.
Emergency Heat
Your system may include Emergency Heat. The RS6220 thermostats have
an emergency heat capability for multi stage heat pump systems. To
determine if your system is capable of using emergency heat contact your
contractor. Use the button to enter the EMER mode. An E will be
displayed with the Heat symbol. This mode is used to bypass the heat
pump when it needs servicing or when it cannot keep up with the heat
demand.
Auto Changeover
Auto changeover is the ability of the thermostat to switch automatically
between heating settings and cooling settings. This is useful in Spring and
Fall when the days are warm and the nights are cool. In heat mode if the
room continues to warm beyond a set threshold the thermostat switches
to the cool mode and the associated cooling settings. The reverse is also
true.
As the room temperature changes, the thermostat will call for heating or
cooling as needed. To prevent the heating and cooling systems from
overriding each other, an automatic changeover deadband is used.
The deadband is the number of degrees that the room temperature can
move away from the active setpoint until heating or cooling is called for.
The larger the deadband the more the room temperature will vary.
Making Changes To the Programmed Settings
Any setting can be changed when it is flashing by pushing or
If a button is not pushed for 10 seconds the thermostat returns to
operation.
The following buttons can be accessed from the front panel.
5
Off
Heat
Cool
Emergency Heat E
Automatic Changeover A
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