Robertshaw RS8210 Operation Manual page 8

THERMOSTAT QUICK REFERENCE
Filter Change Reminder
The thermostat can be configured to remind you when the air filter needs to
be changed. The filter change reminder can be adjusted to up to 2000 hours
in 50 hour increments.
If the installer configured the thermostat to issue this reminder, FILTER will be
displayed when it is time to change the air filter. When FILTER is displayed,
you should change the air filter and reset the Filter Change Reminder by
holding down the second button from the top left side of the thermostat for
3 seconds.
Hold down button for
3 seconds to reset
filter reminder.
6
Mon
Room
Set At
Menu
SLEEP
FAN
OFF
ON AUTO
COOL
PM
+1
HEAT
EHM