Robertshaw RS9110 Operation Manual page 17

Tech Settings
You can configure this thermostat to
have 7 Day, 5+1+1 programming or
non-programmable.
Note: If 7d is selected, in set schedule
you will program all seven days
Program
individually.
If 5d is selected, in set schedule you
Options
will program Monday - Friday together
and Saturday and Sunday individually.
If Od is selected the thermostat
becomes non-programmable and
the Set Schedule button goes away
in Menu.
TECHNICIAN SETUP MENU
LCD Will Show Adjustment Options
Next step
Use the
select 7d for 7 Day, 5d for 5+1+1,
or Od for non-programmable.
Prev step
Default
and key to
5d
15