User Manual
Document No. 125-1009
Installation Instructions
April 27, 2020
Page 8 of 21
Siemens Industry, Inc.
Programming the Schedule
1. Touch the center of the Home screen.
2. Press the Settings icon [ ]. SCHEDULER
will display.
3. Press SCHEDULER.
4. Use the left [] and right [] arrows to select
the day. Press the day to select.
5. Use the + and – icons to set the mode: Comfort
(ON) or Economy (ECO).
6. Use the left [] and right [] arrows to adjust
the start time for each programming period.
Adjust the hours and minutes individually by
pressing the two-digit hour or two-digit minute
fields.
7. Use the left [] and right [] arrows to select
the next event for the given day. Configure
remaining events as desired.
8. Press the Settings icon [ ], then the left []
and right [] arrows to select the next day.
Repeat steps 5 through 7 until the schedule is
fully programmed.
Maintenance
Locking/Unlocking the Touch Screen
To prevent unauthorized access to thermostat
settings, use Parameter P211 to configure screen
lockouts. The lock icon [ ] indicates that the
screen is locked. To unlock the keypad, do the
following:
1. Touch the center of the Home screen to access
the room temperature screen.
2. Press the Settings icon [ ] once and
LOCKED displays.
3. Press and hold the Settings icon [ ] for 5
seconds; PASSWORD displays.
4. Using the lower left [] and right [] arrows,
enter the INSTALLER password.
5. Press PASSWORD to accept the password.
6. Set Parameter 211 (Keypad Lockout) to OFF to
disable keypad lockout.
7. Touch the Setpoint icon [ ] of the screen
to return to the Home screen.
Clearing Service Reminders
The thermostat displays SERVICE REQUIRED and
an associated service reminder if the reminder timer
(Parameters 208 - 210) has timed out. To clear
these, do the following:
1. Touch the center of the Home screen to access
the room temperature screen.
2. Press the Settings icon [ ] and SERVICE
displays.
3. Use the left [] and right [] arrows to select
the service reminder.
4. To clear, touch the + icon and the display
changes from “-----“ to OFF.
5. Counter resets and reminder icons turn off.
Viewing Fault Messages
The thermostat displays SERVICE REQUIRED if a
sensor fails or a service reminder has timed out. To
view these, do the following:
1. Touch the center of the Home screen to access
the room temperature screen.
2. Press the Settings icon [ ] and SERVICE
displays.
3. Press SERVICE and review faults. Use the left
[] and right [] arrows to see all faults.
NOTE: The fault message is automatically
cleared when the root cause of the
failure is resolved.
Resetting the Unit to Factory Defaults
CAUTION:
The following steps set ALL parameters to
factory defaults (including passwords), and
restart the Set-up Wizard.
1. Log in as either an Installer or Expert.
2. Press the left [] arrow. RESTORE displays.
3. Press + to change the setting to YES.
4. Press RESTORE.
This resets the unit and restarts the Set-up
Wizard.