SIEMENS REV24 Room Thermostat
Operating instructions
REV24.. – 7-day room temperature controller for the right temperature at the right time. All factory settings already provide optimal living comfort. You can easily adjust the controller to your needs with the user-assisted clear-text display and program selection slider.
Note the following for placing the controller:
Make sure no other influencing factors influence the controller’s temperature sensor (no solar radiation and other heat or cold source influences).
DISPLAY
OPERATING
Special symbols displayed
The controller display can show the following special symbols:
Is symbol displayed?
- The alarm indicates an error!
Press the Info button and check the error message (e.g. radio clock signal, radio connection to receiver, etc.). Contact a specialist as needed.
Is symbol displayed?
- This symbol tells you that you must exchange the batteries within the next 3 months.
Insert 2 new alkaline batteries type AA, 1.5 V as follows:
Remove the controller from the mounting base; open the battery compartment on the rear; remove the old batteries; insert the new batteries and reinsert the controller in the base.
Caution: Time and date are retained for max. 1 minute. (All other settings are fixed and remain unchanged!)
Dispose of the batteries as per regulations.
Is symbol displayed?
The radio clock symbol only appears if the receiver is set up and activated to receive the time signal from Frankfurt (Germany). A permanent symbol indicates that both time and date of the controller are synchronized to Frankfurt (DCF77). The symbol flashes if the signal is not received for more than 1 week.
Is symbol or
displayed?
The controller is in “heating mode“ or “cooling mode“
.
Commission the controller and quick start
The controller contains a factory-set comfort switching pattern and temperature values. Proceed as follows for initial commissioning:
![]() |
Remove the controller from the mounting base and pull off the black insulating tape from the 2 batteries: The controller turns on automatically. Reinsert the controller in the mounting base. |
![]() |
After startup, a welcome message appears for ca. 2 minutes. Press a button to interrupt the message. Language selection starts with “ENGLISH“ (factory
setting). Press |
![]() |
Slider in position 1 (time setting): Press ![]() Note: You do not need to enter the time when DCF77 receiver for the time signal from Frankfurt (Germany) is equipped. |
![]() |
Slider in position 2 (date: day/month/year): Press![]() Note:You do not need to enter the date when DCF77 receiver for the time signal from Frankfurt (Germany) is equipped. |
RUN | Move the slider to the very right to position RUN (only way to close the cover). |
![]() |
Set the operating mode with the operating mode selector. The factory setting is![]() |
Fold the operating instructions and reinsert in the mounting base.
Turn on display lighting, check error messages or other important information
- Press the Info button once to activate display backlighting. Backlighting goes off automatically after a short time.
- Continuing to press the Info button activates the information display: is lit. The device first shows pending error messages and then important information (e.g. switching programs, …).
Change the temperature level in the time switch program, or are you not at home for a while?
- In the time switch program, press this button to change from the current temperature level to the next and back.
- Quickly activate energy saving temperature when you leave the apartment briefly to save energy.
- The change appears on the display. It is valid only until the next switching time.
Tips to save energy without reducing comfort
- Heat your rooms to max 21 °C.
- Use
to switch to energy saving temperature even if you are absent only briefly.
- Air out your rooms briefly, but with wide-open windows.
RED regulation
Siemens Switzerland Ltd. declares that the radio equipment type REV24.. is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at www.siemens.com/download?A6V10223314.
Select operating mode
Press the operating mode button to select one of 5 modes.
Operating modes with time program
- The controller offers both time programs Automatic
and Exception day
.
Do you feel too warm / too cold?
Press to set the temperature. The setting is temporary and active only until the next time the controller activates a change.
Note: To set your own programs, see: “Enter customized temperatures and switching times”.
Continuous operating modes
The controller offers continuous operating modes “Continuous comfort mode“ “Continuous energy saving mode“
and protection mode (frost or overheating)
.
- Do you feel too warm / too cold?
Pressto set a continuous temperature.
Enter the time and date
![]() |
Slider in position 1 (time setting): Press![]() |
![]() |
Slider in position 2 (date: Day/month/year): Press![]() |
RUN | Reset the slider to the RUN position. |
Note: You do not need to enter time and date when DCF77 receiver for the time signal from Frankfurt (Germany) is equipped. The time display shows PASS. |
Enter customized temperatures and switching times
The controller has three different switching patterns that you can allocate to the weekday blocks 1-5, the weekend block 6-7, or to the individual days 1…7.
Proceed as follows:
Select operating mode
or
.
Slider in position 3 (weekdays 1-5 , weekends 6-7, individual days 1..7): Press
to select the block (weekdays, weekend) or individual day.
Note: Making changes to individual days destroys the corresponding block. You can only restore a destroyed block by Reset the controller.Slider in position 4 (number of comfort phases): Press
to set the number of comfort phases.
Slider in position 5 (start time comfort phase 1): Press
to set the start time.
Slider in position 6 (temperature comfort phase 1): Press
to set the temperature.
Slider in position 7 (end time comfort phase 1): Press
to set the end time.
Slider positions 8…10 (comfort phase 2) and slider positions 11…13 (comfort phase 3): Same procedure as above for comfort phase 1.
Slider in position 14 (energy saving temperature in time switch programs Automatic and Exception day): Press
to set the temperature.
Note: The energy-saving temperature is valid Monday through Sunday. It does not depend on operating mode “Continuous energy saving”.- RUN Move the slider to RUN position and close the cover.
Enter holidays or absence
You can enter start, temperature and end of your holidays. The controller switches to the set holiday temperature at the start of the holidays and back to the preset operating mode at the end of the holidays.
During holiday mode, symbol flashes and the end of the holiday is displayed.
Proceed as follows:
![]() |
Slider in position 15 (start of absence): Press![]() |
![]() |
Slider in position 16 (temperature during absence): Press![]() |
![]() |
Slider in position 17 (end of absence): Press![]() |
RUN | Move the slider back to RUN. Symbol ![]() ![]() ![]() ![]() ![]() |
Enter temperature for active remote control
With remote control, you are free to select the temperature. Activating remote control immediately enables control to the remote operating temperature regardless of the current operating mode. After you switch off remote control, the device returns to the set operating mode.
Symbol flashes with active remote control.
Proceed as follows:
![]() |
Slider in position 18 (temperature for active remote control): Press![]() |
RUN | Move the slider back to RUN. |
Reset to factory settings
![]() |
Press ![]() The clocks starts at 12:00. Caution: All customized settings are lost ! |
Factory settings: Switching times | ||||||
Comfort phases | P1 | P2 | P3 | P4 | P5 | P6 |
1. | 07:00 | 23:00 | PASS | PASS | PASS | PASS |
2. | 06:00 | 08:00 | 17:00 | 22:00 | PASS | PASS |
3. | 06:00 | 08:00 | 11:00 | 13:00 | 17:00 | 22:00 |
Activate Party mode
You can activate Party mode only in operating modes and
. In Party mode, the device controls to any selectable temperature for any selectable time.
In Party mode, symbol is displayed along with the end of Party mode.
Proceed as follows:
- Press
for 3 seconds.
- Press
to set the duration for Party mode. Party mode can last max. 9 hours. The entry is accepted after 20 seconds or when you press
.
- Press
to set the temperature.
- Party mode ends automatically after the Party duration ends or when you press
or
.
REFERENCE:
DOWNLOAD MANUALS:
SIEMENS REV24 Room thermostat Operating Instruction
OTHER MANUALS:
SIEMENS REV24 Room thermostat Product Specifications Guide
Leave a Reply