Siemens RDE100.1DHW Operating Instructions Manual

1/4 Operating Instructions CB1B1423en_01 / 2013-03-08 Siemens Building Technologies

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Operating Instructions RDE100.1DHW

RDE100.1DHW is a room thermostat that allows you to set the ideal room temperature at the time you want.
In addition, it offers independent control of DHW. There are several switching patterns available that can be set to
your specific needs.

1. Display

Indicating that
batteries need to be
replaced

Morning: 12-hour format
Afternoon: 12-hour format

Frost protection
(heating) is active

Confirmation

Auto Timer mode

F

Room temperature in
degrees Fahrenheit

View and set Auto
Time switch

C

Room temperature in
degrees Celsius

Comfort mode

Button lock activated

Economy mode

Display of room
temperature, setpoint, etc.

Escape

Heating ON

Display of time

Weekday 1 = Monday

7 = Sunday

Permanent setpoint
setting

Timer bar

Day and time setting

The actual room
temperature

Holiday mode setting
View and set DHW

Auto Time switch
DHW Auto Time

switch activated

2. Change operating mode

3. Set

4. Ok

5. Decrease value

6. Increase value
7 DHW switch ON/AUTO/OFF button

8. Battery holder

Do you want to adjust the time and day?

You can set the current time of day.

set
ok

+
–

mode

Proceed as follows:

• Press set and select

• Press ok and the time flashes for setting

• Press + or – to adjust the time

• Press ok to confirm

• The weekday flashes, press + or – to select the desired day

• Press ok to save the value

• Press mode to exit or wait for the program to exit automatically

Do you want to lock the buttons?

mode

Press and hold mode for at least 7 seconds to activate a button lock. Repeat to unlock.
The unit operates normally when the buttons are locked, but no changes are possible while the buttons are locked.

2/4 Operating Instructions CB1B1423en_01 / 2013-03-08 Siemens Building Technologies

Are your rooms too warm/too cold?

+
–

ok
set

mode

Press + or – to increase or decrease the room
temperature setpoint in increments of 0.5 °C / 1 °F .
Proceed as follows:

• Press + or – to adjust the setpoint temporarily.
This adjustment is reset as soon as the
operating mode changes.

• Press ok, set or mode to save the value or wait
for the program to exit automatically

• To lock the setpoints, use parameters P06 and
P08.

Do you want to change the operating mode?

mode

!

The thermostat provides Comfort mode, Economy
mode, and Auto mode. Changeover between the
operating modes can be made manually by pressing

mode.

Comfort mode is the permanent (24 h) selection

of Comfort. Select this mode to maintain Comfort
temperature permanently without any time switch. It is
used during occupancy periods, for example.

Economy mode is the permanent (24 h) selection
of Economy. Select this mode to maintain the
Economy temperature permanently without any time
switch.
It is used during non-occupancy periods, for example
at night.

AUTO

In Auto timer mode, operating modes (Comfort,
Economy) are changed automatically according to the
time switch set.

Note:
Frost protection is a function always active in the

background. As soon the room temperature falls
below 5 ºC, the unit automatically activates the

heating .

Do you want to set permanent temperature
setpoints?

set
ok

+
–

mode

!

• Press set and select

• Press ok to confirm

• Press mode to select an operating mode, Comfort

or Economy

• Press + or – to adjust the setpoint permanently.

• Press ok to confirm

• Press mode to exit or wait for the program to exit

automatically

Note: This permanent setpoint is used during Auto timer
mode.

Energy saving tips without loss of comfort

• Select Auto timer mode during the heating period, and set the
time switch according to your normal habits at home

• Select Economy mode or Holiday mode for long periods of
non-occupancy and during summer period

Do you want to set your Holiday mode?

set
ok

+
–

mode

!

Use the Holiday mode to set the thermostat to a
constant temperature while absent.

• Press set and select

• Press ok to confirm

• Press + or

–

to adjust the temperature setpoint

• Press ok to confirm

• Press + or – to adjust the number of days for

holidays (Note: 0 = Holiday mode OFF)

• Press ok to save the value

• When Holiday mode is activated, the remaining

days are displayed on the screen
Note: If you press mode while Holiday mode is active,
the function is turned off and the symbol
disappears.
If the Comfort and Economy setpoint values are both
locked, the lowest locked setpoint value is the Holiday
mode setpoint value. You can adjust the setpoint
temperature from 5 ºC up to the lowest locked setpoint
value.

Do you want to enter your own time switch?

Option 1: Time switch with individual day selection (P11=0)
set
ok

+
–

mode

You can select Comfort or Economy at 15 minute
intervals throughout the day. The 0:00 to 24:00 hour
time bar allows you to set the operating mode for the
selected day(s).
Example:

0612

24

18

1 2



Visible bars: Control to Comfort temperature



Invisible bars: Control to Economy temperature

When Auto timer mode is enabled, changeover between
the operating modes is automatic after the settings are
saved.

Proceed as follows:

1) Press set and select

AUTO

.

2) Press ok to confirm.

3) Time switch for day Mon(1) is displayed.

4) Press

+

or

–

to select the day, from Mon(1) to

Sun(7).

5) Press ok to confirm the selection and initiate time
programming.

During programming step:

6) Press mode to select an operating mode, (Comfort or
Economy) or

7) Press

+

or

–

to adjust the time setpoint by 15

minutes for the selected mode.

8) Press ok to save the time switch.

9) Repeat steps 4-8 for all remaining days (if required);
or

10) Press mode or wait for the program to exit
automatically.