Bedienungsanleitung Siemens RDD310-EH (Seite 2 von 2) (Englisch)

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CB1B1440en / 2013-09-12 Subject to change Siemens Building Technologies 2/4

Do you want to set your thermostat to Frost Protection mode?

Press operating mode button several times until the display shows the icon to indicate that Frost

Protection mode is selected.

The RDE410/EH has a dedicated

button to set the system either to Frost Protection mode or to switch it

on.

In Frost Protection mode

, the room temperature setpoint is maintained at 8 °C (factory setting), unless

your HVAC installer made some other setting.

Changes made by the installer   Frost protection:............................ C

Do you want to change to Economy mode?

When Economy mode is enabled (parameter P02), press the operating mode button to select Economy

mode . In that case, the room temperature setpoint is always maintained at the Economy level. The

preset room temperature setpoint in Economy mode is 16 C (parameter P11).

The RDE410/EH has a dedicated button for selection of the desired operating mode.

Do you want to change to Auto Timer mode? (RDE410/EH only)

Press the

button to select Auto Timer mode . In this mode, the thermostat switches automatically

between Comfort and Economy mode according to the 8 programmed time switches.

Setting the time of day and the weekday (RDE410/EH only)

+ / –

1. Keep the button depressed until the time digits start to flash, then press + or – to set the time of day.

If the current time format is the 24-hour format and you wish to change to the 12-hour format, keep +

depressed to pass 23:59, or keep – depressed to pass 00:00. Vice versa to go back to the 24-hour

format.

2. Confirm the time of day by pressing

. The weekday indicator starts to flash.

3. Press + or – to set the current weekday.

4. Confirm the current weekday by pressing

Do you want to set the time switches? (RDE410/EH only)

A..

+ / –

A..

To set the time switches, keep the button depressed for 3 seconds to go to Auto Timer mode.

This mode is indicated by "Ax" appearing on the display (x = Auto Timer 1...8) and the time xx:xx flashing.

For each time switch, proceed as follows:

1. Icons

and are displayed. Press + or – to set the Comfort mode start time and confirm by

pressing .

2. Icons

and are displayed. Press + or – to set the Comfort mode end time (or Economy mode start

time) and confirm by pressing

3. Icon flashes. Press + or – to select or deselect each day and advance to the next day. Confirm

setting for the current time switch by pressing

and advance to the next time switch.

The thermostat exits the time switch setting mode automatically after 20 seconds if no button is pressed. All

changes made after the last press of

will not be saved!

Do you want to view the time switch settings? (RDE410/EH only)

Press the button to sequentially review all 8 programmable time switches.

Do you want to reload the default time switch settings? (RDE410/EH only)

+ / – /

Set the thermostat to Frost Protection mode

Press + and – simultaneously for 3 seconds. Release the buttons and, within 2 seconds, press twice the

button.

Default

settings

Day/s Time of day when controller is in Comfort mode

Mo (1) – Fr (5) 06:30 – 08:30 (A1) 17:30 – 22:30 (A2)

Sa (6) 08:00 – 23:00 (A3)

Su (7) 08:00 – 22:30 (A4)

– During the remaining time, the RDE410/EH operates in Economy mode

– Time switches A5…A8 have no default settings

Commissioning (by qualified HVAC installer)

To adapt the thermostat to your system and to optimize the control performance, a number of control parameters can be set.

This can also be made during operation without opening the thermostat.

3/4 CB1B1440en / 2013-09-12 Subject to change Siemens Building Technologies

Recalibrating the temperature sensor

If the room temperature displayed by the thermostat does not accord with the temperature effectively

measured, the temperature sensor can be recalibrated. Using parameter P05, the temperature can be

adjusted by pressing + or – in increments of 0.5 °C. The maximum recalibration range is +/- 3 °C.

Economy mode

If you want to change the factory-set temperature setpoint (16 °C for heating), readjust parameter P11.

Caution: The setpoint for Economy mode can be set to "Off". This means that the thermostat will be

deactivated! This means that there will be no protective heating function, therefore risk of frost!

Electrical floor heating/cable temperature sensor (floor sensor)

The factory setting for this function is "Off" and must be set to "On" if electrical floor heating is used. This

function is activated via parameter P38.

The installer must select the approximate capacity of the heating system (in kW) via parameter P45 during

commissioning.

The cable temperature sensor is connected to input X1, M and acquires the floor temperature. If the floor

temperature exceeds the parameterized

limit xx ºC (P38 = 1, P51 = xx ºC), the heating system is turned off

until the floor temperature returns to a level below the parameterized limit. A typical application are rooms (dry

floor).

If the application does not require floor temperature limitation but instead uses the external sensor for room

temperature display and control, the parameters have to be set as follows: P38 = 1, P51 = Off. A typical

application are bathrooms (wet floor) where a constant floor temperature is required

It is not recommended to have only a built-in room sensor for floor heating since in that case there is a risk of

overheating.

Energy saving tips without loss of comfort:



Never allow room temperatures to exceed 21 °C

 When absent, set the thermostat to Economy mode (or Frost Protection), even for short periods of time

 Air out the rooms briefly, but with windows wide open

Siemens RDD310-EH Seite 2

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