Siemens 110 Users Manual RDG100 140 160 Operating Instructions

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Operating Instructions
RDG100/110/140/160
RDG – the electronic room thermostat that allows you to set the ideal room temperature you want.
The thermostat satisfies your individual needs in all operating modes: Comfort, Economy and
Protection. The fan operates either in Automatic mode or at the selected speed when using Manual
mode. You can either rely on the factory settings or make adjustments that suit your individual needs.

Main display

Operating mode

Room
temperature
Room temperature in
degrees Celsius
Room temperature in
degrees Fahrenheit
Button lock active

Heating mode
Electric heater on
Cooling mode
Comfort

Alert indicator

Economy
Protection mode:
Protection against
frost
Indicator for
selecting mode

Condensation in the
room
Temporary timer
function active
Additional user
information
Operating mode
button

Fan mode

Fan mode button

Automatic

Rotary knob

Manual:

Low / medium / high

Changing the room temperature


The room temperature setpoint can be adjusted with the rotary knob when
is active
Comfort mode



Turn the rotary knob clockwise (+) to increase, or counterclockwise (-) to
decrease the current room temperature setpoint for Comfort mode

The setting range is from 5...40 °C, unless limited by parameters P09 and P10 (for parameter
settings, see reverse side).

Adjusting the fan speed


Press the fan mode button until the desired fan mode is reached



In Automatic mode
, the fan speed is automatically selected by the thermostat
depending on the setpoint and the actual room temperature. When the room
temperature reaches the setpoint, the fan stops (factory setting) or runs at low
speed (P15).



In Manual mode, the fan operates independently and always runs at the same
speed: Low / medium / high

Note:
If desired, you can change the fan mode selector option via P03: Manually only, or manually including
Protection mode. Use P15 to set the fan speed in dead zone.

Selecting Comfort mode


Press the operating mode button until symbol
Comfort mode is selected



In Comfort mode, the thermostat maintains the setpoint which can be readjusted
with the rotary knob

appears, indicating that

Selecting Protection mode


Press the operating mode button until symbol
Protection mode is selected



In Protection mode, the plant stops operating. If the room temperature falls
below 8 °C, heating is switched on however to protect the room against frost

appears, indicating that

The setpoints for Protection mode can be changed by your HVAC installer if desired:
Changes made by installer:
Frost protection: ____________ ˚C Heat protection: ______________˚C

Selecting Economy mode
In Economy mode, the room temperature is maintained at a lower or higher setpoint, thus saving
energy and money.


When selecting Economy, make sure that parameter P02 is set to 2



Press the operating mode button until symbol



You can change the preselected setpoint by adjusting parameters P11 and P12
(for parameter settings, see reverse side)

appears

Important: The setpoint for Economy can be set to OFF. This means that the thermostat is deactivated!
Risk of frost, i.e. no protective heating or cooling function is provided!
Energy saving tips without sacrificing comfort:
• Air out rooms for short periods of time only, but properly, with the windows wide open
• Never allow the room temperature to exceed 21 °C through heating, and to fall below 25.5 °C through cooling

Button lock


To lock or unlock the buttons manually, press and hold the fan mode button for
3 seconds. The buttons are locked or unlocked in this manner if P14 is set to 2



If P14 is set to 1, the thermostat automatically locks the buttons 10 seconds after
the last adjustment

Temporary timer for extended presence or absence
The Comfort and Economy modes can be temporarily extended by 0.5 to 9.5 hours using the temporary
timer.

1. To set the temporary timer, press and hold the operating mode button for maximum 3 seconds.
While holding the button, turn the rotary knob clockwise or counterclockwise as required.
a) Turn the rotary knob clockwise to extend Comfort mode.
0....+9:30
Display:
b) Turn the rotary knob counterclockwise to extend Economy mode.
Display:
0....-9:30
2. Release the operating mode button and the mode is temporarily changed, indicated by
.
After the temporary timer has elapsed, the thermostat will resume operation in the operating mode
that was active before:
Extended Comfort mode
New operating mode = Economy
Extended Economy mode
New operating mode = Comfort


If Economy cannot be selected via the operating mode button (P02≠2), Protection mode will be
used for extended absence instead!



The temporary timer function is aborted whenever a new setting is made

Note:
Extended Comfort mode is also possible when an external contact such as a keycard switch or central time clock is active
To enable this function, the time for the extended period must be set via parameter P68.

Changing from heating to cooling mode


Depending on the type of plant, the changeover from heating to cooling (or vice
versa) is made either automatically by a changeover sensor or a remote changeover switch, or manually by pressing the operating mode button (see parameter
P01)



To select cooling or heating manually (P01=2), press the operating mode button
until the desired mode appears



With automatic changeover or continuous heating / cooling, symbols
indicate that the system currently operates in heating or cooling mode



With manual changeover, symbol appears, indicating that the system currently
operates in heating or cooling mode

/

Control parameters

If you want to change control parameters, proceed as follows:
1. Press both buttons simultaneously for at least 3 seconds.
2. Release them and, within 2 seconds, press the right button again for 3 seconds.
The display shows P01.
3. Select the required parameter by turning the rotary knob.
(OK). The current value of the selected parameter starts blinking and can be
4. Press button
changed by turning the rotary knob.
(OK) to confirm the adjusted value, or
(Esc) to cancel the change.
5. Press button
(Esc) to leave the

If you wish to adjust additional parameters, repeat steps 3 through 5, or press
parameter setting mode.

Parameter list
No.
P01

Parameter name
Control sequence

Default value
2-pipe / 2stage:
1 = cooling only
4-pipe:
4 = H and C
1

Setting range
0 = heating only
1 = cooling only
2 = H/C changeover, manually
3 = H/C changeover, auto
4 = heating and cooling

P02

Mode selection via operating
mode button

P03

Mode selection via fan mode
button

0

P04

Selection of °C or °F

0

P05
P06

Sensor calibration
Standard temperature display

0.0 K
0

P07

Additional display information

0

P08
P09

21 °C
5 °C
35 °C

5…40 °C

15 °C

OFF, 5 °C…WcoolEco

30 °C

OFF, WheatEco…40°C

P13

Comfort basic setpoint
Minimum setpoint limitation in
Comfort mode
Maximum setpoint limitation in
Comfort mode
Setpoint for heating in Economy
mode (WheatEco)
Setpoint for cooling in Economy
mode (WcoolEco)
Electric heater in cooling mode

1 = Comfort / Protection mode
2 = Comfort / Economy /
Protection mode
0 = Auto / Manual
1 = Manual
2 = Auto / Manual /
Protection mode
0 = °C
1 = °F
– 3…3 K
0 = Room temperature
1 = Setpoint
0 = --- (no display)
1 = ˚C and ˚F
5…40 °C
5…40 °C

ON

P14

Button lock

0

P15

Fan speed in dead zone
(Comfort mode)

0

OFF = Disabled
ON = Enabled
0 = Disabled
1 = Automatic
2 = Manual
0 = Disabled
1 = Stage 1 (H or C)
2 = Stage 1 (Cooling only)

P10
P11
P12

The control parameters displayed depend on the DIP switch settings made

Adj.

Siemens Switzerland Ltd
Subject to change
B3181.1en
21 Oct 2011



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