Siemens RDG100T Operating Instructions

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Operating Instructions
RDG100T
RDG100T – the electronic room thermostat that allows you to set the ideal room temperature you
want. The thermostat provides Comfort, Energy Saving and Protection mode and, in addition, an Auto
Timer mode with 8 programmable timers. 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
Room temperature
Room temperature in degrees
Celsius
Room temperature in degrees
Fahrenheit
Button lock active
Alert indicator
Condensation in the room
Temporary timer function
active
Weekday 1 = Monday
Setting time and weekday
Setting the auto timers
Current time of day
Escape (Cancel)
Confirmation (OK)
Operating mode button Program mode button
Fan mode button Rotary knob
Changing the room temperature
• The room temperature setpoint can be adjusted with the rotary knob when Comfort
mode is active or with
•
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 keeps running at low speed (factory
setting)
• 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.
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
Changing the operating mode
Press the operating mode button until symbol
Comfort / Auto Timer / Energy Saving mode is selected.
1. Protection mode
• 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
The setpoints for Protection mode can be changed by your HVAC installer if desired:
Changes made by installer: Frost protection: _________ ˚C
2. Comfort mode
• In Comfort mode, the thermostat maintains the setpoint which can be readjusted
with the rotary knob
3. Auto Timer mode
• In Auto Timer mode, the controller automatically switches over between Comfort
and Energy Saving mode according to the 8 preprogrammed timers
4. Energy Saving mode
•
When selecting Energy Saving mode, make sure that parameter P02 is set to 2
•
In Energy Saving mode, the room temperature is maintained at a lower or higher
setpoint, thus saving energy and money! You can change the preselected setpoint
by adjusting parameters P11 and P12 (for parameter settings, see reverse side)
Important: The setpoint for Energy Saving mode 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!
Setting the time of day and the weekday
1. Press the program mode button for programming.
2. Press button (OK) to enter the setting mode for the time of day.
3. The time digits start blinking. Turn the rotary knob clockwise or counterclockwise to set the time
of day.
If the current time of day is in 24-hour format and you wish to change it to the 12-hour format, turn
the knob clockwise passed 23:59 or counterclockwise passed 00:00. Vice versa back to the 24-hour
format.
4. Confirm the time of day by pressing button and the weekday indicator starts blinking.
5. Turn the rotary knob clockwise or counterclockwise to set the current weekday.
6. Confirm the current weekday by pressing button
7. Press button (Esc) to leave the program mode.
Note:
After a power failure, the time of day starts blinking to indicate power was lost. However, the auto timer continues to
run with the time before the power failure occurred. Select the setting mode to readjust the time if needed.
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Operating mode
Heating mode
Electrical heater on
Cooling mode
Comfort mode
Energy Saving mode
Auto timer
Protection mode:
Protection against
frost
7 = Sunday
Indicator for selecting
mode
Fan mode
Automatically
Manually
/
appears, indicating that Protection /
Heat protection: __________˚C
(OK).
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