Siemens RDG400 Operating Instructions page 2

Temporary timer for extended presence or absence
The Comfort and Energy Saving 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.
Display: 0....+9:30
b) Turn the rotary knob counterclockwise to extend Energy Saving 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 in the new operating mode as follows:
Extended Comfort mode New operating mode = Energy Saving
Extended Energy Saving mode New operating mode = Comfort
•
If Energy Saving mode 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
currently operates in heating or cooling mode
Control parameters
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 and hold the right button again for 3 seconds. The display
shows P01.
3. Select the required parameter by turning the rotary knob.
4. Press button (OK). The current value of the selected parameter starts blinking and can be changed
by turning the rotary knob.
5. Press button (OK) to confirm the adjusted value, or
6. If you wish to adjust additional parameters, repeat steps 3 through 5, or press
parameter setting mode.
Parameter list
No. Parameter name Default value
P01 Control sequence Single-duct /
single-duct & H/C
coil:
1 = cooling only
P02 Mode selection via 1
operating mode button
P04 Selection of °C or °F Depends on
wizard setting
P05 Sensor calibration 0.0 K
(0.0 °F)
P06 Standard temperature 0
display
P07 Additional display 0
information
P08 Comfort basic setpoint 21 °C
(70 °F)
P09 Minimum setpoint 5 °C
limitation in Comfort mode (41 °F)
P10 Maximum setpoint 35 °C
limitation in Comfort mode (95 °F)
P11 Setpoint for heating in 15 °C
Energy Saving mode (59 °F)
(WheatE-saving)
P12 Setpoint for cooling in 30 °C
Energy Saving mode (86 °F)
(WcoolE-saving)
P14 Button lock 0
The control parameters displayed depend on the DIP switch settings made
.
/
appears, indicating that the system
(Esc) to cancel the change.
(Esc) to leave the
Setting range Adj.
0 = heating only
1 = cooling only
2 = H/C changeover, manually
3 = H/C changeover, auto
1 = Comfort / Protection
mode
2 = Comfort / Energy Saving /
Protection mode
0 = °C
1 = °F
– 3...3 K
(– 6...6 °F)
0 = Room temperature
1 = Setpoint
0 = --- (no display)
1 = ˚C and ˚F
5...40 °C
(41...104 °F)
5...40 °C
(41...104 °F)
5...40 °C
(41...104 °F)
OFF, 5 °C...WcoolE-saving
(OFF, 41 °F...WcoolEconomy)
OFF, WheatE-saving...40 °C
(OFF, WheatEconomy...104 °F)
0 = disabled
1 = automatically
2 = manually
Siemens Switzerland Ltd.
Subject to change
B3182en
2014-10-20