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CE1B3075en / 31.10.2008 Subject to alteration Building Technologies
Do you want to reload the default timer settings?
+
1.
Set the controller to protection mode .
2. Press and simultaneously for 3 seconds. Release them and, within 2
seconds, press 2 times
.
Day/s
Time when controller is in normal operation
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)
Default
settings
- in the remaining time controller is in energy saving
- timer A5…A8 are free, no default setting
Changing the control parameters
To optimize the control performance, a number of control parameters can be adjusted. This can
also be made during operation without opening the controller.
If you want to change the control parameters, proceed as follows:
(For factory settings, see table on the right-hand side)
+
/
+
+
1. Set the controller to protection mode
2. Press
and simultaneously for a minimum of 3 and a
maximum of 5 seconds. Release them and, within 2 seconds, press
the
again for 3 seconds. The display will show “P01”.
3. Select the required parameter by repeatedly pressing the
or button:
P01 P02
P18
+
-
+
-
+
3075Z03
+
-
4. By pressing
and simultaneously, or by pressing , the current
value of the selected parameter appears, which can be changed by repeatedly
pressing
or .
5. 5 seconds after the last press of a button, or by pressing
and
simultaneously, the value will be stored.
6. If you wish to display and change additional parameters,
repeat steps 3 through 5.
7. 10 seconds after the last display or setting, all changes are
stored and the controller will return to standby.
8. Switch to comfort operation with the button.
Changing the batteries
1. Get 2 new batteries of type AA alkaline, 1.5 volts.
2. Within 1 minute: Remove the battery holder, then the batteries, insert new batteries and replace the battery holder.
3. Make certain the old batteries are disposed of properly, in compliance with environmental requirements.
Recalibrating the sensor
If the room temperature displayed by the controller does not agree with the temperature effectively measured, the temperature sensor can be
recalibrated. For that purpose parameter P07 must be changed.
Proceed as described under “Changing the control parameters” and follow steps 1 through 3 to select parameter P07.
With step 4, the room temperature displayed can now be matched to the temperature effectively measured. Each push of the
or
button changes the temperature by + or – 0.5 °C up to a maximum of + / - 3 °C. With step 7, the recalibration is automatically stored 10
seconds after the last readjustment.
Commissioning (by qualified HVAC staff) (all temperature settings can be made in increments of 0.5 K and the time in increments of 1 min.)
Para-
meter
Controller’s parameter factory settings: Setting range , step RDX33 RDX43
P01 Setpoint of heating in energy saving mode (W heat
Eco
) 16 OFF, 5 °C…W cool
Eco
, 0.5 K
P02 Setpoint of cooling in energy saving mode (W cool
Eco
) 28 OFF, W heat
Eco
…40 °C, 0.5 K
P03*
Setpoint of heating in protection mode
(W heat
PROT
)
8 °C OFF, 5 °C…W cool
PROT
,
0.5 K
P04*
Setpoint of cooling in protection mode
(W cool
PROT
)
OFF OFF, W heat
PROT
…40 °C, 0.5 K
P05
Min. setpoint limitation in Comfort mode
(W min
Comf.
)
5 °C 5…40 °C, 0.5 K
P06
Max. setpoint limitation in Comfort mode
(W max
Comf.
)
35 °C 5…40 °C, 0.5 K
P07 Sensor calibration 0 K -3…+3 K, 0.5 K
P08 Switching differential heating SDH 2 K 0.5…+4K, 0.5 K
P09 Switching differential cooling SDC 1 K 0.5…+4K, 0.5 K
P10 Setpoint differential between heating & auxiliary heating W
D
2 K 0.5…+5K, 0.5 K X
P11 Minimum compressor on-time (Q14) 1 min. 1…10 minutes, 1 min.
P12 Minimum compressor off-time (Q14) 3 min. 1…10 minutes, 1 min.
P13 Auxiliary heater minimum hold-time 1 min. 1…10 minutes, 1 min. X
P14 Selection of °C or °F °C
C or °F
P15 Display of temperature or setpoint ON
OFF: Setpoint
ON: Room temperature
P16 Auxiliary heater in heating mode 1: Enable
0: Disable
1: Enable
X
P17 Time format option 1: 24 h
0: 12 hour format
1: 24 hour format
P18 Operating action changeover heating/cooling Q21 - Q22 0:
0: Open (heating), close
(cooling)
1: Close (heating), open
(cooling)
Legend to table
Adjustable: Please record all changes you make
Not adjustable / display only
X
Not available
P03* / P04*: P04 is at least min. 5 K higher than P03
Energy saving tips without sacrificing comfort
Never allow room temperatures to exceed 21˚C.
Air out rooms for short periods of time only, but properly, with the windows wide open.
Do you want to view the programmable timer settings?
Press the button to sequentially review the 8 auto timers.
2


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