CE1B3075en / 31.10.2008
Subject to alteration
Building Technologies
Operating Instructions
RDX33… / RDX43...
RDX33… / RDX43... – the temperature controller that allows you to set the ideal room temperature you want. The controller provides
protection-,comfort-, energy saving- or auto timer mode with 8 programmable timers.
1.5V
'AA'
1.5V
'AA'
+
-
Operation
Warmer / colder
setting the
temperature setpoints
and the time of day
3075Z01en
Display
Button operating mode
Settings
Heating / cooling
changeover button
°C
Temperature
°F
Temperature
1...7
Weekday
Commissioning
Initial
power-up
•
Remove the black transit tabs from the 2 alkaline batteries. Check to see if the battery holder is in its correct position. If no
batteries are inserted, fit 2 alkaline batteries type AA in the battery compartment
•
Once batteries are fitted, all symbols will appear on the display as shown for about 2 seconds.
Setting the time of day and the weekday
1. Keep the
button pressed until the time digits start to flash and then press
or
to set the time of day. If the current
time is the 24-hour format and you wish to change to the 12-hour format, set P17 to 0 = 12-hour format (or vice versa 1 back
to the 24-hour format).
2. Confirm the time of day by pressing
and the weekday indicator starts to flash.
3. Press
or
to set the current weekday.
4. Confirm the current weekday by pressing
.
Are your rooms too warm or too cold?
Do you want to set your controller to protection?
Press the
button several times until the display shows the
symbol
to indicate that protection is selected.
In protection
, the controller maintains the adjusted lower setpoint of heating
(parameter P03) or the higher setpoint of cooling (parameter P04).
Important:
If the setpoint of protection is set to
OFF
(factory setting)
,
the controller will not be
active.
Risk of frost!
Do you want to change from heating to cooling mode?
/
The changeover between cooling and heating is done by a remote changeover
switch.
When pressing the
button, the controller changes from heating to cooling or vice
versa.
Do you want to change to auto timer-, comfort or energy saving mode?
/
Press the
button several times until the display shows the symbols to
indicate which mode you want to select.
The controller will automatically change over comfort mode and energy saving mode
according to the 8 preprogrammed timers.
Do you want to set the programmable timer settings?
A..
A..
A..
1
To adjust the time schedule, keep the
button pressed for 3 seconds to go to
the programmable timer setting mode.
This mode is indicated by displaying Ax (x= auto timer 1...8) and the time xx:xx
flashing. For each auto timer, proceed as follows:
1. The and
symbols are displayed. Press
or
to adjust the comfort
operation start time and confirm by pressing
.
2. The and symbols are displayed. Press
or
to adjust the comfort
operation end time or energy saving start time respectively and confirm by
pressing
.
3. Symbol
1
will flash. Press
or
to select or deselect each day and
advance to the next day. Confirm setting for actual timer by pressing
and advance to the next timer
The controller will leave the programmable timer setting mode if no button is pressed
within 20 seconds. All changes made after the last press of
button will not be
saved.
Only applicable in comfort operation.
Pressing
or
allows you to increase or decrease the current room temperature
setpoint for comfort operation in increments of 0.5 °C. The maximum setting range is
from 5...40 °C, unless it is limited by parameters P05 and P06.
