OPERATION
Operation
www.stiebel-eltron.com LWZ304-404 SOL | 15
MINIMUM CYCLES (P54)
1
MAXIMUM CYCLES (P55)
≥50
OUTSIDE TEMP MAX CYC (P56) °C 0
OUTSIDE TEMP MIN CYC (P57) °C 25
DRY HEATING PROGRAM
The dry heating program is not necessary for daily requirements.
The explanation can be found in the installation instructions for
qualified contractors.
COMMISSIONING
PROGRAMMING UNIT
CONTROL UNIT SOFTWARE
The programming unit's software version is displayed here.
CONTRAST
With the “CONTRAST” parameter, you can set the contrast between
the characters shown on the display and the display background.
BRIGHTNESS
LANGUAGE
Here you can select the language in which the display texts are
shown.
ROOM TEMP CORRECTION
If the room temperature captured by the programming unit does
not correspond with the actual room temperature, for example if
the sensor is mounted on a cold external wall, you can make a cor-
rection at the appliance. In the parameter “ROOM TEMP CORREC-
TION”, enter the difference between the actual room temperature
and the room temperature displayed on the programming unit.
Example:
Actual temperature °C 19
Displayed temperature °C 21
New parameter value -2
REL HUMIDITY CORRECTION
If the relative humidity in the room as measured on the program-
ming unit does not correspond to the real relative humidity in
the room, you can make a correction on the appliance. Should
the value displayed by the programming unit be too low, you can
increase the set value under the “REL HUMIDITY CORRECTION”
parameter.
CONTROLLER
SOFTWARE VERSION
“SOFTWARE VERSION” shows which software version is installed
on the control PCB. The software version indicates the appliance
type.
SOFTWARE ID
“SOFTWARE ID” shows the consecutive number of the software.
TIME / DATE
TIME / DATE
In the “TIME / DATE” menu, enter the current time and date, so
the appliance can start the time programs you enter at the correct
time.
25.
13 08:23
DAY MONTH YEAR HOUR MINUTE
SEPT
D0000039141
MAIN MENU
TIME
TIME / DATE
Position the selection indicator over the position “YEAR” and con-
firm with “OK”. Set the current year and confirm with “OK”. Set
the month accordingly. To help you set the “Day”, a calendar page
appears. Move the highlighter to the required day. The new value
is saved when you confirm with “OK”.
SUMMERTIME MANUAL
Under the “SUMMERTIME MANUAL” menu item, you can set the
period for summertime.
SUMMERTIME AUTOMATIC
Instead of entering the time period for summer mode manually,
you can select the summertime specified at the factory. For this,
set the “SUMMERTIME AUTOMATIC” menu item to “ON”.
CONTRACTOR
As a user, only the fault list in the “FAULT SEARCH” submenu is
of importance for you.
The parameters in the “CONTRACTOR” menu have a great in-
fluence on the appliance control properties, and are therefore
protected with a password to prevent incorrect settings. As an
appliance user, you can see these parameters, but if you jump to
the next menu level, you meet the code check.
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