OPERATION
Operation
www.stiebel-eltron.com LWZ304-404 SOL | 9
4.4.1 Contractor access
To prevent incorrect adjustments, some appliance parameters may
only be changed by qualified contractors. These parameters are
protected and can only be changed after entering a code.
0
* **
26�04�01�0293
ENTER CODE
MAIN MENU
VENTILATION
VENTILATION
FAN STAGE VENT. AIR
4.5 Main menu
Note
Some menu items are protected by a code and can only
be accessed and adjusted by a qualified contractor.
ACTUAL VALUES
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ACTUAL VALUES
MAIN MENU
DIAGNOSIS
PROGRAMS
SETTINGS
CONTR ACTOR
In the “ACTUAL VALUES” menu, actual values are displayed. See
the chapter “Menu structure” for a list of these.
DIAGNOSIS
SYSTEM STATUS
POWER-OFF
POWER-OFF indicates whether voltage is
present at the power supply utility input. If
voltage is present, the power supply utility
has not disabled any component of the
appliance.
OVEN / FIREPLACE
AIR HEAT EXCH. DEFR.
EVAPORATOR DEFROST
FAULT LIST
The fault memory contains the ten most recent fault messages. The
display, however, can show only six fault messages at a time. Turn
the scroll wheel to access the other entries in the fault memory.
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MAIN MENU
CONTRACTORFAULT SEARCH
FAULT LIST
01. FAULT NO. 20 11: 0 0 TIME 10. SEPT 14
02. FAULT NO. 06 11: 01 TIME 10. SEPT 14
03. FAULT NO. 20 12:23 TIME 10. SEPT 14
04. FAULT NO. 06 12:24 TIME 10. SEPT 14
05. FAULT NO. 20 12:34 TIME 10. SEPT 14
06. FAULT NO. 06 12:35 TIME 10. SEPT 14
PROGRAMS
If automatic mode is set, this is where you define the time pro-
grams that control the appliance.
HEATING PROGRAM
HEATING CIRCUIT 1| HEATING CIRCUIT 2
You can set individual heating programs for heating circuits 1
and 2. This determines when and how often the appliance should
operate in day mode. At all other times, the appliance operates in
setback mode. You can select the set values for day and setback
mode under the menu item “ROOM TEMPERATURES”.
First, select the days on which you want to enable the heating
function:
+
-
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MONDAY
MON
MAIN MENU
PROGRAMS
HEATING PROGRAM HC
HEATING CIRCUIT 1
- on individual days (“MONDAY”, ... , “SUNDAY”)
- from Monday to Friday (“MON - FRI”)
- on Saturday and Sunday (“SAT - SUN”)
- throughout the whole week (“MON - SUN”)
Monday is initially offered.
Select the day or a group of days.
Confirm your selection with “OK”.
You can now set three switching time pairs. The three switching
time pairs are shown on the display, to the right of the clock. A
switching time pair comprises the start time and end point, at
which the appliance returns to its previous state.
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