OPERATION
Menu structure
www.stiebel-eltron.com LWZ304-404 SOL | 21
Menu item/parameter Options Direct Unit Dis-
play
only
Min. Max. Standard
LWZ 304 SOL
[ L W Z 4 0 4 S O L ]
Energy sav-
ing recom-
mendation
System
value
PROGRAMS
HEATING PROGRAM
HEATING CIRCUIT 1
MONDAY Time period1| Time peri-
od2| Time period3
TUESDAY Time period1| Time peri-
od2| Time period3
WEDNESDAY Time period1| Time peri-
od2| Time period3
THURSDAY Time period1| Time peri-
od2| Time period3
FRIDAY Time period1| Time peri-
od2| Time period3
SATURDAY Time period1| Time peri-
od2| Time period3
SUNDAY Time period1| Time peri-
od2| Time period3
MON - FRI Time period1| Time peri-
od2| Time period3
SAT - SUN Time period1| Time peri-
od2| Time period3
MON - SUN Time period1| Time peri-
od2| Time period3
HEATING CIRCUIT 2 See HEATING CIRCUIT 1
DHW PROGRAM See HEATING CIRCUIT 1
FAN PROGRAM See HEATING CIRCUIT 1
HOLIDAY PROGRAM
HOLS BEGINNING
DAY 1 31 1
MONTH 1 12 1
YEAR 0 99 11
HOUR 0 23
MINUTE 0 59
HOLIDAYS ENDING
DAY 1 31 1
MONTH 1 12 1
YEAR 0 99 11
HOUR 0 23 0
MINUTE 0 59
PARTY PROGRAM
START 00:00 23:45
END 00:00 23:45
STANDARD SETTING
MAX. ADVANCE 59 min 0 300 0
SETTINGS
HEATING
ROOM TEMPERATURES HC1
ROOM TEMPERATURE DAY HC1 01 °C 10 30 21 20
ROOM TEMP. NIGHT HC1 02 °C 10 30 21 20
ROOM TEMP. STANDBY HC1 03 °C 10 30 10
MANUAL SET HC1 10 °C 10 65 35
ROOM TEMPERATURE HC1 °C X
ROOM TEMPERATURES HC2
ROOM TEMPERATURE DAY HC2 °C 10 30 21 20
ROOM TEMP. NIGHT HC2 °C 10 30 21 20
ROOM TEMP. STANDBY HC2 °C 10 30 10
MANUAL SET HC2 °C 10 65 35
ROOM TEMPERATURE HC2 °C X
HEATING CURVE HC1
GRADIENT HC1
13
0
5
0.4
0.2 for under-
floor heating
system
LOW END HC1 14 °C 0 20 3 5
ROOM INFLUENCE HC1 15 0 100 0