Appendix
20 Operating instructions aroSTOR 0020290841_00
Overview of the operating
mode
– From 23:00
to 11:00: The
product runs in
frost protection
mode (at least
+5 °C)
– From 11:00 to
23:00: The heat
pump heats the
domestic hot
water cylinder
with improved
efficiency *
The heat pump
heats the domestic
hot water cylinder *.
– From 23:00 to
11:00: The heat
pump heats the
domestic hot
water cylinder
*
– From 11:00 to
23:00: The heat
pump heats the
domestic hot
water cylinder
with improved
efficiency. The
immersion heater
can be switched
on as required.
*) Exception: The air temperature lies outside the range between -7 °C and +35 °C. In this case,
operation of the back-up heater is permitted.
C End user level – overview
Validity: Vaillant
Setting level Values Unit Increment, select, explana-
tion
Factory set-
ting
Min. Max.
TEMP. SETT. →
TARG ET TARGET WA-
TER TEMP.
30 to 65 ℃ ℃ 1 55
T°PV ECO TARG ET <
T°PV ECO <
T°PV MAX
℃ 1, if the photovoltaic installa-
tion is connected
60
T°PV MAX T°PV ECO <
65 °C
℃ 1, if the photovoltaic installa-
tion is connected
65
HOLI DAYS →
HOLI.RETUR. 0 99 Days 1 0
ELEC. MODE (VWL B 290/4) →
ELEC. MODE Yes, No No
BOIL. MODE (VWL BM 290/4) →
BOIL. MODE Yes, No No
BOOST →
BOOST Yes, No No
BA CK UP →
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