Appendix
0020290841_00 aroSTOR Operating instructions
19
Overview of the operating
mode
–
LT: Only the heat
pump heats the
domestic hot
water cylinder
*
–
HT: The product
runs in frost pro-
tection mode (at
least +5 °C)
–
LT: Heat pump
and immersion
heater heat the
domestic hot
water cylinder
–
HT up to 12:00:
The heat pump
supplements the
heating of the
domestic hot
water cylinder
–
HT after 12:00:
The product runs
in frost protection
mode (at least
+5 °C)
–
LT + HT up to
12:00: Heat
pump and immer-
sion heater heat
the domestic hot
water cylinder
–
HT after 12:00:
Only the heat
pump heats the
domestic hot
water cylinder
*
*) 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.
B.3 Operating with a fixed electricity tariff
Settings made by the end user
Setting/function
Average
For increased com-
fort
Target temperature
45 °C
55 °C
65 °C
Time programming
From 23:00 to
11:00: Frost
protection
From 11:00 to
23:00: ECO
No programming
From 23:00 to
11:00: ECO
From 11:00 to
23:00: No program-
ming
Holiday mode
For absences of
more than 24 hours
For absences of
more than 3 days
For absences of
over a week
Boost mode
Never
Occasionally
Often
Settings made by the competent person
Setting/function
Particularly econom-
ical
Average
Particularly expens-
ive
Anti-legionella cycle
No
7 (weekly)
1 (daily
–
not re-
quired)
Minimum temperature
No
43 °C
43 °C
MAX. TIME
function
No
6 hours
4 hours
Load relief level for high-
tariff periods (HT)
Invalid (factory set-
ting to 1)
Invalid (factory set-
ting to 1)
Invalid (factory set-
ting to 1)
*) 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.
