Appendix
0020285064_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 Particularly econom-
ical
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.
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