Vaillant aroSTOR VWL B 270/5 Instrucciones De Funcionamiento página 59

Overview of the operating
mode
*) Exception: The air temperature lies outside the range between -7 °C and +45 °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
Target temperature
Time programming
Holiday mode
Boost mode
Settings made by the competent person
Setting/function
Minimum temperature
MAX. TIME function
Load relief level for high-
tariff periods (HT)
*) Exception: The air temperature lies outside the range between -7 °C and +45 °C. In this case,
operation of the back-up heater is permitted.
8000015877_00 Operating instructions
– LT: Only the heat
pump heats the
domestic hot
water cylinder
*
– HT: The product
runs in frost pro-
tection mode (at
least +5 °C)
Minimum permiss-
ible in accordance
with the local regu-
lations
From 23:00 to
11:00: Frost
protection
From 11:00 to
23:00: ECO
For absences of
more than 24 hours
Never
Particularly econom-
ical
No
No
Invalid (factory set-
ting to 1)
– 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)
Average
55 °C
No programming
For absences of
more than 3 days
Occasionally
Average
43 °C
6 hours
Invalid (factory set-
ting to 1)
– 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
*
For increased com-
fort
65 °C
From 23:00 to
11:00: ECO
From 11:00 to
23:00: No program-
ming
For absences of
over a week
Often
Particularly expens-
ive
43 °C
4 hours
Invalid (factory set-
ting to 1)
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