Operation
Operating instructions geoTHERM 0020051578_03
31
GB
4
4.11
Setting up hot water handling
4.11.1
Setting the operation mode
for hot water handling
Domestic hot water
4
Parameters
Operation mode
>Auto
Max. DHW temp.
60 °C
Min. DHW temp.
44 °C
Cylinder temp. Current
51 °C
>Select operation mode
Operation mode
For the optional domestic hot water cylinder and the
optional circulation circuit, the operation modes "Auto",
"On" and "Off" are possible.
Auto:
The hot water generator and circulation pump
become active after separately adjustable time pro-
grammes (
¬ section 4.11.4
)
On:
Continuous hot water reheating, circulation pump runs
continuously.
Off:
No DHW loading, frost protection function is active.
4.11.2
Setting the maximum and
minimum hot water temperature
Domestic hot water
4
Parameters
Operation mode
>Auto
Max. DHW temp.
60 °C
Min. DHW temp.
44 °C
Cylinder temp. Current
51 °C
>Select operation mode
Max. hot water temperature:
The maximum hot water
temperature determines the maximum temperature to
which the domestic hot water cylinder should be
heated.
i
The maximum hot water temperature is only dis-
played if the heating engineer has enabled the
external auxiliary heater for hot water. Without
an external auxiliary heater, the maximum hot
water temperature is limited by the pressure
sensor control shut-off in the coolant circuit and
cannot be adjusted!
Min. hot water temperature:
The minimum hot water tem-
perature determines the limit below which the domes-
tic hot water cylinder is heated.
Factory setting: Min. hot water temp. 44 °C
Summary of Contents for geoTHERM SERIES
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