Operation
32
Operating instructions geoTHERM 0020051578_03
4
4.11.3 Reading the current hot water
cylinder 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
Cylinder temp. Current
: Current temperature in the
domestic hot water cylinder.
We recommend that DHW loading be achieved without an
external auxiliary heater. By this method, the maximum hot
water temperature is determined by the control pressure
lock-out in the heat pump coolant circuit. This lock-out cor-
responds to a maximum hot water temperature of 55 °C.
i
In order to keep the heat pump starts to an
absolute minimum, as low a minimum hot water
temperature as possible should be selected.
4.11.4
Setting the time programme
for hot water handling
Domestic hot water
5
Time programme
>Mo
1
06:00
22:00
2
:
:
3
:
:
>Select day of the week
You can set the times at which the domestic hot water cyl-
inder is heated in the
DHW loading time programme
menu.
Up to three times can be programmed per day or block.
The generation of hot water should only be active at times
when really hot water is to be run. Please set this time pro-
gramme to your minimum requirements.
As an example, working people can set a window from 6.00
– 8.00 hrs. and a second window from 17.00 – 23.00 hrs.in
order to minimise the energy consumption for DHW loading.
Factory setting: Mo. – Fr. 6:00 – 22:00 hours
Sa. 7:30 – 23:30 hours
Su. 7:30 – 22:00 hours
Summary of Contents for geoTHERM SERIES
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