Adapting the appliance to the heating system
Installation instructions geoTHERM 0020051574_04
85
9
Display shown
Description
Factory setting
Diagnosis
D4
Heat source
T return source
10 °C
T outlet Evap.
9 °C
Brine pump
ON
Brine pressure
1.5 bar
T return source:
Brine water temperature/well water
temperature at the heat pump inlet, T3.*
T outlet Evap.:
Brine water temperature/well water
temperature at the heat pump outlet, T8.*
Brine pump:
VWS only: Brine pump status: ON/OFF.
VWW only: Well pump status: ON/OFF
Brine pressure (VWS only):
Brine pressure at the
heat source pressure sensor.
—
Diagnosis
D5
Heating circuit
Buffer VF1
45 °C
Buffer RF1
36 °C
Flow sensor VF2
38 °C
Current DHW temp.
52 °C
<UV1>
HK
Buffer VF1:
Flow temperature sensor VF1 of the
buffer tank.
Buffer RF1:
Return temperature sensor RF1 of the
buffer tank.
Flow sensor VF2:
Current heating flow temperature.
Current DHW temp.:
Temperature in the DHW tank.
<UV1>:
= Status of the 3-way diverter valve for heat-
ing/cylinder charging (CH = heating circuit, HW
= hot water).
9.7
Menu D: Carrying out diagnoses*
* see Figs. 1 and 2 in the appendix
