Vaillant geoTHERM Installation Instructions

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
B
uffer RF1 36 °C
Flow sensor VF2 38 °C
Current DHW temp. 52 °C
<UV1> HK
B
uffer 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

Vaillant geoTHERM Specifications

General

Brand	Vaillant
Model	geoTHERM
Category	Heat Pump
Language	English