Vaillant geoTHERM Installation Instructions Manual page 90

9 Adapting the appliance to the heating system
Display shown
Installation Assistant
Auxiliary heater
Integration of the
Auxiliary heater
Out T. aux htr on
Cylinder type
>Select
Installation Assistent
Geothermal settings
Freeze protect temp.
>Select
Tool
Component Test 1
<HK2-P>
<CP>
<ZH>
<SK2-P>
>Select
CH pump
Compressor
Brine pump
Soft start
<UV1>
Brine mixer
Cooling Valve
9.9 Menu A: Calling up Installation Assistent
90
Description
The controller will only activate the auxiliary heating
A3
if it is enabled in Menu C7 "Auxiliary heater" and the
following condition is satisfied:
intern
Out T. aux htr on (Bivalence point): Auxiliary heater
for reheating is only enabled in heating mode
0 °C
and during parallel operation below this outside
Coil
temperature.
Cylinder type: Setting type of cylinder for the domes-
tic hot water cylinder.
Coil: Pipe coil cylinder, e.g. VIH RW 300.
Layered: Layered cylinder, e.g. VPS /2.
A4
Freeze protect temp. (VWS only): Minimum permis-
sible brine outlet temperature. If the tempera-
ture falls below this value, error message 21/22
-10 °C
or 61/62 appears and the compressor switches
off.
Freeze protect temp. (VWW only): Protection
against frost = 4 °C.
Caution:
b
A5
Risk of damage due to improper
operation.
On
The electronics of the high-efficiency
OFF
pump and the compressor may be
damaged by overfrequent starts.
OFF
> Start the pumps and the compres-
OFF
sor a maximum of three in any one
¯
hour.
On
On
The component test can be used to test the actuators
On
of the heat pump. This intervention lasts for a maxi-
On
mum of 20 minutes and ignores current controller
HK
inputs during this time. The heat pump then returns
to the previous operating state.
Open
Open i
When the compressor is switched on, the
heating circuit pump and brine pump are
also automatically connected.
UV1 = Heating/cylinder charging diverter valve in
position
DHW = "Hot water preparation"
CH = "Heating mode"
Installation instructions geoTHERM 0020051574_04
Factory setting
0 °C
-10 °C
OFF