Vaillant geoTHERM Installation Instructions Manual page 89

Display shown
Installation Assistant
Auxiliary heater
Integration of the
Auxiliary heater
Out T. aux htr on
Cylinder type
>Select
9.9 Menu A: Calling up Installation Assistent
Installation instructions geoTHERM 0020051574_04
Adapting the appliance to the heating system
Description
Hydraulic scheme:
1 = without buffer tank, without domestic hot
water cylinder ¬ Fig. 5.2
2 = with buffer tank, without domestic hot water
cylinder ¬ Fig. 5.3
3 = without buffer tank, with domestic hot water
cylinder ¬ Fig. 5.4
4 = with buffer tank, with domestic hot water
cylinder or combination cylinder with solar and/
or drinking water station ¬ Fig. 5.5
10 = with buffer tank. with domestic hot water
cylinder or combination cylinder with solar and/
or drinking water station, with external passive
cooling ¬ Fig. 5.6
Electric Wiring Diagram:
1 = all standard tariff ¬ Fig. 7.3
2 = low tariff for compressor ¬ Fig. 7.5
Accept change: YES/NO;
"YES" means that all the set values will be
saved.
integration of the Auxiliary heater: This setting
A3
determines if and where the auxiliary heating is
hydraulically connected:
intern
– none: Internal and external auxiliary heating
disabled.
0 °C
Coil
Caution!
b
Risk of damage caused by freezing
In this setting, there is no frost protec-
tion during emergency operation.
> Do not deactivate the auxiliary
heating if there is a risk of frost.
– intern: Additional electric heating in the heat
pump.
– DHW + CH: External auxiliary heating available for
domestic hot water and heating circuit.
– DHW: External auxiliary heating available only for
domestic hot water.
9
Factory setting
Setting for
VWS/VWW ..0/2
intern
(Not applicable
for VWS/VWW
..0/2)
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