Vaillant geoTHERM Installation Instructions Manual page 92

9 Adapting the appliance to the heating system
Display shown
Installation assistant
VPM W
With electric heating element
>Select
Installation assistant
Compressor
Compressor hyster.
Max. CH return temp.
>Select
End of Installation Assistant
Install. completed?
>Adjustable values
9.9 Menu A: Calling up Installation Assistent
92
Description
The menu only appears if a VPM W drinking water
A9
station is installed.
NO
With electrical heating element: Connection of an
additionally installed additional electric heating
system for creating the temperature for the
Anti-legionella circuit in the circulation line by
inputting "YES".
Compressor hyster.:
A10
The menu entry only appears for hydraulic
schemes with direct heating mode.
7 K
Forced switching on of the compressor if:
46 °C
Actual flow temperature < target flow tempera-
ture minus hysteresis
Forced switching off of the compressor if:
Actual flow temperature > target flow tempera-
ture plus hysteresis
Max. CH return temp.:
Setting the limit for the return temperature for
the compressor operation.
This function is intended to avoid unnecessary,
short-time compressor operation.
i
Commissioning:
Only set "Install. completed?" to "YES"
until you are sure that everything has
been correctly adjusted.
When you have confirmed with "YES", the controller
switches to the basic display. The heat pump starts
>YES
under its autonomous control system.
This menu no longer appears once "YES" has been
set during commissioning.
Installation instructions geoTHERM 0020051574_04
Factory setting
7 K
46 °C