Vaillant geoTHERM Installation Instructions Manual page 77

Display shown
Flow temperature
in °C
70
60
50
40
22
30
20
Target room
temperature
HK2
Parameters
Type
Max. limit outs.temp.
Comp. starts at
>Select temperature
Buffer tank
Information
Flow Temp. Setpoint
T buffer top <VF1>
T buffer Bottom <RF1>
9.6. Menu C: Set parameters for the heating system
Installation instructions geoTHERM 0020051574_04
Adapting the appliance to the heating system
Description
4.0 3.5 3.0
15 10
15
This display appears when "Fixed value" has been
C2
set.
Fixed value
For energy balancing, the display "Comp. starts at"
also appears.
>20 °C
-120 °C
This menu is only displayed if a buffer tank is used
C3
(e.g. Hydraulics diagram 2, 4 or 10).
41 °C
Flow Temp. Setpoint: Target flow temperature
29 °C
T buffer top <VF1>: Temperature of the buffer tank
25°C
T buffer Bottom <RF1>: Temperature of the buffer
2.5 2.0 1.8
5 0 -5
flow temperature sensor VF1
tank return temperature sensor RF1
Factory setting
Heating curves
1.2
1.5
1.0
0.8
0.6
0.4
0.2
0.1
-10 -15 -20
Outside temperature in °C
9
77