Vaillant geoTHERM Installation Instructions Manual page 125

High-pressure
Pressure sensor
Heating circuit
brown
grey
black
Fuse
T4A/250 V
white
white
17.4 Appendix, Electrical circuit diagram VWS 380/2 - VWS
460/2
Installation instructions geoTHERM 0020051574_04
blue
grey
black
orange
orange
brown
blue
yellow-green
brown
blue
yellow-green
black
blue
brown
grey
black
blue
brown
grey
black
blue
brown
grey
black
blue
Pressure sensor
sensor
Brine circuit
Low-pressure
sensor
Pressure
sensors
grey
L1
blue
L2
red
L3
black
orange
orange
brown
Fuse
yellow-green
T4A/250 V
brown
blue
yellow-green
brown
blue
yellow-green
brown
blue
yellow-green
L
N
PE
orange
black
grey
brown
orange
black
black
grey
brown
black
orange
black
grey
brown
black
black
black
grey
brown
black
6
yellow-green
5
blue L
4
black PE L2
3
grey N
2
brown
1
Appendix
black
black
black
grey
brown
yellow-green
black
grey
brown
black
black
grey
brown
black
grey
brown
L3
L1
17
L3
L2
L1
PE
6
5
L1 L2
4
PE L3
3
WSK WSK
2
1
L3
L2
L1
PE
125