Vaillant geoTHERM Installation Instructions Manual page 126

17 Appendix
Electrical circuit diagram - VWW
blue
brown
white
white
17.5 Appendix, Electrical circuit diagram VWW 220/2 - VWW
300/2
126
brown
grey
black
blue
brown
blue
yellow-green
brown
blue
yellow-green
black
blue
brown
grey
black
blue
brown
grey
black
blue
brown
grey
black
blue
High-pressure
Pressure sensor
sensor
Brine circuit
Pressure sensor
Low-pressure
Heating circuit
sensor
Pressure
sensors
black
black
brown
grey
L1
blue
grey
L2
black
red
L3
black
Fuse
T4A/250 V
orange
orange
brown
Fuse
yellow-green
T4A/250 V
brown
blue
yellow-green
brown
blue
yellow-green
L
N
PE
black
black
grey
brown
black
orange
black
grey
brown
orange
white
black
grey
brown
white
yellow yellow
black black
grey grey
brown brown
yellow yellow
black
black
grey
brown
black
blue
black
grey
brown
brown
black
6
yellow-green
5
blue
4
black
3
grey
2
brown
Installation instructions geoTHERM 0020051574_04
black
black
black
grey
brown
black
grey
brown
black
grey
brown
white
black
grey
brown
black
grey
brown
brown
1
grey
2
L L3 L3 L black
3
PE L2 L2 PE blue
4
N L1 L1 N
5
1 6
L3
L2
L1
PE
black
grey
brown