Viessmann VITOCAL 250-A - Pressure Sensors

197
Water pressure sensor in the indoor unit
0 0.1 0.2 0.3 0.4
0
1
2
3
4
MPa
Voltage in V
0 1 2 3 4
bar
Pressure
0.45
4.5
Fig. 29
Pressure sensors in the outdoor unit
0 1 2 3
0
1
2
3
4
5
MPa
Voltage in V
0 10 20 30
bar
Pressure
A
B
Fig. 30
A
Low pressure sensor
B
High pressure sensor
Status display, internal circulation pumps
!
A
B
Fig. 31
Appendix
Pressure sensors
6218234
Appendix