Viessmann VITOSOL 100-F Service Instructions Manual page 7

Further details regarding the individual steps
5
1 System pressure of the solar thermal system
2 Supplement, static head 0.1 bar/m
3 System pressure (pressure gauge)
Pressure reserve for ventilation
Charge pressure
Pre-charge pressure of expansion vessel 5
Note
Record the "pre-charge pressure" level on the expansion
vessel.
4 Supplement 0.1 bar/m
Commissioning, inspection, maintenance
1
P
3
(cont.)
2
4
5
................
................
................
................
................
1.0 bar
bar
bar
+ 0.1 bar
bar
bar
bar
7