13
Operating the Appliance
6 720 610 600 GB (03.06)
B The maximum operating pressure of 2.5 bar at maximum
central heating flow temperature must not be exceeded. If the
pressure increases to 3 bar then the relief valve (15) opens.
C
H
C
8.1
15
6 720 610 600-03.1O
bar
0
1
2
3
4
