65
A
B
7.
To prevent damage to electrical com-
ponents, connect an on-site hose to
secondary circuit air vent valve
B
.
Open secondary circuit air vent valve
B
.
8.
Move 3-way diverter valve
A
by its
handle into its centre position.
9.
Close secondary circuit air vent valve
B
.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5782 176 GB
Service