Viessmann Vitosol 222-T Installation And Service Instructions For Contractors page 21

Installing the collector (positioning at 75 °)
!
Please note
Installing the vacuum tube collec-
tor and commissioning the solar
thermal system without first
ensuring heat transfer or while
the system is idle will cause ther-
mal stress.
Installation sequence
(cont.)
Cover the vacuum tube collector
with a tarpaulin (accessories)
and keep it covered until heat
transfer has been regulated.
21