Viessmann Vitocrossal 200 Service Instructions Manual page 7

Further details regarding the individual steps
Checking the high limit safety cut out setting
The high limit safety cut out must not
be set higher than 110 °C; if required,
set it to a maximum of 110 °C.
Filling the heating system with water and venting the system
Record the fill volume and concentra-
tion of calcium hydrogen carbonate on
page 29.
Filling the siphon with water
Starting the heating system
Control unit operating and ser-
vice instructions, and neutralis-
ing system operating
instructions
Initial start-up, inspection, maintenance
Control unit installation and
service instructions
Note
Observe the "water quality require-
ments" on page 61.
1. Release the siphon and fill with
water (otherwise flue gas may
escape).
2. Check that the condensate can
freely drain.
3. Refit the siphon.
7