Checking The Mixer For Obstructions And Leaks; Instructing The System User; Operating And Service Documents - Viessmann Vitocrossal 200 Service Instructions Manual

Initial start-up, inspection, maintenance
Further details regarding the individual steps
3. Top up your heating system with
water and vent until the filling pres-
sure of a cool system is 0.1 to 0.2
bar higher than the inlet pressure
of the diaphragm expansion ves-
sel.
Permissible operating pressure: 4
bar

Checking the mixer for obstructions and leaks

1. Remove the motorised lever from
the mixer handle.
2. Check the mixer for ease of opera-
tion.

Instructing the system user

The installer must instruct the user in
the operation of the system.

Operating and service documents

1. Complete and detach the customer
registration card:
Hand the system user this part
for safekeeping.
Retain the heating engineer's
part.
30
(cont.)
3. Check the mixer for leaks. Replace
the O rings if the mixer leaks.
4. Snap the motorised lever into
place.
2. File all parts lists, operating and
service instructions in the folder
and hand this over to the system
user.