Checking The Water Quality - Viessmann VITOCROSSAL 300 Service Instructions Manual

Further details regarding the individual steps

Checking the water quality

Enter the amount of top-up water and the
total hardness of the feed and boiler
water into the following table.
For water quality requirements, see
page 35.
Meter read- Fill and top-
ing up water
3 3
m m
The total hardness of the feed and top-
up water must not exceed the standard
values specified by VDI 2035 (see
page 35).
Commissioning, inspection, maintenance
Total water
volume Feedwater Boiler wa-
3
m
The pH value should be between 8.2 and
9.5.
(cont.)
Total hardness
ter
pH value Date
19