Checking The Water Quality; Cleaning And Reconnecting The Condensate Drain System - Viessmann VITOCROSSAL 300 Type CT3 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 27.
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 the VDI 2035 (see page 27).
The pH value should be between 8.2 and 9.5.

Cleaning and reconnecting the condensate drain system

The condensate drain, siphon, neutralising system and all intermediate hoses and
pipes are part of the condensate drain system.
Note
Clean the inside of the condensate drain
system at least annually.
Commissioning, inspection, maintenance
Total water
volume Feedwater Boiler
°dH
3
m
(cont.)
Total hardness
water
°dH
pH value Date
15