Cleaning And Reconnecting The Condensate Drain Pipe; Checking The Condensate Drain And Neutralising System (If Installed); Checking Gaskets And Thermal Insulation Sections - Viessmann Vitocrossal 300 Service Instructions For Contractors

Commissioning, inspection, maintenance

Cleaning and reconnecting the condensate drain pipe

Note
Clean the inside of the condensate drain pipe at least
once a year.
A B
Fig. 7
1. Disconnect drain hose
2. Clean the inside of the condensate drain pipe
(hose, pipes).
3. Clean the neutralising system (if installed) in
accordance with the manufacturer's instructions.
Neutralising system operating instructions
Note
The neutralising agent can be ordered with part
no. 9521702.

Checking the condensate drain and neutralising system (if installed)

Fill water into the combustion chamber.
Note
The water must flow from the condensate drain pipe
without backing up.
If necessary, clean the condensate drain pipe again.

Checking gaskets and thermal insulation sections

1. Check the gaskets and packing cords in the boiler
door for damage.
2. Check the thermal insulation components on the
boiler door for damage.
14
.
C
C
E
D
4. Undo and flush lower part
5. Fill lower part
D of siphon
Check the trap for leaks.
6. Insert 4 quarter-turn rotary latches
back panel .
A
3. Replace any damaged components.
of siphon .
D E
E with water and refit.
. Refit lower
B