Checking The Flue Gas Header For Tightness; Checking The Mixer For Obstructions And Leaks; Instructing The System User - Viessmann VITOCROSSAL 200 Service Instructions Manual

Type ct2, gas fired condensing boiler with matrix cylinder burner for natural gas e and ll
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Commissioning, inspection, maintenance
Further details regarding the individual steps

Checking the flue gas header for tightness

1. Visually inspect gasket A on the
flue gas collector. Traces of con-
densate on the outside of the flue
gas header indicate a leak.

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.
30
(cont.)
2. If required, retighten the gasket at
clamping clips B.
3. Check the mixer for leaks. Replace
the O-rings if the mixer leaks.
4. Snap the motorised lever into
place.

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