Checking The Condensate Drain And Cleaning The Siphon; Flow Limiter (Only For Gas Combi Boilers) - Viessmann VITODENS 200-W Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps

Checking the condensate drain and cleaning the siphon

Flow limiter (only for gas combi boilers)

22
(cont.)
1. Check that the condensate can
drain freely at the siphon.
2. Remove retaining clip A and
siphon B.
3. Clean siphon B.
4. Fill siphon B with water, fit it and
secure with retaining clip A.
1. Switch OFF the control unit, shut off
the cold water line and drain the
DHW side of the boiler.
2. Undo Allen screws A.
Note
Residual water may escape during
dismantling.
3. Remove flow switch B and remove
flow limiter C downwards.
4. Check flow limiter C; replace in
case of excessive scaling or
damage.
Secure flow switch B.