Viessmann Vitodens 100 Installation Information page 4

Removing the connecting pipe
2
1
1. Position a container underneath
the boiler water temperature
sensor 1, remove the locking
spring 2 and remove the boiler
water temperature sensor 1.
Collect drained heating water in
the container.
2. Remove the screw and the heating
water flow connecting pipe 3
with sensors.
3. Release the pipe tie and remove
the condensate pipe 4 from the
heat exchanger.
4
3 9 8
5
7
6
4
4. Remove screws and the flue
outlet 5.
5. Release the hexagon nuts and
remove the heat exchanger 6
with the heating water return
connecting pipe.
Note
Water may escape from the heat
exchanger.