Fig. 6
Vitoair installation instructions
1. Connect the flue outlet with the shortest possible
run to the chimney and maintain a slight incline.
External Ø, flue outlet:
150 and 200 kW: 178 mm
250 and 310 kW: 198 mm
400 to 620 kW: 248 mm
2. Create a test port.
3. Seal in and insulate the flue pipe. Joints must be
gas-tight.
Fitting the thermal insulation
Note
All components required for fitting the thermal insula-
tion can be found in the thermal insulation box.
Boiler body thermal insulation