12
!
Please note
Unsuitable water quality can damage the boiler
body.
Only fill the boiler with water that complies with
the "water quality requirements" (see service
instructions and guideline VDI 2035).
Connections on the flue gas side
ØD
Ø10 mm
2-3 x ØD
Fig. 10
Vitoair installation instructions
1.
Connect the flue outlet with the shortest possible
run to the chimney and maintain a slight rise.
External Ø, flue outlet:
90 and 120 kW
178 mm
150 to 350 kW
198 mm
440 to 560 kW
248 mm
2.
Create a test port.
3.
Seal in and thermally insulate the flue pipe (all con-
nections/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.
Making the safety connection and testing for…
(cont.)
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