Viessmann Vitocaldens 222-F Installation Instructions Manual page 18

Routing through a shaft
Open flue operation
A
1 5 3 4 6
E
D
A Secondary ventilation
B Flue gas
C Inspection port
D Supply air vent
E Supply air
18
(cont.)
B
2
3
4
2
3
2
3
A
2
2
C
Boiler flue connection
1
Standard shaft pack
2
Comprising:
■ Support bend
■ Support rail
■ Shaft cover
■ Spacers (5 pce)
Flue pipe
3
2 m long
1 m long
0.5 m long
Flue bend (for use in corbelled
chimneys)
30° or 15°
Inspection piece, straight
4
Flue bend
5
87° or 2 x 45°
or
Inspection tee
87°
Ventilation bezel
6
Adaptor 7 60 mm to 7 80 mm