Vitoligno 300-C Installation/Service
5790 980 - 04
28
Installation
Clearances
Recommended minimum service clearances
For typical Vitoligno 300-C series boiler installations,
Viessmann recommends installing the boiler with the
service clearances shown in the illustrations.
Boiler model 300-C
32
48
Top
0
0
Sides (left and right)
0
0
Front
0
0
Rear
0
0
Floor
noncombustible
noncombustible
Minimum clearances for version with pellet supply via
vacuum system
Minimum clearances for version with pellet supply via
flexible screw conveyor
Legend
A
Boiler
B
Connection unit for pellet supply with flexible screw
conveyor (can be pivoted 90° to the front or back)
Legend
A
Boiler
B
Pellet hopper
Minimum clearances flexible screw conveyor
a
in. (mm)
30 (765)
b
in. (mm)
36 (920)
c
in. (mm)
26/35
b
*
(670/900
*
)
d
in. (mm)
31
b
(800)
e
in. (mm)
16 (400)
f
in. (mm)
20 (500)
Minimum room
height in. (mm)
79 (2000)
Note:
The specified wall clearances are required for
installation and maintenance work.
*
Dimension c, when the flexible screw conveyor
is routed to the back parallel to the boiler.
Minimum clearances vacuum system
a
in. (mm)
30 (765)
b
in. (mm)
36 (920)
c
in. (mm)
35
b
(900)
d
in. (mm)
31
b
(800)
e
in. (mm)
16 (400)
f
in. (mm)
20 (500)
g
in. (mm)
4 (100)
h
in. (mm)
22
b
(570)
Minimum room
height in. (mm) 79
(2000)
Recommended minimum service clearances
For typical Vitoligno 300-C series boiler installations,
Viessmann recommends installing the boiler with the
service clearances shown in the illustrations.