Viessmann VITOLIGNO 300-S Operating Instructions Manual page 11

Appliance description
Overview of components
Fig. 2
Heat exchanger cleaning cover
A
Lifting eye/sight glass
B
Hopper cover
C
Hopper
D
Combustion chamber maintenance cover
E
Combustion chamber
F
Flue gas fan
G
Cleaning door for flue gas collector chamber and
H
secondary air chamber
Ash pan
K
Note
Combustion chamber maintenance covers
located on the right and left-hand sides of the boiler.
(cont.)
are
E
Flue gas collector chamber
L
Secondary air chamber
M
Ignition
N
Ash pan
O
Ash chamber
P
Primary air damper
Q
Ash door
R
Lighter basket
S
Secondary air damper
T
Introductory information
11