Boiler Components - Viessmann Vitoflex 300-UF Series Installation And Operating Instructions Manual

Mechanical
Boiler Dimensions
Legend
A Boiler return
B Motor for de-ashing assembly with ash container
(optional)
C Primary air blower 1
D Boiler supply
Dimensions
Boiler Model
a
b

Boiler Components

22
(continued)
UF 390
in. (mm) 129 (3282)
3 / 16
in. (mm) 149 (3800)
5 / 8
a
b
E Secondary air blower
F In-feed auger
UF 530 UF 720
149 (3782) 152 (3877)
5 / 8
169 (4300) 174 (4434)
5 / 16 9 / 16
Legend
BS Boiler supply
BR Boiler return
A De-ashing assembly with ash container
B Cleaning cover, heat exchanger
C Combustion chamber temperature sensor
D Negative overpressure monitoring assembly
E Light barrier, combustion chamber
F Igniter (optional)
G Cleaning cover trough
H Cleaning cover, external grate
K Light barrier de-ashing system
L Heat exchanger door
M Pneumatic cleaning system
N Combustion chamber door
O Limit switch, combustion chamber door
P Primary air blower 2
Q Drive, in-feed grate
R Temperature sensor in-feed auger
S Limit switch, maintenance cover
T Light barrier, in-feed auger
U Extinguishing water connection
V Boiler drain and fill valve
Vitoflex 300-UF Installation & Operating
UF 950
151 (3835)
173 (4392)
UF 1250
172 (4380)
1 / 2
194 (4937)
3 / 8