Viessmann Vitoligno 300-H Installation And Service Instructions For Contractors page 154

Boiler for woodchips and pellets
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Specification
Specification
Fuel
Rated heating output
Min. heat transfer
Performance data
Rated heating output
*7
Minimum heating output Q
Constant heating output
*8
Flow temperature
Permissible
*9
Maximum
*10
Minimum
*10
Minimum return temperature
Permiss. operating pressure
Boiler
Safety heat exchanger (thermally activated safety valve)
Test pressure
Minimum throughput of the thermally activated safety valve (TS)
Heating water flow rate
Flow rate (10 K diff.)
Flow rate (15 K diff.)
Flow rate (20 K diff.)
Residual head
*12
Heating surface
Total dimensions
Total length (incl. ash box and connections at the back)
Overall width (without light barrier)
Total width (with feed screw conveyor)
Total height
Top edge of flue pipe
Minimum boiler transport dimensions
Length
*13
Width
Height
Minimum room height
Transport weight
Basic boiler
Thermal insulation
Feed
Ash box
*7
For standard fuel woodchips B1 (moisture content 20-30 %) according to EN 303-5:2012 with a clean boiler
*8
Oscillating output when the boiler is used as base load boiler in continuous operation, taking cleaning intervals into account
*9
Shutdown temperature of the high limit safety cut-out
Temperature adjustable at the control unit
*10
Throughput at 2 bar (0.2 MPa) and 15 to 20 °C flow temperature
*11
Residual circulation pump head from return temperature raising facility.
*12
Transport dimensions are achieved after components are removed
*13
154
min
Wood-
chips
kW
kW
kW
kW
kW
°C
°C
°C
°C
bar
MPa
bar
MPa
0.3 - 0.6
bar
MPa
*11
m
3
/h
m
/h
³
m
/h
³
m
/h
³
m
2
m
mm
mm
mm
mm
mm
mm
mm
1145
mm
1654
mm
kg
kg
kg
kg
Wood-
chips
50
60
15
18
50
60
15
18
42
42
100
100
90
90
70
70
65
65
3
3
0.3
0.3
3 - 6
3 - 6
0.3 - 0.6
4.5
4.5
0.45
0.45
1.1
1.1
4.31
5.17
2.87
3.44
2.15
2.58
2.92
2.11
4.6
4.6
2044
2044
1135
1135
1135
1135
1870
1870
1565
1565
795
795
*13
1145
*13
*13
1654
*13
2100
2100
890
890
77
77
110
110
18
18

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