34
Rated heating output
T
F
/T
R
= 50/30 °C
kW
101 129 157 201 263 335 425
545
T
F
/T
R
= 80/60 °C
kW
94 120 146 188 245 313 407
522
Rated heat input
kW
97 124 151 194 254 323 420
538
CE designation
CE-0035BU104
Permissible flow temperature
(= safety temperature) °C
110
Permiss. operating pressure
bar
4
kPa
400
Weight
boiler body
kg
370 405 460 520 700 800 950 1015
Total weight
kg
510 545 610 680 870 970
—
—
Boiler incl. thermal insulation, burner and boiler control
unit
Total weight
kg
—
—
—
—
—
—
119
0
1305
Boiler incl. thermal insulation and boiler control unit
Capacity
boiler water
litres
185 225 265 310 490 450 600
650
Boiler connections
Boiler flow and return
PN 6
DN
65
65
65
65
65
80 100
100
Safety connection (safety valve) (male thread)
R
1
¼
1
¼
1
¼
1
¼
1
½
1
½
2
2
Drain (male thread)
R
1
¼
1
¼
1
¼
1
¼
1
¼
1
¼
1
¼
1
¼
Flue gas parameters
*1
Temperature (at a return temperature of 30 °C)
■
At rated heating output
°C
35
40
45
40
40
45
55
55
■
At partial load
°C
30
35
40
35
35
40
37
41
Temperature (at a return temperature of 60 °C)
°C
60
60
65
60
70
70
75
80
Flue gas mass flow rate
■
For natural gas
kg/h
1.5225 x combustion output in kW
■
For fuel oil EL
kg/h
1.5 x combustion output in kW
Available draught at the flue outlet
Pa/
mbar
70/0.7
Flue gas connection
7
mm
200
Standard seasonal efficiency [to DIN]
(for operation with fuel oil)
At heating system temperature
75/60 °C
%
97 (H
s
) [gross cv]
Standby loss
q
B,70
%
1.5
1.2
1.1
1.0
1.0
0.9
0.9
0.8
*1
Values for calculating the size of the flue system to EN 13384, relative to 13.2 % CO
2
for fuel oil EL and 10 % CO
2
for
natural gas.
Flue gas temperatures as actual gross values at 20 °C combustion air temperature.
The details for partial load refer to an output of 60 % of rated heating output. If the partial load differs (depending on operat-
ing mode), calculate the flue gas mass flow rate accordingly.
Specification
Specification
5692820
Appendix
Содержание VITORADIAL 300-T Type VR3
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