Viessmann Vitoradial 300-T Service Instructions Manual page 27

Specification
Rated heating output
T /T = 50/30 °C
F R
T /T = 80/60 °C
F R
Rated heat input
CE designation
Permissible flow temperature
(= safety temperature)
Permiss. operating pressure
Weight boiler body
Total weight
Boiler incl. thermal insulation, burner
and boiler control unit
Total weight
Boiler incl. thermal insulation and
boiler control unit
Capacity boiler water
Boiler connections
Boiler flow and return
Safety connection (safety valve)
(male thread)
Drain (male thread)
Flue gas parameters *1
Temperature (at a return tempera-
ture of 30 °C)
At rated heating output
■
At partial load
■
Temperature (at a return tempera-
ture of 60 °C)
Flue gas mass flow rate
For natural gas
■
For fuel oil EL
■
Flue gas connection
Standard seasonal efficiency [to
DIN]
(for operation with fuel oil)
At heating system temperature
75/60 °C
Standby loss q
B,70
*1 Values for calculating the size of the flue system to EN 13384, relative to 13.2 % CO
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.
kW 101
kW 94
kW 97
°C
bar
kPa
kg 370
kg 510
kg
—
litres 185
PN 6 DN 65
R 1
¼
R 1
¼
°C 35
°C 30
°C 60
kg/h 1.5225 x combustion output in kW
kg/h
mm
7
%
% 1.5
129 157 201
120 146 188
124 151 194
CE-0035BU104
110
4
400
405 460 520
545 610 680
— — —
225 265 310
65 65 65
1 1 1
¼ ¼ ¼
1 1 1
¼ ¼ ¼
40 45 40
35 40 35
60 65 60
1.5 x combustion output in kW
200
97 (H ) [gross cv]
s
1.2 1.1 1.0
for fuel oil EL and 10 % CO
2
Specification
263 335
245 313
254 323
700 800
870 970
— —
490 450
65 80
1 1
½ ½
1 1
¼ ¼
40 45
35 40
70 70
1.0 0.9
for
2
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