3.4 Specification Vitocell 300-H, type EHA
For DHW heating in conjunction with boilers, district heating systems
and low temperature heating systems
Suitable for systems with
■ Heating water flow temperature up to 200 °C
■ operating pressure on the heating water side up to 25 bar or satu-
rated steam with 1 bar positive pressure
■ operating pressure on the DHW side up to 10 bar
Cylinder capacity litres 160 200 350 500
DIN register number 0081/08-10 MC
Continuous output
for DHW heating from 10 to
45 °C and a heating water flow
temperature of ... at the heating
water throughput stated below
90 °C
kW 32 41 80 97
l/h 786 1007 1966 2383
80 °C
kW 28 30 64 76
l/h 688 737 1573 1867
70 °C
kW 20 23 47 55
l/h 490 565 1155 1351
65 °C
kW 17 19 40 46
l/h 417 467 983 1130
60 °C
kW 14 16 33 38
l/h 344 393 811 934
Continuous output
for DHW heating from 10 to
60 °C and a heating water flow
temperature of ... at the heating
water throughput stated below
90 °C
kW 28 33 70 82
l/h 482 568 1204 1410
80 °C
kW 23 25 51 62
l/h 396 430 877 1066
70 °C
kW 15 17 34 39
l/h 258 292 585 671
Heating water throughput
for the stated continuous outputs
m
3
/h
3.0 5.0 5.0 5.0
Continuous output
for DHW heating from 10 to
45 °C and saturated steam
from ... with a max. steam veloc-
ity of 50 m/s
0.5 bar
kW – – 83 83
l/h 2039 2039
1.0 bar
kW – – 105 105
l/h 2580 2580
Standby heat loss q
BS
at 45 K tempera-
ture differential (actual values to
DIN 4753-8)
kWh/24 h 1.20 1.30 1.90 2.30
Overall dimensions
Total length mm 1072 1236 1590 1654
Total width mm 640 640 830 910
Width without casing mm – – 768 810
Total height mm 654 654 786 886
Weight
DHW cylinder with thermal insulation
kg 76 84 172 191
Heating water content litres 7 8 13 16
Heating surface
m
2
0.87 0.9 1.7 2.1
Connections
Heating water flow and return R 1 1 1¼ 1¼
Cold water, hot water R ¾ ¾ 1¼ 1¼
DHW circulation R 1 1 1 1¼
Information on width without casing (350 and 500 litres)
350 litre: Where access into the boiler room is difficult, the front panel
with thermometer and the side panels can be removed, the
adjustable feet can be unscrewed and the DHW cylinder can
be turned to one side.
500 litre: Where access to the boiler room is difficult, removal of the
casing leaves the DHW cylinder with only the dimensions
given in the table.
Information regarding continuous output
When designing the system for the continuous output as stated or cal-
culated, allow for the corresponding circulation pump. The stated con-
tinuous output is only achieved when the rated boiler output
≥
contin-
uous output.
DHW cylinder
(cont.)
30
VIESMANN
VITOGAS
3
5822 428 GB
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