■ Operating pressure on the solar side up to 10 bar (1.0 MPa)
■ Operating pressure on the DHW side up to 10 bar (1.0 MPa)
Specification
Type CVWA
Cylinder capacity
(AT: Actual water capacity)
l 300 390 500
Heating water capacity l 22 27 40
Gross volume l 322 417 540
DIN registration no. 9W173-13MC/E
Continuous output for DHW heating from 10 to 45 °C and
a heating water flow temperature of … at the heating water
flow rate stated below
90 °C kW 85 98 118
l/h 2093 2422 2896
80 °C kW 71 82 99
l/h 1749 2027 2428
70 °C kW 57 66 79
l/h 1399 1623 1950
60 °C
kW 42 49 59
l/h 1033 1202 1451
50 °C kW 25 29 36
l/h 617 723 881
Continuous output for DHW heating from 10 to 60°C and
a heating water flow temperature of … at the heating water
flow rate stated below
90 °C kW 73 85 102
l/h 1255 1458 1754
80 °C kW 58 67 81
l/h 995 1159 1399
70 °C kW 41 48 59
l/h 710 830 1008
Heating water flow rate for the stated continuous outputs
m
3
/h
3.0 3.0 3.0
Draw-off rate l/min 15 15 15
Drawable water volume without reheating
– Cylinder content heated to 45 °C
Water at t = 45 °C (constant)
l 210 285 350
– Cylinder content heated to 55 °C
Water at t = 55 °C (constant)
l 210 285 350
Heat-up time if connected to a heat pump with 16 kW rated heating
output and a heating water flow temperature of 55 or 65 °C
– For DHW heating from 10 to 45 °C min 50 60 66
– For DHW heating from 10 to 55 °C min 60 76 85
Max. connectable heat pump output at 65 °C heating water flow and
55 °C DHW temperature and the specified heating water flow rate
kW 12 15 17
Max. aperture area that can be connected to the solar heat ex-
changer set (accessories)
– Vitosol-T
m
2
— 6 6
– Vitosol-F
m
2
— 11.5 11.5
Performance factor N
L
in conjunction with a heat pump
Cylinder storage temperature 45 °C 1.7 2.5 3.5
50 °C 1.9 2.8 3.9
Standby heat loss kWh/24 h 1.65 1.80 1.90
Dimensions
Length (7)
– With thermal insulation a mm 667 859 859
– Excl. thermal insulation mm — 650 650
Total width
– With thermal insulation b mm 744 923 923
– Excl. thermal insulation mm — 881 881
Height
– With thermal insulation c mm 1734 1624 1948
– Excl. thermal insulation mm — 1522 1844
Height when tilted
– Incl. thermal insulation mm 1825 — —
– Excl. thermal insulation mm — 1550 1860
Entire weight incl. thermal insulation kg 180 190 200
Heating surface
m
2
3.0 4.0 5.5
Installation accessories
(cont.)
70
VIESMANN
VITOCAL
6
5831388
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