750 and 1000 l capacity
HR
a
b
n
o
c
d
e
f
g
h
k
l
m
BÖ
WW
Z
SPR
KW/E
VA
HV/SPR
b
BÖ
Inspection and cleaning aperture
E
Drain
HR
Heating water return
HV
Heating water flow
KW
Cold water
SPR Cylinder temperature sensor of the cylinder temperature con-
troller or thermostat
VA
Protective magnesium anode
WW DHW
Z
DHW circulation
Cylinder capacity
l
750
1000
Length (
7
)
a
mm
960
1060
Width
b
mm
1045
1145
Height
c
mm
2106
2166
d
mm
1923
2025
e
mm
1327
1373
f
mm
901
952
g
mm
321
332
h
mm
104
104
k
mm
505
555
l
mm
7
180
7
180
m
mm
457
468
n
mm
947
1047
Excl. thermal insulation
o
mm
7
750
7
850
Performance factor N
L
To DIN 4708.
Cylinder storage temperature T
cyl
= cold water inlet tempe 50 K
+5 K/-0 K
Cylinder capacity
l
160
200
300
500
750
1000
Performance factor N
L
at heating water flow temper-
ature
90 °C
2.5
4.0
9.7
21.0
40.0
45.0
80 °C
2.4
3.7
9.3
19.0
34.0
43.0
70 °C
2.2
3.5
8.7
16.5
26.5
40.0
Information regarding performance factor N
L
The performance factor N
L
depends on the cylinder storage tempera-
ture T
cyl
.
Standard values
■ T
cyl
= 60 °C → 1.0 × N
L
■ T
cyl
= 55 °C → 0.75 × N
L
■ T
cyl
= 50 °C → 0.55 × N
L
■ T
cyl
= 45 °C → 0.3 × N
L
DHW cylinders
(cont.)
VITOSOL
VIESMANN
91
5822 440 GB
11
