750 and 1000 litre 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 control
or the control thermostat
VA
Protective magnesium anode
WW DHW
Z
DHW circulation
Capacity
l
750
1000
Length (
7
)
a
mm
960
1060
Width
b
mm
1046
1144
Height
c
mm
2100
2160
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
Capacity
l
160
200
300
500
750
1000
Performance factor N
L
at a heating water flow tem-
perature of
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
Performance factor N
L
The performance factor N
L
varies according to the cylinder storage
temperature T
cyl
.
Standard values for
■ 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 cylinder
(cont.)
20
VIESMANN
VITOGAS
3
5822 428 GB
