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DHW cylinders
750 and 1000 litre capacity
VA
BÖ
10
b
BÖ
Inspection and cleaning aperture
E
Drain
HR
Heating water return
HV
Heating water flow
KW
Cold water
Capacity
Length (7)
Width
Height
excl. thermal insulation
Performance factor N
L
To DIN 4708.
Cylinder storage temperature T
Capacity
Performance factor N
at a heating water flow tem-
L
perature of
90 °C
80 °C
70 °C
Performance factor N
L
The performance factor N
temperature T
.
cyl
Standard values for
→ 1.0 × N
■ T
= 60 °C
cyl
L
→ 0.75 × N
■ T
= 55 °C
cyl
L
→ 0.55 × N
■ T
= 50 °C
cyl
→ 0.3 × N
■ T
= 45 °C
cyl
L
VIESMANN
84
(cont.)
WW
Z
HV/SPR
HR
k
KW/E
l
750
a
mm
960
b
mm
1046
c
mm
2100
d
mm
1923
e
mm
1327
f
mm
901
g
mm
321
h
mm
104
k
mm
505
l
mm
7 180
m
mm
457
n
mm
947
o
mm
7 750
= cold water inlet temperature + 50 K
cyl
l
varies according to the cylinder storage
L
L
o
n
b
SPR Cylinder temperature sensor of the cylinder temperature control
or the control thermostat
VA
Protective magnesium anode
WW DHW
Z
DHW circulation
1000
1060
1144
2160
2025
1373
952
332
104
555
7 180
468
1047
7 850
+5 K/-0 K
160
200
300
2.5
4.0
9.7
2.4
3.7
9.3
2.2
3.5
8.7
SPR
500
750
21.0
40.0
19.0
34.0
16.5
26.5
VITOSOL
1000
45.0
43.0
40.0
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