WW DHW
Z
DHW circulation
Cylinder capacity
l
130
160
200
a
mm
200
250
300
b
mm
471
616
780
c
mm
721
866
1030
d
mm
907
1052
1216
e
mm
640
640
640
f
mm
654
654
654
Dim. a: Minimum wall clearance to enable the installation/removal of
the protective magnesium anode.
Performance factor N
L
to DIN 4708
Cylinder storage temperature T
cyl
= cold water inlet tempe50 K
+5 K/–0 K
Cylinder capacity
l
130
160
200
Performance factor N
L
at heating water flow temperature
90 °C
1.3
2.2
3.5
80 °C
1.3
2.2
3.5
70 °C
1.1
1.6
2.5
Performance factor N
L
The performance factor N
L
varies according to the cylinder storage
temperature 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
Peak output (over 10 minutes)
Relative to the performance factor N
L
and DHW heating from 10 to
45 °C
Cylinder capacity
l
130
160
200
Peak output
(l/10 min)
at heating water flow temperature
90 °C
159
199
246
80 °C
159
199
246
70 °C
148
173
210
Max. draw-off rate (over 10 minutes)
Based on performance factor N
L
With booster
DHW heating from 10 to 45 °C
Cylinder capacity
l
130
160
200
Max. draw-off rate
(l/min)
at heating water flow temperature
90 °C
16
20
24
80 °C
16
20
24
70 °C
15
17
21
Available water volume
Cylinder volume heated to 60 °C
Without booster
Cylinder capacity
l
130
160
200
Draw-off rate
l/min
10
10
10
Available water volume
l
100
145
180
Water with t = 60 °C (constant)
DHW cylinder
(cont.)
28
VIESMANN
VITOGAS
3
5822 428 GB
