Technical Manual

Vitocell 300-H, 42 to 119 USG / 160 to 450 ltr
6 VITOCELL 300-H
Domestic hot water draw rate Pressure drop on heating water side
Storage tank contents heated to 140°F / 60°C, boiler not reheating (primary circuit)
Storage Capacity USG
ltr
42
160
53
200
92
350
119
450
Domestic hot water
draw rate
GPM
ltr/min
2.6
10
2.6
10
4.0
15
4.0
15
Domestic hot water USG
draw ltr
Water with
t = 140°F/60°C (constant)
40
150
49
185
83
315
116
440
Percentage Tank Volume 94% 93% 90% 97%
Heat-up time
The stated heating times are achieved when the maximum recovery
rate of the domestic hot water tank is made available at the
respective supply temperature and with a domestic hot water rise
from 50 to 140°F / 10 to 60°C.
Storage Capacity USG
ltr
42
160
53
200
92
350
119
450
Heating water supply
temperature
Heat-up time (minutes)
194°F / 90°C
176°F / 80°C
158°F / 70°C
19
26
34
18
25
32
15
20
31
20
26
40
42 USG / 160 ltr storage capacity
53 USG / 200 ltr storage capacity
92 USG / 350 ltr storage capacity
119 USG / 450 ltr storage capacity
42 and 53 USG / 160 and 200 ltr storage capacity
92 and 119 USG / 350 and 450 ltr storage capacity
5
1
6
7
5
3
4
-
0
1
P
r
e
s
s
u
r
e
d
r
o
p
Waterflow
ltr/h
GPM
400 1000
“ w.c. mbar
44 10 000
16 40
20 50
24 60
32 80
40 100
80 200
120 300
160 400
200 500
240 600
320 800
1.6 4
2 5
2.4 6
3.2 8
4 10
8 20
12 30
1.2 3
2.2 500 2.6 600 3.5 800 4.4 1 000
9 2 000
13 3 000 18 4 000 22 5 000 26 6 000 35 8 000
Pressure drop on domestic hot water side
(secondary circuit)
Pressure drop
Waterflow
ltr/min
GPM
8 20
“ w.c. mbar
80
21
0.8 2
1.2 3
1.6 4
2 5
2.4 6
3.2 8
4 10
0.4 1
10
3
20
5
30
8
40
11
50
13
60
16