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