Viessmann Vitocell 300-H Technical Manual
Technical Data Manual
Model Nos. and pricing: see Price List
VVVVIIIITTTTOOOOCCCCEEEELLLLLLLL333300000000----HHHH
Indirect-fired domestic hot water storage tank
42 to 119 USG / 160 to 450 ltr
Product may not be exactly as shown
Vitocell 300-H
EHA Series
Horizontal indirect-fired domestic hot water storage tank
of high-grade stainless steel
5167 534 - 01 03/2014
Product Information
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Vitocell 300-H
Fully hygienic, efficient and economical
domestic hot water production with DHW
tanks of high-grade stainless steel – horizontal
version.
The benefits at a glance:
H Corrosion-resistant tank of high-grade SA
240-316 Ti stainless steel offers a long
service life.
H Fully hygienic due to high quality
homogeneous stainless steel surfaces.
H The high-alloy material is immune to
cracking or peeling. The tank stays
hygienic and requires only minimum
service.
H The entire water content is heated by a
1¼” / 32 mm diameter stainless steel
heat exchanger surface which extends to
the bottom of the tank.
H Certified to CSA Low Lead Content
Certification Program;
including US Safe Drinking Water Act,
NSF/ANSI 372 as well as other applicable
US State requirements.
H The positioning of the tubular heat
exchanger coil further ensures that 82 to
97% of the tank volume can be drawn at
constant water temperature.
H The stainless steel heat exchanger coil is
self-venting towards the top and
self-draining towards the bottom,
therefore not susceptible to reduced heat
transfer due to air lock or sediment
deposits.
H Standby losses minimized by 2¼” /
58 mm highly effective, foamed-in-place
HCFC-free insulation.
H Easy transport into mechanical room due
to low weight and compact construction.
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VITOCELL 300-H
Product Information
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2¼” / 58 mm thick Inspection port/
foamed-in-place clean-out opening
HCFC-free insulation
Non-finned, stainless steel, tubular heat
exchanger coil extends to tank
bottom – the entire water
volume is heated ensuring no
cold spots where bacteria
growth could occur
Tank is constructed
of high-grade SA 240-316 Ti
stainless steel
Cross-Section
Product may not be exactly as illustrated.
VITOCELL 300-H
3
Technical Data
ofthedomesticho
t
andheatingwatersupply
50to113°F
/
Domesticcold/hotwater∅’’(malethread)¾¾1¼1
¼
Temp.andpress.reliefvalve∅’’(malethread)¾111¼
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Technical data
For domestic hot water heating applications which Suitable for heating systems with:
utilize hot water heating boilers H max. working pressure on heat exchanger side up to
Storage capacity USG
ltr
Recovery rates
*1
with a temperature rise
of the domestic hot
water from
50 to 140°F /
10 to 60°C
temperature of
.. . . . .
at the supply flow rate
stated below
Supply flow rate
for the recovery
194°F
90°C
176°F
80 ºC
158°F
70 ºC
MBH
GPM
ltr/h
MBH
GPM
ltr/h
MBH
GPM
ltr/h
GPM
m3/h
rates stated
7½
psig
MBH
GPM
ltr/h
Recovery rates
with a temperature rise
of the domestic hot
water from
10 to 45°C,
a steam pressure of
and a max. steam velocity of
.. . . . .
15
psig
MBH
GPM
ltr/h
164 ft/s, 50 m/s
Standby losses
*2
MBH/24 h 4.4 5.1 6.5 8.2
Overall dimensions
Overall depth inches
mm
Overall width inches
mm
Width without enclosure inches
mm
Overall height inches
mm
Weight
Tank with insulation
Heating water content
(heat exchanger pipe coil)
Heat exchanger surface area ft
lbs
kg
USG
ltr
2
2
m
Connections
Heating water supply/return
∅’’ (male thread) 1
220 psig at 392°F / 200°C or a steam pressure of 15 psig at 250°F / 121°C
H max. working pressure on DHW water side of up to 150 psig at 210°F / 99°C
42
160
96
2.1
482
78
1.8
396
51
1.1
258
13.2
3.0
53
200
113
2.5
568
85
1.9
430
58
1.3
292
22.0
5.0
Please see Vitocell-H 300 Steam Chart on page 16
Please see Vitocell-H 300 Steam Chart on page 16
42¼
1072
25¼
640
––
25¾
654
168
76
1.8
7
9.36
0.87
48¾
1236
25¼
640
––
25¾
654
185
84
2.1
8
9.7
0.9
1
1204
22.0
62½
1590
32¾
30¼
768
18.3
92
350
239
5.3
174
3.9
877
116
2.6
585
5.0
830
31
786
379
172
3.4
13
1.7
1¼
*3
*3
119
450
280
1410
212
1066
133
671
22.0
1654
35¾
910
32
810
886
421
191
22.6
6.2
4.7
3.0
5.0
65
*4
*4
35
4.2
16
2.1
1¼
*1
When planning for the recovery rate as stated or calculated, allow for the corresponding circulation pump.
The stated recovery rate is only achieved when the rated output of the boiler is equal to or greater than that stated under “Recovery
rates”. Please also refer to the corresponding sizing chart at the end of this manual.
*2
Measured values are based on a room temperature of 68 ºF / 20 ºC and a domestic hot water temperature of 149 ºF / 65 ºC and can
vary by ±5 %.
*3
To overcome mechanical room access problems, the front panel with thermometer and side panels can be removed, the adjustable feet
unscrewed, and the Vitocell 300-H turned on its side.
*4
This is the net width of the Vitocell 300-H after removing the outer casing to ease problems of access into the mechanical room.
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VITOCELL 300-H
O
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e
r
a
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l
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e
i
g
h
t
Vitocell 300-H, 42 and 53 USG / 160 and 200 ltr
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IO
Overall height
Overall width
Overall depth
Dimensions
Storage
capacity
a inches
USG
ltr
mm
42
16053200
34
40½
866
1030
Vitocell 300-H, 42 to 119 USG / 160 to 450 ltr
1½” / 36 mm
DHW /
TPV
AQ
BWS
BWR
DCW
3¼” / 83 mm1½” / 37 mm
4¼” / 105 mm
6½” / 167 mm
12¼” / 311 mm
Legend
AQ Aquastat Well
BWR Boiler Water Return
BWS Boiler Water Supply
DCW Domestic Cold Water
DHW Domestic Hot Water
IO Inspection and Clean-out Opening
TPV Temperature and Pressure Relief Valve
4¾” / 119 mm
13¼” / 336 mm
18” / 459 mm
Vitocell 300-H, 92 and 119 USG / 350 and 450 ltr
IO
Overall width
Dimensions
Storage
capacity
a
b
c
d
e
f
g
h
k
l
USG
ltr
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
92
350
55
1397
2¼
57
5½
139
6¾
170
5¼
133
78
14½
368
23
586
7½
193
23½
594
119
450
57½
1461
2¾
72
5½
138
8
203
5¼
137
3
3
78
16
409
25
636
9
226
26¾
677
Overall depth
RT /
TPV
DHW
AQ
BWS
BWR
DCW
1¼”
35 mm
Legend
AQ Aquastat Well
BWR Boiler Water Return
BWS Boiler Water Supply
DCW Domestic Cold Water
DHW Domestic Hot Water
IO Inspection and Clean-out Opening
TPV Temperature and Pressure Relief Valve
RT Recirculation tapping
VITOCELL 300-H
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