Technical Data Manual

Model Nos. and pricing: see Price List

Vitocell 100-V CVWC

Single coil, indirect-fired domestic hot water storage tank

Capacities: 53 USG (200 L), 66 USG (250 L), 79 USG (300 L)

Product Description: Vertical indirect-fired domestic hot water (DHW) storage tank of steel construction, with enamel finish.

⚠️ CAUTION: This tank version is not suitable for steam heating applications.

Certifications: Recognized Component, Intertek Listed, Conforms to UL STD 174, Certified to CSA STD C22.2#110

Product Information & Benefits

Hygienic, convenient, and economical Domestic hot water (DHW) heating with DHW tanks - vertical version.

Benefits at a glance:

Cross Section

A cross-section diagram illustrates the internal components of the Vitocell 100-V tank.

Legend:

Technical Data - Vitocell 100-V CVWC 53 USG (200 L)

For domestic hot water heating applications which utilize modulating and low temperature hot water heating boilers and the Vitocal 100-AW AM2Vseries.

Specification Value
Storage capacity53 USG (200 L)
InsulationPUR Foam
Heating Supply flow rate (GPM m³/h)11.9 (2.7)
Recovery rates
With a rise of DHW from 50 to 113°F (10 to 45°C) and heating water supply temp of:
194°F (90°C) MBH (kW)215 (63)
GPH (L/h)407 (1541)
176°F (80°C) MBH (kW)181 (53)
GPH (L/h)339 (1285)
158°F (70°C) MBH (kW)144 (42)
GPH (L/h)270 (1024)
149°F (65°C) MBH (kW)124 (36.2)
GPH (L/h)235 (891)
140°F (60°C) MBH (kW)105 (30.6)
GPH (L/h)199 (753)
131°F (55°C) MBH (kW)85 (24.7)
GPH (L/h)161 (608)
122°F (50°C) MBH (kW)62 (18.1)
GPH (L/h)118 (446)
With a rise of DHW from 50 to 122°F (10 to 50°C) and heating water supply temp of:
194°F (90°C) MBH (kW)205 (60)
GPH (L/h)339 (1285)
176°F (80°C) MBH (kW)171 (50)
GPH (L/h)279 (1057)
158°F (70°C) MBH (kW)134 (39)
GPH (L/h)217 (823)
149°F (65°C) MBH (kW)111 (32.5)
GPH (L/h)185 (700)
140°F (60°C) MBH (kW)90 (26.5)
GPH (L/h)151 (570)
131°F (55°C) MBH (kW)67 (19.6)
GPH (L/h)112 (423)
With a rise of DHW from 50 to 131°F (10 to 55°C) and heating water supply temp of:
194°F (90°C) MBH (kW)195 (57)
GPH (L/h)286 (1083)
176°F (80°C) MBH (kW)157 (46)
GPH (L/h)231 (876)
158°F (70°C) MBH (kW)120 (35)
GPH (L/h)173 (658)
149°F (65°C) MBH (kW)96 (28.2)
GPH (L/h)142 (539)
140°F (60°C) MBH (kW)72 (21.1)
GPH (L/h)107 (405)
With a rise of DHW from 50 to 140°F (10 to 60°C) and heating water supply temp of:
194°F (90°C) MBH (kW)185 (54)
GPH (L/h)242 (918)
176°F (80°C) MBH (kW)147 (43)
GPH (L/h)191 (725)
158°F (70°C) MBH (kW)103 (30)
GPH (L/h)135 (514)
149°F (65°C) MBH (kW)78 (22.6)
GPH (L/h)103 (389)
Specification Value
Storage tank draw volume at 113°F (45°C) without reheating with tank temp of:
113°F (45°C)37 USG (140 L)
122°F (50°C)53 USG (203 L)
131°F (55°C)70 USG (266 L)
140°F (60°C)87 USG (330 L)
Storage tank draw volume at 131°F (55°C) without reheating with tank temp of:
131°F (55°C)37 USG (140 L)
140°F (60°C)53 USG (203 L)
Heating time (minutes) for heat pump with specified nominal heat output (A7/W35) for DHW temp rise of 50 to 113°F (10 to 45°C) and heating supply water temp of 140°F (60°C):
20.5 MBH (6 kW)86
27.3 MBH (8 kW)65
34.1 MBH (10 kW)52
44.4 MBH (13 kW)40
58.0 MBH (17 kW)30
Heating time (minutes) for DHW temp rise of 50 to 122°F (10 to 50°C) and heating supply water temp of 140°F (60°C):
20.4 MBH (6 kW)98
27.3 MBH (8 kW)74
34.1 MBH (10 kW)59
44.4 MBH (13 kW)45
58.0 MBH (17 kW)35
Maximum Operating Temperature
Heating System Supply248°F (120°C)
Domestic Hot Water180°F (82°C)
Standby heat loss (qB,S at 81°F (45 K) temp differential)4.2 (1.22) MBTU/24h (kWh/24h)
Dimensions*
Overall length26-¼ in. (668 mm)
Overall width28-¼ in. (714 mm)
Overall height*48-½ in. (1229 mm)
Tilt height53-¾ in. (1365 mm)
Weight
Tank with insulation214 lbs (97 kg)
Heat exchanger surface area21.5 ft² (2.0 m²)
Heating water content (heat exchanger pipe coil)3.83 USG (14.5 L)
Connections*³
Heating water supply/return1 in. (male NPT thread)
Domestic cold/hot water1 in. (male NPT thread)
Temp. and press. relief valve1 in. (male NPT thread)
Recirculation1 in. (male NPT thread)

*¹ For additional dimensions, see illustrations and table on “Tank Dimensions Vitocell 100-V CVWC 53 USG (200 L)" on page 10.

*² Adjustable feet can be adjusted up to 1-¼ in. (35 mm).

*³ With installation of supplied adaptors.

Technical Data - Vitocell 100-V CVWC 66 USG (250 L)

For domestic hot water heating applications which utilize modulating and low temperature hot water heating boilers and the Vitocal 100-AW AM2Vseries.

Specification Value
Storage capacity66 USG (250 L)
InsulationPUR Foam
Heating Supply flow rate (GPM m³/h)11.9 (2.7)
Recovery rates
With a rise of DHW from 50 to 113°F (10 to 45°C) and heating water supply temp of:
194°F (90°C) MBH (kW)239 (70)
GPH (L/h)450 (1705)
176°F (80°C) MBH (kW)198 (58)
GPH (L/h)375 (1423)
158°F (70°C) MBH (kW)161 (47)
GPH (L/h)299 (1135)
149°F (65°C) MBH (kW)137 (40.1)
GPH (L/h)261 (988)
140°F (60°C) MBH (kW)116 (34.0)
GPH (L/h)221 (836)
131°F (55°C) MBH (kW)94 (27.4)
GPH (L/h)178 (675)
122°F (50°C) MBH (kW)69 (20.2)
GPH (L/h)131 (496)
With a rise of DHW from 50 to 122°F (10 to 50°C) and heating water supply temp of:
194°F (90°C) MBH (kW)229 (67)
GPH (L/h)375 (1423)
176°F (80°C) MBH (kW)188 (55)
GPH (L/h)309 (1172)
158°F (70°C) MBH (kW)147 (43)
GPH (L/h)240 (912)
149°F (65°C) MBH (kW)123 (36.1)
GPH (L/h)205 (777)
140°F (60°C) MBH (kW)100 (29.4)
GPH (L/h)167 (633)
131°F (55°C) MBH (kW)75 (21.9)
GPH (L/h)124 (471)
With a rise of DHW from 50 to 131°F (10 to 55°C) and heating water supply temp of:
194°F (90°C) MBH (kW)215 (63)
GPH (L/h)317 (1200)
176°F (80°C) MBH (kW)175 (51)
GPH (L/h)256 (971)
158°F (70°C) MBH (kW)134 (39)
GPH (L/h)192 (730)
149°F (65°C) MBH (kW)107 (31.3)
GPH (L/h)158 (599)
140°F (60°C) MBH (kW)80 (23.5)
GPH (L/h)118 (450)
With a rise of DHW from 50 to 140°F (10 to 60°C) and heating water supply temp of:
194°F (90°C) MBH (kW)205 (60)
GPH (L/h)268 (1017)
176°F (80°C) MBH (kW)161 (47)
GPH (L/h)212 (804)
158°F (70°C) MBH (kW)117 (34)
GPH (L/h)151 (572)
149°F (65°C) MBH (kW)86 (25.2)
GPH (L/h)114 (433)
Specification Value
Storage tank draw volume at 113°F (45°C) without reheating with tank temp of:
113°F (45°C)46 USG (175 L)
122°F (50°C)67 USG (254 L)
131°F (55°C)88 USG (333 L)
140°F (60°C)109 USG (412 L)
Storage tank draw volume at 131°F (55°C) without reheating with tank temp of:
131°F (55°C)46 USG (175 L)
140°F (60°C)67 USG (254 L)
Heating time (minutes) for heat pump with specified nominal heat output (A7/W35) for DHW temp rise of 50 to 113°F (10 to 45°C) and heating supply water temp of 140°F (60°C):
20.4 MBH (6 kW)108
27.3 MBH (8 kW)81
34.1 MBH (10 kW)65
44.4 MBH (13 kW)50
58.0 MBH (17 kW)38
Heating time (minutes) for DHW temp rise of 50 to 122°F (10 to 50°C) and heating supply water temp of 140°F (60°C):
20.4 MBH (6 kW)123
27.3 MBH (8 kW)92
34.1 MBH (10 kW)74
44.4 MBH (13 kW)57
58.0 MBH (17 kW)43
Maximum Operating Temperature
Heating System Supply248°F (120°C)
Domestic Hot Water180°F (82°C)
Standby heat loss (qB,S at 81°F (45 K) temp differential)4.5 (1.31) MBTU/24h (kWh/24h)
Dimensions*
Overall length26-¼ in. (668 mm)
Overall width28-¼ in. (714 mm)
Overall height*56-½ in. (1430 mm)
Tilt height61 in. (1548 mm)
Weight
Tank with insulation245 lbs (111 kg)
Heat exchanger surface area24.2 ft² (2.25 m²)
Heating water content (heat exchanger pipe coil)4.36 USG (16.5 L)
Connections*³
Heating water supply/return1 in. (male NPT thread)
Domestic cold/hot water1 in. (male NPT thread)
Temp. and press. relief valve1 in. (male NPT thread)
Recirculation1 in. (male NPT thread)

*¹ For additional dimensions, see illustrations and table on “Tank Dimensions Vitocell 100-V CVWC 66 and 79 USG (250 and 300 L)" on page 11.

*² Adjustable feet can be adjusted up to 1-¼ in. (35 mm).

*³ With installation of supplied adaptors.

Technical Data - Vitocell 100-V CVWC 79 USG (300 L)

For domestic hot water heating applications which utilize modulating and low temperature hot water heating boilers and the Vitocal 100-AW AM2Vseries.

Specification Value
Storage capacity79 USG (300 L)
InsulationPUR Foam
Heating Supply flow rate (GPM m³/h)11.9 (2.7)
Recovery rates
With a rise of DHW from 50 to 113°F (10 to 45°C) and heating water supply temp of:
194°F (90°C) MBH (kW)260 (76)
GPH (L/h)492 (1863)
176°F (80°C) MBH (kW)219 (64)
GPH (L/h)411 (1556)
158°F (70°C) MBH (kW)175 (51)
GPH (L/h)328 (1242)
149°F (65°C) MBH (kW)150 (43.9)
GPH (L/h)286 (1081)
140°F (60°C) MBH (kW)127 (37.2)
GPH (L/h)242 (916)
131°F (55°C) MBH (kW)103 (30.1)
GPH (L/h)196 (741)
122°F (50°C) MBH (kW)76 (22.2)
GPH (L/h)144 (545)
With a rise of DHW from 50 to 122°F (10 to 50°C) and heating water supply temp of:
194°F (90°C) MBH (kW)250 (73)
GPH (L/h)411 (1556)
176°F (80°C) MBH (kW)205 (60)
GPH (L/h)338 (1282)
158°F (70°C) MBH (kW)161 (47)
GPH (L/h)263 (999)
149°F (65°C) MBH (kW)135 (39.5)
GPH (L/h)225 (851)
140°F (60°C) MBH (kW)110 (32.3)
GPH (L/h)184 (695)
131°F (55°C) MBH (kW)82 (24.0)
GPH (L/h)137 (517)
With a rise of DHW from 50 to 131°F (10 to 55°C) and heating water supply temp of:
194°F (90°C) MBH (kW)236 (69)
GPH (L/h)346 (1313)
176°F (80°C) MBH (kW)192 (56)
GPH (L/h)280 (1063)
158°F (70°C) MBH (kW)144 (42)
GPH (L/h)211 (801)
149°F (65°C) MBH (kW)118 (34.4)
GPH (L/h)174 (658)
140°F (60°C) MBH (kW)89 (25.9)
GPH (L/h)131 (495)
With a rise of DHW from 50 to 140°F (10 to 60°C) and heating water supply temp of:
194°F (90°C) MBH (kW)222 (65)
GPH (L/h)294 (1114)
176°F (80°C) MBH (kW)178 (52)
GPH (L/h)233 (882)
158°F (70°C) MBH (kW)127 (37)
GPH (L/h)165 (628)
149°F (65°C) MBH (kW)95 (27.7)
GPH (L/h)126 (476)
Specification Value
Storage tank draw volume at 113°F (45°C) without reheating with tank temp of:
113°F (45°C)55 USG (210 L)
122°F (50°C)80 USG (305 L)
131°F (55°C)106 USG (400 L)
140°F (60°C)131 USG (495 L)
Storage tank draw volume at 131°F (55°C) without reheating with tank temp of:
131°F (55°C)55 USG (210 L)
140°F (60°C)81 USG (305 L)
Heating time (minutes) for heat pump with specified nominal heat output (A7/W35) for DHW temp rise of 50 to 113°F (10 to 45°C) and heating supply water temp of 140°F (60°C):
20.4 MBH (6 kW)129
27.3 MBH (8 kW)97
34.1 MBH (10 kW)78
44.4 MBH (13 kW)60
58.0 MBH (17 kW)46
Heating time (minutes) for DHW temp rise of 50 to 122°F (10 to 50°C) and heating supply water temp of 140°F (60°C):
20.4 MBH (6 kW)147
27.3 MBH (8 kW)111
34.1 MBH (10 kW)89
44.4 MBH (13 kW)68
58.0 MBH (17 kW)52
Maximum Operating Temperature
Heating System Supply248°F (120°C)
Domestic Hot Water180°F (82°C)
Standby heat loss (qB,S at 81°F (45 K) temp differential)5.3 (1.54) MBTU/24h (kWh/24h)
Dimensions*
Overall length26-¼ in. (668 mm)
Overall width28-¼ in. (714 mm)
Overall height*67 in. (1697 mm)
Tilt height70-½ in. (1790 mm)
Weight
Tank with insulation278 lbs (126 kg)
Heat exchanger surface area26.9 ft² (2.5 m²)
Heating water content (heat exchanger pipe coil)4.76 USG (18 L)
Connections*³
Heating water supply/return1 in. (male NPT thread)
Domestic cold/hot water1 in. (male NPT thread)
Temp. and press. relief valve1 in. (male NPT thread)
Recirculation1 in. (male NPT thread)

*¹ For additional dimensions, see illustrations and table on “Tank Dimensions Vitocell 100-V CVWC 66 and 79 USG (250 and 300 L)" on page 11.

*² Adjustable feet can be adjusted up to 1-¼ in. (35 mm).

*³ With installation of supplied adaptors.

Tank Dimensions

Vitocell 100-V CVWC 53 USG (200 L)

Diagram showing dimensions and labeled ports for the 53 USG tank.

Dimension Label CVWC 53 (in. mm)
a26-¼ (668)
b28-¼ (714)
c68 (1728)
d12-¾ (323)
e3-¼ (83)
f10-½ (268)
g31 (788)
h35-½ (898)
k45 (1140)
l50-¼ (1277)
m57-½ (1457)
n64-¾ (1641)

Adjustable feet can be adjusted up to 1-¼ in. (35 mm).

Vitocell 100-V CVWC 66 and 79 USG (250 and 300 L)

Diagram showing dimensions and labeled ports for the 66 and 79 USG tanks.

Dimension Label CVWC 66 (in. mm) CVWC 79 (in. mm)
a26-¼ (668)26-¼ (668)
b28-¼ (714)28-¼ (714)
c76 (1929)86-½ (2196)
d40-¼ (1022)43-½ (1101)
e12-¾ (323)12-¾ (323)
f3-¼ (83)3-¼ (83)
g10-½ (268)10-½ (268)
h38-½ (978)41-¾ (1057)
k34 (866)46 (1167)
l53 (1345)63-¼ (1607)
m58-¾ (1488)69 (1754)
n65-¾ (1667)76-¼ (1934)
o73 (1851)83-½ (2118)

Adjustable feet can be adjusted up to 1-¼ in. (35 mm).

Legend for Dimensions Diagrams:

Related Product Information

The document also references the Vitocell 100-E MSCA 20 USG Buffer Tank, showing its front and rear connection ports.

Legend for Vitocell 100-E MSCA Connections:

Refer to the Technical Data Manual for the Vitocell 100-E MSCA for additional information.

Pressure Drop

Pressure drop curves are provided for each tank size (53, 66, and 79 USG) showing pressure drop in mbar (and ft) versus flow rate in l/min (and GPM) for Heating System Water (Curve A) and Domestic Hot Water (DHW) (Curve B).

Vitocell 100-V CVWC 53 USG (200L) Pressure Drop

Graph showing pressure drop for the 53 USG tank.

Vitocell 100-V CVWC 66 USG (250L) Pressure Drop

Graph showing pressure drop for the 66 USG tank.

Vitocell 100-V CVWC 79 USG (300L) Pressure Drop

Graph showing pressure drop for the 79 USG tank.

Standard Equipment

Vitocell 100-V, CVWC 53 USG (200 L) capacity

Steel DHW tank with enamel coating.

Vitocell 100-V, CVWC 66 USG (250 L) capacity

Steel DHW tank with enamel coating.

Vitocell 100-V, CVWC 79 USG (300 L) capacity

Steel DHW tank with enamel coating.

System Design Guidelines

Domestic hot water connections

A simplified conceptual diagram illustrates typical domestic hot water connections for the Vitocell tank system.

Legend for System Design Diagram:

! IMPORTANT: This is a simplified conceptual drawing only! Piping and necessary componentry must be field verified. Proper installation and functionality in the field is the responsibility of the heating contractor.

Additional System Information

Sensors

Sensor clamps are used for control sensors to ensure maximum operational safety. For solar heating systems, Viessmann recommends placement of the DHW tank temperature sensor in the solar collector return, requiring a brass elbow with the sensor well.

⚠️ WARNING: To ensure optimum, safe operation, the stainless steel well must be used. The well diameter is large enough to accommodate a wide variety of sensing bulbs. Always use spring clip to ensure proper contact of capillary bulb against the stainless steel well for proper sensing/heat transfer!

Heating water supply temperature over 248°F (120°C)

For these operating conditions, an approved high limit must be installed to limit the domestic hot water temperature to 180°F (82°C) in the tank.

Temperature and pressure relief valve

A 150 psi temperature and pressure relief valve (T&P relief valve) is supplied with the tank. The heating contractor must install the valve on each tank in a method meeting code requirements. If local codes require a different relief valve, substitute the manufacturer's supplied valve. Maximum operating pressure is 150 psig.

The T&P relief valve supplied with the tank is tested under ANSI Z21.22 Code for Relief Valves and Automatic Gas Shut-off Devices for Hot Water Supply Systems.

T&P Valve Specification Value
ASME pressure steam rating150 psig
CSA temperature steam ratingSee ratings marked on T&P valve
Relief temperature205 MBH
Inlet thread210°F (99°C)
Outlet thread¾ in. male
Outlet thread¾ in. female

Tempering valve

Ensure that temperature tempering valve(s) is installed if the domestic hot water storage tank temperature exceeds 140°F (60°C) to protect from scalding. Consult plumbing codes and authorities for local requirements.

Installation of additional high limit temperature device(s)

⚠️ WARNING: In a multiple-tank installation, it is recommended that an additional high limit temperature device be installed in the common domestic hot water supply header to the system. This safety device should be wired in series to the operating control of the tank battery. The setting on this additional high limit temperature device should be approximately 9°F (5°C) higher than the operating high limit.

Recirculation tapping

The recirculation tapping is on a separate tapping. Cap this opening if the tank is not installed with recirculation.

Backflow preventers

Where backflow preventers are required, a domestic water expansion tank installation is recommended in the cold water inlet piping before the cold water enters the Vitocell. For the backflow device, observe local plumbing codes and regulations.

Warranty consideration

Viessmann DHW tanks require that the water heated should be of drinking water quality and that any water treatment equipment in use must function correctly.

If the product has been improperly installed or misapplied by the installer, contractor or final user, Viessmann accepts no responsibility for damage howsoever caused and reserves the right to withdraw the product warranty. In order to qualify for product warranty, strict adherence to the installation and service manuals must be observed.

In the event that components not approved by Viessmann are utilized, Viessmann reserves the right to withdraw all expressed or implied warranties without written notice.

The water to be heated with the Vitocell must be drinking (potable) water quality. If the tank is used to heat other media, the warranty will be null and void. Damage resulting from excessive pressure or temperature is clearly not the responsibility of Viessmann.

The amount of chloride and sulfate acceptable to the tank is limited. In areas where high concentrations of chloride and sulfate are present in drinking water, please consult Viessmann for directions.

For full warranty details, please read the product warranty sheet.

Contact Information

Viessmann Manufacturing Company (U.S.) Inc.
45 Access Road
Warwick, Rhode Island 02886 USA
TechInfo Line: 1-888-484-8643
Phone: 1-800-288-0667
Fax: (401) 732-0590
Website: www.viessmann-us.com
Email: info@viessmann-us.com

Viessmann Manufacturing Company Inc.
750 McMurray Road
Waterloo, Ontario N2V 2G5 Canada
TechInfo Line: 1-888-484-8643
Phone: 1-800-387-7373
Fax: (519) 885-0887
Website: www.viessmann.ca
Email: info@viessmann.ca

Printed on environmentally friendly (recycled and recyclable) paper. Technical information subject to change without notice.

Models: Vitocell 100-V 100 V 160 Litre Hot Water Tank, Vitocell, 100-V 100 V 160 Litre Hot Water Tank, 160 Litre Hot Water Tank, Hot Water Tank, Water Tank, Tank

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