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Technical DataVitocell 300-W/V, EVIA/EVIB Technical DataTechnical Data 300-V EVIB-450For domestic hot water (DHW) heating applicationswhich utilize modulating and low temperature hot waterheating boilers.ModelStorage capacitySupply flow ratefor the recovery rates statedSuitable for heating systems with:max. working pressure on heat exchanger side upto 220 psig at 392 F (200 C)max. working pressure on DHW water side of upto 150 psig at 210 F (99 C)300-V EVIB119 (450)USG (L)GPM (m3/h)Recovery rates*1with a DHW temperature rise of thedomestic hot water from 50 to 140ºF(10 to 60ºC) and heating water supplytemperature of.at the supply flow rate statedabove194ºF (90ºC)22 (5.0)MBH (kW) 204 (60)GPH (L/h) 275 (1042)MBH (kW)GPH (L/h)MBH (kW)158ºF (70ºC)GPH (L/h)176ºF (80ºC)163 (48)216 (820)115 (34)152 (579)13.2 (3.0)8.8 (2.0)4.4 (1.0)196 (57)262 (989)184 (54)245 (929)154 (45)206 (780)155 (45)207 (781)110 (32)147 (555)146 (43)195 (737)105 (31)139 (528)124 (36)166 (627)91 (27)121 (458)AHRI Certified Performance Rating *2Heating InputBoiler Supply Water TemperatureHeating Supply Flow RateFirst DrawFirst Hour RatingMBH (kW)ºF (ºC)GPM (LPM)Gal (L)GPH (LPH)189 (55)180 (82)14 (53)112 (424)413 (1563)Continuous Draw RatingStandby Heat LossGPH (LPH)ºF/hr (ºC/hr)301 (1139)0.4 (0.2)InsulationDimensions*3Tank length without insulationOverall length with insulationTank width without insulationOverall width with insulationTank height without insulationOverall height with insulation*4Tilt height without insulationWeightTank with insulationHeating water content(heat exchanger pipe coil)Heat exchanger surface areaConnectionsHeating water supply/returnDomestic cold/hot waterTemp. and press. relief valveRecirculationSoft PETin.in.in.in.in.in.in.in.in.7 in.7 mm)24 (610)32c (832)32 (811)35 (888)74b (1895)77 (1960)78 (1978)lbs (kg)187 (85)USG (L)ft.2 (m2)3.43 (13)18.3 *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 thatstated under “Recovery rates”.*2 AHRI Standard IWH-TS-1 based on domestic water temperature rise of 77ºF (42.7ºC ).*3 For additional dimensions, see illustrations and table on page 9.*4 Adjustable feet can be adjusted up to 2 in. (50 mm).5472 455 - 01For information regarding other Viessmann System Technology componentry, please reference documentation ofthe respective product.7

Technical DataVitocell 300-W/V, EVIA/EVIB Technical DataTank Dimensions42 USG (160 L) and 53 USG (200 L) TanksDimensionsModelStoragecapacityUSG )(mm)(mm)(mm)(mm)(mm)(mm)300-W, EVIA300-V, EVIA42 (160)53 (200)23 (581)24 (605)47 (1189)41b (1055)33 (843)25 (635)13 (335)2c (70)12b (317)23 (581)24 (605)55b (1409)50 (1275)35 (885)25 (635)13 (335)2c (70)12b (317)LegendBWR Boiler Water ReturnBWS Boiler Water SupplyDDrainDCW Domestic Cold WaterDHW Domestic Hot WaterIOInspection OpeningRTDHW Recirculation TappingTPV Temperature and Pressure relief ValveTSSensor well for tank Temperature Sensor ortemperature controller, internal diameter a in.(7 mm)79 USG (300 L) TankDimensionsModel300-V, EVIAStorage capacityUSG )(mm)(mm)(mm)(mm)(mm)(mm)79 (300)26a (667)29a (744)68a (1734)14a (362)3 (77)13 (327)34b (876)44 (1116)63a (1607)85472 455 - 01LegendDHW Domestic Hot WaterBWR Boiler Water ReturnIOInspection/cleanout OpeningBWS Boiler Water SupplyTPV Temperature and Pressure relief ValveDDrainRTDHW Recirculation TappingDCW Domestic Cold WaterTSSensor well for tank Temperature Sensor ortemperature controller, internal diameter f in.(17 mm)

Technical DataVitocell 300-W/V, EVIA/EVIB Technical DataTank Dimensions(continued)119 USG (450 L) TankDimensionsModel300-V, EVIBStorage capacityUSG mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)119 (450)732c(832)35 (888)77 (1960)71b (1821)46 (1168)36 (916)17a (441)3c (98)4 (100)19 (484)LegendIOInspection and clean-out OpeningDDrainBWR Boiler Water ReturnBWS Boiler Water SupplyDCW Domestic Cold WaterDHW Domestic Hot WaterRT DHW Recirculation TappingTPV Temperature and Pressure relief ValveTS Clamping system for fastening TemperatureSensors to the tank shell. Fastening channels forthree temperature sensors per clamping system.*1 For solar heating systems Viessmann recommendsplacement of the DHW tank temperature sensor inthe heating water return (BWR). This requires abrass elbow with sensor well (see price list, Vitocell300 accessory).5472 455 - 01DHW tank temperature sensor in solar heatingapplications 119 USG (450 L).LegendA DHW tank temperature sensor for solar application(included with solar control unit)B Brass elbow with sensor wellC Solar collector return connection.9

Technical DataVitocell 300-W/V, EVIA/EVIB Technical DataWater FlowModel300-W 300-V 300-V 300-VEVIA EVIA EVIA EVIBStorage capacityUSG(L)Domestic hotwater draw rateGPM(L/min)Domestic hotUSGwater draw water (L)with t 140 F(60 C)(constant)tank volume%42(160)2.6(10)35(133)835379119(200) (300) (450)2.6(10)4.0(15)4.0(15)4163103(155) (240) (390)77.580Pressure DropPressure drop on the heating water side87Heat-up timeThe stated heating times are achieved when themaximum recovery rate of the domestic hot water tankis made available at the respective supply temperatureand with a domestic hot water rise from 50 F to 140 F(10 C to 60 C).Model300-W 300-V 300-V 300-VEVIA EVIA EVIA EVIBStorage capacity USG425379119(L) (160) (200) (300) (450)Heating waterHeat-up time (minutes)supply temperature19212517194 F (90 C)33202430176 F (80 C)30374046158 F (70 C)Pressure drop on the DHW sidePressure DropDomestic hot water draw rateStorage tank contents heated to 140 F (60 C), boiler notreheating.Heating water flow rateLegendA 42 and 53 USG (160 and 200 L) capacityB 79 USG (300 L) capacityC 119 USG (450 L) capacity10LegendA 42 and 53 USG (160 and 200 L) capacityB 79 USG (300 L) capacityC 119 USG (450 L) capacity5472 455 - 01DHW flow rate

Vitocell 300-W/V, EVIA/EVIB Technical DataProduct InstallationStandard EquipmentVitocell 300-W, EVIA 42 USG (160 L) capacityDHW tank made from stainless steel.Integral welded sensor well for tank temperaturesensor/temperature controller (internal diameter 7 mm)Temperature and pressure relief valveInstallation fittingsTechnical literature setThermometerAdjustable feetFitted thermal insulationColor of the epoxy-coated sheet steel casing: white.Vitocell 300-V, EVIA 53 USG (200 L) capacityDHW tank made from stainless steel.Integral welded sensor well for tank temperaturesensor/temperature controller (internal diameter 7 mm)Temperature and pressure relief valveInstallation fittingsTechnical literature setThermometerAdjustable feetFitted thermal insulationColor of the epoxy-coated sheet steel casing: Vitosilver.Threaded elbow with solar sensor well (optional)[well internal dia. a in. (6.5 mm)]Vitocell 300-V, EVIA 79 USG (300 L) capacityDHW tank made from stainless steel.Integral welded sensor well for tank temperaturesensor/temperature controller (internal diameter 17 mm)Temperature and pressure relief valveInstallation fittingsTechnical literature setThermometerAdjustable feetFitted thermal insulationColor of the epoxy-coated sheet steel casing: Vitosilver.Threaded elbow with solar sensor well (optional)[well internal dia. a in. (6.5 mm)]5472 455 - 01Vitocell 300-V, EVIB 119 USG (450 L) capacityDHW tank made from stainless steel.One clamping system with three fastening channelsfor attaching temperature sensors to the tank shell.Temperature and pressure relief valveInstallation fittingsTechnical literature setThermometerAdjustable feetSeparate carton with removable thermal insulationColor of the plastic-coated thermal insulation:VitosilverThreaded elbow with solar sensor well (optional)[well internal dia. a in. (6.5 mm)]11

Product InstallationVitocell 300-W/V, EVIA/EVIB Technical DataMultiple Tank InstallationTechnical dataThe DHW tanks may be combined into batteries consisting of 2 tanks [79 USG (300 L)] tanks or 3 [119 USG (450 L)] tanks.Tank batteries consisting of more than 3 tanks can be installed by creating up to 4 batteries, each consisting of 2 tanks.The heating contractor is responsible to ensure proper piping on both the primary and secondary circuits.ModelTank storage capacityTotal capacity of tank batteryNumber of storage tanksRecovery rates*1with a temperature rise of thedomestic hot water from50 to 140 F (10 to 60 C)and heating water supplytemperature of. at the supplyflow rate stated belowSupply flow ratefor the recovery rates statedStandby heat loss*2USG (L)USG (L)MBH (kW)GPH (L/h)MBH (kW)176 F (80 C)GPH (L/h)MBH (kW)158 F (70 C)GPH (L/h)194 F (90 C)300-V, EVIA79 (300)158 (600)2354 (104)472 (1788)278 (82)372 (1412)196 (58)264 (1002)300-V, EVIB119 (450)238 (900)357 (1350)23408 (120)612 (180)550 (2082)825 (3123)326 (96)489 (144)432 (1640)648 (2460)232 (68)348 (102)304 (1158)456 (1737)GPM (m3/h)26.4 (6)44.0 (10)66.0 (15)BTU/h (ºF/h)302 (0.5)574 (0.3)861 (0.3)32 (3.0)36.6 (3.4)54.9 (5.1)Heat exchanger surface areaft.2(m2)*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 thatstated under “Recovery rates”.*2 Measured values are based on a room temperature of 68ºF (20ºC) and a domestic hot water temperature of149ºF (65ºC) and can vary by 5%.For domestic hot water heating applications whichutilize modulating and low temperature hot waterheating boilersExamples of multiple tank installations (shown).All fittings including manifolds are field supplied.ModelStorage tank capacity300-VEVIA300-VEVIB79 USG(300 L)119 USG(450 L)223Common header sizeboiler supply / returnin.(mm)2(51)2(51)2(51)Common header sizedomestic hot /cold waterin.(mm)1a(32)1a(32)1b(38)Dimensions withinsulationOverall width*1in.(mm)59(1495)74c(1900)116c(2968)# of storage tanksLegendDAVBWRBWSDCW/DDHWRT12Drain on the heating water sideAir Vent valveHeating Water ReturnHeating Water SupplyDomestic Cold Water and Drain on the DHW sideDomestic Hot WaterDHW Recirculation Tapping5472 455 - 01*1 Overall width includes 2” clearance space betweenthe tanks.

Product InstallationVitocell 300-W/V, EVIA/EVIB Technical DataMultiple Tank Installation(continued)Domestic hot water draw rateStorage tank content heated to 140 F (60 C),boiler not reheatingModelStorage tank capacityNumber of storage tanksBattery storage capacityDHW draw rateDomestic hot water drawWater with t 140 F(60ºC) (constant)300-V, EVIB300-V, EVIA119 USG (450 L)79 USG (300 L)USG (L)GPM (L/min)USG (L)% of battery volume2158 (600)2238 (900)3357 (1350)7.9 (30)7.9 (30)11.9 (45)126.8 (480)206 (780)309 (1170)939393Quick recovery (over 10-minute period)Domestic hot water rise from 50 F to 113 F (10 C to 45 C)Heating water supply temperature194 F (90 C)USG/10 min(L/10 min)186(704)292(1104)438(1656)176 F (80 C)USG/10 min(L/10 min)172(649)283(1072)425(1608)158 F (70 C)USG/10 min(L/10 min)164(620)274(1038)411(1557)Max. domestic hot water draw rate (over 10-minute period)Domestic hot water rise from 50 F to 113 F (10 C to 45 C)5472 455 - 01Heating water supply temperature194 F (90 C)GPM(L/min)18.6(70.4)19.1(110.4)43.7(165.6)176 F (80 C)GPM(L/min)17.0(64.9)28.3(107.2)42.4(160.8)158 F (70 C)GPM(L/min)16.3(62.0)27.4(103.8)41.1(155.7)13

Product InstallationVitocell 300-W/V, EVIA/EVIB Technical DataSystem Design GuidelinesDomestic hot water connections14IMPORTANTThis is a simplified conceptual drawing only!Piping and necessary componentry must be fieldverified. Proper installation and functionality in thefield is the responsibility of the heating contractor.5472 455 - 01LegendA Domestic hot water (DHW) supplyB DHW recirculation lineC DHW recirculation pump with integrated check valveD Discharge pipeE Pressure and temperature relief valveF Shut-off valvesG DrainH Domestic cold water (DCW) supply linesI Backflow preventerJ DCW inletK Precharged expansion tank(required where backflow preventer is installed;check local plumbing codes and requirements)L Thermostatic mixing valve/anti-scald valveP Boiler supplyQ Boiler return

Vitocell 300-W/V, EVIA/EVIB Technical DataSystem Design GuidelinesProduct Installation(continued)Boiler hot water connections (single coil)Note: See pages 4, 5, 6 and 7 for technical information.5472 455 - 01LegendA Vitocell 300B BoilerC Domestic Cold Water (DCW)D Domestic Hot Water (DHW)E Boiler supplyF Boiler return15

Product InstallationVitocell 300-W/V, EVIA/EVIB Technical DataAdditional System InformationSensor clamps for 119 USG (450 L) tankSensor clamps are supplied with the tank.Heating water supply temperature over 230ºF (110ºC)For these operating conditions, an approved highlimit must be installed to limit the domestic hot watertemperature to 203 F (95 C) in the tank.Temperature and pressure relief valveA 150 psi temperature and pressure relief valve (T&Prelief valve) is supplied with the tank. The heatingcontractor must install the valve on each tank in amethod meeting code requirements. If local codes requirea different relief valve, substitute the manufacturer’ssupplied valve. Maximum operating pressure is 150 psig.The T&P relief valve supplied with the tank is testedunder ANSI Z21.22 Code for Relief Valves and AutomaticGas Shut-off Devices for Hot Water Supply Systems.T&P ValveASME pressure steam ratingCSA temperature steam ratingRelief temperatureInlet threadOutlet thread150 psigsee ratings marked onT&P valve205 MBH*210 F (99 C)c in. malec in. female* 105 MBH for 42 USG (160 L)Tempering valveEnsure that temperature tempering valve(s) is installedif the domestic hot water storage tank temperatureexceeds 140 F (60 C) to protect from scalding.Consult plumbing codes and authorities for localrequirements.Scan fordigital copyof thisdocumentIn a multiple-tank installation, it is recommended thatan additional high limit temperature device be installedin the common domestic hot water supply header to thesystem. This safety device should be wired in series tothe operating control of the tank battery.The setting on this additional high limit temperaturedevice should be approximately 9 F (5 C) higher thanthe operating high limit.Recirculation tappingThe recirculation tapping is on a separate tapping (seepages 8 and 9). Cap this opening if the tank is notinstalled with recirculation.Printed on environmentally friendly(recycled and recyclable) paper.To ensure optimum, safe operation, the stainless steelwell must be used. The well diameter is large enough toaccommodate a wide variety of sensing bulbs. Always usespring clip to ensure proper contact of capillary bulb againstthe stainless steel well for proper sensing/heat transfer!WARNINGBackflow preventersWhere backflow preventers are required, a domesticwater expansion tank installation is recommended inthe cold water inlet piping before the cold water entersthe Vitocell. For the backflow device, observe localplumbing codes and regulations.Warranty considerationViessmann DHW tanks require that the water heatedshould be of drinking water quality and that any watertreatment equipment in use must function correctly.If the product has been improperly installed or misappliedby the installer, contractor or final user, Viessmannaccepts no responsibility for damage howsoever causedand reserves the right to withdraw the product warranty.In order to qualify for product warranty, strict adherenceto the installation and service manuals must be observed.In the event that components not approved by Viessmannare utilized, Viessmann reserves the right to withdraw allexpressed 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 othermedia, the warranty will be null and void. Damageresulting from excessive pressure or temperature isclearly not the responsibility of Viessmann.The amount of chloride and sulfate acceptable to the tankis limited. In areas where high concentrations of chlorideand sulfate are present in drinking water, please consultViessmann for directions.For full warranty details, please read the product warrantysheet.Technical information subject to change without notice.WARNINGInstallation of additional high limit temperature device(s)5472 455 - 01Sensor wells for 42 USG (160 L) to 79 USG (300 L) tanksThe installed sensor wells are to be used for controlsensors to ensure maximum operational safety.For solar heating systems, Viessmann recommendsplacement of the DHW tank temperature sensor in thesolar collector return. This requires a brass elbow withthe sensor well (see page 8).

Technical Data Vitocell 300-W/V, EVIA/EVIB Technical Data Technical Data 300-V EVIA-300 Model 300-V EVIA Storage capacity USG (L) 79 (300) Supply flow rate for the recovery rates stated GPM (m3/h) 22 (5.0) 13.2 (3.0) 8.8 (2.0) 4.4 (1.0) Recovery rates*1 with a DHW temperature rise of the domestic hot water from 50 to 140ºF