Evb series dual coil domestic hot water storage tank 79 and 119 usg / 300 and 450 ltr capacity (12 pages)
Summary of Contents for Viessmann EVBB-A
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VIESMANN Installation and service instructions for contractors Vitocell 300-B/-W Type EVBB-A DHW cylinder with internal indirect coils, 300 l Type EVBA-A DHW cylinder with internal indirect coils, 500 l VITOCELL 300-B/-W Please keep safe. 6173371 GB 6/2022...
Safety instructions Safety instructions Please follow these safety instruc- tions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk Details identified by the word "Note" of injury. contain additional information. Please note This symbol warns against the risk of material losses and environmen- tal pollution.
Please note Repairing components that fulfil a safety function can compromise the safe operation of the system. Replace faulty components only with genuine Viessmann spare parts. Auxiliary components, spare and wearing parts Please note Spare and wearing parts that have...
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Index Index Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................Vitocell 300-B/-W, type EVBA-A, EVBB-A .......... ■ System examples ................■ Maintenance parts and spare parts ............ ■ Inspection and maintenance ..............Preparing for installation Unpacking and handling (300 l) .............
Information Disposal of packaging Please dispose of packaging waste in line with statu- tory regulations. Symbols The steps in connection with commissioning, inspec- Symbol Meaning tion and maintenance are found in the "Commission- Reference to other document containing ing, inspection and maintenance" section and identified further information as follows: Step in a diagram:...
(e.g. through direct DHW heating in the collector). Product information Vitocell 300-B/-W, type EVBA-A, EVBB-A Stainless steel DHW cylinder with internal indirect coils Colours: for DHW heating in conjunction with solar thermal sys- ■...
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Preparing for installation Unpacking and handling (300 l) Fig. 1...
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Preparing for installation Connections Fig. 2 300 l capacity Clamping device for cylinder temperature sensor Heating water flow (upper indirect coil) Fig. 3 500 l capacity DHW circulation Clamping device for cylinder temperature sensor Heating water return (upper indirect coil) Clamping device (behind the thermal insulation) for Heating water flow (lower indirect coil)
Preparing for installation Information on siting (cont.) Please note Note To prevent material damage, site the DHW cylin- Only use one or two of the adjustable feet to level the der in a room free from the risk of frost and DHW cylinder.
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Installation sequence 300 l capacity Fitting the cylinder temperature sensor and thermometer sensor (if supplied) 2 Nm Ø 3 ... 9 mm Fig. 6 03. Insert the cylinder temperature sensor as far as it 06. Insert the upper thermometer sensor as far as it will go into the opening of the clamping device.
Installation sequence 300 l capacity (cont.) 11. Secure the thermometer (accessory) to the wall. Installation instructions for wall thermome- Attaching the cover and cap, affixing the type plate Fig. 7 Recess in top cover for thermometer cable Type plate...
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Installation sequence 500 l capacity Siting the DHW cylinder and fitting the thermal insulation mat at the bottom Fig. 8 Type plate...
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Installation sequence 500 l capacity (cont.) Fitting the thermometer sensor (if supplied) and cylinder temperature sensor Fig. 9 01. Guide the thermometer sensor through the cover 07. Screw the nuts onto the threaded studs. Do not strip and insert the thermometer. tighten.
Installation sequence 500 l capacity (cont.) Fitting the thermal insulation jacket Note Ensure that no fleece remnants enter the DHW cylin- ■ der through the cylinder connections. ■ 2 people are required for the following work. Fig. 10 1. At the back of the cylinder: Attach 6 clip fasteners 3.
Installation sequence 500 l capacity (cont.) Fitting the cover strips Fig. 11 Type plate 1. Fit the thermal insulation jacket evenly around the 3. Cut out openings and mount rear cover strip. cylinder body by patting it. 4. Affix the type plate. 2.
Note The soft side of the thermal insulation must rest against the cylinder body. Fig. 12 Cap with Viessmann logo Fitting the cylinder temperature sensor for solar operation ■ Seal the threaded elbow and sensor well (standard delivery for the DHW cylinder) into the heating water return connection (solar return).
Installation sequence Connections on the heating water side Connect all pipework with detachable fittings. ■ ■ Seal any connections that are not required with red brass caps. ■ Adjust the temperature controller and high limit safety cut-out so that the DHW temperature in the DHW cylinder does not exceed 95 °C.
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Installation sequence Connections on the heating water side (cont.) Fig. 14 Solar collector Heating circuit Fill valve Heating mixer Solar manual fill pump KW Cold water DHW cylinder WW DHW Oil/gas boiler...
Installation sequence Connections on the heating water side (cont.) Heating DHW with a heat pump Via the upper and lower indirect coils (coils connected in series) Fig. 15 DHW cylinder Heating circuit Heat pump KW Cold water 3-way valve WW DHW 1.
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Installation sequence Connections on the DHW side (cont.) Please note The internal indirect coil is installed with gas- kets. ■ Temperatures > 150 °C at the connections will damage the gaskets. Maintain a safe distance when soldering and welding. Realigning the connector will damage the gas- ■...
Installation sequence Connections on the DHW side (cont.) Visible discharge pipe outlet point Drain Safety valve Cold water Shut-off valve Drinking water filter Flow regulating valve Pressure reducer Pressure gauge connector Non-return valve/pipe separator Non-return valve Cold water Safety valve The system must be equipped with a type-tested dia- Install the safety valve in the cold water line.
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Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • 1. Filling the DHW cylinder...................... 23 • • 2. Shutting down the system • • • 3. Checking the safety valve function • •...
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Commissioning, inspection, maintenance Filling the DHW cylinder 1. Fill the DHW cylinder on the DHW side. 2. Check the fittings for leaks on the heating water and DHW sides, and at the immersion heater EHE. Note If required, tighten the fittings. If the DHW cylinder is pressurised, retighten the flange cover with a torque of 40 Nm.
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Commissioning, inspection, maintenance Cleaning the inside of the DHW cylinder (cont.) 02. If present, remove spring clip Danger . Pull out ther- mometer sensor Cleaning agent residues can lead to poi- soning. 03. Undo wing nut . Pull out the sensor for high limit Observe the cleaning agent manufacturer's instructions.
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Commissioning, inspection, maintenance Reassembling the DHW cylinder Fig. 21 500 l capacity Fig. 20 300 l capacity 1. Reconnect the DHW cylinder to the pipework. 2. Insert new gaskets 3. Fit flange cover Max. torque: 40 Nm 4. Refit stainless steel circular blank and cylinder Max.
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Commissioning, inspection, maintenance Checking the connections on the water side for tightness...
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Specification Specification Specification Type EVBB-A EVBA-A Cylinder capacity (AT: Actual water capacity) Heating water capacity Upper indirect coil 10.0 ■ Lower indirect coil 11.0 12.9 ■ Gross volume 317.7 522.9 DIN registration number Applied for Indirect coils Bottom Bottom Continuous output at heating water flow rate stated below For DHW heating from 10 to 45 °C and the following...
Specification Specification (cont.) Type EVBB-A EVBA-A Cylinder capacity (AT: Actual water capacity) Permissible operating pressure Heating water side ■ DHW side ■ Solar side ■ Dimensions Length a (Ø) Incl. thermal insulation 1022 ■ Excl. thermal insulation ■ — Width b Incl.
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Specification Specification (cont.) Specification – immersion heater EHE Output range Max. 6 Rated consumption standard mode/quick heat- Rated voltage 3/N/PE 400 V/50 Hz Rated current 17.4 Weight IP rating IP 45...
Disposal Final decommissioning and disposal Viessmann products can be recycled. Components For decommissioning, isolate the system from the and substances from the system are not part of ordi- power supply and allow components to cool down nary domestic waste. where appropriate.
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Certificates Declaration of conformity We, Viessmann Climate Solutions SE, D-35108 Allen- dorf, declare as sole responsible body that the named product complies with the European directives and supplementary national requirements in terms of its design and operational characteristics. Using the serial number, the Declaration of Conformity can be found on the following website: www.viessmann.co.uk/eu-conformity...
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