Viessmann CVAA Installation And Service Instructions Manual Download Page 11 | Manualshive

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11

Checking the anode connection, fitting the fascia and cover, affixing the type plate

1.

2.

A B

C

D

3.

Fig. 8

A

Protective magnesium anode

B

Earth cable

D

Type plate

Note

The recess

C

in the top cover is intended for the ther-

mometer cable.

Installation sequence

DHW cylinders, 160 and 200 l

(cont.)

6150608

Installation

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Summary of Contents for CVAA

Page 1: ... instructions for contractors VIESMANN Vitocell 100 V Type CVAA CVAB A DHW cylinders 160 l to 300 l Vitocell 100 W Type CVAA CVAB A DHW cylinders 160 l to 300 l VITOCELL 100 V VITOCELL 100 W 6150608 GB 3 2020 Please keep safe ...

Page 2: ...nstallation regulations Statutory regulations for the prevention of accidents Statutory regulations for environmental protection Codes of practice of the relevant trade associations Relevant country specific safety regu lations Working on the system Isolate the system from the power sup ply e g by removing the separate fuse or by means of a mains isolator and check that it is no longer live Safegu...

Page 3: ... work Repair work 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 not been tested together with the system can compromise its func tion Installing non authorised com ponents and ma...

Page 4: ...10 Checking the anode connection fitting the fascia and cover affixing the type plate 11 DHW cylinder 300 l 12 Fitting the cylinder temperature sensor and thermometer sensor if supplied 12 Checking the anode connection fitting the fascia and cover affixing the type plate 13 Preparing a multi cylinder bank 14 Connections on the heating water side 15 Connections on the DHW side 15 DHW circulation pi...

Page 5: ...teps required during inspection Not required during inspection Steps required during maintenance Not required during maintenance Intended use The appliance is only intended to be installed and operated in sealed unvented systems that comply with EN 12828 DIN 1988 or solar thermal systems that comply with EN 12977 with due attention paid to the associated installation service and operating instruc ...

Page 6: ...fea ture all round thermal insulation enclosed within an epoxy coated sheet steel casing Suitable for systems conforming to DIN 1988 EN 12828 and DIN 4753 Vitocell 100 V Vitosilver Vitocell 100 W White Inspection and maintenance DIN 1988 requires a visual inspection and if neces sary cleaning no later than 2 years after the cylinder has been commissioned and thereafter according to requirements No...

Page 7: ...7 2 1 4x 5 8 9 6 7 3 4 Fig 1 Preparing for installation Unpacking and handling 6150608 Installation ...

Page 8: ...t not come into con tact with naked flames Exercise caution when welding and brazing Please note To prevent material losses site the DHW cylin der in a room free from the risk of frost and draughts Alternatively drain the DHW cylinder when not in use and there is a risk of frost Allow an adequate distance from the wall to enable the temperature controller if supplied to be oper ated Use the adjust...

Page 9: ...any threaded immersion heater installed on site must be at least 100 mm The threaded immersion heater must be suitable for installation in enamelled DHW cylinders Cylinder capacity Output of im mersion heater Dim a in mm 300 l 6 kW min 685 Siting the DHW cylinder with heating lance 300 l 585 Fig 6 Preparing for installation Siting information cont 6150608 Installation ...

Page 10: ...ture sensor in place in the sensor ter minal until the screw is screwed in Please note Overtightening the fixing screw may damage the cylinder temperature sensor Torque Max 2 Nm 4 Clamp the thermometer sensor in the clamping bracket 5 Guide the thermometer cable through the groove in the thermal insulation and the hole in the sheet steel casing 6 Secure the thermometer accessory to the wall Instal...

Page 11: ... cover affixing the type plate 1 2 A B C D 3 Fig 8 A Protective magnesium anode B Earth cable D Type plate Note The recess C in the top cover is intended for the ther mometer cable Installation sequence DHW cylinders 160 and 200 l cont 6150608 Installation ...

Page 12: ...he sensor retainer contact spring not in the groove so that it is flush with the front of the spring Never wrap insulating tape around the sensor Insert the sensor retainer with sensor into the sensor well as far as it will go Insert the thermometer sensor as far as it will go into the clamping bracket on the flange cover Installation sequence DHW cylinder 300 l 6150608 Installation ...

Page 13: ...ascia and cover affixing the type plate 3 4 2 A B 1 Fig 10 A Protective magnesium anode B Earth cable Note Route the thermometer lead through the groove in the EPS flange insulation Installation sequence DHW cylinder 300 l cont 6150608 Installation ...

Page 14: ...t valve EV Drain valve HR Heating water return HV Heating water flow KW Cold water TR Temperature controller WW DHW Z DHW circulation Note The DHW connection can also be made on the same side as the heating water flow The cold water con nection can be made on the same side as the heating water return This ensures that every cylinder is heated and that water is drawn off from every cylinder equally...

Page 15: ...city from 160 to 300 l Remove the pipe collars from the pipe outlets on the heating water side Note Pipe collars have l h threads 2 Install the heat supply control unit Note One temperature controller in one of the cylinders is sufficient for cylinder banks A water temperature controller may also be used instead of the temper ature controller 3 Install the flow line with a rise and fit an air vent...

Page 16: ... l at least R DN 15 max heat input 75 kW Above 200 to 300 l at least R DN 20 max heat input 150 kW Select a safety valve with a higher rating if the heat input of the DHW cylinder is greater than the maximum heat input assigned to the capacity See DIN 4753 1 issue 3 88 section 6 3 1 Install the safety valve in the cold water line Ensure it cannot be shut off from the DHW cylinder There must be no ...

Page 17: ...e A WW KW Z ZP Fig 14 A Spring loaded check valve KW Cold water WW DHW Z DHW circulation pipe ZP DHW circulation pump Connect the DHW circulation pipe when connecting several cylinders in conjunction with district heating systems with a heating water return temperature limit ing facility and or several DHW circulation pipes WW KW ZP Z ZP A A Fig 15 A Spring loaded check valve KW Cold water WW DHW ...

Page 18: ...your local power supply utility and VDE or local regulations CH Connect the equipotential bonding in accordance with the technical requirements stipulated by your local power supply utility and SEV regulations Installation sequence Connecting the equipotential bonding 6150608 Installation ...

Page 19: ...tion 4 Checking the anode earth current with an anode tester 20 5 Cleaning the inside of the DHW cylinder 21 6 Checking and replacing the protective magnesium anode 21 7 Commissioning the DHW cylinder 22 8 Checking the connections on the water side for tightness Commissioning inspection maintenance Steps commissioning inspection and maintenance 6150608 ...

Page 20: ...Checking the safety valve function Checking the anode earth current with an anode tester Checking the anode earth current E D C 300 l A B Fig 16 1 Remove top cover A 300 l version with screw and thermal insulation fleece or EPS flange insu lation B Remove the thermometer sensor if fit ted 2 Disconnect earth cable C from tab D 3 Connect tester in series across tab D and earth cable C Current 0 3 mA...

Page 21: ... Observe the cleaning agent manufacturer s instructions Please note Cleaning agents containing hydrochloric acid can damage the inside of the cylinder Never use cleaning agents containing hydro chloric acid Use a chemical cleaning agent to remove hard deposits that cannot be removed with a high pres sure cleaner 6 Fully drain all cleaning agent 7 Flush the DHW cylinder thoroughly after cleaning Ch...

Page 22: ...over with a maximum torque of 25 Nm 6 Fit the thermometer sensor if installed Note 160 to 200 l Guide the thermometer cable through the groove in the thermal insulation and the hole in the sheet steel casing 300 l Route the thermometer lead through the groove in fleece or EPS flange insulation E 7 Install thermal insulation fleece or EPS flange insulation thermal insulation mat E cap F and top cov...

Page 23: ...aintenance service Date By Maintenance service Maintenance service Maintenance service Date By Maintenance service Maintenance service Maintenance service Date By Maintenance service Maintenance service Maintenance service Date By Commissioning service reports Commissioning service reports 6150608 Appendix ...

Page 24: ...ing water flow and return R 1 1 1 Cold water DHW R 1 DHW circulation R 1 Immersion heater EHE IP rating IP 44 Output range Max 6 kW Max 12 kW Rated consumption in standard mode during quick heat up kW 2 4 6 4 8 12 Current type and rated voltage Rated current A 8 7 17 4 8 7 10 0 20 0 17 3 Heat up time from 10 to 60 C 300 l h 7 4 3 7 2 5 500 l h 11 9 5 9 4 0 DHW cylinder with immersion heater EHE Cy...

Page 25: ...stem are not part of ordi nary household waste For decommissioning the system isolate the system from the power supply and allow components to cool down where appropriate All components must be disposed of correctly Disposal Final decommissioning and disposal 6150608 Appendix ...

Page 26: ...es with the European directives and supplementary national requirements in terms of its design and operational characteristics Using the serial number the full Declaration of Con formity can be found on the following website www viessmann co uk eu conformity Certificates Declaration of conformity 6150608 Appendix ...

Page 27: ...27 6150608 Appendix ...

Page 28: ... Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com 6150608 Subject to technical modifications ...

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