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VIESMANN

Installation instructions

for contractors

Vitocell 100-U
Type CVU

Dual-mode DHW cylinder with Solar-Set

Vitocell 100-W
Type CVU

Dual-mode DHW cylinder with Solar-Set

VITOCELL 100-U

VITOCELL 100-W

5592 936 GB

8/2007

Dispose after installation.

Summary of Contents for VITOCELL 100-U

Page 1: ...structions for contractors Vitocell 100 U Type CVU Dual mode DHW cylinder with Solar Set Vitocell 100 W Type CVU Dual mode DHW cylinder with Solar Set VITOCELL 100 U VITOCELL 100 W 5592 936 GB 8 2007 Dispose after installation ...

Page 2: ...electrician Regulations Observe the following when working on this system all legal instructions regarding the prevention of accidents all legal instructions regarding environmental protection the Code of Practice of relevant trade associations all current safety regulations as defined by DIN EN DVGW TRGI TRF VDE and all locally applicable standards Working on the system Isolate the system from th...

Page 3: ... thermometer sensor and the cylinder temperature sensor 12 Fitting the thermometer sensor 12 Fitting the Vitosolic 100 cylinder temperature sensor at the front 13 Installing the cylinder temperature sensor of the boiler control unit at the back 14 Connect control unit 15 Closing and removing the Solar Set 16 Checking the anode connection and fitting the lid 17 Connections on the heating water and ...

Page 4: ...in white otherwise identical Connections A Connection for thermometer sen sor B Magnesium anode with earth cable C Heating water return solar lower indirect coil D Hot water to the pipework E Heating water flow solar lower indirect coil F Sensor well for cylinder tempera ture control G Heating water flow boiler upper indirect coil H DHW circulation K Heating water return boiler upper indirect coil...

Page 5: ...nce to the wall to enable the thermostat if installed to be operated Level the DHW cylinder with its adjustable feet Note Never extend the adjustable feet beyond a total length of 35 mm Installing the DHW cylinder with an EHE immersion heater Installation instructions immersion heater EHE Maintain the minimum clearance Please note The unheated length of any threaded immersion heater installed on s...

Page 6: ...ure sufficient thermal insu lation between the cables and hot pipework Route the supply cable of the EHE immersion heater on the right side of the base support and secure with the cable ties supplied Remove the cover from the facia of the Solar Set enabling the facia to be pulled over the fitted EHE immer sion heater If no EHE immersion heater is installed Seal in the plug R 1 supplied into the fr...

Page 7: ...Solar Set fixings Insert the screws supplied approx half way into the cylinder Installing the Solar Set cont 7 5592 936 GB ...

Page 8: ...p of the cylinder through a suitable slot Tighten all 3 screws Remove the cardboard transport packing for securing the pump and pipes from within the Solar Set Hydraulic connection on the solar side Note To join and fit the heating water con nections solar release the fixing clamps from the pipework if required Installing the Solar Set cont 8 5592 936 GB ...

Page 9: ...ating system B Heating water flow of the solar heating system Secure both pipelines heating water return solar A and heating water flow solar B with the flat packing ings and union nuts supplied Tighten the fixing clamps Hydraulic connection on the solar side cont 9 5592 936 GB ...

Page 10: ...h the appropriate 4 openings in the base support of the Solar Set and the DHW cylinder Secure the thermally insulated upper connection pipes heating water return flow solar with the flat packings and union nuts supplied Note Apply the thermal insulation of the pipes after the installation over the entire pipe length up to the edge of the DHW cylinder Hydraulic connection on the solar side cont 10 ...

Page 11: ...sion vessel DEV Fit the safety assembly at the back of the DHW cylinder at the top to the heating water return solar A Safeguard the correct orientation of the clamping ring Counterhold the connecting pipe on the DHW cylinder when tightening the union nut Fitting the safety assembly 11 5592 936 GB ...

Page 12: ... note To prevent equipment damage cables must not come into con tact with hot parts Ensure sufficient thermal insu lation between the cables and hot pipework Fitting the thermometer sensor and the cylinder temperature sensor 12 5592 936 GB ...

Page 13: ...ng see page 4 Insert the sensor retainer together with the sensor into the sensor well until it bottoms out Fitting the Vitosolic 100 cylinder temperature sensor at the front A Heating water return solar lower indirect coil sensor well for cylin der temperature sensor solar Seal in the sensor well standard delivery into the threaded elbow of the heating water return solar A Insert the cylinder tem...

Page 14: ...on trol unit at the back Note The cylinder temperature sensor is supplied with the Viessmann boiler control unit or is available as an accessory A Sensor well for cylinder tempera ture control Fitting the thermometer sensor and the cylinder cont 14 5592 936 GB ...

Page 15: ...g into the pump The following leads cables must still be connected at the Vitosolic 100 Power supply Collector temperature sensor Connection at the Vitotronic boiler control units KM BUS Please note Never route power cables and collector temperature sensor leads immediately next to each other Otherwise false readings could be transferred from the collector temperature sensor Route both leads on se...

Page 16: ...ort Push the facia in and push the 2 upper side locking bolts into the appropriate spring catches of the base support Insert the screw supplied for addi tional security into the top of the Solar Set facia Note Release the Solar Set facia in reverse order and remove Closing and removing the Solar Set 16 5592 936 GB ...

Page 17: ... Magnesium anode B Earth lead C Thermometer lead D Type plate Note Guide the thermometer leads through the groove in the flange insulation Checking the anode connection and fitting the lid 17 5592 936 GB ...

Page 18: ... 10 bar heating water side 10 bar Test pressure solar side 16 bar heating water side 16 bar Note Vitosol collectors can be used up to 6 bar System design with solar collectors immersion heater EHE and boiler Heating of the domestic hot water through solar collectors via the lower indirect coils and or through the EHE immersion heater Heat supply for reheating or heating of the DHW through a boiler...

Page 19: ...mprising 2 DHW cylinder with Solar Set Solar set comprising 3 Fill valve 4 Solar Divicon 5 Vitosolic 100 6 Solar collector 7 DHW circulation 8 Heating circuit 9 Oil gas fired boiler qP Air separator qQ Stratification pump qW Cylinder temperature sensor primary side Connections on the heating water and solar sides cont 19 5592 936 GB ...

Page 20: ...s DHW volume is available per m2 collector area irrespective of the collector type Connecting the domestic hot water side For the DHW connection observe DIN 1988 and DIN 4753 Connect the pipework with detach able fittings Seal connections that are not required with red brass caps Equip the DHW circulation line with a DHW circulation pump and a check valve Connection of the DHW circulation pump Con...

Page 21: ...ust be equipped with a type tested diaphragm safety valve as protection against overpressure Permiss operating pressure 10 bar The connection diameter of the safety valve must be as follows R DN 20 max heating load 150 kW If the heating load of the Vitocell exceeds 150 kW select a sufficiently large safety valve that is sufficient to cope with the heating load see DIN 4753 1 issue 3 88 section 6 3...

Page 22: ...e blow off line during heating Never seal off The safety valve must be installed Recommendation Install the safety valve higher than the top edge of the cylinder This protects the valve against contamination scaling and high temperatures The DHW cylinder does not then need to be drained when working on the safety valve Connecting the earth bonding Connect the earth bonding in accor dance with the ...

Page 23: ...23 5592 936 GB ...

Page 24: ...GB Subject to technical modifications Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com Viessmann Limited Hortonwood 30 Telford Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com ...

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