Page 1
VIESMANN Installation instructions for contractors Vitocell 100-V Type CVA, CVAA, CVAA-A DHW cylinder, 160 to 950 l Vitocell 100-W Type CVA, CVAA, CVAA-A DHW cylinder, 160 to 300 l VITOCELL 100-V VITOCELL 100-W Dispose after installation. 5813557 GB 8/2018...
Page 2
Repair work Please note Repairing components that fulfil a safety func- tion can compromise the safe operation of the system. Replace faulty components only with genuine Viessmann spare parts.
Index Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................Installation information Preparing for installation ................ Connections ..................■ Siting information ................■ Installation sequence Siting DHW cylinders (up to 300 l) ............Fitting the cylinder temperature sensor and thermometer sensor (if ■...
Please dispose of packaging waste in line with statu- DE: Use the disposal system organised by tory regulations. Viessmann. AT: Use the ARA statutory disposal system (Altstoff Recycling Austria AG, licence number 5766). CH: Packaging waste is disposed of by the HVAC contractor.
Intended use The appliance is only intended to be installed and Any usage beyond this must be approved by the man- operated in sealed unvented systems that comply with ufacturer for the individual case. EN 12828 / DIN 1988, or solar thermal systems that comply with EN 12977, with due attention paid to the Incorrect usage or operation of the appliance (e.g.
Preparing for installation Connections Fig. 1 160 to 500 l capacity Fig. 2 750 and 950 l capacity Magnesium anode with earth cable Magnesium anode with earth cable DHW circulation DHW circulation Cylinder temperature sensor Heating water flow Heating water flow Clamping device for cylinder temperature sensor Heating water return Heating water return...
Page 7
Preparing for installation (cont.) Siting 300 l or larger DHW cylinders with immersion heater Immersion heater installation instructions Maintain the minimum clearance. Note The unheated length of 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.
Siting DHW cylinders (up to 300 l) Fitting the cylinder temperature sensor and thermometer sensor (if supplied) 8. 2. Fig. 5 ■ 300 l: Sensor retainer is supplied with the fascia. ■ Insert the sensor retainer together with the sensor as Secure the sensor on the outside of the sensor far as they will go into the sensor well.
Siting DHW cylinders (up to 300 l) (cont.) Checking the anode connection, fitting the fascia and cover, affixing the type plate Fig. 6 Magnesium anode Earth cable Note Guide the thermometer lead through the groove in the flange insulation.
Siting DHW cylinders (750 to 950 l) Siting the DHW cylinder and checking the anode connection Fig. 8 Magnesium anode Earth cable Note ■ Insert the adjustable feet into the legs as far as they Check that the earth cable is connected to the magne- will go and use them to level the DHW cylinder.
Siting DHW cylinders (750 to 950 l) (cont.) Fitting the thermometer sensor (if supplied) and cylinder temperature sensor Fig. 9 Thermometer (part of standard delivery) 1. Guide the thermometer sensor through the cover 3. Route the cylinder temperature sensor to the back strip and insert the thermometer.
Thermal insulation (500 to 950 l) Fitting the thermal insulation jacket Fig. 10 Note 2. At the front of the cylinder: Attach 6 clip fasteners ■ Ensure that no fleece remnants enter the DHW cylin- to the edges of the right and left sections of the der through the cylinder connections.
Thermal insulation (500 to 950 l) (cont.) Fitting the thermometer (if supplied), thermometer sensor and cover strips Fig. 11 Type plate (self-adhesive) 1. Fit the thermal insulation jacket evenly around the 4. Fit the flange cover. cylinder body by patting it. 5.
Insert the sensor retainer with sensor into the sensor well as far as it will go. Preparing a multi cylinder bank 300 and 500 l: Dimensions of the connections of Viessmann headers (accessories) Capacity per cylinder Number of cylinders Connections Heating water flow and return ■...
Adjust the temperature controller and high limit safety cut-out so that the DHW temperature in the DHW cylinder does not exceed 95 °C. Individual cylinder Cylinder bank with Viessmann header Permissible heating water flow tempera- 160 °C 120 °C 160 °C...
Connections on the heating water side (cont.) 1. In the case of heating water flow temperatures in excess of 95 °C and cylinder capacity from 160 to 300 l: Remove the pipe collars from the pipe out- lets on the heating water side. Note Pipe collars have l.h.
Connections on the DHW side (cont.) Pressure gauge connection Drinking water filter Non-return valve Pressure reducer Drain outlet Non-return valve/pipe separator Cold water Safety valve Install the safety valve in the cold water line. Ensure it The system must be equipped with a type-tested dia- cannot be shut off from the DHW cylinder.
Connections on the DHW side (cont.) 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: Fig. 18 Spring-loaded check valve DHW circulation pipe KW Cold water DHW circulation pump...
Specification Cylinder capacity Serial no. 7498981 7554535 7498982 7554665 7554554 7497184 7638011 7638012 7498993 7554536 7498994 7202951 7554552 DIN registration number 9W241/11 13 MC/E – Standby heat loss kWh/ 1.35 0.97 1.46 1.04 1.65 1.95 2.28 2.48 To EN 12897: 2016 24 h with 45 K temperature dif- ferential...
Page 22
4/8/12 kW — — heater EHE Weight Vitocell 100-V Immersion 2/4/6 kW heater EHE 4/8/12 kW — — Heating lance (accessories) DHW cylinders Vitocell 100-V/-W, type CVAA, 300 l Content that can be heated with the heating 248 l lance...