Viessmann VITOCELL 300B Manuel d'utilisateur Page 1

300litre capacity 500litre capacityVITOCELL 300BInstallation instructionsfor contractorsVitocell300BTypeEVBDHW cylinder with internal indirect c

10Connecting the earth bondingConnect the earth bonding inaccordance with the requirementsstipulated by your local electricitysupply company and curre

11Connecting the heating water sideNoteH Adjust the control thermostat and high limit safety cut−out to ensure thatthe DHW temperature inside the DHW

12Connecting the heating water side (cont.)1. Only for heating water flowtemperatures above 95ºC:Remove the cover bezels from theheating water side p

13Connecting the domestic hot water side (cont.)A Spring−loaded check valveB Visible blow−off pipe outletAV Shut−off valveDFR Flow regulating valveDMV

14Fitting the cover300litre capacity500litre capacity5592782GB

15CommissioningFor commissioning theDHW cylinder, see "Service Instructions".5592782GB

Viessmann Werke GmbH&Co KGD35107 AllendorfTel: +49 6452 700Fax: +49 6452 702780www.viessmann.deViessmann LimitedHortonwood 30, TelfordShropshi

2Safety instructionsPlease follow these safety instructions closely to prevent accidents andmaterial losses. For safety instructions in conjunction wi

3DHW cylinder installationGeneral information¨Safety instructionsInstall the DHW cylinder in afrost−protected and draught−freeroom. Otherwise it must

4DHW cylinder installation (cont.)Installing a DHW cylinder with 300litres capacity1. Level the DHW cylinder with itsadjustable feet.¨Safety instruc

5DHW cylinder installation (cont.)Installing a DHW cylinder with 500litres capacity!Please noteThe thermal insulation must not be able to come into c

6DHW cylinder installation (cont.)1 Push the thermal insulation jacketonto the flange.2. Route the sensor lead of the upperthermometer (shorter lead)

7DHW cylinder installation (cont.)1. Seal in the reducing connections.2. Seal in the sensor well.3. Affix the type plate.5592782GB1.1.2.2.3.

8Installing the sensor well and the cylinder temperature sensorH The cylinder temperature sensor for the heating side is supplied in thepackage of the

9Installing the cylinder temperature sensor for solar operationIn case of solar operation, install the cylinder temperature sensor with athreaded elbo