Viessmann VIESMANN VITOLIGNO 300-H Technical Manual page 3

Index
(cont.)
6. Fuel storage
7. Design information
8. Appendix
9. Keyword index
VITOLIGNO 300-H
5. 4 Pellet supply accessories ........................................................................................... 39
■ Pellet supply hose and return air hose .................................................................... 39
■ Large hose clip ........................................................................................................ 39
■ Fire protection collar ............................................................................................... 39
■ Pellet filling system, straight .................................................................................... 39
■ Pellet filling system 45° for pellet silo ...................................................................... 39
■ Cover for pellet filling system .................................................................................. 39
■ Cover for pellet filling system with venting function ................................................ 39
■ Fill coupling ............................................................................................................. 39
■ Pipe with flared flange ............................................................................................. 39
■ Pipe bend 30° with flared flange ............................................................................. 40
■ Pipe bend 45 ° with flared flange ............................................................................ 40
■ Pipe bend 90 ° with flared flange ............................................................................ 40
■ Clamping ring with gasket ....................................................................................... 40
■ Fixing clamp ............................................................................................................ 40
■ Z bracket ................................................................................................................. 41
■ Deflector .................................................................................................................. 41
■ Manual changeover unit .......................................................................................... 41
6. 1 Fuel storage in on-site pellet store .............................................................................. 42
■ Fuel storage in the pellet storage room .................................................................. 42
■ Accessories for the on-site pellet store ................................................................... 47
■ Storing fuel in a pellet silo ....................................................................................... 48
7. 1 Sizing the system ........................................................................................................ 50
■ Selecting the rated heating output .......................................................................... 50
■ Flow temperatures .................................................................................................. 50
■ Safety temperatures ................................................................................................ 51
7. 2 Delivery ....................................................................................................................... 51
7. 3 Siting ........................................................................................................................... 51
■ Boiler room requirements ........................................................................................ 51
■ Combustion air supply ............................................................................................ 51
■ Safety precautions .................................................................................................. 51
■ Minimum clearances ............................................................................................... 52
7. 4 Water connection ........................................................................................................ 54
■ Heating connections ............................................................................................... 54
■ Boiler circuit and shunt pumps ................................................................................ 54
■ Safety equipment to EN 12828 ............................................................................... 54
7. 5 Electrical installation ................................................................................................... 54
7. 6 Safety equipment ........................................................................................................ 54
■ Expansion ............................................................................................................... 54
■ Extinguishing devices ............................................................................................. 54
■ Prevention of combustion chamber overfilling ........................................................ 55
■ Fuel supply burn-back protection (RSE) ................................................................. 55
■ Shut-off gate valve .................................................................................................. 55
■ Rotary lock valve ..................................................................................................... 55
■ Low water indicator ................................................................................................. 55
■ Minimum pressure limiter ........................................................................................ 55
■ Safety valve ............................................................................................................ 55
■ Expansion vessel .................................................................................................... 55
7. 7 Fire safety ................................................................................................................... 55
■ Fire safety in the fuel store ...................................................................................... 55
7. 8 Commissioning ........................................................................................................... 56
■ Fuel for commissioning ........................................................................................... 56
■ Charging the heating system .................................................................................. 56
7. 9 Fuels ........................................................................................................................... 56
■ Suitable fuels .......................................................................................................... 56
7.10 Frost protection ........................................................................................................... 56
7.11 Prevention of damage due to corrosion on the water side ......................................... 56
■ Prevention of damage through corrosion on the water side ................................... 57
8. 1 Sizing the expansion vessel ....................................................................................... 57
■ Selection example ................................................................................................... 57
8. 2 General information on low pressure hot water boilers with safety temperatures of up
to 110 °C ..................................................................................................................... 58
8. 3 Pipe connections ........................................................................................................ 58
8. 4 Electrical installation ................................................................................................... 58
8. 5 Operating instructions ................................................................................................. 58
8. 6 Checks as part of the building inspectorate approval process ................................... 59
.............................................................................................................................................. 60
VIESMANN
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