Viessmann KOB PYROTEC Technical Manual page 3

Index
(cont.)
6. Design information
PYROTEC
5. 5 Accessories, ash removal ........................................................................................... 31
■ External container ................................................................................................... 31
■ Extension of ascending screw conveyor ................................................................. 32
■ Extension of combustion chamber screw conveyor ................................................ 33
6. 1 System design ............................................................................................................ 33
■ Selection of rated output ......................................................................................... 33
■ Flow temperatures .................................................................................................. 33
■ Safety temperatures ................................................................................................ 33
6. 2 Delivery ....................................................................................................................... 33
6. 3 Handling ...................................................................................................................... 33
6. 4 Installation ................................................................................................................... 34
■ Requirements for boiler room ................................................................................. 34
■ Requirements of Sample Combustion Order .......................................................... 35
■ Combustion air supply ............................................................................................ 35
■ Minimum clearances ............................................................................................... 36
6. 5 Water connection ........................................................................................................ 36
■ Heating connections ............................................................................................... 36
■ Boiler circuit and shunt pumps ................................................................................ 37
■ Safety equipment to DIN EN 12828 ........................................................................ 37
■ System examples .................................................................................................... 37
6. 6 Electrical installation ................................................................................................... 39
■ Positioning of the programming module and control panel ..................................... 39
6. 7 Safety equipment ........................................................................................................ 39
■ Expansion ............................................................................................................... 39
■ Extinguishing facilities ............................................................................................. 39
■ Extinguishing water container ................................................................................. 40
■ Extinguishing facility with cold water supply ........................................................... 40
■ Back burning protection, boiler system ................................................................... 40
■ Prevention of combustion chamber overfilling ........................................................ 41
■ Reignition protection ............................................................................................... 41
■ Back burning protection, fuel supply (RSE) ............................................................ 41
■ Shut-off gate valve .................................................................................................. 41
■ Rotary lock valve ..................................................................................................... 41
■ Dual rotary lock valve with pressure compensation ................................................ 41
■ Low water indicator ................................................................................................. 41
■ Maximum pressure limiter ....................................................................................... 41
■ Minimum pressure limiter ........................................................................................ 42
■ Safety valve ............................................................................................................ 42
■ Expansion vessel .................................................................................................... 42
6. 8 Fire protection ............................................................................................................. 42
■ Fire protection, fuel store ........................................................................................ 42
6. 9 Commissioning ........................................................................................................... 42
■ Fuel for commissioning ........................................................................................... 42
■ Filling the heating system ....................................................................................... 42
6.10 Fuel ............................................................................................................................. 43
■ Suitable fuels .......................................................................................................... 43
6.11 Fuel discharge by means of screw conveyor .............................................................. 43
■ Discharge conveyor, pellet, D = 120 mm ................................................................ 43
■ Drive, discharge conveyor, pellets .......................................................................... 44
6.12 Fuel discharge by means of agitators ......................................................................... 45
■ Spring core discharge AF ....................................................................................... 45
■ Discharge screw AF to spring core discharge ........................................................ 47
■ Horizontal discharge AH ......................................................................................... 47
■ Discharge screw AH for horizontal discharge ......................................................... 50
■ Protective panel AH for bunker ............................................................................... 50
■ Cover panel AH for pellets ...................................................................................... 50
6.13 Fuel discharge by means of funnel discharge ............................................................ 51
■ Funnel discharge .................................................................................................... 51
■ Additional outlet flange ............................................................................................ 52
■ Funnel, large .......................................................................................................... 52
6.14 Fuel discharge by means of a push floor (sizing) ....................................................... 52
■ Number and length of the pushrods with a maximum dumping height ................... 52
■ Specification for the pushrod drives ........................................................................ 53
■ Forces on the building ............................................................................................. 53
■ Slot discharge, for pulling ........................................................................................ 54
■ Centre discharge ..................................................................................................... 55
■ Slot discharge with fill function ................................................................................ 57
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