Table Of Contents - Viessmann VITOCAL 300-G Technical Manual

Index
Index
1. Vitocal 300-G
2. Installation accessories
3. Design information
VIESMANN
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1. 1 Product description .....................................................................................................
■ Benefits of type BW/BWS, WW ..............................................................................
■ Delivered condition .................................................................................................
1. 2 Specification ...............................................................................................................
■ Specification ............................................................................................................
■ Dimensions of type BW/BWS, WW .........................................................................
■ Output diagrams .....................................................................................................
2. 1 Primary circuit ............................................................................................................. 11
■ Sensor well set, primary circuit ............................................................................... 11
■ Brine circuit pressure switch ................................................................................... 11
■ Brine accessory pack .............................................................................................. 11
■ Primary pump .......................................................................................................... 12
■ Brine distributor for geothermal collectors .............................................................. 13
■ Brine distributor for geothermal probes/geothermal collectors ............................... 14
■ Heat transfer medium Tyfocor ................................................................................ 16
■ Filling station ........................................................................................................... 16
2. 2 Secondary circuit ........................................................................................................ 17
■ Secondary pump ..................................................................................................... 17
■ Safety equipment block ........................................................................................... 18
2. 3 Cooling ........................................................................................................................ 19
■ Contact humidistat .................................................................................................. 19
■ Natural cooling extension kit ................................................................................... 19
■ 2-way motorised ball valve (DN 32) ........................................................................ 19
■ Three-way diverter valve (R 1¼) ............................................................................. 19
■ Room temperature sensor ...................................................................................... 19
■ Frost stat ................................................................................................................. 19
■ Fan convectors Vitoclima 200-C ............................................................................. 19
2. 4 DHW heating via an external heat exchanger ............................................................ 22
■ 2-way motorised ball valve (DN 32) ........................................................................ 22
■ Cylinder primary pump ............................................................................................ 22
3. 1 Power supply and tariffs ............................................................................................. 22
■ Application procedure ............................................................................................. 22
3. 2 Positioning requirements ............................................................................................ 22
■ Minimum clearances ............................................................................................... 23
■ Min. space requirement .......................................................................................... 23
■ Electrical connections ............................................................................................. 23
3. 3 Hydraulic connections ................................................................................................. 26
■ Connections on the primary side brine/water (stages 1 and 2) ............................... 26
■ Connections on the primary side water/water (stages 1 and 2) .............................. 28
■ Connections on secondary side for two-stage heat pumps .................................... 31
3. 4 System versions ......................................................................................................... 33
3. 5 Sizing the heat pump .................................................................................................. 34
■ Mono-mode operation ............................................................................................. 34
■ Mono-energetic operation ....................................................................................... 35
■ Dual mode operation ............................................................................................... 35
■ Supplement for DHW heating ................................................................................. 35
■ Supplement for setback mode ................................................................................ 36
3. 6 Heat source for brine/water heat pumps ..................................................................... 36
■ Frost protection ....................................................................................................... 36
■ Geothermal collector ............................................................................................... 36
■ Geothermal probe ................................................................................................... 39
■ Expansion vessel for primary circuit ....................................................................... 40
■ Pipework, primary circuit ......................................................................................... 41
■ Pump output supplements (percentage) for operation with Tyfocor ....................... 43
3. 7 Heat source for water/water heat pumps .................................................................... 43
■ Groundwater ........................................................................................................... 43
■ Calculating the required groundwater volume ........................................................ 44
■ Permits for a groundwater/water heat pump system .............................................. 44
■ Sizing the heat exchanger, primary circuit/separating heat exchanger .................. 45
■ Cooling water .......................................................................................................... 45
3. 8 Central heating/central cooling ................................................................................... 46
■ Heating circuit ......................................................................................................... 46
■ Heating circuit and heat distribution ........................................................................ 46
■ Cooling operation .................................................................................................... 47
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VITOCAL 300-G