Viessmann VITOCAL 222-G Technical Manual page 3

Index
(cont.)
12. Heat pump control unit
13. Control unit accessories
VITOCAL
11. 2 Installation requirements ........................................................................................... 49
■ Minimum room height ........................................................................................... 49
■ Minimum clearances ............................................................................................. 50
■ Pressure points ..................................................................................................... 50
■ Min. space requirement ........................................................................................ 50
■ Electrical connections ........................................................................................... 51
■ Recommended ways of routing the corrugated pipes for the primary circuit ........ 52
■ Arrangement of the mounting panels and connection panel ................................. 53
■ Position of drain line for safety valve .................................................................... 54
11. 3 Water quality and heat transfer medium ................................................................... 54
■ DHW ..................................................................................................................... 54
■ Heating water ........................................................................................................ 54
■ Heat transfer medium for solar circuit (only for Vitocal 242-G/343-G) .................. 54
11. 4 DHW connection (to DIN 1988) ................................................................................ 55
■ Safety valve .......................................................................................................... 55
11. 5 System versions ....................................................................................................... 55
11. 6 Sizing the heat pump ................................................................................................ 56
■ Mono-mode operation ........................................................................................... 56
■ Mono-energetic operation ..................................................................................... 57
■ Supplement for DHW heating ............................................................................... 57
■ Supplement for setback mode .............................................................................. 57
11. 7 Heat source for brine/water heat pumps ................................................................... 57
■ Frost protection ..................................................................................................... 57
■ Geothermal collector ............................................................................................. 58
■ Geothermal probe ................................................................................................. 60
■ Expansion vessel for primary circuit ..................................................................... 61
■ Pipework, primary circuit ....................................................................................... 61
■ Pump output supplements (percentage) for operation with Tyfocor ..................... 62
11. 8 Heat source for water/water heat pumps .................................................................. 63
■ Groundwater ......................................................................................................... 63
■ Calculating the required groundwater volume ...................................................... 64
■ Permits for a groundwater/water heat pump system ............................................ 64
■ Sizing the heat exchanger, primary circuit ............................................................ 64
11. 9 Heating circuit distributor and heat distributor .......................................................... 65
11.10 Sizing of the heating water buffer cylinder ................................................................ 65
■ Heating water buffer cylinder for optimised runtimes ............................................ 65
■ Heating water buffer cylinder for bridging periods when the supply is blocked .... 65
11.11 Natural cooling function ............................................................................................ 66
■ Function description .............................................................................................. 66
■ NC-Box ................................................................................................................. 66
■ Natural cooling with the NC-Box ........................................................................... 66
■ Cooling with an underfloor heating system ........................................................... 67
■ Cooling with fan convectors Vitoclima 200-C (accessory) .................................... 67
11.12 Only for the Vitocal 242-G/343-G: Connecting solar collectors ................................ 68
■ Sizing the solar expansion vessel ......................................................................... 68
12. 1 Vitotronic 200, type WO1A ....................................................................................... 69
■ Structure and functions ......................................................................................... 69
■ Time switch ........................................................................................................... 70
■ Setting the operating programs ............................................................................. 71
■ Frost protection function ....................................................................................... 71
■ Heating and cooling curve settings (slope and level) ............................................ 71
■ Heating systems with heating water buffer cylinder or low loss header ................ 72
■ Cylinder temperature sensor ................................................................................. 72
■ Outside temperature sensor ................................................................................. 72
12. 2 Specification Vitotronic 200, type WO1A .................................................................. 73
13. 1 Control unit accessories, general ............................................................................. 73
■ Contactor relay ...................................................................................................... 73
■ Contact temperature sensor as system flow temperature sensor ......................... 74
■ Cylinder temperature sensor ................................................................................. 74
■ Thermostat for controlling the swimming pool temperature .................................. 74
■ Vitotrol 200A ......................................................................................................... 74
■ KM BUS distributor ............................................................................................... 75
■ External extension H1 ........................................................................................... 75
■ Mounting base for programming unit .................................................................... 76
■ Three-phase monitor (only Vitocal 222-G/242-G) ................................................. 76
13. 2 Accessories for heating circuit with mixer M2, direct control via Vitotronic (only
Vitocal 333-G/343-G) ................................................................................................ 76
■ Contact temperature sensor ................................................................................. 76
■ Mixer motor ........................................................................................................... 77
VIESMANN
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