Electrical Connections: Heat Pump Control Unit; Fitting The Heat Pump Control Unit And Inserting Cables - Viessmann VITOCAL 350-A Installation And Service Instructions Manual
Heat pump with electric drive, 1 and 2-stage, brine/water heat pump: 20.5 to 84.6 kw, with conversion kit to water/water heat pump: 25.4 to 104.6 kw (92 pages)