B - ALFEA EXTENSA A.I.: 1 HEATING ZONE + DHW TANK 1 Outdoor unit and floor stand* 2 Refrigerant connections* 3 Indoor unit with built-in electric booster heater 4 Modulating thermostat (except dynamic radiators)* 5 Outdoor sensor 6 DHW kit* 7 DHW cylinder 8 Buffer tank** AE SA BT* CC MH SE OU R SA SA* OU Rdyn* UH SP CAR VD KS Ssa M 1 2 4 4 4 3 7 5 6 8 A - ALFEA EXTENSA A.I.: 2 HEATING ZONES 1 Outdoor unit and floor stand* 2 Refrigerant connections* 3 Indoor unit with built-in electric booster heater 4 Modulating thermostat 5 Outdoor sensor 6 2-zone kit CC CCM 2cK CAR CAR MH AVS SE R OU SA R Direct circuit Mixed circuit UH SP SA M SDpM VM 1 2 4 4 3 6 5 * Options, see pages 69 to 72. View from below Front view Side view 886 325 353 180 580 330 632 120 184 Air 886 325 353 180 580 330 632 120 184 Air 886 325 353 180 580 330 632 120 184 Air Outdoor unit 5 and 6 kW View from below Side view Front view 907 349 353 194 600 330 716 119 184 Air 907 349 353 194 600 330 716 119 184 Air 907 349 353 194 600 330 716 119 184 Air Outdoor unit 8 kW Front view Side view 448 847 98 30 477 81 847 477 81 Indoor unit Outdoor unit 10 kW View from below Side view Front view 996 940 365 391 650 355 Air 996 940 365 391 650 355 Air 996 940 365 391 650 355 Air DIMENSIONAL SPECIFICATIONS (mm) *Options, see pages 69 to 72. ** Depending on the emitter type and quantity of water in the heating circuit, it may be necessary to install a buffer tank. Detailed hydraulics and electrical diagrams included in the installation manual. INSTALLATION SCHEMATICS 47 Heat pumps
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