XV
10.1.2.1 3WVs operation 212
10.1.2.2 Operation priority 214
10.1.3 Heat source 217
10.1.3.1 Available heat source 217
10.1.3.2 Emergency operation 217
10.2 Space heating/cooling 218
10.2.1 Room thermostat 218
10.2.1.1 Room Thermo ON/OFF 219
10.2.1.2 ECO operation 219
10.2.2 Water Cycle for space heating 220
10.2.2.1 Set target outlet water temperature 221
10.2.2.2 Second water temperature control 226
10.2.2.3 Thermo ON/OFF and capacity control 228
10.2.2.4 Heating Auto ON/OFF 229
10.2.3 Water Cycle for space cooling 230
10.2.3.1 Set target outlet water temperature 231
10.2.3.2 Second water temperature control 234
10.2.3.3 Thermo ON/OFF and capacity control 236
10.2.4 Auto HEAT/COOL 237
10.2.5 Hydraulic separator 237
10.3 DHW 239
10.3.1 DHW setting temperature 240
10.3.2 DHW operation with heat pump 240
10.3.3 DHW operation with DHW Electric Heate 241
10.3.4 DHW operation by heat pump and Heater 241
10.3.5 DHW Anti-legionella protection 243
10.3.6 DHW Boost 244
10.3.7 DHW Recirculation pump 245
10.3.8 DHW Electric Heater during Emergency operation 246
10.4 Swimming pool 247
10.4.1 SWP setting temperature 247
10.4.2 SWP Demand ON/OFF and capacity control 247
10.5 Auxiliary electric heater 248
10.5.1 PI control method 248
10.5.2 Heater Operation during space heating 249
10.5.3 Initial Start-up at Low outdoor ambient temperatures. 251
10.5.4 Heater Operation during SWP 251
10.5.5 Heater Operation during defrosting 251
10.6 Boiler combination 252
10.6.1 PI control method 252
10.6.2 Boiler Operation during space heating 253
10.6.3 Boiler Operation during DHW 255
10.6.4 Boiler Operation during SWP 256
10.7 Solar combination 257
10.7.1 Control function 258
10.7.2 Solar panels overheat protection 258
10.7.3 Solar panels antiFreezing protection 259
10.8 Water pump control 260
10.8.1 Water pump control during space heating/cooling 260
10.8.1.1 WP1/WP3 control 260
10.8.1.2 WP2 control 265
10.8.1.3 WPc1 control 266
10.8.2 Water pump control during DHW and SWP 267
10.8.2.1 Hydraulic separator is Enabled 267
10.8.2.2 Hydraulic separator is Disabled 268
10.8.3 EC WP1 speed control 269
10.8.4 ECWP1Waterowfeedback 272
10.8.5 Anti Freezing 272
10.8.6 Air purge 275
10.8.7 Seizure protection 276
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