Hitachi YUTAKI RWM-2R1E Installation & Operation Manual page 13

GENERAL INDEX
11.13.3 System configuration ................................................................................................................................................ 290
11.13.3.1 Room thermostats configuration ................................................................................................................. 291
11.13.3.2 Water settings configuration ........................................................................................................................ 292
11.13.3.3 Cascade configuration ................................................................................................................................. 293
11.13.3.4 Space Heating / Space Cooling configuration ............................................................................................. 294
11.13.3.5 Hot Water Tank configuration ...................................................................................................................... 296
11.13.3.6 Swimming Pool configuration ...................................................................................................................... 298
11.13.3.7 Complementary Heating configuration ........................................................................................................ 299
11.13.3.8 Heat Pump configuration ............................................................................................................................. 301
11.13.3.9 Fan coils ...................................................................................................................................................... 302
11.13.3.10 Optional functions configuration ................................................................................................................ 303
11.13.3.11 Inputs, Outputs and Sensors configuration ............................................................................................... 307
11.13.4 Holiday mode ............................................................................................................................................................ 309
11.13.5 Controller settings ..................................................................................................................................................... 310
11.13.6 Commissioning ..........................................................................................................................................................311
11.13.7 About .........................................................................................................................................................................311
11.13.8 Factory reset ............................................................................................................................................................. 312
11.13.9 Installer access ......................................................................................................................................................... 312
11.13.10 Return to user mode ............................................................................................................................................... 313
11.13.11 Lock the controller................................................................................................................................................... 313
12 TROUBLESHOOTING ............................................................................................................314
12.1 Alarm code indication on remote control switch (PC-ARFH1E) ......................................................................... 314
12.1.1 Alarms for Indoor units ............................................................................................................................................... 314
12.1.2 Alarms for YUTAKI CASCADE CONTROLLER ATW-YCC-(01/02) ............................................................................ 317
12.1.3 Alarms for Outdoor units ............................................................................................................................................. 317
12.1.4 Alarms for LCD ........................................................................................................................................................... 318
12.2 Alarm code indication on remote control switch (PC-ARFH2E) ......................................................................... 319
12.2.1 Alarms for Indoor units ............................................................................................................................................... 319
12.2.2 Alarms for YUTAKI CASCADE CONTROLLER ATW-YCC-03 ................................................................................... 321
12.2.3 Alarms for Outdoor units ............................................................................................................................................. 322
12.2.4 Alarms for LCD ........................................................................................................................................................... 323
13 MAINTENANCE ......................................................................................................................324
13.1 Removing the covers.......................................................................................................................................... 324
13.1.1 YUTAKI S ................................................................................................................................................................... 324
13.1.2 YUTAKI S COMBI....................................................................................................................................................... 328
13.1.3 Test and check ........................................................................................................................................................... 331
13.1.4 YUTAKI S80 ............................................................................................................................................................... 331
13.1.5 Space heating pipes connection ................................................................................................................................ 335
13.1.6 Drain pipes connection ............................................................................................................................................... 335
13.1.7 Test and check ........................................................................................................................................................... 336
13.2 Maintenance work .............................................................................................................................................. 336
XIII PMML0575 rev.2 - 03/2022