Hitachi YUTAKI Series Service Manual

Contents
Service Manual
8
General index
SMGB0066 rev.0 - 12/2009
4.16. Electrical wiring .........................................................................................................................113
4.16.1. Wiring access ports .............................................................................................................................. 113
4.16.1. Wiring connections ............................................................................................................................... 114
4.16.2 System component connections .......................................................................................................... 115
4.17. Systemcongurations ...............................................................................................................118
4.18. User interface ............................................................................................................................123
4.18.1. Display..................................................................................................................................................123
4.18.2. Controls ................................................................................................................................................123
4.19. Installationcongurationsettings ..............................................................................................124
4.19.1. Reviewing and setting the installer parameters ...................................................................................124
4.19.2. Installer parameter list ..........................................................................................................................125
4.20. System testing ...........................................................................................................................126
4.20.1. System start-up ....................................................................................................................................126
4.20.2. SYSTEM TEST ....................................................................................................................................126
4.20.3. REVIEWING THE OPERATIONAL DATA.............................................................................................127
4.20.4. MANUALLY OVERRIDING THE OUTPUTS ........................................................................................127
4.21. Expanding the system ...............................................................................................................128
4.21.1. Additional mixing zone .........................................................................................................................128
4.21.2. Binding RF components together .........................................................................................................129
4.22. System MMI Pack (Room unit and RF receiver) .......................................................................129
4.22.1. Room Unit installation guide ................................................................................................................129
4.22.1.1. Description ...........................................................................................................................................................129
4.22.1.2. Installation information .........................................................................................................................................130
4.22.1.3. Installing the System MMI Pack ...........................................................................................................................130
4.22.1.4. Installing the RF Receiver ....................................................................................................................................131
4.22.2. Installing the Room Unit .......................................................................................................................132
4.22.2.1. Power up ..............................................................................................................................................................132
4.22.2.2. RF Communication check (test mode) .................................................................................................................132
4.22.2.3. Locating the Room Unit ........................................................................................................................................133
4.22.3. Communication loss .............................................................................................................................133
4.22.4. Installer mode .......................................................................................................................................134
4.22.4.1. Entering installer mode.........................................................................................................................................134
4.22.4.2. Fail-Safe mode setup ...........................................................................................................................................134
4.22.4.3. UsingtheRoomUnitforspecicapplications ......................................................................................................135
4.22.4.4. Using the special features of the Room Unit ........................................................................................................135
4.22.5. Installer parameters table .....................................................................................................................136
4.22.5.1. Category 1 - Room Unit settings ..........................................................................................................................136
4.22.5.2. Category 2 - System settings ...............................................................................................................................137
4.22.6. Binding / Rebinding procedure .............................................................................................................137
4.22.7. Room Unit user guide ..........................................................................................................................138
4.22.7.1. Setting-up .............................................................................................................................................................139
4.22.7.2. Programming ........................................................................................................................................................140
4.22.7.3. Operating..............................................................................................................................................................142
4.23. Device control system ...............................................................................................................143

Hitachi YUTAKI Series Specifications

General

Heating Capacity	5.0 kW - 16.0 kW
Cooling Capacity	5.0 kW - 16.0 kW
Energy Efficiency Class	A+++
Refrigerant	R32
Operating Temperature Range (Cooling)	46°C
Noise Level (Indoor Unit)	45 dB
Noise Level (Outdoor Unit)	45 dB