Hitachi RAS-3.0PNNBDH1 - Table of Contents

1. Option list ...............................................................................................................................................1
1.1 Wired controller.............................................................................................................................1
1.2 Wireless remote controller ..........................................................................................................11
1.3 IR Recei
ver .................................................................................................................................18
2. Troubleshooting....................................................................................................................................19
2.1 Trouble guide...............................................................................................................................19
2.2 Fault codes .................................................................................................................................23
3.
Checking components .........................................................................................................................33
3.1 Check refrigerant system............................................................................................................33
3.2 Check parts unit .........................................................................................................................34
4.
Disassembly precedure ......................................................................................................................38
5.
Control logic description .....................................................................................................................49
5.1 Fan only mode ............................................................................................................................49
5.2 Cooling mode..............................................................................................................................49
5.3 Heating mode ............................................................................................................................50
5.4 Auto mode ..................................................................................................................................51
5.5 Evaporator low-temperature protection ......................................................................................51
5.6 Condenser high-temperature protection.....................................................................................52
Table of Contents