Hitachi RAW-35RHC, Service Manual

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General Index
SMGB0135 rev.0 - 03/2020 III
General Index
1. General information ................................................................................................... 1
1.1 General information .................................................................................................................................2
1.1.1 General notes .................................................................................................................................................. 2
1.1.2 Introduction ..................................................................................................................................................... 2
1.2 Applied symbols ......................................................................................................................................3
1.3 Norms and Regulations ...........................................................................................................................3
1.4 Product guide ..........................................................................................................................................4
1.4.1 Classification of the units ................................................................................................................................. 4
1.4.1.1 Outdoor unit ....................................................................................................................................... 4
1.4.1.2 Indoor unit .......................................................................................................................................... 4
1.4.2 Product guide .................................................................................................................................................. 5
1.4.2.1 Outdoor unit ....................................................................................................................................... 5
1.4.2.2 Indoor unit .......................................................................................................................................... 5
1.4.3 Accessory code list .......................................................................................................................................... 6
2. Preparation .................................................................................................................7
2.1 Name of each part ...................................................................................................................................8
2.1.1 Tank unit TAW-(190-270)RHC ......................................................................................................................... 8
2.1.2 Outdoor unit RAW-35RHC .............................................................................................................................. 8
2.2 Name and function of control panel.........................................................................................................9
2.3 Preparing for operation.......................................................................................................................... 11
2.3.1 Filling up the tank ...........................................................................................................................................11
2.3.2 Turning on the power ......................................................................................................................................11
2.4 Setting the language .............................................................................................................................12
2.5 Setting the current time .........................................................................................................................12
2.6 Setting hot water temperature ...............................................................................................................13
3. Control functions ..................................................................................................... 15
3.1 System diagram ....................................................................................................................................16
3.2 Basic operation......................................................................................................................................17
3.2.1 Operating procedures .................................................................................................................................... 17
3.2.2 Stopping ........................................................................................................................................................ 17
3.3 Standard Operation without Electrical Heater .......................................................................................18
3.4 DHW Heater function ............................................................................................................................19
3.4.1 High Demand Mode ...................................................................................................................................... 19
3.4.2 Standard mode .............................................................................................................................................. 20