Hitachi YUTAKI Series - Electrical Wiring Connections and Diagram

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Contents
SMGB0066 rev.0 - 12/2009
Electrical wiring
Service Manual
3
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This chapter describes the procedures to carry out the electrical wiring connections for the Yutaki and its control system.
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3.1. General check .............................................................................................................................46
3.2. Electrical wiring connection .........................................................................................................47
3.2.1. Field minimum wire sizes for the power source .....................................................................................48
3.2.2. Main switches and fuses ........................................................................................................................49
3.3. Setting the DIP switches .............................................................................................................49
3.4. LED indication .............................................................................................................................53
3.5. Accessories electrical installation ................................................................................................54
3.5.1. Pump kit .................................................................................................................................................54
3.5.2. WEH- Water Electric Heater ...................................................................................................................57
3.5.3. DHWT- Domestic Hot Water Tank ..........................................................................................................59
3.6. Electrical wiring diagrams............................................................................................................65
3.6.1. Electrical wiring diagram for models RHUE-(3~6)AVHN ........................................................................66
3.6.2. Electrical wiring diagram for RHUE-(5/6)AHN ........................................................................................67