Part 4 - Electrical Circuit - Daikin ALTHERMA HT Service Manual

ESIE09-08B

Part 4 - Electrical Circuit

1. Switch Box Layout - Indoor Unit EKHBRD............................................28
2. PCB Layout for EKHBRD 011/014/016 AA/AB/AC/AD V1/Y1 ..............32
Refrigerant Circuit
2.1 Main PCB - A1P .....................................................................................32
2.2 Control - PCB - A3P ...............................................................................34
2.3 Inverter PCB - A4P.................................................................................36
2.4 Filter PCB - A6P .....................................................................................38
2.5 QA PCB - A5P........................................................................................40
2.6 Inverter Control PCB - Three Phase - A4P ............................................41
2.7 Inverter PCB - Three Phase - A5P .........................................................42
2.8 Digital I/O PCB (Option PCB A7P) .........................................................43
2.9 Demand PCB (Option PCB A8P) ...........................................................44
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