Daikin Altherma HT Service Manual

ESIE09-08B
Refrigerant Circuit 27
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
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

Daikin Altherma HT Specifications

General

Type	Air-to-water heat pump
Refrigerant	R-410A
Water Outlet Temperature	Up to 80°C
Operating Temperature Range	-20°C to 35°C
Power Supply	3-phase, 400V
Energy Efficiency Class (Heating)	A++