ESIE09-08
Table of Contents i
Table of Contents
Table of Contents ............................................................................ i
1. Introduction .............................................................................................v
1.1 Safety Cautions ........................................................................................v
1.2 PREFACE ............................................................................................... ix
Part 1 - General Information .......................................................... 1
1. Model Names of Indoor/Outdoor Units & Tanks .....................................2
Part 2 - Specifications.................................................................... 5
1. Specifications ..........................................................................................6
1.1 Outdoor Units ...........................................................................................6
1.2 Indoor Unit................................................................................................8
Part 3 - Refrigerant Circuit & Functional Parts ........................... 11
1. Refrigerant Circuit .................................................................................12
1.1 Outdoor Unit ...........................................................................................12
1.2 Indoor Unit..............................................................................................14
2. Functional Parts Layout ........................................................................16
2.1 ERRQ 011/014/016 AAV1, ERSQ 011/014/016 AAV1 ..........................16
2.2 ERRQ 011/014/016 AAY1, ERSQ 011/014/016 AAY1 ..........................18
2.3 EKHBRD 011/014/016 AAV1, EKHBRD 011/014/016 AAY1 .................20
2.4 EKHTS 200/260 A ..................................................................................22
2.5 EKHTSU 200/260 A ...............................................................................24
Part 4 - Electrical Circuit ............................................................. 27
1. Switch Box Layout - Indoor Unit EKHBRD............................................28
2. PCB Layout for EKHBRD 011/014/016 AAV1.......................................30
2.1 Main PCB - A1P .....................................................................................30
2.2 Control - PCB - A3P ...............................................................................32
2.3 Inverter PCB - A4P.................................................................................34
2.4 Filter PCB - A6P .....................................................................................37
2.5 QA PCB - A5P........................................................................................39
2.6 Inverter Control PCB - Three Phase - A4P ............................................40
2.7 Inverter PCB - Three Phase - A5P .........................................................42
2.8 Digital I/O PCB (Option PCB A7P) .........................................................44
2.9 Demand PCB (Option PCB A8P) ...........................................................46
Part 5 - Function ........................................................................... 47
1. Operation Mode ....................................................................................48
2. Basic Control.........................................................................................49
2.1 Normal Operation ...................................................................................49