Daikin ALTHERMA HT ERSQ 014 V1

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ESIE09-08A

Table of Contents i

Table of Contents

Table of Contents............................................................................i

1. Introduction........................................................................................................vi

1.1 Safety Cautions....................................................................................................vi

1.2 PREFACE.............................................................................................................x

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 ....................................................................................17

2.1 ERRQ 011/014/016 AAV1, ERSQ 011/014/016 AAV1....................................17

2.2 ERRQ 011/014/016 AAY1, ERSQ 011/014/016 AAY1....................................19

2.3 EKHBRD 011/014/016 AA(V1/Y1) ..................................................................21

2.4 EKHBRD 011/014/016 AB/AC(V1/Y1)............................................................23

2.5 EKHTS 200/260 A/AB/AC................................................................................24

2.6 EKHTSU 200/260 A/AB/AC .............................................................................26

Part 4 - Electrical Circuit .............................................................29

1. Switch Box Layout - Indoor Unit EKHBRD....................................................30

2. PCB Layout for EKHBRD 011/014/016 AA/AB/AC V1/Y1 ..........................34

2.1 Main PCB - A1P.................................................................................................34

2.2 Control - PCB - A3P...........................................................................................36

2.3 Inverter PCB - A4P.............................................................................................38

2.4 Filter PCB - A6P.................................................................................................41

2.5 QA PCB - A5P....................................................................................................43

2.6 Inverter Control PCB - Three Phase - A4P ........................................................44

2.7 Inverter PCB - Three Phase - A5P......................................................................46

2.8 Digital I/O PCB (Option PCB A7P)...................................................................48

2.9 Demand PCB (Option PCB A8P).......................................................................50

Part 5 - Function...........................................................................53

1. Operation Mode ................................................................................................54

2. Basic Control.....................................................................................................55

Daikin ALTHERMA HT ERSQ 014 V1 - Table of Contents