1. Precautions ......................................................................................................................................................1

1-1 Precautions for the Service ..................................................................................................................................................................................1

1-2 Precautions for the Static Electricity and PL ..............................................................................................................................................1

1-3 Precautions for the Safety ....................................................................................................................................................................................1

1-4 Precautions for Handling Refrigerant for Air Conditioner.................................................................................................................2

1-5 Precautions for Welding the Air Conditioner Pipe .................................................................................................................................2

1-6 Precautions for Additional Supplement of Air Conditioner Refrigerant ..................................................................................2

1-7 Other Precautions .....................................................................................................................................................................................................2

2. Product Specifications .................................................................................................................. 3

2-1 The Feature of Product ...........................................................................................................................................................................................3

2-2 Accessory and Option Specifications .........................................................................................................................................................44

3. Disassembly and Reassembly ...................................................................................................47

3-1 Indoor Unit .................................................................................................................................................................................................................48

AM017/022HN1DEH/EU............................................................................................................................................................................48

Slim 1 way cassette type ............................................................................................................................................................................55

AM052/060/072FN1DBH, AM052/060/072HN1DBH1 ...........................................................................................................64

BIG DUCT ............................................................................................................................................................................................................71

GD-S(Big Duct) ...............................................................................................................................................................................................74

Global 4way Cassette type .......................................................................................................................................................................85

Duct type(Slim1,2) .........................................................................................................................................................................................91

Duct type(Slim3) .............................................................................................................................................................................................96

Duct type(Mid pressure1) ......................................................................................................................................................................103

Duct typeDuct type (Mid Pressure2, High Pressure) .............................................................................................................108

AM036/045/056/071/090/112/128/140HNMPKH, AM112/128/140HNHPKH/EU..............................................113

CEILING..............................................................................................................................................................................................................118

AM112/140JNCDKH/EU..........................................................................................................................................................................127

CONSOLE .........................................................................................................................................................................................................132

ERV PLUS ..........................................................................................................................................................................................................137

Floor Standin Type ......................................................................................................................................................................................146

Wall mount type ..........................................................................................................................................................................................150

Global Mini 4way ........................................................................................................................................................................................153

AM160FNBDEH/320FNBDEH/500FNBDEH ...............................................................................................................................159

AM160/250FNBFEB, AM160/250FNBFGB ....................................................................................................................................163

Wall Mounted type(A3050) ...................................................................................................................................................................169

OAP DUCT .......................................................................................................................................................................................................178

V-AHU .................................................................................................................................................................................................................183

4. Troubleshooting .........................................................................................................................188

4-1 Check-up Window Description .....................................................................................................................................................................188

4-2 Service Operation ..................................................................................................................................................................................................189

4-3 Troubleshooting .....................................................................................................................................................................................................194

4-4 Appropriate Measures for Different Symptom ....................................................................................................................................227

5. PCB Diagram and Parts List .....................................................................................................325

5-1Indoor Unit ..............................................................................................................................................................................................................325

5-1-1 Slim 1 way cassette type (medium).........................................................................................................................................325

5-1-2 2 way cassette type ...........................................................................................................................................................................327

5-1-3 4way cassette , mini 4way casette type ................................................................................................................................329

5-1-4 Duct type (Slim Duct 2) ...................................................................................................................................................................331

5-1-5 Duct type (Slim Duct 3) ...................................................................................................................................................................334

5-1-6 Duct type(MSP, HSP, Big Duct) ....................................................................................................................................................337

5-1-7 Duct type(HSP) .....................................................................................................................................................................................339

5-1-8 Duct type (Super) ...............................................................................................................................................................................341

5-1-9 Duct type (Global Duct) ..................................................................................................................................................................343

Samsung Electronics

Section 0