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

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

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

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

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

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

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

2. Product Specifications ...............................................................................................................2-1

2-1 Product Specifacations .....................................................................................................................................................................................2-1

2-1-1 Indoor Unit ..................................................................................................................................................................................................2-1

2-2 Accessory and Option Specifications ....................................................................................................................................................2-47

2-2-1 Accessories ...............................................................................................................................................................................................2-47

3. Disassembly and Reassembly ..................................................................................................3-1

3-1 Indoor Unit ...............................................................................................................................................................................................................3-2

Slim 1 way cassette type ............................................................................................................................................................................3-2

BIG DUCT ............................................................................................................................................................................................................3-8

Global 4way Cassette type ....................................................................................................................................................................3-11

Duct type(Slim1,2) ......................................................................................................................................................................................3-17

Duct type(Slim3) ..........................................................................................................................................................................................3-22

Duct type (MSP1) ........................................................................................................................................................................................3-29

Duct type (MSP2, HSP SMALL) ............................................................................................................................................................3-34

Duct type (MA1-Drain Pump Built-in) ..........................................................................................................................................3-39

- AM007/009/012/015/018JNMDCH/AA ........................................................................................................................................3-39

Duct type (MA2) ........................................................................................................................................................................................3-44

- AM024/027/030/036/048JNHDCH/AA (Drain Pump Built-in) .........................................................................................3-44

- AM054KNMDCH/AZ (Drain Pump Option) ................................................................................................................................3-44

AM036/048JNCDCH/AA ........................................................................................................................................................................3-48

CEILING ..............................................................................................................................................................................................................3-53

Wall mounted type (Neo forte) ...........................................................................................................................................................3-62

Wall Mounted type (Boracay) .............................................................................................................................................................3-65

Global Mini 4way .........................................................................................................................................................................................3-69

PAC ......................................................................................................................................................................................................................3-75

- AM145FNPDBH1 .........................................................................................................................................................................................3-75

- AM290FNPDBH1 .........................................................................................................................................................................................3-79

Floor Standing Type (CONCEALED) ..................................................................................................................................................3-85

Floor Standing Type (EXPOSED) .........................................................................................................................................................3-89

OAP Duct type .............................................................................................................................................................................................3-93

Global Duct 1 (AM007/009/012/015/018MNMDCH/AA) .................................................................................................3-102

Global Duct 2,3 (AM024/027/030/036/048MNMDCH/AA) .............................................................................................3-107

4. Troubleshooting ..........................................................................................................................4-1

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

4-2-1 Special Operation ..................................................................................................................................................................................4-2

4-3 Troubleshooting ....................................................................................................................................................................................................4-7

4-3-1 Setting Option Setup Method ........................................................................................................................................................4-7

4-3-2 Option Items ......................................................................................................................................................................................................

4-16

4-3-3 What to check before diagnosis .............................................................................................................................................4-22

4-3-4 Number Display Method (Outdoor Unit, MCU, Cable remote control, wall-mount, etc.) ........................4-31

4-4 Appropriate Measures for Different Symptom ...............................................................................................................................4-36

4-4-1 Outdoor Unit Operation Flow .....................................................................................................................................................4-36

4-4-2 Main PCB has no power phenomenon .................................................................................................................................4-37

4-4-3 Indoor Unit ROOM sensor Error (Open/Short) ..................................................................................................................4-38

4-4-4 Indoor unit EVAP IN sensor Error (Open/Short) .................................................................................................................4-39

4-4-5 Indoor EVAP OUT sensor Error (Open/Short) .....................................................................................................................4-40

4-4-6 Indoor Heat Exchanger's EVAP IN sensor dislocation error .......................................................................................4-41

Samsung Electronics

Section 0