
Section 0
Samsung Electronics 1
Contents
1. Precautions .................................................................................................................................................. 1-1
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.................................................................................................................................................... 2-61
2-2-1 Accessories ........................................................................................................................................................................................... 2-61
3. Disassembly and Reassembly..................................................................................................3-1
3-1 Indoor Unit...............................................................................................................................................................................................................3-2
Ŷ Slim 1 way cassette type..........................................................................................................................................................................3-2
Ŷ BIG DUCT ..........................................................................................................................................................................................................3-8
Ŷ Global 4way Cassette type.................................................................................................................................................................. 3-11
Ŷ Duct type(Slim1,2).................................................................................................................................................................................... 3-17
Ŷ Duct type(Slim3)........................................................................................................................................................................................ 3-22
Ŷ Duct type(MSP1) ....................................................................................................................................................................................... 3-29
Ŷ Duct type(MSP2, HSP SMALL)........................................................................................................................................................... 3-34
ŶDuct type (MA1-Drain Pump Built-in) .......................................................................................................................................... 3-39
ŶDuct type (MA2) ........................................................................................................................................................................................ 3-44
ŶAM036/048JNCDCH/AA....................................................................................................................................................................... 3-48
Ŷ CEILING............................................................................................................................................................................................................ 3-53
Ŷ Wall mounted type (Neo forte)......................................................................................................................................................... 3-62
Ŷ Global Mini 4way ...................................................................................................................................................................................... 3-65
Ŷ PAC .................................................................................................................................................................................................................... 3-71
Ŷ Floor Standing Type (CONCEALED) .............................................................................................................................................. 3-81
Ŷ Floor Standing Type (EXPOSED) ..................................................................................................................................................... 3-85
Ŷ OAP Duct type............................................................................................................................................................................................ 3-89
Ŷ 360 cassette type ...................................................................................................................................................................................... 3-98
4. Troubleshooting..........................................................................................................................4-1
4-1 Check-up Window Description...................................................................................................................................................................... 4-1
4-2 Service Operation...................................................................................................................................................................................................4-2
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........................................................................................................................................................................................ 4-22
4-3-3 What to check before diagnosis .............................................................................................................................................. 4-27
4-3-4 Number Display Method (Outdoor Unit, MCU, Cable remote control, wall-mount, etc.) .................... 4-36
4-4 Appropriate Measures for Different Symptom.................................................................................................................................. 4-41
4-4-1 Outdoor Unit Operation Flow................................................................................................................................................... 4-41
4-4-2 Main PCB has no power phenomenon .............................................................................................................................. 4-42
4-4-3 Indoor Unit ROOM sensor Error (Open/Short)................................................................................................................ 4-43
4-4-4 Indoor unit EVAP IN sensor Error (Open/Short).............................................................................................................. 4-44
4-4-5 Indoor EVAP OUT sensor Error (Open/Short) .................................................................................................................. 4-45
4-4-6 Indoor Heat Exchanger's EVAP IN sensor dislocation error..................................................................................... 4-46
4-4-7 Indoor Heat Exchanger's EVA OUT sensor dislocation error (Open/Short) ................................................... 4-47
4-4-8 Simultaneous Indoor Heat Exchanger's EVA IN, OUT sensor dislocation error (Open/Short)............4-48
4-4-9 Electronic Expansion Valve opening malfunction (2nd stage) - E135.............................................................. 4-49
4-4-10 Breakdown of EEV (2nd).............................................................................................................................................................. 4-50
4-4-11 Problem with EEV closure (2nd).............................................................................................................................................. 4-51
4-4-12 E153 : Detection of Floating Switch of Indoor Unit's Drain Pump ................................................................... 4-52
4-4-13 The operational error of Indoor Unit's Fan Motor ...................................................................................................... 4-53
4-4-14 Mixed operation Error (Only applicable to Heat Pump Model/Not to HR model)................................. 4-54