Table Of Contents - Samsung AEX160EDEHA Service Manual

Table of Contents

Contents

RC160MHXGA_SM_E_34513A(1)_1~3.indd 1

1. Precautions ..............................................................................................................................................3

1-1 Precautions for the Service ..........................................................................................................................................3

1-2 Precautions related to static electricity and PL ...................................................................................................3

1-3 Precautions for the Safety ............................................................................................................................................4

1-4 Precautions for handling a system containing refrigerants .........................................................................5

1-5 Precautions for the brazing .........................................................................................................................................5

1-6 Precautions for charging refrigerants .....................................................................................................................5

2. General Overview ................................................................................................................................6

2-1 Features of the System ..................................................................................................................................................6

2-1-1 Key features of the EHS(SPLIT) .........................................................................................................................7

2-2 Product Speciﬁcations ...................................................................................................................................................8

2-2-1 Outdoor Unit ............................................................................................................................................................8

2-3 Speciﬁcations of optional items .............................................................................................................................11

2-3-1 Accessories .............................................................................................................................................................11

3. Disassembly and Reassembly

3-1 Hydro unit .........................................................................................................................................................................13

3-2 Outdoor Unit ...................................................................................................................................................................21

4. Troubleshooting

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4-1 Wired remote controller .............................................................................................................................................37

4-2 Troubleshooting by symptoms ..............................................................................................................................40

4-2-1 Communication error after ﬁnishing Tracking ......................................................................................40

4-2-2 EEPROM circuit failure .......................................................................................................................................41

4-3 Hydro unit(Mono) ........................................................................................................................................................42

4-3-1 EEPROM error .....................................................................................................................................................42

4-3-2

: Error due to abnormal data of Wired remote controller thermistor value ............................43

4-3-3

: Error due to abnormal data of Water outlet thermistor value ...............................44

4-3-4

: Error due to abnormal data of DHW tank thermistor value ...................................45

4-3-5 Water pump & ﬂow switch OFF ...................................................................................................................46

4-3-6 Water pump & ﬂow switch ON ....................................................................................................................47

4-3-7 Hydro unit temperature sensor(open/short) ........................................................................................48

4-3-8 Communication error after ﬁnishing Tracking(Hydro unit) ............................................................49

4-4 Items to check before diagnostics .......................................................................................................................50

4-4-1 Test run mode and view mode ....................................................................................................................50

4-4-2 Troubleshooting for outdoor unit ..............................................................................................................51

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