Samsung AM120KXMDGH/EU User Manual

AIR CONDITIONER CONTENTS
SYSTEM AIR CONDITIONER
OUTDOOR UNIT
DVM S ECO BIG
AM100KXMDGH/EU AM100KXMDHH/TC
AM120KXMDGH/EU AM120KXMDHH/TC
AM140KXMDGH/EU AM140KXMDHH/TC
AM100KXMDGH/TL AM100KXMDGH/TK
AM120KXMDGH/TL AM120KXMDGH/TK
AM140KXMDGH/TL AM140KXMDGH/TK
AM080KXMFGH/ID AM080KXMFHH/MG
AM100KXMFGH/ID AM100KXMFHH/MG
AM080KXMDFH/TC
AM100KXMDFH/TC
AM120KXMDFH/TC
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Cycle Diagram
8. Key Options
9. Test Operation
10. Reference Sheet
AM100KXMDGH/EU AM100KXMDHH/TC
AM120KXMDGH/EU AM120KXMDHH/TC
AM140KXMDGH/EU AM140KXMDHH/TC
AM100KXMDGH/TL AM100KXMDGH/TK
AM120KXMDGH/TL AM120KXMDGH/TK
AM140KXMDGH/TL AM140KXMDGH/TK
AM080KXMFGH/ID AM080KXMFHH/MG
AM100KXMFGH/ID AM100KXMFHH/MG
AM080KXMDFH/TC AM100KXMDFH/TC
AM120KXMDFH/TC

Samsung AM120KXMDGH/EU Specifications

General

Brand	Samsung
Model	AM120KXMDGH/EU
Category	Air Conditioner
Language	English

Summary

Precautions

Precautions for Handling Refrigerant for Air Conditioner

Product Specifications

Disassembly and Reassembly

Disassembly and Reassembly

Step-by-step guide for disassembly and reassembly.

How to change the compressor

Troubleshooting

Error code

Discharge mode of DC link voltage

Checklist before auto trial operation

Auto trial operation

Error due to repeated address setting

Troubleshooting repeated address settings (E-108).

Communication error between indoor and outdoor unit (E-201)

Troubleshooting communication errors (E-201).

Communication error on all PBA within the outdoor unit C-Box, communication cable error. (E-205)

Troubleshooting C-Box communication errors (E-205).

Communication error on all PBA within the outdoor unit C-Box, communication cable error. (E-206)

Troubleshooting C-Box communication errors (E-206).

Error on outdoor temperature sensor of outdoor unit (Short or open). (E-221)

Troubleshooting outdoor temp sensor errors (E-221).

Error on COND OUT temperature sensor of main outdoor unit (Short or open). (E-231)

Troubleshooting COND OUT sensor errors (E-231).

Error on discharge temperature sensor of compressor 1 (Short or open). (E-251)

Troubleshooting compressor discharge sensor errors (E-251).

Discharge temperature sensor of compressor 1 is detached from the sensor holder on the pipe. (E-262) / Top sensor of compressor 1 is detached (E-266)

Troubleshooting detached compressor sensors (E-262/E-266).

Suction temperature sensor is detached from the sensor holder on the pipe. (E-269)

Troubleshooting detached suction sensor (E-269).

Refrigerant leakage or error on high pressure sensor (Short or open). (E-291)

Troubleshooting refrigerant leak/high pressure sensor errors (E-291).

Refrigerant leakage or error on low pressure sensor (Short or open). (E-296)

Troubleshooting refrigerant leak/low pressure sensor errors (E-296).

Error on suction temperature sensor (Short or open). (E-308)

Troubleshooting suction sensor errors (E-308).

Error on temperature sensor of double layer pipe/liquid pipe(sub heat exchanger) (Short or open). (E-311)

Troubleshooting double layer/liquid pipe sensor errors (E-311).

Error on EVI (ESC) IN temperature sensor (Short or open). (E-321)

Troubleshooting EVI IN sensor errors (E-321).

Error on EVI (ESC) OUT temperature sensor(Short or open). (E-322)

Troubleshooting EVI OUT sensor errors (E-322).

Error due to operation failure of Fan2 (E-346) / Error due to operation failure of Fan1 (E-446) (cont.)

Troubleshooting fan operation failure (E-346/E-446).

Motor wire of Fan2 is not connected. (E-347)

Troubleshooting Fan2 motor wire connection (E-347).

Lock error on Fan2 of outdoor unit. (E-348) / Lock error on Fan1 of outdoor unit. (E-448)

Troubleshooting fan lock errors (E-348/E-448).

Error due to overheated motor of outdoor unit's Fan2 (E-353) / Error due to overheated motor of outdoor unit's Fan1. (E-453)

Troubleshooting overheated fan motor errors (E-353/E-453).

Error due to overheated IPM of Fan2. (E-355) / Error due to overheated IPM of Fan1. (E-455)

Troubleshooting overheated IPM errors (E-355/E-455).

Error due to overcurrent of Fan2. (E-378) / V-limit error on Fan2 of compressor. (E-389) / Error due to overcurrent of Fan1. (E-478) / V-limit error on Fan1 of compressor. (E-489)

Troubleshooting fan/compressor overcurrent/V-limit errors.

Hall IC connection error of Fan2 (E387) / Hall IC connection error of Fan1. (E487)

Troubleshooting Hall IC connection errors (E387/E487).

Output current sensor error of Fan2. (E-393) / Output current sensor error of inverter PBA 1. (E-468) / Error due to input current of inverter 1. (E-485) / Output current sensor error of Fan1. (E-493)

Troubleshooting output/input current sensor errors.

DC voltage sensor error of Fan2. (E-396) / DC voltage sensor error of inverter PBA 1. (E-469) / DC voltage sensor error of Fan1. (E-496)

Troubleshooting DC voltage sensor errors.

Heat sink temperature sensor error of Fan2. (E-399)

Troubleshooting heat sink sensor errors (E-399).

Compressor operation stop due to high pressure protection control. (E-407)

Troubleshooting high pressure protection stops (E-407).

Compressor operation stop due to low pressure protection control or refrigerant leakage. (E-410) (cont.)

Compressor operation stop due to discharge temperature protection control. (E-416) (cont.)

Phase reversal or phase failure(3Ø outdoor unit wiring, R-S-T-N), connection error on 3 phase input. (E-425) (cont.)

Phase reversal or phase failure(3Ø outdoor unit wiring, R-S-T-N), connection error on 3 phase input. (E-428) (cont.)

EVI (ESC) EEV leakage or internal leakage of intercooler or incorrect connector insertion of EVI (ESC) EEV. (E-438) (cont.)

Error due to refrigerant leakage. (E-439) / Operation prohibited due to low pressure. (E-443)

Heating mode restriction due to high air temperature. (E-440) / Operation prohibited due to low pressure. (E-441)

Refrigerant charging restriction in heating mode when air temperature is over 15°C. (E-442)

CCH is detached. (E-445)

Error due to operation failure of inverter compressor 1. (E-461)

Error due to operation failure of inverter compressor 1. (E-464)

Error due to over voltage / low voltage of inverter PBA 1. (E-466)

Over-voltage/low-voltage error of Fan1. (E-486)

Error due to overheat caused by contact failure on IPM of inverter PBA 1. (E-500)

Outdoor unit’s option switch setting error (Using E2P option of other models or emergency operation for compressor malfunction option setting was enabled on all compressors of corresponding outdoor unit). (E-560)

Outdoor unit’s option switch setting error (Using E2P option of other models or emergency operation for compressor malfunction option setting was enabled on all compressors of corresponding outdoor unit). (E-563)

Error due to using single type outdoor unit in a module installation. (E-573)

PCB Diagram and Parts List

Wiring Diagram

Cycle Diagram