Samsung AC024BXSCCC User Manual

AIR CONDITIONER CONTENTS
SYSTEM AIR CONDITIONER
SINGLE for North America(R-410A, Heat Pump and Cooling Only)
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Reference Sheet
AC009BNLDCH
AC012BNLDCH
AC018BNLDCH
AC009BNHDCH
AC012BNHDCH
AC018BNHDCH
AC024BNHDCH
AC030BNHDCH
AC036BNHDCH
AC042BNHDCH
AC048BNHDCH
AC009BN1DCH
AC012BN1DCH
AC018BN1DCH
AC009BNNDCH
AC012BNNDCH
AC018BNNDCH
AC018BN4DCH
AC024BN4DCH
AC030BN4DCH
AC036BN4DCH
AC042BN4DCH
AC048BN4DCH
AC018BN6DCH
AC024BN6DCH
AC030BN6DCH
AC036BN6DCH
AC042BN6DCH
AC048BN6DCH
AC018BNADCH
AC024BNADCH
AC030BNTDCH
AC036BNTDCH
AC009BNJDCH
AC012BNJDCH
AC018BNJDCH
AC018BNZDCH
AC024BNZDCH
INDOOR UNIT OUTDOOR UNIT
AC030BNZDCH
AC036BNZDCH
AC042BNZDCH
AC048BNZDCH
AC018KNZDCH
AC024KNZDCH
AC030KNZDCH
AC036KNZDCH
AC042KNZDCH
AC048KNZDCH
AC009BXADCH
AC012BXADCH
AC018BXADCH
AC024BXADCH
AC030BXADCH
AC036BXADCH
AC042BXADCH
AC048BXADCH
AC018BXSCCC
AC024BXSCCC
AC030BXSCCC
AC036BXSCCC
AC030BXSCCH
AC036BXSCCH

Samsung AC024BXSCCC Specifications

General

Capacity (Cooling, Btu/hr)	24000
Capacity (Heating, Btu/hr)	24000
Power Source	Electric
Refrigerant	R410A
Type	Split
Power Supply	220-240V, 50Hz
Operating Temperature (Cooling)	18°C to 43°C

Summary

1. Precautions

1-3. Precautions for the Safety

General safety precautions for operating and handling the unit.

3. Disassembly and Reassembly

3-1. Indoor unit

Procedures for disassembling and reassembling indoor units.

1way CST : AC009BN1DCH, AC012BN1DCH

Disassembly steps for specific 1way CST indoor unit models.

1way CST : AC018BN1DCH

Disassembly steps for the 1way CST AC018BN1DCH indoor unit.

4way CST : AC***BN4DCH

Disassembly steps for 4way CST AC***BN4DCH indoor units.

4way CST(600x600) : AC***BNNDCH

360 Cassette : AC***BN6DCH

Duct S : AC009BNHDCH, AC012BNHDCH

Duct S : AC018/024/030/036/042/048BNHDCH

Console : AC***BNJDCH

MPAH : AC***BNZDCH, AC***KNZDCH

3-2. Outdoor unit

Procedures for disassembling and reassembling outdoor units.

AC009/012BXADCH

AC018BXADCH

AC036/042/048BXADCHA

AC018BXSCCC

AC024BXSCCC

AC030/036BXSCCC

AC036/042/048BXADCH

AC030/036BXSCCH

4. Troubleshooting

4-1-7. Emergency Temperature Output (ETO) function

4-3. Diagnostic Checklist

Checklist for diagnosing product issues.

4-3-1. Test operation mode and check mode

Procedures for test operation and mode checking.

4-4. Troubleshooting by symptoms

Troubleshooting guide based on observed symptoms.

4-4-1. Indoor temperature sensor error (E121)

Troubleshooting steps for indoor temperature sensor errors.

4-4-2. Indoor heat exchanger temperature sensor error (E122)

Troubleshooting steps for indoor heat exchanger sensor errors.

4-4-3. Indoor unit float sensor error (E153)

Troubleshooting steps for indoor unit float sensor errors.

4-4-4. Indoor Fan error (E154)

Troubleshooting steps for indoor fan errors.

4-4-5. EEPROM circuit failure (E162)

Troubleshooting steps for EEPROM circuit failures.

4-4-6. Communication error after finishing Tracking (E202)

Troubleshooting steps for communication errors after tracking.

4-4-7. The whistling noise from the indoor unit in low wind mode

Troubleshooting steps for whistling noise in low wind mode.

4-4-8. When the outdoor unit power is not ON - Initial Diagnosis : 1-phase products

Initial diagnosis for outdoor unit power not being ON.

4-4-9. Indoor/outdoor communication error (2min.) (Error Code : E202)

Troubleshooting indoor/outdoor communication errors (2 min).

4-4-10. Communication error between outdoor unit INV ↔ MAIN MICOM (1 min.) (Error Code: E203)

Troubleshooting communication errors between INV and MAIN MICOM (1 min).

4-4-11. Outdoor sensor error(Error Code : E221, E231, E251, E320)

Troubleshooting outdoor sensor errors.

4-4-12. Compressor down due to freezing control (Error Code : E403)

Troubleshooting compressor issues related to freezing control.

4-4-13. Pipe blockage error (Error Code : E422)

Troubleshooting steps for pipe blockage errors.

4-4-14. Outdoor unit Fan error (Error Code : E458, E475)

Troubleshooting outdoor unit fan errors.

4-4-15. Compressor starting error / rotation error (Error Code : E461, E467)

Troubleshooting compressor starting or rotation errors.

4-4-16. Full current error / PFC over-current error (Error Code : E462, E484)

Troubleshooting full current or PFC over-current errors.

4-4-17. IPM (Over Current) error (Error Code : E464)

Troubleshooting IPM (Over Current) errors.

4-4-18. DC LINK over-current / low-voltage error (Error Code : E466)

Troubleshooting DC LINK errors.

4-4-19. Gas leakage error (Error Code : E554)

Troubleshooting steps for gas leakage errors.

4-4-20. Others