Samsung AC018BXADCH - Indoor Unit Wiring Diagram - RAC

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Wiring Diagram

Samsung Electronics 6-5

Indoor Unit (cont.)

This Document can not be used without Samsung’s authorization.

■ RAC : AC018/024BNADCH

Main Page

Table of Contents2
Precautions4
Precautions for the Service4
Precautions for the Static Electricity and PL4
Precautions for the Safety4
Precautions for Handling Refrigerant for Air Conditioner5
Precautions for Welding the Air Conditioner Pipe5
Precautions for Additional Supplement of Air Conditioner Refrigerant5
Other Precautions5
Product Specifications6
CAC Single6
The Feature of Product7
Features (Wind-Free 1Way CST)7
The Feature of Product8
Features (Wind-Free 4Way CST)8
Features & Benefits13
4Way Cassette (600 X 600)13
4Way Cassette (600 X 600) - Tasteful Design, Compact, Lightweight Build13
Cassette15
Duct S17
Wall Mount Type18
Wall Mounted Wind Free - Wind Free, Auto Clean19
Product Specifications20
Specifications of Optional Items45
Accessories45
Indoor Unit55
Outdoor Unit138
Troubleshooting195
Setting an Indoor Unit Address and Installation Option195
The Procedure of Setting Option195
Order for Setting Options (Wired Remote Controller)204
Setting the Indoor Unit Addresses205
Setting an Indoor Unit Installation Option206
(Suitable for the Condition of each Installation Location)206
Changing the Addresses and Options Individually226
Emergency Temperature Output (ETO) Function227
Model-Specific Option Code229
Diagnostic Checklist235
Test Operation Mode and Check Mode235
Error Code [Indoor]241
Troubleshooting by Symptoms250
Indoor Temperature Sensor Error (E121)250
Indoor Heat Exchanger Temperature Sensor Error (E122)251
Indoor Unit Float Sensor Error (E153)252
Indoor Fan Error (E154)253
EEPROM Circuit Failure (E162)254
Communication Error after Finishing Tracking (E202)255
The Whistling Noise from the Indoor Unit in Low Wind Mode256
When the Outdoor Unit Power Is Not on - Initial Diagnosis : 1-Phase Products257
Indoor/Outdoor Communication Error (2Min.) (Error Code : E202)259
Communication Error between Outdoor Unit INV ↔ MAIN MICOM (1 Min.)261
(Error Code: E203)261
Outdoor Sensor Error(Error Code : E221, E231, E251, E320)262
Compressor down Due to Freezing Control (Error Code : E403)263
Pipe Blockage Error (Error Code : E422)264
Outdoor Unit Fan Error (Error Code : E458, E475)265
Compressor Starting Error / Rotation Error (Error Code : E461, E467)266
Full Current Error / PFC Over-Current Error (Error Code : E462, E484)268
IPM (over Current) Error (Error Code : E464)269
DC LINK Over-Current / Low-Voltage Error (Error Code : E466)272
H/W Dc_Link over Voltage Error (Error Code : E483)272
AC Input Voltage Sensor Error (Error Code : E488)272
Gas Leakage Error (Error Code : E554)274
Others276
PCB Diagram and Parts List279
Indoor Unit Main PBA279
Indoor Unit Display PBA297
Indoor Unit Sub PBA303
Outdoor Unit Main PBA305
Outdoor Unit Inverter PBA309
Outdoor Unit EMI PBA314
Wiring Diagram315
Indoor Unit315
Outdoor Unit323
Reference Sheet326
Index for Model Name326
Indoor Unit326
Outdoor Unit327
Panel328
Refrigerating Cycle Diagram329

Samsung AC018BXADCH - Indoor Unit Wiring Diagram - RAC

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