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Samsung AC024BXUPCH Service Manual

System air conditioner

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Installation manual (32 pages)

Table Of Contents

Table of Contents

Table of Contents
Precautions
Precautions for the Service
Precautions for the Static Electricity and PL
Precautions for the Safety
Precautions for Handling Refrigerant for Air Conditioner
Precautions for Welding the Air Conditioner Pipe
Precautions for Additional Supplement of Air Conditioner Refrigerant
Other Precautions
Product Specifications
Outdoor Unit with AHU Control Unit
Product Specifications
Specifications of Optional Items
Accessories
Disassembly and Reassembly
Outdoor Unit
AHU Control Unit
Troubleshooting
Diagnostic Checkliest
Test Operation Mode and Check Mode
Troubleshooting by Symptoms
When the Outdoor Unit Power Is Not on - Initial Diagnosis : Single Phase Products
Communication Error between Outdoor Unit INV ↔ MAIN MICOM (1 Min.) - (E203)
Outdoor Sensor Error - (E221, E231, E251, E320)
High Pressure Sensor Error (Open/Short) - (E291)
Suction Temperature Sensor Error (Open/Short) - (E308)
Compressor down Due to Freezing Control - (E403)
System Stop Due to Overload Protection Control - (E404)
Comp. down Due to High Pressure Protection Control - (E407)
Comp. down Due to Low Pressure Sensor Protection (E410)
Comp. down Due to Disharge Temperature Protection Control - (E416)
Heating Operation Restricted at Outdoor Temperature over Theat_High Value
(Default : 86℉(30℃)) - (E440)
Cooling Operation Restricted at Outdoor Temperature over Tcool_Low Value
(Default : 32℉(0℃)) - (E441)
Outdoor Unit FAN Error - (E458, E475)
Compressor Error - (E461, 467)
Current Error - (E462, 484)
Over Load Protection Error (E463)
IPM (over Current) Error - (E464)
Compressor over Load Error- (E465)
AC Input Voltage Sensor Error - (E488)
Current Sensor Error - (E468)
DC Link Voltage Sensor Error (Short/Open) - (E469)
Outdoor Unit EEPROM Read/Write Error (Option) - (E470)
Outdoor Unit EEPROM Read/Write Error (H/W) - (E471)
Input Current Sensor Error (Short/Open) - (E485)
Error Due to High Pressure Switch Open or Compressor down by High Pressure - (E507)
Gas Leakage Error - (E554)
Blockage Deteced on High Pressure Pipe Duing Heating Operation - (E534)
PCB Diagram and Parts List
Outdoor Unit Main PBA
Outdoor Unit Inverter PBA
Outdoor Unit EMI PBA
AHU Control Unit PBA
Wiring Diagram
Outdoor Unit
AHU Control Unit
Reference Sheet
Index for Model Name
Outdoor Unit
Refrigerating Cycle Diagram

AIR CONDITIONER

SYSTEM AIR CONDITIONER

SINGLE for North America(R-410A, Heat Pump)

Unitary Outdoor Unit

AC024BXUPCH

AC036BXUDCH

AC036BXUPCH

AC048BXUPCH

AC060BXUPCH

CONTENTS

1. Precautions

2. Product Specifications

3. Disassembly and Reassembly

4. Troubleshooting

5. PCB Diagram and Parts List

6. Wiring Diagram

7. Reference Sheet

AHU Control Unit

MXD-U000XN

Table of Contents

Troubleshooting

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