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AC048BXUPCH
Samsung AC048BXUPCH User Manual
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AIR CONDITIONER
C
ONTENTS
S
Y
STEM AIR
C
ONDITIONER
SINGLE f
or
North
America(R-4
10A
, Heat Pump
)
1. Pr
ecautions
2. Product Specifications
3. Disassembl
y and Reas
sembl
y
4. T
roubleshooting
5. PCB Diagr
am and Parts List
6. Wiring
Diagr
am
7
. Ref
er
ence Sheet
Unitary
Outdoor
Unit
AHU C
ontr
ol Unit
AC
02
4BX
UPCH
AC
036BX
UDCH
AC
036BX
UPCH
AC
048BX
UPCH
AC
060BX
UPCH
MXD-U000
XN
2
Table of Contents
Table of Contents
2
Precautions
4
Precautions for the Service
4
Precautions for the Static Electricity and PL
4
Precautions for the Safety
4
Precautions for Handling Refrigerant for Air Conditioner
5
Precautions for Welding the Air Conditioner Pipe
5
Precautions for Additional Supplement of Air Conditioner Refrigerant
5
Other Precautions
5
Product Specifications
6
Outdoor Unit with AHU Control Unit
6
Product Specifications
8
Specifications of Optional Items
10
Accessories
10
Disassembly and Reassembly
11
Outdoor Unit
12
AHU Control Unit
35
Troubleshooting
36
Diagnostic Checkliest
36
Test Operation Mode and Check Mode
36
Troubleshooting by Symptoms
42
When the Outdoor Unit Power Is Not on - Initial Diagnosis : Single Phase Products
42
Communication Error between Outdoor Unit INV ↔ MAIN MICOM (1 Min.) - (E203)
44
Outdoor Sensor Error - (E221, E231, E251, E320)
45
High Pressure Sensor Error (Open/Short) - (E291)
46
Suction Temperature Sensor Error (Open/Short) - (E308)
47
Compressor down Due to Freezing Control - (E403)
48
System Stop Due to Overload Protection Control - (E404)
48
Comp. down Due to High Pressure Protection Control - (E407)
49
Comp. down Due to Low Pressure Sensor Protection (E410)
50
Comp. down Due to Disharge Temperature Protection Control - (E416)
51
Heating Operation Restricted at Outdoor Temperature over Theat_High Value
52
(Default : 86℉(30℃)) - (E440)
52
Cooling Operation Restricted at Outdoor Temperature over Tcool_Low Value
52
(Default : 32℉(0℃)) - (E441)
52
Outdoor Unit FAN Error - (E458, E475)
53
Compressor Error - (E461, 467)
54
Current Error - (E462, 484)
56
Over Load Protection Error (E463)
57
IPM (over Current) Error - (E464)
58
Compressor over Load Error- (E465)
61
AC Input Voltage Sensor Error - (E488)
62
Current Sensor Error - (E468)
63
DC Link Voltage Sensor Error (Short/Open) - (E469)
63
Outdoor Unit EEPROM Read/Write Error (Option) - (E470)
63
Outdoor Unit EEPROM Read/Write Error (H/W) - (E471)
63
Input Current Sensor Error (Short/Open) - (E485)
64
Error Due to High Pressure Switch Open or Compressor down by High Pressure - (E507)
65
Gas Leakage Error - (E554)
66
Blockage Deteced on High Pressure Pipe Duing Heating Operation - (E534)
68
PCB Diagram and Parts List
69
Outdoor Unit Main PBA
69
Outdoor Unit Inverter PBA
71
Outdoor Unit EMI PBA
73
AHU Control Unit PBA
74
Wiring Diagram
75
Outdoor Unit
75
AHU Control Unit
76
Reference Sheet
77
Index for Model Name
77
Outdoor Unit
77
Refrigerating Cycle Diagram
79
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Installation Manual
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Samsung AC048BXUPCH Specifications
General
Brand
Samsung
Model
AC048BXUPCH
Category
Air Conditioner
Language
English
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