Samsung AM920CXVAFC Manuals

Manuals and User Guides for Samsung AM920CXVAFC. We have 1 Samsung AM920CXVAFC manual available for free PDF download: Service Manual

Samsung AM920CXVAFC Service Manual (316 pages)

SYSTEM, OUTDOOR UNIT

Brand: Samsung | Category: Air Conditioner | Size: 34 MB

Table of Contents
2
Precautions
6
Precautions for the Service
6
Precautions for the Static Electricity and PL
6
Precautions for the Safety
6
Precautions for Handling Refrigerant for Air Conditioner
7
Precautions for Welding the Air Conditioner Pipe
7
Precautions for Additional Supplement of Air Conditioner Refrigerant
7
Other Precautions
7
Product Specifications
8
Feature of Product
8
Feature
8
Structure of Product (AM***CXVAF*)
10
Structure of Product (AM***CXVAJ*)
12
Model Names of Indoor/Outdoor Unit
14
Outdoor Unit Combination
14
Outdoor Unit
18
Combination and Connection Ratio Limitation
22
Product Specification
23
Outdoor Unit
23
Accessory and Option Specifications
33
Controller
33
Piping
35
Controller & Control Accessory Compatibility
36
Installation
36
Disassembly and Reassembly
37
Necessary Tools
37
Refrigerant Pipe Work
37
Disassembly and Reassembly
38
Checking the Device Condition
38
Removal Instructions for Cabinet
40
Disconnecting the Power Supply
41
Removal Instructions for Guard Fan
43
Removal Instructions for Fan and Motor
44
Removal Instructions for Compressor
55
Compressor Exchange Order
58
Removal Instructions for the Accumulator
60
Removal Instructions for the Control PBA
65
Removal Instructions for the Control Panel Assy
66
Removal Instructions for the Inverter PBA
67
Removal Instructions for the Fan PBA
68
Removal Instructions for the DC Reactors and EMI PBA
69
EEV Kit
70
Troubleshooting
71
Check-Up Window Description
71
Service Operation
72
Special Operation
72
DVM S2 Models EEPROM Code Table
79
Number Display Method (Outdoor Unit, MCU, Cable Remote Control, Wall-Mount, Etc.)
81
Appropriate Measures for Different Symptom
87
Outdoor Unit Test Operation Flow
87
Main PBA Has no Power Phenomenon
90
Communication Error between Indoor and Outdoor Units During Tracking
91
Communication Error between Indoor and Outdoor Units after Tracking
93
Communication Error between Main and Sub Unit of Outdoor Unit or between Outdoor Units
94
Internal Communication Error of the Outdoor Unit C-Box
95
Internal PBA Communication Error of the Outdoor Unit C-Box
96
MCU Branch Part Setup Error - Inconsecutive Connection with the Use of 2 Branch Parts
97
MCU Branch Part Setup Error - Repeated Setup for the same Address over 3 Times
98
Indoor Unit
98
MCU Branch Part Setup Error - Non-Installed Address Setup
99
Setup Error for MCU Branch Part - Setup Error for MCU Quantity Used
100
MCU Branch Part Setup Error - Overlapping Indoor Unit Address Setup
101
MCU Branch Part Setup Error - Set as Being Used Without Connection to an Indoor Unit
102
MCU Branch Part Setup Error - Connect an Indoor Unit to a Branch Part Not Being Used
103
MCU Branch Part Setup Error - Connect more Indoor Units than What Is Actually Set up in MCU
104
MCU/MCU Subcooler Entrance/Exit Sensor Error (Open/Short)
105
Outdoor Temperature Sensor Error
106
Cond out Temperature Sensor Error (Open/Short)
107
Outdoor Cond out Sensor Breakaway Error
108
Compressor Discharge or Top 1/2 Temperature Sensor Error
110
Compressor Discharge or Top Temperature Sensor Breakaway Error
111
Suction Temperature Sensor Breakaway Error
112
High Pressure Sensor Error (Open/Short)
113
Low Pressure Sensor Error (Open/Short)
114
Suction Temperature Sensor Error (Open/Short)
115
Liquid Pipe Temperature Sensor Error (Open/Short)
116
EVI in Temperature Sensor Error (Open/Short)
117
EVI out Temperature Sensor Error (Open/Short)
118
Suction-2 Temperature Sensor Error (OPEN/SHORT)
119
Measures of Other Outdoor Unit Error
120
Comp. down Due to High Pressure Protection Control
121
Suspension of Starting Due to Compressor Discharge Temperature Sensor / Top Temperature Sensor
122
3-Phase Input Wiring Error
123
Suspension of Starting by Abnormal Compression Ratio
124
EVI EEV Open Error
125
Refrigerant Leakage Error
126
Inspection Method
126
Prevention of Heating / Cooling Operation Due to Outdoor Temperature
127
Prevention of Heating Refrigerant Charge Due to Outdoor Temperature
128
CCH Wire Breaking Error
129
Fan Motor Starting Error
131
Samsung Electronics
132
Fan Motor Locking Error
133
Momentary Blackout Error
135
Outdoor Fan Motor Overheating
136
Fan PBA IPM Overheating Error
137
Compressor Starting Error
138
COMP Overcurrent Error
140
Overvoltage / Low Voltage Error
145
Samsung Electronics
145
DC Link Voltage Sensor Error
146
Fan Motor Overcurrent Error
147
Input / Output Current Sensor Error
149
Outdoor Fan PBA Overvoltage / Low Voltage Error
150
Hall IC Connection/Two Motor Parameter Difference Error
152
Inverter PBA IPM Overheating Error
153
Option Setting Error of Outdoor Unit
155
Error Due to Using Single Type Outdoor Unit in a Module Installation
156
Indoor Unit and MCU Address Duplication Error
157
Refrigerant Leakage Check Alarm in Operaiton
158
Main EEV Leakage Error
159
Case Study for Trouble Shoots
160
Electric Discharge Mode
160
Samsung Electronics
161
Pump down Operation
162
Pump out Operation
164
Vacuum
166
Case Study - E201 (Communication Error between Indoor & Outdoor Unit)
167
Outdoor Unit
168
Case Study - E205 (Internal Communication Error of the Outdoor Unit C-Box)
169
Case Study - E206 (Internal Communication Error of the Outdoor Unit C-Box)
170
Case Study - E108 (Error Due to Repeated Address Setting)
171
Case Study - E108, E604, E613
172
Case Study - E461, E361 (Error Due to Operation Failure of Inverter Compressor)
173
Case Study - Inverter PBA Error
174
Case Study - E461/361 & E464/364 & E466/366
175
Case Study - Poor Cooling Caused by IPM Overheated
179
Case Study - Related Error with IPM
180
Case Study - E455 (Fan IPM Overheat Error)
181
Case Study - Temperature Sensor Open/Short
183
Case Study - Pressure Sensor Open/Short
184
PBA Diagram and Parts List
185
Main PBA DC
185
Main PBA AC
187
Emi Pf8
188
Emi Pf9
189
Emi Pf9 Old
190
Samsung Electronics
190
Dual FAN
191
Safety 2FAN
192
PF8 Inv.integration J POWER
193
PF8 Inv.integration F POWER
195
Pf8_20C Inv J Power
197
Pf8_20C Inv F Power
198
Wiring Diagram
201
Am080Cxvaf*, Am080Cxvaj*, Am100Cxvaj*, Am120Cxvaj
201
Am100Cxvaf*, Am120Cxvaf*, Am100Cxvaj*, Am120Cxvaj*, Am140Cxvaj*, Am160Cxvaj
202
Am140Cxvaf*, Am160Cxvaf*, Am180Cxvaj*, Am200Cxvaj*, Am220Cxvaj
203
Am180Cxvaf*, Am200Cxvaf*, Am220Cxvaf*, Am240Cxvaf*, Am260Cxvaf*, Am240Cxvaj*, Am260Cxvaj*, Am280Cxvaj*, Am300Cxvaj
204
Am300Cxvaj*, Am320Cxvaj*, Am340Cxvaj
205
Field Wiring
206
Electrical Wiring Work
206
Electric Characteristics
207
Piping Diagram
211
Am080/100/120Cxvafh/Az, Am080/100/120Cxvajh/Az
213
Am140/160Cxvajh/Az
214
Am140/160/180/200/220Cxvafh/Az, Am180/200/220Cxvajh/Az
215
Am240/260Cxvafh/Az, Am240/260/280Cxvajh/Az
216
Am300/320/340Cxvajh/Az
217
Am080/100/120Cxvafc/Az, Am080/100/120Cxvafcaaz, Am080/100/120Cxvajc/Az
218
Am140/160Cxvajc/Az
219
Am140/160/180/200/220Cxvafc/Az, Am140/160/180/200/220Cxvafcaaz, Am180/200/220Cxvajc/Az
220
Am240/260Cxvafc/Az, Am240/260Cxvafcaaz, Am240/260/280/300Cxvajc/Az
221
Am320/340Cxvajc/Az
222
Functions
223
Basics
223
Basic Refrigeration Cycle
224
Control
227
Start-Up Modes
236
Cooling Operation
240
Heating Operation
242
Special Operation Modes
243
Defrost Operation
243
Oil Return Operation
245
High Pressure Protection
247
Low Pressure Protection
248
Compression Ratio
249
Discharge Temperature Protection
250
Operation Modes
258
Temperature Compensation
260
Others
266
Cooling Capacity Correction
267
Speed Operation
277
Key Options
279
System Configuration
279
List of Field Setting Items
280
Outdoor Unit Option Switch Settings (Cont.)
281
How to Check the View Mode Using a Tact Switch
283
Applications
290
Application of Night Silent
290
Application of External Contact Interface Module
291
Application of Auxiliary Heat Module
293
Application of Mode Select Switch
295
Operation
295
Test Operation
300
Auto Trial Operation
300
Overview of Auto Trial Operation
300
Auto Trial Operation Flow Chart
303
How to Resolve NG Items
304
Way Valve
311
Amount of Refrigerant Automatically Checking
314
Nomenclature
315
Model Naming
315

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Samsung AM920CXVAFC Service Manual (316 pages)

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