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AQV09UGAN
Samsung AQV09UGAN Service Manual
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12-2
Is the communica
on error
occurred again?
Terminate
the service.
NO
Is
the connec
on of power cable
and communica
on cable normal?
Correct
the wrong cable.
NO
YES
Exchange
the indoor unit PBA.
Is the communica
on error
occurred again?
Terminate
the service.
NO
YES
Exchange
the outdoor unit PBA.
YES
Re
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38
40
Table of Contents
Table of Contents
2
Circuit Descriptions
3
Product Specifications
4
Thr Feature of Product
4
Indoor Unit
5
Outdoor Unit
6
The Comparative Specifications of Product
7
Outdoor Unit
7
Accessory and Option Specifications
8
Accessories
8
Exploded Views and Parts List
10
Indoor Unit
10
Operating Instructions
10
Ass'y Control in
11
Outdoor Unit AQV**P*AX
12
Ass'y Control out
13
Outdoor Unit AQV**PSBX*
14
Assy-Control in
16
Ass'y Control out AQV**PWA
18
Ass' y Control out a QV**PSB
19
Schematic Diagram Indoor Unit
20
Schematic Diagram Outdoor Unit
21
Disassembly and Reassembly
22
Necessary Tools
22
Indoor Unit
23
Outdoor Unit
29
Troubleshooting
38
Items to be Checked First
38
Fault Diagnosis by Symptom
39
Troubleshooting
39
Indoor Temperature Sensor Error
40
Indoor Heat Exchanger Temperature Sensor Error
41
Indoor Fan Motor Speed Detecting Error
42
Outdoor Temperature Sensor Error
43
Coil Temperature Sensor Error
44
Discharge Temperature Sensor Error
45
Discharge over Temperature Sensor Error
46
The Outdoor Unit Fan Error
47
Compressor Start Error
48
Trip Error
49
O.C. (over Current) Error
50
Comp Rotation Error
51
Current Sensor Error
52
DC-Link Voltage Sensor Error
53
OTP Error
54
AC Line Zero Cross Signal out Error
54
Operation Condition Secession Error
55
Capacity Miss Match Error
55
DC-Link Voltage Under/Over Error
56
No Power (Completely Dead) - Initial Diagnosis
57
The Outdoor Unit Power Supply Error
58
When the Up/Down Louver Motor Does Not Operate
59
When the Remote Control Is Not Receiving
60
PCB Inspection Method
61
Pre-Inspection Notices
61
Inspection Procedure
61
Indoor Detailed Inspection Procedure
61
Outdoor Detailed Inspection Procedure
62
Main Part Inspection Method
63
Alignment and Adjustments
64
Test Mode
64
How to Approach Test Mode
64
Test Mode Operation Option
64
Display Error and Check Method
65
Indoor Display Error and Check Method
65
Outdoor LED Display Error and Check Method
66
Setting Option Setup Method
68
Option Items
70
Block Diagram
71
Controller
71
Indoor PCB
73
PCB Diagram
73
Outdoor PCB
75
Wiring Diagram
77
Electrical Parts List
79
Indoor Main PCB(AQV**P*A:DB93-10859G )
79
Indoor Main PCB (AQV**PSB*:DB93-10955A )
83
Indoor Sub PCB(DB93-10861A)
89
Outdoor Main PCB AQV**P*A(DB93-10938A)
90
Outdoor Main PCB AQV**PSB*(DB93-10952A)
97
Electrical Parts List
100
Circuit Descriptions
106
PCB Circuit Descriptions
106
Refrigerating Cycle Diagram
108
Main Parts
109
Name Od each Part
109
Operating Instructions
109
Wireless Remote Control - Buttons and Display
111
During Operation
111
Reference Sheet
112
Index for Model Name
112
Low Refrigerant Pressure Distribution
113
Outdoor Temperature
113
Pressure and Capacity Mark
114
Power/Heat
114
Questions and Answers for Non-Trouble
115
Cleaning/Filter Change
118
Cleaning Your Air Conditioner
118
Cleaning Deodorizing and Bio Filter
119
Installation Procedure
120
Before Installation
120
Installation Diagram of Indoor Unit and Outdoor Unit
121
Air-Purge Procedure
121
"Pump Down" Procedure
122
Relocation of the Air Conditioner
122
Power Supply
123
Working Range
123
Multione/Monozone/Summit
123
Bigflow
124
Precautions
126
Installing the Air Conditioner
126
Power Supply and Circuit Breaker
126
During Operation
126
Disposing of the Unit
127
Others
127
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Samsung AQV09UGAN Specifications
General
Brand
Samsung
Model
AQV09UGAN
Category
Air Conditioner
Language
English
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