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AHU3-SG3 Series
ComfortStar AHU3-SG3 Series Manuals
Manuals and User Guides for ComfortStar AHU3-SG3 Series. We have
1
ComfortStar AHU3-SG3 Series manual available for free PDF download: Service Manual
ComfortStar AHU3-SG3 Series Service Manual (114 pages)
Brand:
ComfortStar
| Category:
Air Conditioner
| Size: 22 MB
Table of Contents
Safety Precautions
5
Detection of Flammable Refrigerants
9
Removal and Evacuation
10
Charging Procedures
10
Model Reference
13
External Appearance
14
Indoor Unit
14
Table of Contents
15
Feature
16
Dimensional Drawings
17
Part Names and Functions
18
Horizontal Right
18
Horizontal Left
18
Service Place
19
Accessories
20
Fan Performance
21
Noise Criterion Curves
32
Refrigerant System Diagram
35
Electrical Characteristics
36
Electrical Wiring Diagrams
36
Installation
46
Location Selection
47
Indoor Unit Installation
47
Installation Place
47
Install the Main Body
48
Connecting the Wire and Pipes
48
Refrigerant Pipe Installation
53
Engineering of Insulation
55
Installation of Electric Auxiliary Heat Module(Only for Heat Function Models)
56
Preparations for Installation
56
Humidifier Control
59
Product Features
62
Signal Chart
63
Safety Features
64
Basic Functions
64
Abbreviation
64
Fan Mode
64
Cooling Mode
64
Heating Mode(Heat Pump Units)
65
Auto Mode
65
Drying Mode
65
Forced Operation Function
66
Timer Function
66
Sleep Function
66
Auto-Restart Function
66
Troubleshooting
68
Safety Caution
69
General Troubleshooting
70
Error Display (Indoor Unit)
70
Error Display on Two Way Communication Wired Controller
71
Engineering Mode
72
Information Inquiry
72
Advanced Function Setting
75
Error Diagnosis and Troubleshooting Without Error Code
78
Remote Maintenance
78
Field Maintenance
79
Quick Maintenance by Error Code
84
Troubleshooting by Error Code
85
EH 00/ EH 0A / EC 51 (EEPROM Malfunction Error Diagnosis and Solution)
85
EL 01 (Indoor and Outdoor Unit Communication Error Diagnosis and Solution)
86
EH 03 / EC 07 (Fan Speed Is Operating Outside of Normal Range Diagnosis and Solution)
87
Troubleshooting and Repair
87
EH 60/EH 61/EH 62/EH 66/EH 65/EC 53/EC 52/EC 54/EC 56 (Open Circuit or Short Circuit of Temperature Sensor Diagnosis and Solution)
89
EL 0C (System Lacks Refrigerant Diagnosis and Solution)
90
EH 0E(Water-Level Alarm Malfunction Diagnosis and Solution)
91
PC 00(ODU IPM Module Protection Diagnosis and Solution)
92
PC 01(ODU Voltage Protection Diagnosis and Solution)
93
PC 04(Inverter Compressor Drive Error Diagnosis and Solution)
94
PC 03(Pressure Protection(Low or High Pressure) Diagnosis and Solution)
95
PC 02(Compressor Top (or IPM) Temp. Protection Diagnosis and Solution)
98
PC 0L (Low Ambient Temperature Protection)
99
EH B3 (Communication Malfunction between Wire and Master Control) Diagnosis and Solution
100
EH Ba(Communication Malfunction between Indoor Unit and External Fan Module)/Eh
101
FH CC(Refrigerant Sensor Error) or EH C3(Refrigerant Sensor Is out of Range) Diagnosis and Solution
102
EH C1(Refrigerant Sensor Detects Leakage) or EH C2(Refrigerant Sensor Is out of Range and Leakage Is Detected) Diagnosis and Solution
103
EC 0D(ODU Malfunction Diagnosis and Solution)
104
EH 0B(IDU Main Control Board and Display Board Communication Error Diagnosis and Solution)
105
EL 16(Communication Malfunction between Adapter Board and Outdoor Main Board Diagnosis and Solution)
106
FL 09(Mismatch between the New and Old Platforms Diagnosis and Solution)
106
Check Procedures
107
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