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GWC09AA
Gree GWC09AA User Manual
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GREE Service
Manual GWC
09AA / K5NNA
6A
Page 51
Flow of
Work for
AC– System Installat
ion, Ser
vice, Repair
and Dismantli
ng
The
m
ain
concern
f
or
involv
ed
service
personal
is
to
avoid
the
r
elease
of
any
refrigerant
during
in-
stallation, maintenance
, repair and servi
ce of the HC
R-290 air-conditioning system
.
The
following
chart
shall
highlight
important
work
flow
activities
and
where
specific
care
should take place!
50
52
Table of Contents
Table of Contents
3
Table of Content
3
Abbreviations Used with this Manual
5
Introduction
6
General Safety Instructions
7
The Symbols Used in this Manual
7
Electrical Operations
9
Installation Site
9
Minimum Room Size
10
Minimum Requirements for Service Personnel Qualifica- Tion
11
Basics in RAC
11
Checks for Putting in Operation
12
Checks for Leakage
12
Handling of Refrigerant
12
Installation, Commissioning and Maintenance of a Compressor
12
Installation, Commissioning and Maintenance of a Con- Denser
13
Installation, Commissioning and Maintenance of an Evapora- Tor
13
Piping
13
Description of the System and Its Components
14
General Technical Specifications
14
Indoor Unit
15
Outdoor Unit
16
Refrigerant Transfer Pipe-Set
17
Capacity Variation Ratio According to Temperature (Diagram)
18
Operation Data
18
Construction Views > Indoor Unit
19
Construction Views > Outdoor Unit
20
Refrigerant Flow Diagram
21
Schematic Diagram > Electrical Wiring Indoor Unit
22
Schematic Diagram > Electrical Wiring Outdoor Unit
23
Printed Circuit Board (PCB)
24
Relay Box
26
Remote Controller > Functional Description
27
Functional Specifications for AC System Operation
31
Cooling Mode
31
Dry Mode
32
System Protective Functions
33
Fan and Auto- Mode
34
Other Adjustments and Functions of the Remote Controller
35
Hydrocarbon Refrigerant R290 Issues
38
Refrigerant Properties / Parameters
38
Flammability
39
Hazard Identification
39
First Aid Measures
40
Fire Fighting Measures
41
Accidental Release Measures
41
The Handling of HC R290
42
Refrigerant Recovery
43
Repair of Leaks
44
Refrigerant Gas Detection
45
Refrigerant Cylinder Handling
46
Refrigerant Pressure- Temperature Chart
48
Flow of Work for AC System Installation, Service, Repair and Dismantling
51
AC System Installation
52
Delivery Conditions of Indoor & Outdoor Unit
52
Important Notes
52
Principle Installation Arrangement
53
Tools, Equipment and Accessories
54
Security Advise for Installation
55
Table of Various Installation Height and Resulting Room Size
56
The Installation Site > General Information
56
Installation Site > Outdoor Unit
57
Installation Site > Indoor Unit
57
Installation Dimension Diagram
58
Installation Check-List
59
Safety Measures for Electrical Equipment
60
Requirements for Earthing
60
Miscellaneous
60
Installation Procedure > Indoor Unit
61
Installation of Connection Pipes and Cables
62
Installation of the Outdoor Unit
65
Interconnection of In- and Outdoor Unit
66
The Quick-Coupler Valves
67
Commissioning of the AC System
68
Checks before Commissioning
68
Refrigerant Circuit Commissioning
68
First Operation of the System
68
Indoor Unit
68
Outdoor Unit
69
Handing over the System to Your Client
69
Start-Up Data Sheet Form
70
Service, Repair and Maintenance
71
Directives for Service and Maintenance
71
Regular Annual Preventive Maintenance
72
Maintenance of the Indoor Unit
72
Maintenance of the Outdoor Unit
72
Refrigerant Circuit
72
Maintenance Check-List
73
Safety Work Area & Temporary Flammable Zones
74
Arrangement of Equipment and Tools
75
Refrigerant Venting
76
Venting > Course of Activities > Part 1
77
Venting > Part 1 > Detailed Procedure
78
Venting > Course of Activities > Part 2
79
Venting > Part 2 > Detailed Procedure
80
In the Field
81
Flushing the System with OFDN (N 2 )
83
Flushing the System and Provision of "Holding Charge" with
84
OFDN > Detailed Procedure
84
Provision of a Hermetically Sealed Refrigerant Circuit
85
Leak, Strength and Tightness Testing
85
Leak Check (Bubble Test)
87
Electronic Gas Detectors
88
Leak Testing with OFDN & Weak Soapy Water Solution
89
Leak Testing with OFDN and "Bubbles" > Detailed Proce- Dure
90
Trace Gas (N 2 /H 2 ) Leak Detection Method
91
Trace Gas Leak Detection > Detailed Procedure
93
Pressure Test (Strength Test) with OFDN
94
Pressure Test (Strength Test) > Detailed Procedure
95
Refrigerant Circuit-Evacuation and Charging
96
Evacuation > Detailed Procedure
99
Charging with Refrigerant
100
Charging with Refrigerant > Detailed Description
101
Start-Up Data Sheet Form for Service and Repair
102
Service Label
103
Dismantling, Recycling and Disposal
104
Error Codes, LED Flashing and Trouble Shooting
105
Temperature Sensor Trouble Shooting
106
PG Motor (H6) Trouble Shooting
107
Jumper Cap (C5) Trouble Shooting
108
Freeze Protection (E2) Trouble Shooting
109
Low Pressure (E3) Trouble Shooting
110
PCB Board (U8) Trouble Shooting
111
Resistance Table for Temperature Sensors
112
Main Spare-Parts List
115
Disassembling Procedures
116
Disassembling the Indoor Unit
116
Disassembling the Outdoor Unit
121
Exploded Views and Part Lists
126
Exploded View of the Indoor Unit
126
Part List of the Indoor Unit
127
Exploded View of the Outdoor Unit
128
Part List of the Outdoor Unit
129
Recommended Equipment and Tools for the Use with HC Refrigerants
130
5
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Gree GWC09AA Specifications
General
Brand
Gree
Model
GWC09AA
Category
Air Conditioner
Language
English
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