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Gree GWC User Manual
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21
T
echnical Information
Service Manual
4. Refrigerant System Diagram
In
do
or
un
it
Ou
td
oo
r
un
it
In
do
or
un
it
Ou
td
oo
r
un
it
COOLING
HEATING
Accumlator
4-Way valve
COOLING
Discharge
Suction
Discharge
Suction
He
at
ex
change
r
(e
vapora
to
r)
He
at
ex
change
r
(e
vapora
to
r)
He
at
ex
chang
er
(condenser)
He
at
ex
chang
er
(condenser)
Valve
Valve
Valve
Valve
Li
qu
id
pi
pe
si
de
Gas
pi
pe
si
de
Li
qu
id
pi
pe
si
de
Gas
pi
pe
si
de
Co
mpre
sso
r
Accumlator
Co
mp
re
sso
r
St
ra
in
er
St
ra
in
er
Ca
pi
ll
ar
y
St
ra
in
er
Ca
pi
ll
ar
y
In
do
or
un
it
Ou
td
oo
r
un
it
Accumlator
COOLING
Discharge
Suction
He
at
exc
hang
er
(e
vapora
to
r)
He
at
exc
hange
r
(condenser)
Valve
Valve
Li
qu
id
pi
pe
si
de
Gas
pi
pe
si
de
Co
mpre
sso
r
St
ra
in
er
Ca
pi
ll
ar
y
Electron
expansion
valve
In
do
or
un
it
Ou
tdoo
r un
it
COOLING
HEATING
4-Way valve
Discharge
Suction
He
at
ex
change
r
(e
vapor
at
or
)
He
at
exc
hange
r
(condenser)
Valve
Valve
Li
qu
id
pi
pe
si
de
Gas
pi
pe
si
de
St
ra
in
er
Electron
expansion
valve
St
ra
in
er
Accumlator
Co
mp
re
ss
or
Connection pipe specication:
Liquid pipe:1/4"
Gas pipe:5/8"(24K)
Connection pipe specication:
Liquid pipe:1/4"
Gas pipe:3/8" 09/12K
Gas pipe:1/2" 18K
Gas pipe:5/8"(24K)
Cooling models
Cooling and Heating models
09/12/18/24K
24K
23
25
Table of Contents
Table of Contents
2
Part I : Technical Information
4
Summary
4
Specifications
6
Specification Sheet
6
Capacity Variation Ratio According to Temperature
18
Cooling and Heating Data Sheet in Rated Frequency
19
Outline Dimension Diagram
21
Indoor Unit
21
Outdoor Unit
22
Refrigerant System Diagram
24
Electrical Part
26
Wiring Diagram
26
PCB Printed Diagram
30
Function and Control
36
Remote Controller Introduction
36
GREE+ App Operation Manual
41
Ewpe Smart App Operation Manual
42
Brief Description of Modes and Functions
43
Part II : Installation and Maintenance
51
Notes for Installation and Maintenance
51
Installation
54
Installation Dimension Diagram
54
Installation Parts-Checking
56
Selection of Installation Location
56
Electric Connection Requirement
56
Installation of Indoor Unit
56
Installation of Outdoor Unit
58
Vacuum Pumping and Leak Detection
60
Check after Installation and Test Operation
60
Maintenance
61
Error Code List
61
Procedure of Troubleshooting
67
Troubleshooting for Normal Malfunction
84
Exploded View and Parts List
86
Indoor Unit
86
Outdoor Unit
92
Removal Procedure
98
Removal Procedure of Indoor Unit
98
Removal Procedure of Outdoor Unit
103
Appendix
116
Appendix 1: Reference Sheet of Celsius and Fahrenheit
116
Appendix 2: Configuration of Connection Pipe
116
Appendix 3: Pipe Expanding Method
117
Appendix 4: List of Resistance for Temperature Sensor
118
4
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Gree GWC Specifications
General
Brand
Gree
Model
GWC
Category
Air Conditioner
Language
English
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