Gree GWC18QD-D3DNA1D User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWC18QD-D3DNA1D
GWH18QD-D3DNA1D
GWC24QE-D3DNA1D
GWH24QE-D3DNA1D
(Refrigerant:R410A)

Service Manual
Table of contents
Table of Contents
Part Ė: Technical Information....................................................................... 1
1. Summary...................................................................................................................... 1
6SHFL¿FDWLRQV.......................................................................................................... 2
6SHFL¿FDWLRQ6KHHW........................................................................................................... 2
2SHUDWLRQ&KDUDFWHULVWLF&XUYH ........................................................................................ 6
&DSDFLW\9DULDWLRQ5DWLR$FFRUGLQJWR7HPSHUDWXUH ......................................................... 6
1RLVH&XUYH...................................................................................................................... 7
&RROLQJDQG+HDWLQJ'DWD6KHHWLQ5DWHG)UHTXHQF\ ..................................................... 7
3. Outline Dimension Diagram........................................................................ 8
3.1 Indoor Unit........................................................................................................................ 8
2XWGRRU8QLW ..................................................................................................................... 9
4. Refrigerant System Diagram.................................................................... 10
5. Electrical Part..........................................................................................................11
5.1 Wiring Diagram................................................................................................................11
5.2 PCB Printed Diagram ..................................................................................................... 14
6. Function and Control...................................................................................... 17
5HPRWH&RQWUROOHU,QWURGXFWLRQ ..................................................................................... 17
%ULHI'HVFULSWLRQRI0RGHVDQG)XQFWLRQV...................................................................... 22
Part ė: Installation and Maintenance ................................................. 31
7. Notes for Installation and Maintenance.......................................... 31
8. Installation................................................................................................................ 33
8.1 Installation Dimension Diagram...................................................................................... 33
,QVWDOODWLRQ3DUWVFKHFNLQJ ............................................................................................ 35
8.3 Selection of Installation Location.................................................................................... 35
(OHFWULF&RQQHFWLRQ5HTXLUHPHQW.................................................................................. 35
8.5 Installation of Indoor Unit................................................................................................ 35
,QVWDOODWLRQRI2XWGRRU8QLW............................................................................................. 38
9DFXXP3XPSLQJDQG/HDN'HWHFWLRQ ........................................................................... 39
&KHFNDIWHU,QVWDOODWLRQDQG7HVW2SHUDWLRQ ................................................................... 39

Service Manual
Table of contents
9. Maintenance............................................................................................................40
3UHFDXWLRQVEHIRUH0DLQWHQDQFH....................................................................................40
9.2 Error Code List ...............................................................................................................41
7URXEOHVKRRWLQJIRU0DLQ0DOIXQFWLRQ ............................................................................44
7URXEOHVKRRWLQJIRU1RUPDO0DOIXQFWLRQ.........................................................................58
10. Exploded View and Parts List ..............................................................60
10.1 Indoor Unit....................................................................................................................60
2XWGRRU8QLW .................................................................................................................64
11. Removal Procedure.......................................................................................72
5HPRYDO3URFHGXUHRI,QGRRU8QLW ...............................................................................72
5HPRYDO3URFHGXUHRI2XWGRRU8QLW ............................................................................77
Appendix:........................................................................................................................88
$SSHQGL[5HIHUHQFH6KHHWRI&HOVLXVDQG)DKUHQKHLW ....................................................88
$SSHQGL[&RQ¿JXUDWLRQRI&RQQHFWLRQ3LSH.....................................................................88
Appendix 3: Pipe Expanding MHWKRG ...................................................................................89
Appendix 4: List of RHVLVWDQFHIRU7HPSHUDWXUH6HQVRU ......................................................90

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Service Manual
1. Summary
Indoor Unit:
Outdoor Unit:
Part Ė: Technical Information
GWC18QD-D3DNA1D/O
GWH18QD-D3DNA1D/O
GWC24QE-D3DNA1D/O
GWH24QE-D3DNA1D/O
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Rated Voltage V~ 208/230 208/230
5DWHG)UHTXHQF\ Hz 60 60
3KDVHV 11
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Cooling Capacity(Min~Max) %WXK 18000(7165~20001) 18000(7165~20001)
Heating Capacity(Min~Max) %WXK / 19800(7336~23498)
&RROLQJ3RZHU,QSXW0LQa0D[ W 1500(570~2600) 1500(570~2600)
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&RROLQJ3RZHU&XUUHQW A 8.65 8.65
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5DWHG,QSXW W 2600 2600
5DWHG&XUUHQW A 11.54 11.54
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EER %WXK: 12.00 12.00
COP %WXK: / 11.45
SEER 20 20
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Application Area yd227.51-40.66 27.51-40.66
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Compressor Type Rotary Rotary
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Model GWC24QE-D3DNA1D(LC) GWH24QE-D3DNA1D(LCLH)
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Cooling Capacity(Min~Max) %WXK 22000(6824~27296) 22000(6824~27296)
Heating Capacity(Min~Max) %WXK / 23000(6824~30708)
&RROLQJ3RZHU,QSXW0LQa0D[ W 1830(450~3000) 1830(450~3000)
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COP %WXK: / 11.50
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Application Area yd232.29-50.23 32.29-50.23
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Operation temp ) 60.8~86 60.8~86
Ambient temp (cooling) ) 0~115 0~115
$PELHQWWHPSKHDWLQJ ) / -4~75
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)DQ0RWRU6SHHG rpm 820 820
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6RXQG3RZHU/HYHO+0/ dB (A) 69/-/- 69/-/-
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Refrigerant R410A R410A
5HIULJHUDQW&KDUJH oz 70.6 77.6
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Pipe
/HQJWK ft 24.6 24.6
*DV$GGLWLRQDO&KDUJH oz/ft 0.2 0.5
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Service Manual
2.2 Operation Characteristic Curve
0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120110
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
24K
24K
18K 18K
Conditions
Indoor:DB
80°F /WB66.9 °F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:
24.6ft
Conditions
Indoor:DB
70°F/ WB60 °F
Outdoor:DB19.94°F/WB19.04°F
Indoor air flow:Super High
Pipe length:
24.6ft
2.3 Capacity Variation Ratio According to Temperature
Cooling
Cooling
Heating
Heating
-4 5 14
110
100
90
80
70
60
50
40
23 32 41 50
Outdoor temp.(°F)
Capacity ratio (%)
89.6 91.4 93.2 95 96.8 98.6 100.4 102.2 109.4 104 105.8 107.6
100
105
95
90
85
80
75
70
65
60
55
50
Outdoor temp.(°F)
Capacity ratio (%)
Conditions
Indoor:DB
80°F /WB66.9 °F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:
24.6ft
Conditions
Indoor:DB
70°F
Outdoor:DB19.94°F/WB19.04°F
Indoor air flow:Super High
Pipe length:
24.6ft

7
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Service Manual
2.5 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
FRQGLWLRQ)'%:% Model
3UHVVXUHRIJDVSLSH
connecting indoor and
RXWGRRUXQLW
,QOHWDQGRXWOHWSLSH
WHPSHUDWXUHRIKHDW
H[FKDQJHU )DQVSHHGRI
LQGRRUXQLW
)DQVSHHGRI
RXWGRRUXQLW
Compressor
UHYROXWLRQ
(rps)
Indoor 2XWGRRU P (MPa) 7) 7)
80/66.9 95/- 18K 0.9~1.0 in:46.4~51.8
RXWa
in:167~181.4
RXWa 6XSHU+LJK +LJK 73
80/66.9 95/- 24K 0.9~1.0 in:46.4~51.8
RXWa
in:167~181.4
RXWa 6XSHU+LJK +LJK 75
5DWHGKHDWLQJ
FRQGLWLRQ)'%:% Model
3UHVVXUHRIJDVSLSH
connecting indoor and
RXWGRRUXQLW
,QOHWDQGRXWOHWSLSH
WHPSHUDWXUHRIKHDW
H[FKDQJHU )DQVSHHGRI
LQGRRUXQLW
)DQVSHHGRI
RXWGRRUXQLW
Compressor
UHYROXWLRQ
(rps)
Indoor 2XWGRRU P (MPa) 7) 7)
70/60 19.94/19.04 18K 3.5~3.8 in:167~181.4
RXWa
in:33.8~37.4
RXWa 6XSHU+LJK +LJK 75
70/60 19.94/19.04 24K 3.5~3.8 in:167~181.4
RXWa
in:33.8~37.4
RXWa 6XSHU+LJK +LJK 80
Instruction:
7,QOHWDQGRXWOHWSLSHWHPSHUDWXUHRIHYDSRUDWRU
7,QOHWDQGRXWOHWSLSHWHPSHUDWXUHRIFRQGHQVHU
33UHVVXUHDWWKHVLGHRIELJYDOYH
&RQQHFWLRQSLSHOHQJWKIW
Cooling:
Heating:
2.4 Noise Curve
24K
18K
20
30
40
50
LM H SH
Indoor fan motor rating speed
Noise/dB(A)
46
48
50
52
54
56
58
60
20 30 40 50 60 70 80 90 100
Compressor frequency(Hz)
Noise dB(A)
Heating
Cooling
Indoor side noise Outdoor side noise