Lennox LI009HI-230P432 User manual

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Service Manual
Models: LI009HI-230P432/LI009HO-230P432
LI012HI-230P432/LI012HO-230P432
LI018HI-230P432/LI018HO-230P432
LI024HI-230P432/LI024HO-230P432
LI036HI-180P432/LI036HO-180P432
(Refrigerant:R410A)

Service Manual
Table of Contents
Part Ⅰ: Technical Information.........................................................................1
1. Summary........................................................................................................................1
2. Specications............................................................................................................2
2.1 Specication Sheet.............................................................................................................2
2.2 Operation Characteristic Curve .......................................................................................... 8
2.3 Capacity Variation Ratio According to Temperature ........................................................... 9
2.4 Cooling and Heating Data Sheet in Rated Frequency ..................................................... 10
2.5 Noise Curve......................................................................................................................10
3. Outline Dimension Diagram........................................................................12
3.1 Indoor Unit........................................................................................................................ 12
3.2 Outdoor Unit ..................................................................................................................... 13
4. Refrigerant System Diagram......................................................................15
5. Electrical Part...........................................................................................................16
5.1 Wiring Diagram.................................................................................................................16
5.2 PCB Printed Diagram ....................................................................................................... 21
6. Function and Control........................................................................................29
6.1 Remote Controller Introduction ....................................................................................... 29
6.2 Brief Description of Modes and Functions........................................................................33
Part Ⅱ: Installation and Maintenance ................................................... 45
7. Notes for Installation and Maintenance............................................ 45
8. Installation..................................................................................................................47
8.1 Installation Dimension Diagram........................................................................................47
8.2 Installation Parts-checking .............................................................................................. 49
8.3 Selection of Installation Location...................................................................................... 49
8.4 Electric Connection Requirement .................................................................................... 49
8.5 Installation of Indoor Unit..................................................................................................49
8.6 Installation of Outdoor Unit............................................................................................... 52
8.7 Vacuum Pumping and Leak Detection .............................................................................53
8.8 Check after Installation and Test Operation ..................................................................... 53
Table of Contents

Service Manual
9. Maintenance.................................................................................................................. 54
9.1 Error Code List ..................................................................................................................... 54
9.2 Troubleshooting for Main Malfunction .................................................................................. 68
9.3 Troubleshooting for Normal Malfunction............................................................................... 96
10. Exploded View and Parts List .................................................................... 98
10.1 Indoor Unit.......................................................................................................................... 98
10.2 Outdoor Unit ..................................................................................................................... 106
11. Removal Procedure............................................................................................114
11.1 Removal Procedure of Indoor Unit ....................................................................................114
11.2 Removal Procedure of Outdoor Unit ................................................................................ 133
Appendix:............................................................................................................................ 148
Appendix 1: Reference Sheet of Celsius and Fahrenheit ........................................................ 148
Appendix 2: Conguration of Connection Pipe......................................................................... 148
Appendix 3: Pipe Expanding Method ....................................................................................... 149
Appendix 4: List of Resistance for Temperature Sensor .......................................................... 150
Table of Contents

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
LI009HI-230P432 LI012HI-230P432
LI018HI-230P432 LI024HI-230P432 LI036HI-180P432
Outdoor Unit
LI009HO-230P432
LI012HO-230P432
Remote Controller
YAA1FB
/
F
C
HOUR
ONOFF
LI018HO-230P432
LI024HO-230P432
LI036HO-180P432

2Technical Information
Service Manual
Model LI009HI-230P432/LI009HO-230P432 LI012HI-230P432/LI012HO-230P432
Product Code Y6752/Y6753 Y6754/Y6755
Power Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) Btu/h 9000(3100~9600) 12000(3100~13000)
Heating Capacity(Min~Max) Btu/h 11000(1911~12000) 13000(2400~14000)
Cooling Power Input(Min~Max) W 630(160~1300) 960(200~1350)
Heating Power Input(Min~Max) W 1020(160~1350) 1100(400~1400)
Cooling Power Current A 2.80 4.50
Heating Power Current A 3.50 5.50
Rated Input W 1350 1400
Rated Current A 6.0 6.3
Air Flow Volume(SH/H//M/L) CFM 377/288/241/171 400/288/241/171
Dehumidifying Volume Pint/h 1.69 2.96
EER (Btu/h)/W 14.29 13.00
COP (Btu/h)/W 10.78 11.82
SEER 23.00 22.00
HSPF 10.50 10.10
Application Area yd214.35-21.53 19.14-28.70
Indoor Unit
Model of indoor unit LI009HI-230P432 LI012HI-230P432
Indoor Unit Product Code Y6752 Y6754
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) inch Φ3 55/64X25 Φ3 55/64X25
Fan Motor Cooling Speed(SH/H/M/L) r/min 1350/1200/1050/750 1400/1200/1050/800
Fan Motor Heating Speed(SH/H/M/L) r/min 1300/1150/1000/900 1400/1200/1000/900
Output of Fan Motor W 20 20
Fan Motor RLA A 0.09 0.09
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ 2/7 Φ2/7
Row-n Gap inch 2-1/18 2-1/18
Coil Length (LXDXW) inch 25X7/8X12 1/16 25X7/8X12 1/16
Swing Motor Model MP24BA MP24BA
Output of Swing Motor W 1.5 1.5
Fuse A 3.15 3.15
Sound Pressure Level(SH/H/M/L) dB (A) 43/39/35/29 45/39/35/29
Sound Power Level(SH/H/M/L) dB (A) 53/49/45/39 55/49/45/39
Dimension (WXHXD) inch 33 1/4X11 3/8X8 7/32 33 1/4X11 3/8X8 7/32
Dimension of Carton Box (LXWXH) inch 36 9/64X11X14 21/64 36 9/64X11X14 21/64
Dimension of Package (LXWXH) inch 36 1/4X11X15 36 1/4X11X15
Net Weight Ib 22.1 22.1
Gross Weight Ib 26.5 26.5
2. Specications
2.1 Specication Sheet

3
Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit LI009HO-230P432 LI012HO-230P432
Outdoor Unit Product Code Y6753 Y6755
Compressor Manufacturer/Trademark ZHUHAI GREE DAIKIN DEVICE
CO.,LTD
ZHUHAI GREE DAIKIN DEVICE
CO.,LTD
Compressor Model 1GDY23AXD 1GDY23AXD
Compressor Oil DAPHNE FVC50K DAPHNE FVC50K
Compressor Type Swing Swing
Compressor Locked Rotor Amp (L.R.A) A / /
Compressor RLA A 6.6 6.6
Compressor Power Input W 845 845
Overload Protector KSD115OC or HPC115/95 KSD115OC or HPC115/95
Throttling Method Electron expansion valve Electron expansion valve
Operation temp ºF 61~86 61~86
Ambient temp (cooling) ºF 0~115 0~115
Ambient temp (heating) ºF -4~75 -4~75
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ3/8 Φ3/8
Rows-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 29 13/32 X1 3/4X20 29 13/32X1 3/4X22
Fan Motor Speed rpm 900 900
Output of Fan Motor W 30 30
Fan Motor RLA A / /
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit CFM 1059 1177
Fan Type Axial-ow Axial-ow
Fan Diameter inch Φ15 3/4 Φ15 3/4
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
Permissible Excessive Operating
Pressure for the Discharge Side MPa 4.3 4.3
Permissible Excessive Operating
Pressure for the Suction Side MPa 2.5 2.5
Sound Pressure Level (H/M/L) dB (A) 53/-/- 54/-/-
Sound Power Level (H/M/L) dB (A) 63/-/- 64/-/-
Dimension (WXHXD) inch 33 13/32X21 1/4X12 19/32 33 13/32X21 1/4X12 19/32
Dimension of Carton Box (LXWXH) inch 34 37/64X14 1/6X22 5/6 34 37/64X14 1/6X22 5/6
Dimension of Package (LXWXH) inch 34 43/64X14 9/32X23 27/64 34 43/64X14 9/32X23 27/64
Net Weight Ib 78.3 86.0
Gross Weight Ib 83.8 92.6
Refrigerant R410A R410A
Refrigerant Charge oz 45.86 47.62
Connection
Pipe
Length ft 24.6 24.6
Gas Additional Charge oz/ft 0.2 0.2
Outer Diameter Liquid Pipe inch Φ1/4 Φ1/4
Outer Diameter Gas Pipe inch Φ3/8 Φ1/2
Max Distance Height ft 32.8 32.8
Max Distance Length ft 49.2 65.6
Note:The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

4Technical Information
Service Manual
Model LI018HI-230P432/LI018HO-230P432 LI036HI-180P432/LI036HO-180P432
Product Code Y6756/Y6757 Y6685/Y6686
Power Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) Btu/h 18000(6800~20000) 33600(7404~35997)
Heating Capacity(Min~Max) Btu/h 19800(7340~23500) 34600(14979~35997)
Cooling Power Input(Min~Max) W 1435(450~2150) 4100(450~4300)
Heating Power Input(Min~Max) W 1730(580~2600) 3800(460~4300)
Cooling Power Current A 6.37 17
Heating Power Current A 7.68 16.5
Rated Input W 3000 4300
Rated Current A 10.39 20
Air Flow Volume(SH/H/M/L) CFM 559/488/412/335 736/647/530/412
Dehumidifying Volume Pint/h 1.8 7.4
EER (Btu/h)/W 12.50 8.20
COP (Btu/h)/W 11.45 9.11
SEER 20 18.00
HSPF 10 9.00
Application Area yd227.51-40.66 55.01-83.72
Indoor Unit
Model of indoor unit LI018HI-230P432 LI036HI-180P432
Indoor Unit Product Code Y6756 Y6685
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) inch Φ4 1/6X27 13/16 Φ4 1/4X20 9/16X2
Fan Motor Cooling Speed(SH/H/M/L) r/min 1400/1200/1050/800 1400/1250/1000/800
Fan Motor Heating Speed(SH/H/M/L) r/min 1400/1200/1100/900 1400/1250/1050/850
Output of Fan Motor W 60 70
Fan Motor RLA A 0.24 0.4
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ9/32 Φ9/32
Row-n Gap inch 2-1/18 2-1/16
Coil Length (LXDXW) inch 28 9/64X1X12 42 9/32X1X15X2
Swing Motor Model MP35CJ MP24BA
Output of Swing Motor W 2.5 1.5
Fuse A 3.15 3.15
Sound Pressure Level(SH/H/M/L) dB (A) 47/43/40/39 54/49/44/37
Sound Power Level(SH/H/M/L) dB (A) 57/53/50/49 64/59/54/47
Dimension (WXHXD) inch 38 13/64X11 13/16X8 5/6 53 9/64X12 53/64X10
Dimension of Carton Box (LXWXH) inch 40 55/64X15X12 56 19/32X16 1/2X13 1/2
Dimension of Package (LXWXH) inch 41X15X12 39/64 56 3/4X16 9/16X14
Net Weight Ib 27.6 41.9
Gross Weight Ib 34.2 51.8

5
Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit LI018HO-230P432 LI036HO-180P432
Outdoor Unit Product Code Y6757 Y6686
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR
CO,LTD.
MITSUBISHI ELECTRIC
(GUANGZHOU)COMPRESSOR
CO. LTD
Compressor Model QXA-B141zF030A TNB306FPGMC
Compressor Oil RB68EP FV50S
Compressor Type Rotary Rotary
Compressor Locked Rotor Amp (L.R.A) A 25 67.00
Compressor RLA A 12.08 13.50
Compressor Power Input W 1440 3010
Overload Protector 1NT11L-6233 or KSD115OC or
HPC115/95U1 CS01F272H01
Throttling Method Electron expansion valve Electron expansion valve
Operation temp ºF 61~86 61~86
Ambient temp (cooling) ºF 0~115 0~109
Ambient temp (heating) ºF -4~75 -4~75
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ9/32 Φ5/16
Rows-n Gap inch 3-1/18 2-1/16
Coil Length (LXDXW) inch 36 13/16X1 1/2X25 63/64 37X1 3/4X30
Fan Motor Speed rpm 800 890
Output of Fan Motor W 60 170
Fan Motor RLA A 0.49 0.89
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit CFM 3200 2589
Fan Type Axial-ow Axial-ow
Fan Diameter inch Φ20 15/32 Φ21 21/32
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
Permissible Excessive Operating
Pressure for the Discharge Side MPa 4.3 550
Permissible Excessive Operating
Pressure for the Suction Side MPa 2.5 240
Sound Pressure Level (H/M/L) dB (A) 55/-/- 65/-/-
Sound Power Level (H/M/L) dB (A) 65/-/- 75/-/-
Dimension (WXHXD) inch 38X27 9/16X15 19/32 39 1/2X31 7/64X16 13/16
Dimension of Carton Box (LXWXH) inch 40 25/64X17 29/32X28 15/16 42 1/2X19X33
Dimension of Package (LXWXH) inch 40 33/64X18 5/16X29 33/64 42 21/32X19 13/64X33 21/32
Net Weight Ib 105.8 161.0
Gross Weight Ib 115.8 172.0
Refrigerant R410A R410A
Refrigerant Charge oz 56.44 91.71
Connection
Pipe
Length ft 24.6 24 39/64
Gas Additional Charge oz/ft 0.2 0.5
Outer Diameter Liquid Pipe inch Φ1/4 Φ1/4
Outer Diameter Gas Pipe inch Φ5/8 Φ5/8
Max Distance Height ft 32.8 32 3/16
Max Distance Length ft 82 98 27/64
Note:The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

6Technical Information
Service Manual
Model LI024HI-230P432/LI024HO-230P432
Product Code Y6758/Y6759
Power Supply
Rated Voltage V~ 208/230
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) Btu/h 22000(6824~27296)
Heating Capacity(Min~Max) Btu/h 23000(6824~30708)
Cooling Power Input(Min~Max) W 1830(450~3000)
Heating Power Input(Min~Max) W 2000(450~3000)
Cooling Power Current A 8.05
Heating Power Current A 8.35
Rated Input W 3000
Rated Current A 14.49
Air Flow Volume(SH/H//M/L) CFM 706/647/589/530
Dehumidifying Volume Pint/h 4.23
EER (Btu/h)/W 12.02
COP (Btu/h)/W 11.50
SEER 20
HSPF 9
Application Area yd232.29-50.23
Indoor Unit
Model of indoor unit LI024HI-230P432
Indoor Unit Product Code Y6758
Fan Type Cross-ow
Diameter Length(DXL) inch Φ4 1/4X32 7/10
Fan Motor Cooling Speed(SH/H/M/L) r/min 1300/1100/900/850
Fan Motor Heating Speed(SH/H/M/L) r/min 1300/1100/1000/900
Output of Fan Motor W 60
Fan Motor RLA A 0.38
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter inch Φ9/32
Row-n Gap inch 2-1/16
Coil Length (LXDXW) inch 33 1/4X1X13 1/2
Swing Motor Model MP35CJ
Output of Swing Motor W 2.5
Fuse A 3.15
Sound Pressure Level(SH/H/M/L) dB (A) 48/44/40/36
Sound Power Level(SH/H/M/L) dB (A) 58/54/50/46
Dimension (WXHXD) inch 42 7/16X12 51/64X9 11/16
Dimension of Carton Box (LXWXH) inch 45 5/64X16 9/64X13 3/16
Dimension of Package (LXWXH) inch 45 13/64X16 17/64X13 25/32
Net Weight Ib 34.2
Gross Weight Ib 41.9

7
Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit LI024HO-230P432
Outdoor Unit Product Code Y6759
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO,LTD.
Compressor Model QXAS-D23zX090A
Compressor Oil RB68EP
Compressor Type Rotary
Compressor Locked Rotor Amp (L.R.A) A 25
Compressor RLA A 14.67
Compressor Power Input W 2550
Overload Protector 1NT11L-6233/HPC 115/95 /KSD115OC
Throttling Method Electron expansion valve
Operation temp ºF 61~86
Ambient temp (cooling) ºF 0~115
Ambient temp (heating) ºF -4~75
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter inch Φ9/32
Rows-n Gap inch 2-1/18
Coil Length (LXDXW) inch 37 31/64X1 1/2X19/32
Fan Motor Speed rpm 820
Output of Fan Motor W 92
Fan Motor RLA A 0.65
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit CFM 2354
Fan Type Axial-ow
Fan Diameter inch Φ21 21/32
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
Permissible Excessive Operating
Pressure for the Discharge Side MPa 4.3
Permissible Excessive Operating
Pressure for the Suction Side MPa 2.5
Sound Pressure Level (H/M/L) dB (A) 59/-/-
Sound Power Level (H/M/L) dB (A) 69/-/-
Dimension (WXHXD) inch 38 37/64X31 7/64X16 13/16
Dimension of Carton Box (LXWXH) inch 42 33/64X19X33
Dimension of Package (LXWXH) inch 42 41/64X19 7/32X33 21/32
Net Weight Ib 142.2
Gross Weight Ib 153.2
Refrigerant R410A
Refrigerant Charge oz 77.6
Connection
Pipe
Length ft 24.6
Gas Additional Charge oz/ft 0.5
Outer Diameter Liquid Pipe inch Φ1/4
Outer Diameter Gas Pipe inch Φ5/8
Max Distance Height ft 32.8
Max Distance Length ft 82
Note:The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

8Technical Information
Service Manual
0
09070605040302010 1
10
210010908070605040302010
80
11
10
9
8
7
6
5
4
3
2
1
0
11
10
9
8
7
6
5
4
3
2
1
0
• Conditions
Indoor : DB80˚F/WB66.9˚F
Outdoor: DB95˚F
Indoor air flow : High
220V
230V
240V
220V
230V
240V
Current (A)
Current (A)
Compressor frequency(Hz) Compressor frequency(Hz)
89 91 93 95 97 99 100 102 109.45 14 23 32104 106 108
100
105
95
90
85
80
75
70
65
60
55
50
Outdoor temp. (˚F)
110
100
90
80
70
60
50
40
Outdoor temp. (˚F)
Capacity ratio (%) Capacity ratio (%)
Pipe lengt : 24.6ft
41 44.6 50
• Conditions
Indoor : DB70˚F/WB60˚F
Outdoor : DB19.94˚F/WB19.04˚F
Indoor air flow : High
Pipe lengt : 24.6ft
• Conditions
Indoor : DB70˚F/WB60˚
Outdoor : DB19.94˚F/WB19.04˚F
Indoor air flow : High
Pipe lengt : 24.6ft
• Conditions
Indoor : DB80˚F/WB66.9˚F
Outdoor: DB95˚F
Indoor air flow : High
Pipe lengt : 24.6ft
2.2 Operation Characteristic Curve
Cooling
09/12K
18/24K
36K
Heating
01020304050607090010 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
CoolingHeating
24K
24K
18K
18K
Conditions
Indoor:DB80°F/WB66.9°F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:24.6ft
Conditions
Indoor:DB70°F/WB60°F
Outdoor:DB19.94°F/WB19.04°F
Indoor air flow:Super High
Pipe length:24.6ft
Cooling Heating
Cooling
Heating
24K
0
2
4
6
8
10
12
14
020406080100 120
0
2
4
6
8
10
12
14
020406080 100
120
Condition
Indoor:DB 80°F
WB66 °F
Indoor air flow: Super High
Pipe length:24 39/64ft
Condition
Indoor:DB 70°F
Indoor air flow: Super High
Pipe length:24 39/64ft
Compressor Frequency(Hz) Compressor Frequency(Hz)
Current(A)
Current(A)

9
Technical Information
Service Manual
0
09070605040302010 110210010908070605040302010
80
11
10
9
8
7
6
5
4
3
2
1
0
11
10
9
8
7
6
5
4
3
2
1
0
• Conditions
Indoor : DB80˚F/WB66.9˚F
Outdoor: DB95˚F
Indoor air flow : High
220V
230V
240V
220V
230V
240V
Current (A) Current (A)
Compressor frequency(Hz) Compressor frequency(Hz)
89 91 93 95 97 99 100 102 109.45 14 23 32104 106 108
100
105
95
90
85
80
75
70
65
60
55
50
Outdoor temp. (˚F)
110
100
90
80
70
60
50
40
Outdoor temp. (˚F)
Capacity ratio (%)
Capacity ratio (%)
Pipe lengt : 24.6ft
41 44.6
50
• Conditions
Indoor : DB70˚F/WB60˚F
Outdoor : DB19.94˚F/WB19.04˚F
Indoor air flow : High
Pipe lengt : 24.6ft
• Conditions
Indoor : DB70˚F/WB60˚
Outdoor : DB19.94˚F/WB19.04˚F
Indoor air flow : High
Pipe lengt : 24.6ft
• Conditions
Indoor : DB80˚F/WB66.9˚F
Outdoor: DB95˚F
Indoor air flow : High
Pipe lengt : 24.6ft
2.3 Capacity Variation Ratio According to Temperature
09/12K
18/24K
36K
Cooling Heating
Cooling Heating
-4 514
110
100
90
80
70
60
50
40
23 32 41 50
Outdoor temp.(°F)
Capacity ratio (%)
89.6 91.4 93.295 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
Cooling Heating
90 95 100 105 110
100
105
95
90
85
80
75
70
65
60
55
50
Outdoor temp. (˚F
)O
utdoor temp. (˚F)
Capacity ratio (%)
Capacity ratio (%)
Conditions
Indoor:
Pipe length :
24 39/64ft
DB 80°F
WB66
°F
Indoor air flow: Super High
-4 514
110
100
90
80
70
60
50
40
23 32 41 50
Conditions
Indoor:DB
70°F
Indoor air flow:Super High
Pipe length:
24 39/64ft

10 Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
Cooling:
Heating:
Rated cooling
condition(°F) (DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
revolution
(rps)
Indoor Outdoor P (PSIG) T1 (°F) T2 (°F)
80/66.9 95/-
09K 130~145 in:46.4~51.8
out:51.8~57.2
in:167~181.4
out:98.6~118.4 Super High High 52
12K 130~145 in:46.4~51.8
out:51.8~57.2
in:167~181.4
out:98.6~118.4 Super High High 72
18K 130~145 in:46.4~51.8
out:51.8~57.2
in:167~181.4
out:98.6~118.4 Super High High 73
36K 130~145 in:46.4~51.8
out:51.8~57.2
in:167~181.4
out:98.6~118.4 Super High High 60
Rated heating
condition(°F) (DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
revolution
(rps)
Indoor Outdoor P (PSIG) T1 (°F) T2 (°F)
70/60 19.94/19.04
09K 362~406 in:167~181.4
out:98.6~113
in:33.8~37.4
out:35.6~42.8 Super High High 65
12K 362~406 in:167~181.4
out:98.6~113
in:33.8~37.4
out:35.6~42.8 Super High High 77
18K 507~551 in:167~181.4
out:98.6~113
in:33.8~37.4
out:35.6~42.8 Super High High 75
36K 507~550 in:167~181.4
out:98.6~113
in:33.8~37.4
out:35.6~42.8 Super High High 58
Instruction:
T1: Inlet and outlet pipe temperature of evaporator
T2: Inlet and outlet pipe temperature of condenser
P: Pressure at the side of big valve
Connection pipe length: 24.6ft.
2.5 Noise Curve
Indoor side noise when blowing Outdoor side noise when blowing
Indoor fan motor rotating speed Compressor frequency(Hz)
Noise/dB(A)
50
60
30
40
20
Low Middle High Super High
40
42
44
46
48
50
52
54
56
20 4030 50 60 70 80
90
Noise dB(A)
09&12K Cooling
09&12K Heating
GWC09QC-D3DNA1D/I(LC)
GWH09QC-D3DNA1D/I(LCLH)
GWC09QC-D3DNB2D/I(LC)
GWC09QC-D3DNB4D/I(LC)
GWC09QC-D3DNB8D/I(LC)
GWH09QC-D3DNB2D/I(LCLH)
GWH09QC-D3DNB4D/I(LCLH)
GWC12QC-D3DNA1D/I(LC)
GWH12QC-D3DNA1D/I(LCLH)
GWC12QC-D3DNB2D/I(LC)
GWH12QC-D3DNB2D/I(LCLH)
GWC12QC-D3DNB4D/I(LC)
GWH12QC-D3DNB4D/I(LCLH)
GWC12QC-D3DNA5D/I(LC)
12K
09K
09/12K

11
Technical Information
Service Manual
24K
18K
20
30
40
50
LM HSH
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
18/24K
36K
30
40
50
60
LM
36K
30K
30K
HSH
Indoor fan motor rating speed
Noise/dB(A)
45
50
55
60
65
70
75
80
20 30 40 50 60 70 80 90 100
Compressor frequency(Hz)
Noise dB(A)
Indoor side noise Outdoor side noise
36K

12 Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:inch
33 1/4 8 7/32
11 3/8
4 43/64 7 1/421 21/64
Φ2 1/6 Φ2 1/6
1 3/8 1 3/8
53 19/64
WD
H
42
77
13/64
5 1/2
7 1/2
1 1/2 1 1/2
Φ2 1/6 Φ2 1/6
3 7/64
6
1 21/32
8 7/64 27 7 21/64
Φ2 3/4 Φ2 3/4
18K
09/12K
24K
Models W H D
09/12K 33 1/4 11 3/8 8 7/32
18K 38 13/64 11 13/16 8 5/6
24K 42 7/16 12 51/64 9 11/16

13
Technical Information
Service Manual
3.2 Outdoor Unit
Unit:inch
23 5/16
11 1/4
30 10
12 19/32
33 25/64
23 5/16
Unit: inch
35
13 13/32
27 9/16
15 19/32
38
14 21/64
22
18K
09/12K

14 Technical Information
Service Manual
24/36K
Unit:inch
14 37/64
31 7/64
16 13/16
15 9/16
39 1/2
24
36 2/9

15
Technical Information
Service Manual
4. Refrigerant System Diagram
Connection pipe specication:
Liquid pipe:1/4"
Gas pipe:3/8" (09K)
Gas pipe:1/2"(12K)
Gas pipe:5/8" (18/24/36K)
Indoor unit Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer Electron
expansion
valve
Strainer
Accumlator
Compressor

16 Technical Information
Service Manual
5. Electrical Part
5.1 Wiring Diagram
● Indoor Unit
● Instruction
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH White GN Green CAP Jumper cap
YE Yellow BN Brown COMP Compressor
RD Red BU Blue Grounding wire
YEGN Yellow/Green BK Black / /
VT Violet OG Orange / /
Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
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17
Technical Information
Service Manual
63610000350
STEPPING
CAP
BLOCK
TERMINAL
G
EVAPORATOR
FAN MOTOR
JUMP AP2: MAIN BOARD
YEGN
BK
BN
YEGN
N
S
XT1
BU
AC-L
COM-OUT
COM-MANUAL
CONNECTOR
AP3
WIRED
MOTOR
T-SENSORDISP2DISP1
RT1
θ
AP1
ROOM TUBE TEMP.SENSOR TEMP.SENSOR
DISPLAY BOARD
RECEIVER AND
θ
RT2
DC-MOTOR
M1
SWING-UD
M2
ELECTRIC BOX G
CONTROLLER
WARNING
G
OUTDOOR UNIT
WH(BU)
BK
RD(BN)
GN(YEGN)
L1’
L2’
CONNECTING
CABLE
Please don't touch any electronic
component and terminal when the
machine is running , stopping or has
been powered off for less than 3
minutes to prevent electric shock !
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LI024HI-230P432