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.