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