Table of Contents
Advertisement
Advertisement
Table of Contents
Troubleshooting
Related Manuals for Lennox LI012CO-230P432
Summary of Contents for Lennox LI012CO-230P432
- Page 1 Service Manual Models: LI012CI-230P432 LI012CO-230P432 LI012HI-230P432 LI012HO-230P432 LI018CI-230P432 LI018CO-230P432 LI018HI-230P432 LI018HO-230P432 LI024HI-230P432 LI024HO-230P432 LI024CI-230P432 LI024CO-230P432 Thank you for selecting LENNOX air conditioners.
-
Page 2: Table Of Contents
Service Manual Table of Contents Part Ⅰ : Technical Information ...............1 1. Summary ........................1 2. Specifications ......................2 2.1 Specification Sheet ......................2 2.2 Operation Characteristic Curve ..................8 2.3 Capacity Variation Ratio According to Temperature ............8 2.4 Noise Curve ........................9 2.5 Cooling and Heating Data Sheet in Rated Frequency .............9 3. - Page 3 Service Manual 9. Maintenance ......................46 9.1 Precautions before Maintenance ..................46 9.2 Error Code List .......................47 9.3 Troubleshooting for Main Malfunction ................50 9.4 Troubleshooting for Normal Malfunction .................63 10. Exploded View and Parts List ..............65 10.1 Indoor Unit ........................65 10.2 Outdoor Unit .........................73 11.
-
Page 4: Part Ⅰ : Technical Information
1. Summary Indoor Unit: LI012CI-230P432 LI012HI-230P432 LI018CI-230P432 LI018HI-230P432 LI024CI-230P432 LI024HI-230P432 Outdoor Unit: LI018CO-230P432 LI024CO-230P432 LI024HO-230P432 LI018HO-230P432 LI012CO-230P432(LC) Remote Controller: LI012HO-230P432(LCLH) YAA1FB H O U R ONOFF Model List: Indoor product Product code Indoor model Outdoor model Outdoor product code Model... -
Page 5: Specifications
Service Manual 2. Specifications 2.1 Specification Sheet LI012CI-230P432 LI012HI-230P432 Model LI012CO-230P432 LI012HO-230P432 Product Code Y6509 / Y6510 Y6754 / Y6755 Rated Voltage 208/230 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Outdoor Cooling Capacity(Min~Max) Btu/h 12000(3100~13000) 12000(3100~13000) Heating Capacity(Min~Max) - Page 6 Service Manual Model of Outdoor Unit LI012CO-230P432 LI012HO-230P432 Outdoor Unit Product Code Y6510 Y6755 ZHUHAI GREE DAIKIN DEVICE ZHUHAI GREE DAIKIN DEVICE Compressor Manufacturer/Trademark CO.,LTD CO.,LTD Compressor Model 1GDY23AXD 1GDY23AXD Compressor Oil DAPHNE FVC50K DAPHNE FVC50K Compressor Type Swing Swing Compressor Locked Rotor Amp (L.R.A)
- Page 7 Service Manual LI018HI-230P432 LI018HO- Model LI018CI-230P432 LI018CO-230P432 230P432 Product Code Y6511 / Y6512 Y6756 / Y6757 Rated Voltage 208/230 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Outdoor Cooling Capacity(Min~Max) Btu/h 18000(6800~20000) 18000(6800~20000) Heating Capacity(Min~Max) Btu/h 19800(7340~23500) Cooling Power Input(Min~Max) 1380(450~2150) 1435(450~2150) Heating Power Input(Min~Max)
- Page 8 Service Manual Model of Outdoor Unit LI018CO-230P432 LI018HO-230P432 Outdoor Unit Product Code Y6757 Y6512 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO,LTD. CO,LTD. Compressor Model QXA-B141zF030A QXA-B141zF030A Compressor Oil RB68EP RB68EP Compressor Type Rotary Rotary Compressor Locked Rotor Amp (L.R.A) Compressor RLA 12.08 12.08...
- Page 9 Service Manual Model LI024CI-230P432 LI024CO-230P432 LI024HI-230P432 LI024HO-230P432 Product Code Y6758 / Y6759 Y6513 / Y6514 Rated Voltage 208/230 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Outdoor Cooling Capacity(Min~Max) Btu/h 22000(6800-29700) 22000(6824~27296) Heating Capacity(Min~Max) Btu/h 23000(6824~30708) Cooling Power Input(Min~Max) 1650(450~3000) 1830(450~3000) Heating Power Input(Min~Max)
- Page 10 Service Manual Model of Outdoor Unit LI024CO-230P432 LI024HO-230P432 Outdoor Unit Product Code Y6759 Y6514 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO,LTD. CO,LTD. Compressor Model QXAS-D23zX090 QXAS-D23zX090A Compressor Oil RB68EP RB68EP Compressor Type Rotary Rotary Compressor Locked Rotor Amp (L.R.A) Compressor RLA 14.67 14.67...
-
Page 11: Operation Characteristic Curve
Service Manual 2.2 Operation Characteristic Curve Cooling Heating Cooling Heating 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 10 20 30 40 50 60 70 80 90 100 Compressor speed (rps) Compressor speed (rps) 2.3 Capacity Variation Ratio According to Temperature Cooling... -
Page 12: Noise Curve
Service Manual 2.4 Noise Curve Indoor side noise Outdoor side noise Heating Cooling Compressor frequency(Hz) Indoor fan motor rating speed 2.5 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe Inlet and outlet pipe Rated cooling Compressor connecting indoor and temperature of heat... -
Page 13: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit 7 13/64 Φ2 3/16 Φ2 3/16 1 1/2 1 1/2 7 1/2 5 1/2 8 7/64 7 21/64 Φ2 3/4 Φ2 3/4 1 21/32 3 7/64 7 1/4 4 43/64 21 21/64 Φ2 3/16 Φ2 3/16 1 3/8... -
Page 14: Outdoor Unit
Service Manual 3.2 Outdoor Unit 13 13/32 15 19/32 Unit: inch 36 7/32 14 37/64 16 13/16 38 37/64 Unit:inch Technical Information... - Page 15 Service Manual 12 19/32 33 25/64 23 5/16 Unit:inch Technical Information...
-
Page 16: Refrigerant System Diagram
Service Manual 4. Refrigerant System Diagram Cooling only model Outdoor unit Indoor unit Gas pipe side Valve Di s charge Heat exchanger (evaporator) Suction Accumlator Heat Compressor exchanger (condenser) Liquid pipe side Valve Electron Capillary Strainer expansion valve COOLING Cooling and heating model Outdoor unit Indoor unit Gas pipe... -
Page 17: Electrical Part
Service Manual 5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Brown Compressor Yellow COMP Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ●... - Page 18 Service Manual LI012CI-230P432 LI012HI-230P432 63610000133 LI024HI-230P432 63610000121 Technical Information...
- Page 19 Service Manual ● Outdoor Unit Model: LI018CO-230P432 63610000448 Model:LI018HO-230P432 6361000044801 Technical Information...
- Page 20 Service Manual Model: LI024CO-230P432 63610000447 Model: LI012CO-230P432 63610000136 Technical Information...
- Page 21 Service Manual Model:LI012HO-230P432 63610000137 Model:LI024HO-230P432 63633617 The above data is subject to change without notice. Please refer to the nameplate of the unit. Technical Information...
-
Page 22: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Indoor Unit ● Top view Neutral wire DC fan Auto button Up&down swing Left&right swing Temperature sensor Interface of wired controller Display interface Terminal with outdoor unit communication wire Interface of live wire Fuse Protection grounding wire Interface of health function live wire(only for the mode with this... - Page 23 Service Manual Outdoor Unit LI018CO-230P432 LI018HO-230P432 ● Top view 9 10 1 Compressorinter face Interface of low- temperature cooling temperature sensor High pressure protection 4 Low pressure protection Interface of temperature sensor Overload interface of compressor electronic expansion valve 8 Interface of DC fan Compressor electric heater interface 10 4-way valve interface...
- Page 24 Service Manual LI024CO-230P432 LI024HO-230P432 ● Top view 1 Compressorinter face 2 Compressor overload protector 3 Temperature sensor 4 Electric expansion valve 5 Outdoor fan 6 4-way valve Communication interface with indoor unit 8 Live wire 9 Earthing wire 10 Neutral wire 11 Reactor interface 2 12 Reactor interface 1 13 2-way valve interface...
- Page 25 Service Manual LI012CO-230P432 LI012HO-230P432 ● Top view 14 15 ● Bottom view Technical Information...
-
Page 26: Function And Control
Service Manual 6. Function and Control 6.1 Remote Controller Introduction ON/OFF button - button + button MODE button H O U R ONOFF FAN button SWING button I FEEL button button SLEEP button TEMP button TIMER-ON button CLOCK button TIMER-OFF button TURBO button LIGHT... - Page 27 Service Manual no display Technical Information...
- Page 28 Service Manual Technical Information...
- Page 29 Service Manual If “H1” is displayed on the remote controller while it’s not operated by the professional person/after-sales person, it belongs to the misoperation. Please operate it as below to cancel it.Under the OFF status of remote controller, hold the “MODE” button and “X-FAN” buttons simultaneously for 5s to cancel “H1”...
-
Page 30: Brief Description Of Modes And Functions
Service Manual 6.2 Brief Description of Modes and Functions 1.Basic function of system (1)Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 60.8~86.0 (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (2)Drying mode (1) Under this mode, fan operates at low speed and swing operates at setting status. - Page 31 Service Manual (8)I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9)Compulsory defrosting function (1) Start up compulsory defrosting function Under ON status, set heating mode with remote controller and adjust the temperature to 60.8 F.
- Page 32 Service Manual Outdoor Units 1. Input Parameter Compensation and Calibration (1) Check the ambient temperature compensation function Indoor ambient temperature compensation function. a. In cooling mode, the indoor ambient temperature participating in computing control = (T – ⊿ T indoor ambient temperature cooling indoor ambient temperature compensation b.
- Page 33 Service Manual 3. Special Functions Defrosting Control ① Conditions for starting defrosting After the time for defrosting is judged to be satisfied, if the temperature for defrosting is satisfied after detections for continuous 3minutes, the defrosting operation will start. ② Conditions of finishing defrosting The defrosting operation can exit when any of the conditions below is satisfied: ③...
- Page 34 Service Manual 1. Starting estimation: After the compressor stopped working for 180s, if T > [T (the temperature of hysteresis is 35.6ºF )], inner pipe frozen-preventing frequency-limited temperature the machine is only allowed to start for operating, otherwise it should not be started, and should be stopped to treat according to the frozen- preventing protection: Clear the trouble under the mode of power turn-off / heating, and the protection times are not counted.
- Page 35 Service Manual 1. Frequency limited If [T ]≤T <[T ] , you should limit the frequency raising of heating overload frequency-limited temperature inner pipe heating overload frequency reducing temperature at normal speed compressor. 2. Reducing frequency at normal speed and stopping machine: If T[ ]≤T <[T...
- Page 36 Service Manual (6)Voltage sag protection After start the compressor, if the time of DC link Voltage sag [U ] is measured to be less than t Voltage sag protection time , Sagging protection voltage the machine should be stop at once, hand on the voltage sag trouble, reboot automatically after 30 minutes. (7)Communication fault When you have not received any correct signal from the inner machine in three minutes, the machine will stop for communication fault.
- Page 37 Service Manual (12) Starting-up Failure Protection for Compressor Stop the compressor after its starting-up fails, restart it after 20s if the fault doesnt shows, and if they are all failing for the successive start 3 times, it shall be reported as Starting-up Failure, and then restart up it after 3 min. When it still not be able to operate through carry out the above process for 5 times, it is available if press ON/OFF.
- Page 38 Service Manual 6. Electric Heating Function of Chassis (1) When Toutdoor amb.≤32ºF , the electric heating of chassis will operate; (2) When Toutdoor amb.>35.6ºF , the electric heating of chassis will stop operation; (3)When 32ºF <Toutdoor amb.≤35.6ºF, the electric heating of chassis will keep original status. 7.
-
Page 39: Part Ⅱ : Installation And Maintenance
Service Manual Part Ⅱ : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire Important! from the manufacture or distributor. Prohibit prolong the wire by yourself. - Page 40 Service Manual connection pipe is not yet connected, air will be sucked in and cause pressure rise or compressor rupture, resulting in injury. ●Prohibit installing the unit at the place where there may be leaked corrosive gas or flammable gas. If there leaked gas around the unit, it may cause explosion and other accidents.
- Page 41 Service Manual Main Tools for Installation and Maintenance 1. Level meter, measuring tape 2. Screw driver 3. Impact drill, drill head, electric drill 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8.
-
Page 42: Installation
Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall Space to the wall At least 5 27/64 inch At least 5 7/8 inch Drainage pipe Installation and Maintenance... - Page 43 Service Manual Installation procedures Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install the support of outdoor unit Install wall-mounting (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit...
-
Page 44: Installation Parts-Checking
Service Manual 8.2 Installation Parts-checking 8.4 Requirements for electric connection 1. Safety Precaution Name Name (1) Must follow the electric safety regulations when installing Indoor unit Sealing gum the unit. Outdoor unit Wrapping tape (2) According to the local safety regulations, use qualified Support of outdoor Connection pipe power supply circuit and air switch. - Page 45 Service Manual in the holes. 5. Connect the Pipe of Indoor Unit (3) Fix the wall-mounting frame on the wall with tapping screws (1) Aim the pipe joint at the corresponding bellmouth.(As show (ST4.2X25TA) and then check if the frame is firmly installed by in Fig.5) pulling the frame.
- Page 46 Service Manual 7. Connect Wire of Indoor Unit 8. Bind up Pipe (1) Open the panel, remove the screw on the wiring cover and (1) Bind up the connection pipe, power cord and drain hose then take down the cover.(As show in Fig.11) with the band.(As show in Fig.14) (2) Reserve a certain length of drain hose and power cord for installation when binding them.
-
Page 47: Installation Of Outdoor Unit
Service Manual Refer to the following table for wrench moment of force: 8.6 Installation of Outdoor Unit Hex nut diameter Tightening torque(ft·Ibf) 1. Fix the Support of Outdoor Unit(Select it according to Φ1/4 11.10~14.75 the actual installation situation) Φ3/8 22.12~29.50 (1) Select installation location according to the house structure. -
Page 48: Vacuum Pumping And Leak Detection
Service Manual (3) The water outlet cant be placed in water in order to drain 8.8 Check after Installation and Test smoothly.(As show in Fig.27) Operation 1. Check after Installation Check according to the following requirement after finishing installation. The drain hose can't be fluctuant Items to be checked Possible malfunction Has the unit been... -
Page 49: Maintenance
Service Manual 9. Maintenance 9.1 Precautions before Maintenance There are high-capacity electrolytic capacitors on the outdoor mainboard. Thus, even the power is cut off, there is high voltage inside the capacitors and it needs more than 20min to reduce the voltage to safety value. Touching the electrolytic capacitor within 20min after cutting the power will cause electric shock. -
Page 50: Error Code List
Service Manual 9.2 Error Code List 1.Power supply is abnormal Malfunction Off 3s of zero-cross The complete unit stops 2.Detection circuit of indoor and blink derection control mainboard is 17 times abnormal Installation and Maintenance... - Page 51 Service Manual Complete unit Off 3s current and blink detection 13 times malfunction Off 3s Defrosting will occur in and blink heating mode.Compressor once will operate while indoor It’s the normal state (during fan will stop. blinking, ON 10s and Off 05s) Installation and Maintenance...
- Page 52 Service Manual Installation and Maintenance...
-
Page 53: Troubleshooting For Main Malfunction
Service Manual Malfunction of Temperature Sensor F1, F2 9.3 Troubleshooting for Main Malfunction Main.detection.points: ●Indoor unit: Is.the.wiring.terminal.between.the.temperature.sensor.and.the.controller.loosened.or.poorly.contacted? Is.there.short.circuit.due.to.trip-over.of.the.parts? Is.the.temperature.sensor.broken? 1. Malfunction of Temperature Sensor F1, F2 Is.mainboard..broken? Malfunction.diagnosis.process: Troubleshooting for F1,F2 malfunction the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly... - Page 54 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Start Turn the fan blades by hand under power-off condition Adjust the motor and blade Whether the fan blades assembly so that rotor can run can run smoothly? smoothly.
- Page 55 Service Manual 3. Malfunction of Protection of Jumper Cap C5 Installation and Maintenance...
- Page 56 Service Manual 4. Communication malfunction E6 Start Cut off power supply. Check if connection line of IDU and ODU and the wire inside electric box are correctly connected. Connect the line Correct connection? according to Malfunction eliminated? wiring diagram. Main board matches Match correctly with display board? Main board of Malfunction eliminated?
- Page 57 Service Manual ●Outdoor unit: 1.Key detection point Test9 Test3 Test4 Test2 Test1 Test5 Test8 Tset7 Test6 Test10 Test11 Test12 Test value under normal Test NO Test point Corresponding component condition Test 1 Between A and C Neutral and live wires 160V~265V Test 2 Between B and C...
- Page 58 Service Manual 2.Capacity charging malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit) Main detection point: ● Detect if the voltage of L and N terminal of wiring board is between 210AC-240AC by alternating voltage meter; ● Is reactor (L) well connected? Is connection wire loosened or pull-out? Is reactor (L) damaged? Malfunction diagnosis process: Turn on the unit and wait 1 minute...
- Page 59 Service Manual 3.IPM protection, phase current overcurrent (the control board as below indicates the control board 2. IPM protection, phase current overcurrent (the control board as below indicates the control board of outdoor unit) H5/P5 of outdoor unit) H5/P5 Mainly detect: (1) Compressor COMP terminal (2) voltage of power supply (3) compressor (4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit Troubleshooting:...
- Page 60 Service Manual 4.Diagnosis for anti-high temperature, overload protection (AP1 below is control board of outdoor unit) Main detection point: ● If the outdoor ambient temperature is in normal range; ● If the indoor and outdoor fan is running normal; ● If the radiating environment of indoor and outdoor unit is well. Malfunction diagnosis process: Anti-high temperature, overload protection...
- Page 61 Service Manual 5.Diagnosis for failure start up malfunction (AP1 below is control board of outdoor unit) Main detection point: ● If the compressor wiring is correct? ● If the stop time of compressor is enough? ● If the compressor is damaged? ●...
- Page 62 Service Manual 6. Diagnosis for compressor synchronism (AP1 below is control board of outdoor unit) Main detection point: ● If the system pressure is over-high? ● If the work voltage is over-low? Malfunction diagnosis process: Synchronism Synchronism after energize the unit occurred during and start it operation...
- Page 63 Service Manual 7.Diagnosis for overload and discharge malfunction (AP1 below is control board of outdoor unit) Main detection point: ● If the electron expansion valve is connected well? Is the expansion valve damaged? ● If the refrigerant is leakage? ● If the overload protector is damaged? Malfunction diagnosis process: After the unit de-energized...
- Page 64 Service Manual 8.Communication malfunction (AP1 below is control board of outdoor unit) Main detection point: ● Check if the connection wire and the built-in wiring of indoor and outdoor unit is connected well and no damaged; ● If the communication circuit of indoor mainboard is damaged? If the communication circuit of outdoor mainboard (AP1) is dam- aged Malfunction diagnosis process: Start...
- Page 65 Service Manual 10.Diagnosis process for outdoor communication circuit Start Test voltage value with Test 10 position in diagram with voltage meter Number jumping Test voltage value with Test 13 position in diagram with voltage meter Number jumping Outdoor unit malfunction Test voltage value with Test 11 position in...
-
Page 66: Troubleshooting For Normal Malfunction
Service Manual 9.4 Troubleshooting for Normal Malfunction 1. Air conditioner cant be started up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor After energization, operation indicator isnt bright wait for power recovery. - Page 67 Service Manual 4. ODU Fan motor cant operate Possible causes Discriminating method (air conditioner status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram firmly...
-
Page 68: Exploded View And Parts List
Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit LI018HI-230P432 LI018CI-230P432 H O U R ONOFF The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 69 Service Manual Part Code Description LI018HI-230P432 LI018CI-230P432 Product Code Y6756 Y6511 Decorative Strip Front Panel 20000300023 20000300023 Display Board 30565260 30565260 Filter Sub-Assy 1112208904 1112208904 Decorative Board (Left) 20192662 20192662 Front Case 2002248401 2002248401 Guide Louver 1051276501 1051276501 Axile Bush 10542036 10542036 Air Louver...
- Page 70 Service Manual LI024CI-230P432 H O U R ONOFF The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
- Page 71 Service Manual Part Code Description LI024CI-230P432 Product Code Y6513 Front Panel 20000300016 Filter Sub-Assy 11012007 Screw Cover 2425245301 Front Case Assy 00000200057 Air Louver(Manual) 10512737 Helicoid Tongue 26112513 Left Axile Bush 10512037 Rear Case assy 22202570 Rubber Plug (Water Tray) 76712012 Ring of Bearing 26152025...
- Page 72 Service Manual LI012CI-230P432 LI012HI-230P432 H O U R ONOFF The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
- Page 73 Service Manual Part Code Description LI012CI-230P432 LI012HI-230P432 Product Code Y6754 Y6509 Front Panel 20000300018S 20000300018S Display Board 30565260 30565260 Filter Sub-Assy 11122468 11122468 Front Case Assy 00000200045 00000200045 Helicoid Tongue 26112507 26112507 Left Axile Bush 10512037 10512037 Rear Case assy 22202375 22202375 Drainage Hose...
- Page 74 Service Manual LI024HI-230P432 The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
- Page 75 Service Manual Part Code Description LI024HI-230P432 Product Code Y6758 Front Panel 20000300016 Filter Sub-Assy 11012007 Screw Cover 2425245301 Front Case Assy 00000200057 Air Louver(Manual) 10512737 Helicoid Tongue 26112513 Left Axile Bush 10512037 Rear Case assy 22202570 Rubber Plug (Water Tray) 76712012 Ring of Bearing 26152025...
-
Page 76: Outdoor Unit
Service Manual 10.2 Outdoor Unit LI018CO-230P432 The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 77 Service Manual Part Code Description LI018CO-230P432 Product Code Y6512 Front Grill 01473049 Cabinet 01433047P Axial Flow Fan 10335008 Fan Motor 1501506402 Chassis Sub-assy 01700000161P01 Clapboard Assy 01235081 Compressor and Fittings 00105249G Inhalation Tube Sub-assy 03500600726 Discharge Tube Sub-assy 03001300343 Valve Support Assy 01705046P Cut off Valve Assy 07130239...
- Page 78 Service Manual LI018HO-230P432 The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
- Page 79 Service Manual Part Code Description LI018HO-230P432 Product Code Y6757 Fan Motor 1501506402 Terminal Board 4201025501 Electric Box 20115003 Radiator 49010252 Main Board 30138000873 Electric Box Cover 20125002 Electric Box Assy 10000100632 Left Handle 26233053 Left Side Plate 01305093P Motor Support Sub-Assy 01705067 Condenser Support Plate 01795031...
- Page 80 Service Manual LI024CO-230P432 The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
- Page 81 Service Manual Part Code Description LI024CO-230P432 Product Code Y6514 Front Grill 01473050 Fan Motor 1501403402 Electric Box (Fireproofing) 01413426 Radiator 49015215 Main Board 30138000874 Electric Box Assy 10000100614 Wire Clamp 71010003/71010102 Terminal Board 4201025501 Left Handle 26233053 Left Side Plate 01305043P Coping 01255006P...
- Page 82 Service Manual LI012CO-230P432 The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
- Page 83 Service Manual Part Code Description LI012CO-230P432 Product Code Y6510 Front Grill 01473012 Cabinet 0153501201 Axial Flow Fan 10333004 Fan Motor 1501308505 Chassis Sub-assy 0120380601P Compressor Gasket 76713027 Electrical Heater(Compressor) 76513004 Compressor and fittings 00103892 Electric Expansion Valve Sub-Assy 07130369 Valve cover...
- Page 84 Service Manual LI012HO-230P432 The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
- Page 85 Service Manual Part Code Description LI012HO-230P432 Product Code Y6755 Front Grill 01473012 Cabinet 0153501604 Axial Flow Fan 10333004 Fan Motor 1501308505 Electrical Heater 76510010 Chassis Sub-assy 0120380601P Drainage Connecter 06123401 Electrical Heater(Compressor) 76513004 Compressor and Fittings 00103892 Compressor Gasket 76713027 Magnet Coil 4300040047 Valve Support...
- Page 86 Service Manual LI024HO-230P432 The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
- Page 87 Service Manual Part Code Description LI024HO-230P432 Product Code Y6759 Front Grill 01473050 Fan Motor 1501403402 Electric Box (Fireproofing) 01413426 Radiator 49015215 Main Board 30138000504 Electric Box Assy 10000100164 Wire Clamp 71010003/71010102 Terminal Board 42010255 Left Handle 26235401 Left Side Plate 01305043P Coping 01255006P...
-
Page 88: Removal Procedure
Service Manual 11. Removal Procedure Warning: Be sure to wait for a minimum 11.1 Removal Procedure of Indoor Unit of 20 minutes after turning off all power supplies and discharge the refrigerant 18/24K completely before removal. 1. Remove filter as s y Front panel Open the front panel. - Page 89 Service Manual Loosen the connection clasps between front case sub-assy and bottom case. Lift up the front case sub-assy and take it out. Screw off the screws that are locking S wing motor the swing motor and take the motor off. Installation and Maintenance...
- Page 90 Service Manual Indoor tube temperature s ensor Cut off the wire binder and pull out the indoor tube temperature sensor. Screw off one grounding screw. Main Remove the wiring terminals of motor and board stepping motor. Remove the electric box assy. G rounding Screw off the screws that are locking each s c rew...
- Page 91 Service Manual G roove R ear case ass y First remove the left side of evaporator from the groove on the rear case assy. Then remove the right side from the clasp on the C lasp rear case assy. Installation and Maintenance...
- Page 92 Service Manual Installation and Maintenance...
- Page 93 Service Manual Step Procedure 1. Remove filter assembly Front panel Open the front panel. Push the left filter and right filter until they are separate from the groove on the front panel. Front Remove the left filter and right filter case Left filter respectively.
- Page 94 Service Manual Step Procedure 4. Remove electric box cover 2 Screw Electric box cover 2 Remove the screws on the electric box cover t2 o remove the electric box cover 2. 5. Remove front case sub-assy Screws Remove the screws fixing front case. Note: 1.Open the screw caps before removing the screws around the air outlet.
- Page 95 Service Manual Step Procedure 7. Remove electric box assy Screw Loosen the connection clasps between shield cover of electric box sub-assy and Clasps electric box, and then remove the shield cover of electric box sub-assy. Remove the screw fixing electric box assy . electric box Shield cover of electric box sub-assy...
- Page 96 Service Manual Step Procedure Instruction: Some wiring terminal of this product is with lock catch and other devices. circlip The pulling method is as below: holder 1.Remove the soft sheath for some terminals at first, hold the circlip and then pull out the terminals.
- Page 97 Service Manual Step Procedure 9. Remove motor and cross flow blade Remove the screws fixing motor clamp Screws and then remove the motor clamp. Motor clamp Cross flow Remove the screws at the connection Screw place of cross flow blade and motor; lift Motor Holder the motor and cross flow blade upwards...
-
Page 98: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. NOTE: Take heat pump for example. Steps Procedure 1. - Page 99 Service Manual Steps Procedure Remove the screws connecting the outer case with motor support, isolation plate and chassis; lift the outer case upwards; loosen the clasps of outer case with right side plate and left side plate, and then remove the outer case. outer case 3.
- Page 100 Service Manual Steps Procedure 4. Remove axial flow blade Remove the nut fixing axial flow blade and then remove the blade. axial flow fan motor support Remove the 6 screws fixing the motor and then remove the motor. Remove the 2 screws connecting the motor support and chassis, and then loosen the stopper to remove the motor support.
- Page 101 Service Manual Steps Procedure 6. Remove the soundproof sponge Tear off the sticking stripe and then remove the soundproof sponge. soundproof sponge 7. Remove isolation plate Remove the 2 screws connecting the isolation plate and condenser side plate; remove the 3 screws connecting the isolation plate and chassis, and then remove the isolation plate.
- Page 102 Service Manual Steps Procedure 9. Remove compressor compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion. Note: Keep the ports of discharge pipe and suction pipe from foreign objects. condenser sub-assy 10.
- Page 103 Service Manual NOTE:Take heat pump for example. Steps Procedure 1. Remove big handle,valve cover and top cover Remove the screw connecting the big handle and right side plate, and then remove the big handle. Remove the screw connecting the valve cover and right side plate, and then remove the valve cover.
- Page 104 Service Manual Steps Procedure 4.Remove grille and panel Twist off the screws connecting the grille and panel, and then remove the grille. Twist off the screws connecting the panel, chassis and motor support with screwd-river, and then remove the panel. grille panel 5.Remove right side plate...
- Page 105 Service Manual Steps Procedure 7.Remove electric box electric box Twist off the screws on electric box, cut off the tieline with scissors or pliers, pull out the wiring terminal, pull it upwards to remove the electric box. Twist off the screws on electric box (fireproofing) electric box with screwdriver, and then remove the electric (fireproofing)
- Page 106 Service Manual Steps Procedure 9.Remove motor support Twist off the tapping screws fixingthe motor support, pull it upwardsand then remove the motor support. motor support 10.Remove isolation sheet Twist off the screws connecting isolation sheet and end plate of condenser and chassis, and then remove the isolation sheet.
- Page 107 Service Manual Steps Procedure 12.Remove gas valve and liquid valve Twist off the 2 bolts fixing the valve sub-assy. Unsolder the soldering joint between gas valve and air-return pipe and then remove the gas valve.(note: when unsoldering the soldering joint, wrap the gas valve with wet cloth completely to gas valve avoid the damage to valve, and release all...
- Page 108 Service Manual Steps Procedure 15.Remove left side plate Twist off the screws connecting the left side plate and chassis with screwdriver, and then remove the left side plate. left side plate 16.Remove chassis and condenser Pull it upwards to separate the chassis and condenser.
- Page 109 Service Manual NOTE:Take heat pump for example. Steps Procedure 1.Remove cable cross plate sub-assy and valve cover cable cross plate sub-assy Remove the screws fixing cable cross plate sub-assy and then remove the cable cross plate sub-assy. Remove the screws fixing valve cover and then remove the valve cover.
- Page 110 Service Manual Steps Procedure 4.Remove front panel front panel Remove connection screws connecting the front panel with the chassis and the motor support, and then remove the front panel. 5.Remove right side plate Remove connection screws connecting the right side plate right side plate with the valve support and the electric box.
- Page 111 Service Manual Steps Procedure 7.Remove motor and motor support motor support tor Pull out the lead-out wire and remove themotor. Remove the 2 tapping screws re-move it. motor 8.Remove electric box assy electric box assy Remove the 2 screws fixing the cover of elec-tric box.
- Page 112 Service Manual Steps Procedure 10.Remove 4-way valve assy 4-way valve assy Unscrew the fastening nut of the 4-way Valve Assy coil and remove the coil. Wrap the 4-way Valve Assy with wet cotton and unsolderthe 4 weld spots connecting the 4-way Valve Assy to take it out(Note: Refrig- erant shouldbe discharged firstly.) Welding processshould be as quickly as possible and...
-
Page 113: Appendix
Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius （℃） Celsius （℃） Celsius （℃） temperature temperature temperature （℉）... -
Page 114: Appendix 3: Pipe Expanding Method
Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Pipe cutter Improper pipe expanding is the main cause of refrigerant leakage.Please expand the pipe according to the following steps: Leaning Uneven Burr A:Cut the pip ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●... -
Page 115: Appendix 4: List Of Resistance For Temperature Sensor
Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) -2.2 138.1 18.75 138.2 3.848 208.4 1.071 -0.4 128.6 69.8 17.93 3.711 210.2 1.039... - Page 116 Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) -2.2 181.4 25.01 138.2 5.13 208.4 1.427 -0.4 171.4 69.8 23.9 4.948 210.2 1.386 162.1 71.6 22.85 141.8 4.773 1.346 153.3 73.4...
- Page 117 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor(50K) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) -20.2 853.5 120.2 18.34 190.4 4.754 -18.4 799.8 51.8 93.42 17.65 192.2 4.609 -16.6 53.6 89.07 123.8 16.99 4.469 -14.8 703.8 55.4 84.95 125.6 16.36...
- Page 118 JF00304025 Visit us at www.lennox.com, or contact us at 1-877-726-0024. © 2014 Lennox Industries Inc. For a complete list of the registered and common law trademarks owned by Lennox Industries Inc., please visit www.lennox.com.