Table of Contents
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Split Air Conditioner
OWNER'S MANUAL
LENNOX A I R CO ND I T I O NE RS
MO D E L:
LI012CI-180V432
LI012CI-180P432
LI018CI-180P432
LI024CI-180P432
LI012HI-180V432
LI012HI-180P432
LI018HI-180P432
LI024HI-180P432
Thank you for selecting LENNOX air conditioners.Please read this manual
carefully before operation and keep it for further reference.
LI012CO-180V432
LI012CO-180P432
LI018CO-180P432
LI024CO-180P432
LI012HO-180V432
LI012HO-180P432
LI018HO-180P432
LI024HO-180P432
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Summary of Contents for Lennox LI012CI-180V432
- Page 1 Split Air Conditioner OWNER'S MANUAL LENNOX A I R CO ND I T I O NE RS MO D E L: LI012CI-180V432 LI012CO-180V432 LI012CO-180P432 LI012CI-180P432 LI018CI-180P432 LI018CO-180P432 LI024CI-180P432 LI024CO-180P432 LI012HI-180V432 LI012HO-180V432 LI012HI-180P432 LI012HO-180P432 LI018HI-180P432 LI018HO-180P432 LI024HI-180P432 LI024HO-180P432 Thank you for selecting LENNOX air conditioners.Please read this manual...
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Page 3: Table Of Contents
Content Operation Notices Precautions......................1 Parts name ......................9 Screen Operation Guide Buttons on remote controller ................11 Introduction for icons on display screen .............. 11 Introduction for buttons on remote controller ............12 Function introduction for combination buttons ............. 15 Operation guide .................... - Page 4 Explanation of Symbols Indicates a hazardous situation that, if not avoided, will DANGER result in death or serious injury. Indicates a hazardous situation that, if not avoided, could WARNING result in death or serious injury. Indicates a hazardous situation that, if not avoided, may CAUTION result in minor or moderate injury.
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Page 5: Precautions
Precautions WARNING Operation and Maintenance This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. - Page 6 Precautions WARNING Maintenance must be performed by qualified professionals. Otherwise, it may cause personal injury or damage. Do not repair air conditioner by yourself. It may cause electric shock or damage. Please contact dealer when you need to repair air conditioner. Do not extend fingers or objects into air inlet or air outlet.
- Page 7 Precautions WARNING Attachment Installation must be performed by qualified professionals. Otherwise, it may cause personal injury or damage. Must follow the electric safety regulations when installing the unit. According to the local safety regulations, use qualified power supply circuit and circuit break. Do install the circuit break.
- Page 8 Precautions WARNING Do not put through the power before finishing installation. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper tube.
- Page 9 Precautions WARNING For the air conditioner with plug, the plug should be reachable after finishing installation. For the air conditioner without plug, an circuit break must be installed in the line. If you need to relocate the air conditioner to another place, only the qualified person can perform the work.
- Page 10 Precautions FCC STATEMENT (1) this device may not cause harmful interference, and (2) this device must accept any interference received,including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
- Page 11 Precautions IC STATEMENT This device complies with Industry Canada licence- exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
- Page 12 Precautions IC STATEMENT antennes utilisées pour cet émetteur doivent être installées et doivent fonctionner à au moins 20 cm de distance des utilisateurs et ne doivent pas être placées près d’autres antennes ou émetteurs ou fonctionner avec ceux-ci. Les installateurs doivent s’assurer qu’une distance de 20 cm sépare l’appareil (à...
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Page 13: Parts Name
Parts Name Indoor Unit air inlet panel aux.button horizontal louver air outlet H O U R H O U R H O U R H O U R ONOFF H O U R H O U R ONOFF ONOFF H O U R H O U R ONOFF H O U R... - Page 14 Parts Name Display For some model: For some model: temp. cooling power receiver indicator indicator indicator window heating indicator display cooling indicator receiver power heating temp. drying window indicator display indicator indicator indicator drying indicator For some model: display temp. indicator Power LED color indicator: Green-status-ON.
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Page 15: Buttons On Remote Controller
Buttons on remote controller 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 button X-FAN button Introduction for icons on display screen X-fan set fan speed... -
Page 16: Introduction For Buttons On Remote Controller
Introduction for buttons on remote controller Note: ● This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the model doesn't have, if press the corresponding button on the remote controller that the unit will keep the original running status. - Page 17 Introduction for buttons on remote controller FAN button This button is used for setting Fan Speed in the sequence that goes from AUTO, , to , then back to Auto. Auto High speed Low speed Medium speed SWING button Press this button to set up &down swing angle, which circularly changes as below: This remote controller is universal.
- Page 18 Introduction for buttons on remote controller TEMP button Press this button can see indoor set temperature, indoor ambient temperature or outdoor ambient temperature on indoor unit’s display. Temperature is set circularly by remote controller as below: no display ● When selecting " "...
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Page 19: Function Introduction For Combination Buttons
Introduction for buttons on remote controller TURBO button Press this button to activate / deactivate the Turbo function which enables the unitto reach the preset temperature in the shortest time. In COOL mode, the unit will blow strong cooling air at super high fan speed. In HEAT mode, the unit will blow strong heating air at super high fan speed. - Page 20 Function introduction for combination buttons Combination of "TEMP" and "CLOCK" buttons: About Energy-saving Function Press "TEMP" and "CLOCK" simultaneously in COOL mode to start energy-saving function. Nixie tube on the remote controller displays "SE". Repeat the operation to quit the function. Combination of "TEMP"...
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Page 21: Operation Guide
Operation guide After putting through the power, press "ON/OFF" button on remote controller to turn on the air conditioner. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN, HEAT. Press "+" or "-" button to set your required temperature. (Temperature can’t be adjusted under auto mode). -
Page 22: Emergency Operation
Emergency operation If remote controller is lost or damaged, please use auxiliary button to turn on or turn off the air conditioner. The operation in details are as below: air conditioner. When the air conditioner is turned on, it will operate under auto mode. - Page 23 Clean and maintenance Open panel Pull out the panel to a certain ● Use dust catcher or water to the water (below 45℃ ) to clean it, and then put it in a shady and cool place to dry. panel cover tightly. WARNING ■...
- Page 24 Clean and maintenance NOTICE: Checking before use-season 1. Check whether air inlets and air outlets are blocked. 2. Check whether circuit break, plug and socket are in good condition. 4. Check whether drainage pipe is damaged. NOTICE: Checking after use-season 1.
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Page 25: Malfunction Analysis
Malfunction analysis General phenomenon analysis Please check below items before asking for maintenance. If the malfunction still can’t be eliminated, please contact local dealer or qualified professionals. Phenomenon Check items Solution ● Whether it's interfered severely ● Pull out the plug. Reinsert (such as static electricity,stable the plug after about 3min, and voltage)? - Page 26 Malfunction analysis Phenomenon Check items Solution ● Power failure? ● Wait until power recovery. ● Is plug loose? ● Reinsert the plug. ● Circuit break trips off or ● Ask professional to replace fuse is burnt out? circuit break or fuse. Air condit- ●...
- Page 27 Malfunction analysis Phenomenon Check items Solution ● Whether there’s odour source, ● Eliminate the odour source. Odours are such as furniture and cigarette, emitted ● Clean the filter. etc. ● Whether there’s interference, ● Disconnect power, put back Air conditioner such as thunder, wireless power, and then turn on the operates nor-...
- Page 28 Malfunction analysis Error Code ● When air conditioner status is abnormal, temperature indictor on indoor unit will ation of error code. Error code Troubleshooting It can be eliminated after restarting the unit. If not, please It can be eliminated after restarting the unit. If not, please It can be eliminated after restarting the unit.
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Page 29: Installation Dimension Diagram
Installation dimension diagram Space to the wall At least 15cm At least 15cm Space to the wall Space to the obstruction Air inlet side 30cm Above Space to the wall 50cm Above Air outlet side Space to the wall Drainage pipe... -
Page 30: Safety Precautions For Installing And Relocating The Unit
Safety precautions for installing and relocating the unit To ensure safety, please be mindful of the following precautions. Warning When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant. Any presence of air or other foreign substance in the refrigerant circuit will cause system pressure rise or compressor rupture, resulting in injury. -
Page 31: Tools For Installation
Tools for installation 1 Level meter 2 Screw driver 3 Impact drill 4 Drill head 5 Pipe expander 6 Torque wrench 7 Open-end wrench 8 Pipe cutter 9 Leakage detector 10 Vacuum pump 11 Pressure meter 12 Universal meter 13 Inner hexagon spanner 14 Measuring tape Note: ●... -
Page 32: Requirements For Electric Connection
Requirements for electric connection Safety precaution 1. Must follow the electric safety regulations when installing the unit. 2. According to the local safety regulations, use qualified power supply circuit and circuit break. 3. Make sure the power supply matches with the requirement of air conditioner. Unstable power supply or incorrect wiring or malfunction. -
Page 33: Installation Of Indoor Unit
Installation of indoor unit Step one: choosing installation location rm it with the client. Step two: install wall-mounting frame 1. Hang the wall-mounting frame on the wall; adjust it in horizontal position with the plastic expansion particles in the holes. 3. - Page 34 Installation of indoor unit Indoor outdoor Note: ● Pay attention to dust prevention and take relevant safety measures when opening the hole. ● The plastic expansion particles are 5-10° Φ70/Φ55 not provided and should be bought locally. Step four: outlet pipe 1.
- Page 35 Installation of indoor unit Hex nut diameter Tightening torque (N . m) open-end wrench Φ 6 15~20 Φ 9.52 30~40 union nut Φ 12 45~55 pipe Φ 16 60~65 torque wrench Φ 19 70~75 indoor pipe 4. Wrap the indoor pipe and joint of con- nection pipe with insulating pipe, and then wrap it with tape.
- Page 36 Installation of indoor unit 2. Make the power connection wire go cable-cross through the cable-cross hole at the back hole of indoor unit and then pull it out from the front side. power connection wire 3. Remove the wire clip; connect the power connection wire to the wiring terminal with wire clip.
- Page 37 Installation of indoor unit Step eight: bind up pipe 1. Bind up the connection pipe, power drain hose connection pipe band cord and drain hose with the band. indoor and outdoor power cord indoor unit pipe indoor power cord liquid pipe 3.
- Page 38 Installation of outdoor unit (select it according to the actual installation situation) 1. Select installation location according to the house structure. 2. Fix the support of outdoor unit on the selected location with expansion screws. Note: installing the outdoor unit. ●...
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Page 39: Installation Of Outdoor Unit
Installation of outdoor unit Step four: connect indoor and outdoor pipes 1. Remove the screw cap of valve and 3. Tighten the union nut with torque aim the pipe joint at the bellmouth of wrench by referring to the sheet pipe. - Page 40 Installation of outdoor unit 2. Fix the power connection wire and signal control wire with wire clip (only for cooling and heating unit). Note: ● Never cut the power connection wire to prolong or shorten the distance. Step six: neaten the pipes 1.
- Page 41 Installation of outdoor unit The 18K、24K UNIT drainage hole consists of two Φ25 and two kidney holes (see the fig.1). The drain plug consists of one Φ25 and two kidney plugs. (The figures in this manual may be different with the material objects, please refer to the material objects for reference) Drain plug drain...
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Page 42: Vacuum Pumping
Vacuum pumping Use vacuum pump 1. Remove the valve caps on the liquid valve and gas liquid valve piezometer valve and the nut of refri- gas valve gerant charging vent. refrigerant charging 2. Connect the charging hose valve cap vent of piezometer to the refri- gerant charging vent of gas nut of refrigerant... -
Page 43: Check After Installation
Check after installation Items to be checked Possible malfunction The unit may drop, shake or emit noise. Have you done the refrigerant leakage test? (heating) capacity. It may cause condensation and water dripping. It may cause condensation and water Is water drained well? dripping. - Page 44 Configuration of connection pipe 1. Standard length of connection pipe ● 5m, 7.5m, 8m. 2.Min. length of connection pipe is 3m. 3.Max. length of connection pipe. Max length Max length Cooling Cooling of connec- of connec- capacity capacity tion pipe tion pipe 5000Btu/h 24000Btu/h...
- Page 45 Configuration of connection pipe Additional refrigerant charging amount for R22, R407C, R410A and R134a Diameter of connection pipe Outdoor unit throttle Liquid pipe(mm) Gas pipe(mm) Cooling only(g/m) Cooling and heating(g/m) Φ6 Φ9.52 or Φ12 Φ6 or Φ9.52 Φ16 or Φ19 Φ12 Φ19 or Φ22.2 Φ16...
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Page 46: Pipe Expanding Method
Pipe expanding method Note: Improper pipe expanding is the main cause of refrigerant leakage. Please expand the pipe according to the following steps: A: Cut the pipe E: Expand the port ● Expand the port with expander. the distance of indoor unit and hard outdoor unit. - Page 48 66129924019...
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Questions and answers
Where can I find a circuit board replacement part for my LI018CO-180P432 Lennox Wall-Mounted Split Type AC?
The manual does not provide specific information about where to find a circuit board replacement part for the Lennox LI018CO-180P432 wall-mounted split type AC. For replacement parts, contact Lennox customer support or an authorized Lennox dealer.
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