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Split Air Conditioner
Thank you for selecting LENNOX air conditioners.Please read this manual
carefully before operation and keep it for further reference.
OWNER'S MANUAL
LENNOX A I R C O N D I T I O N E R S
M O D E L :
LM018CI-115P432-1X
LM018CO-115P432-1X
LM024CI-115P432-1X
LM024CO-115P432-1X
LM012HI-115V432-1X
LM012HO-115V432-1X
LM012HI-115P432-1X
LM012HO-115P432-1X
LM018HI-115P432-1X
LM018HO-115P432-1X
LM024HI-115P432-1X
LM024HO-115P432-1X
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Table of Contents
Related Manuals for Lennox LM018CI-115P432-1X
Summary of Contents for Lennox LM018CI-115P432-1X
- Page 1 Split Air Conditioner OWNER'S MANUAL LENNOX A I R C O N D I T I O N E R S M O D E L : LM018CI-115P432-1X LM018CO-115P432-1X LM024CI-115P432-1X LM024CO-115P432-1X LM012HI-115V432-1X LM012HO-115V432-1X LM012HI-115P432-1X LM012HO-115P432-1X LM018HI-115P432-1X LM018HO-115P432-1X LM024HI-115P432-1X LM024HO-115P432-1X 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......................6 Screen Operation Guide Buttons on remote controller .................8 Introduction for icons on display screen..............8 Introduction for buttons on remote controller ............9 Function introduction for combination buttons .............12 Operation guide ....................13 Replacement of batteries in remote controller .............13 Emergency operation .................. - Page 5 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 6: 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 7 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 8 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 9 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 10 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.
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Page 11: Parts Name
Parts Name Indoor Unit air inlet panel aux.button horizontal louver air outlet (Display content or position may be different from above graphics, please refer to actual products) remote controller Outdoor Unit air inlet Connection wire air outlet NOTICE: Actual product may be different from above graphics, please refer to actual products. - Page 12 Parts Name Display For some models: temp. For some models: indicator heating cooling power receiver indicator indicator indicator window display cooling indicator receiver power window indicator heating temp. drying display drying indicator indicator indicator indicator For some models: For some models: drying indicator heating...
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Page 13: Buttons On Remote Controller
Buttons on remote controller ON/OFF button ▲ button MODE button SWING button button FAN button TIMER OFF button CLOCK button TIMER ON button SLEEP button TEMP button TURBO button X-FAN button I FEEL button button Introduction for icons on display screen Set fan speed I feel Send signal... -
Page 14: 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 15 Introduction for buttons on remote controller indicates the guide louver swings as: button Press this button to decrease set temperature. Holding it down above 2 seconds rapidly decreases set temperature. In AUTO mode, set temperature is not adjustable. FAN button This button is used for setting Fan Speed in the sequence that goes from AUTO, , to , then back to Auto.
- Page 16 Introduction for buttons on remote controller on indoor unit’s display. The setting on remote controller is selected circularly as below: no display When selecting " " with remote controller or no display, temperature indicator on indoor unit displays set temperature; When selecting " "...
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Page 17: Function Introduction For Combination Buttons
Function introduction for combination buttons Combination of " " and " " buttons: About lock ▲ Press "▲" and " " buttons simultaneously to lock or unlock the keypad. If the remote controller is locked, is displayed. In this case, pressing any button, blinks three times. -
Page 18: 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 19: Emergency Operation
Emergency operation l l o turn off the air conditioner. The operation in details is as below: air conditioner. When the air conditioner is turned on, it will operate under auto mode. panel aux. button WARNING: Use insulated object to press the auto button Clean and Maintenance WARNING ■... - Page 20 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 operation environment, clean frequency can be increased.
- Page 21 Clean and Maintenance NOTICE: Checking before use-season 1. Check whether air inlets and air outlets are blocked. 2. Check whether air switch, plug and socket are in good condition. 4. Check whether mounting bracket for outdoor unit is damaged or corroded. If yes, please contact dealer.
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Page 22: 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 23 Malfunction analysis Phenomenon Check items Solution ● Power failure? ● Wait until power recovery. ● Is plug loose? ● Reinsert the plug. ● Air switch trips off or fuse is ● Ask professional to replace burnt out? air switch or fuse. Air condit- ●...
- Page 24 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 conditio- such as thunder, wireless power, and then turn on the ner operates...
- Page 25 Malfunction analysis Error Code ● When air conditioner status is abnormal, temperature indicator 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 26: Installation Dimension Diagram
Installation dimension diagram Space to the wall At least 15cm At least 15cm Space to the wall Drainage pipe... -
Page 27: 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 28: 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 29: Requirements For Electric Connection
Requirements for electric connection Safety precaution 1. Must follow the electric safety regulations when installing the unit. air switch. 3. Make sure the power supply matches with the requirement of air conditioner. Unstable power supply or incorrect wiring or malfunction. Please install proper power supply cables before using the air conditioner. -
Page 30: 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 31 Installation of indoor unit Indoor outdoor Note: ● Pay attention to dust prevention and take relevant safety measures when Φ55/ opening the hole. 5-10 Φ70 ● The plastic expansion particles are not provided and should be bought locally. Step four: outlet pipe 1.
- Page 32 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 33 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 according to the color;...
- Page 34 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.
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Page 35: Installation Of Outdoor Unit
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. Make sure the support can withstand at least four times of the unit weight. - Page 36 Installation of outdoor unit Step four: connect indoor and outdoor pipes 1. Remove the screw on the right han- 3. Pretighten the union nut with dle of outdoor unit and then remove hand. the handle. pipe joint screw union nut handle 2.
- Page 37 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.
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Page 38: 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 ho- valve cap vent se of piezometer to the refrigerant charging vent nut of refrigerant... -
Page 39: 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 40: Configuration Of Connection Pipe
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 of connection pipe Unit: m Max. length Max. length Cooling Cooling of connec- of connec- capacity capacity... - Page 41 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 42: 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 ● Confirm the pipe length according to ● Expand the port with expander. the distance of indoor unit and hard outdoor unit. - Page 44 66129933713...