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Lennox LM012CI-120P432-X, Owner'S Manual, Page: 8 / 44

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Lennox LM012CI-120P432-X Owner'S Manual Download Page 8

Precautions

Working temperature range

Indoor side DB/WB(

℃

)

Outdoor side DB/WB(

℃

)

Maximum cooling

32/23

48/30

Maximum heating

27/-

24/18

●

The operating temperature range (outdoor temperature) for cooling only unit is

5

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. 

Otherwise, it may cause personal injury or damage.
Select a location which is out of reach for children and 

far away from animals or plants.If it is unavoidable, 

please add the fence for safety purpose.
The indoor unit should be installed close to the wall. 
Instructions for installation and use of this product are 

provided by the manufacturer.

NOTICE:

   18

℃

~ 48

℃

; for heat pump unit is -7

℃

~ 48

℃

.

Summary of Contents for LM012CI-120P432-X

Page 1: ...eep it for further reference OWNER S MANUAL LENNOX AIR CONDITIONERS MODEL LM012CI 120V432 X LM012CO 120V432 X LM012CI 120P432 X LM012CO 120P432 X LM018CI 120P432 X LM018CO 120P432 X LM024CI 120P432 X...

Page 2: ...s Precautions 1 Parts Name 6 Screen Operation Guide Buttons on remote controller 8 Introduction for icons on display screen Introduction for buttons on remote controller 9 Function introduction for co...

Page 3: ...components that produced by other manufacturers 6 After verification the problem or dispute is caused by the quality specification or majeure 7 The damage is caused by natural calamities bad using en...

Page 4: ...pliance Cleaning and user maintenance shall not be made by children without supervision years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowl...

Page 5: ...amage Precautions WARNING conditioner and disconnect power immediately and then If the air conditioner operates under abnormal conditions it may cause malfunction electric shock or fire hazard Do not...

Page 6: ...les before using the air conditioner An all pole disconnection switch having a contact separation Must follow the electric safety regulations when installing the unit grounding wire of power socket Pr...

Page 7: ...nnected by a professional national wiring regulations requirement of NEC and CEC by authorized personnel only Precautions WARNING wire which can t be used for other purposes The grounding resistance s...

Page 8: ...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 Otherwise it may cause personal injury o...

Page 9: ...or position may be different from above graphics please refer to actual products air inlet Connection wire air outlet 6 NOTICE Actual product may be different from above graphics please refer to actua...

Page 10: ...model For some model heating indicator temp indicator cooling indicator power indicator receiver window drying indicator display G W R Power LED color indicator Green status ON Red status OFF Mode LED...

Page 11: ...de 8 heating function Set temperature Set time TIMER ON TIMER OFF Child lock Up down swing Set fan speed ventilation operation Light Temp display type Set temp Outdoor ambient temp Indoor ambient temp...

Page 12: ...turn off the unit Press this button to increase set temperature Holding it down above 2 seconds rapidly increases set temperature In AUTO mode set temperature is not adjustable MODE button 3 Each time...

Page 13: ...to ON timer To cancel the auto timer program simply press this button again After press of this button disappears and ON blinks 00 00 is displayed for ON time setting Within 5 seconds press or button...

Page 14: ...igh fan speed Caution This model hasn t outdoor ambient temperature display function While remote controller can operate and indoor unit displays set temperature It s defaulted to display set temperat...

Page 15: ...energy saving function Nixie tube on the remote controller displays and a selected temperature of 8 46 if Fahrenheit is adopted Repeat the operation to quit the function Combination of TEMP and CLOCK...

Page 16: ...t The distance between signal sender and receiving window should be no more than 8m and there should be no obstacles between them or wireless telephone remote controller should be close to indoor unit...

Page 17: ...r conditioner The operation in details are as below 1 Clean and maintenance Turn off the air conditioner and disconnect the power before cleaning the air conditioner to avoid electric shock Do not was...

Page 18: ...n 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 operation environment clean fre...

Page 19: ...pipe is damaged 1 Disconnect power supply 3 Check whether mounting bracket for outdoor unit is damaged or corroded If yes please contact dealer Notice for recovery 1 Many packing materials are recycl...

Page 20: ...nsert the plug after about 3min and then turn on the unit again Signal receiving range is 8m Remove obstacles Select proper angle and point the remote controller at the re ceiving window on indoor uni...

Page 21: ...t Indoor temperature and hum idity is high Because indoor air is cooled rapidly After a while indoor temperature and humidity will be decrease and mist will disappear Phenomenon Check items Solution S...

Page 22: ...Heating mode is turned on During defrosting under he ating mode it may generate vapor which is a normal phenomenon Water noise Air conditioner is turned on or turned off just now The noise is the sou...

Page 23: ...please It can be eliminated after restarting the unit If not please It can be eliminated after restarting the unit If not please F0 Error Code When air conditioner status is abnormal temperature indi...

Page 24: ...ast 50cm At least 30cm At least 300cm At least 200cm Space to the obstruction Space to the obstruction Space to the obstruction Space to the ceiling Space to the obstruction Space to the obstruction A...

Page 25: ...make sure that liquid valve and gas valve are fully closed and power is disconnected before detaching the connection pipe If compressor starts running when stop valve is open and connection pipe is n...

Page 26: ...of installation dimension diagram Select a location which is out of reach for children and far away from animals or plants If it is unavoidable please add the fence for safety purpose 5 2 Tools for i...

Page 27: ...uding an air switch with suitable capacity please note the following table Air switch should be included magnet buckle and heating buckle function it can protect the circuit short and overload Caution...

Page 28: ...ping hole on the wall slightly downward to the outdoor side with the gradient of 5 10 25 Choose the position of piping hole according to the direction of outlet pipe The position of piping hole should...

Page 29: ...g out the pipe from left or right please cut off the corresponding hole on the bottom case cut off the hole left right 1 The pipe can be led out in the direction of right rear right left or rear left...

Page 30: ...ndoor The plastic expansion particles are 1 drain hose in order to prevent condensation Open the panel remove the screw on the wiring cover and then take down the cover Step seven connect wire of indo...

Page 31: ...ighten the screw wire Note installation For the air conditioner without plug an air switch must be installed in the line The air switch should be all pole parting and the contact parting distance shou...

Page 32: ...arately at the end Note The power cord and control wire can t be crossed or winding The drain hose should be bound at the bottom drain hose band connection pipe indoor power cord Step nine hang the in...

Page 33: ...t 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 scr...

Page 34: ...0 N m 30 40 45 55 60 65 70 75 liquid Hex nut diameter Tightening torque valve 6 9 52 12 16 19 3 Remove the screw on the right han dle of outdoor unit and then remove the handle Installation of outdoor...

Page 35: ...outlet pipe hole of indoor unit Slant the drain hose slightly dow nwards The drain hose can t be The water outlet can t be placed in water in order to drain smoothly Installation of outdoor unit U sh...

Page 36: ...f the pressure decreases there may be leakage 5 Remove the piezometer open the valve core of liquid valve and gas valve completely with inner hexagon spanner 6 Tighten the screw caps of valves and ref...

Page 37: ...damaging the parts Is there any obstruction in the air inlet Is the inlet and outlet of piping hole been covered and outlet heating capacity The dust and sundries caused during installation are remov...

Page 38: ...according to the requirement as shown in the table The additional refrigerant charging amount per meter is different according to the diameter of liquid pipe See the following sheet Additional refrig...

Page 39: ...Diameter of connection pipe Liquid pipe mm Gas pipe mm 6 6 or 9 52 12 16 19 22 2 9 52 or 12 16 or 19 19 or 22 2 25 4 or 31 8 _ _ Cooling only g m Cooling and heating g m 15 15 30 60 250 250 350 350 12...

Page 40: ...ease refer to the sheet below Outer diameter mm 6 6 35 1 4 9 52 3 8 12 12 7 1 2 15 8 16 5 8 F Inspection A mm Max union pipe leaning damaged surface crack uneven thickness If there is any blemish expa...

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