DOWNLOAD LG LM-2164H2L Service Manual ↓ Size: 6.06 MB | Pages: 100 in PDF or view online for FREE

Model
LM-2164H2L
Pages
100
Size
6.06 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lm-2164h2l.zip
Date

LG LM-2164H2L Service Manual ▷ View online

-31-
2) Fuzzy Operation for Dehumidification
• According to the setting temperature selected by Fuzzy rule, when the intake air temp is 0.5°C or more below
the setting temp, the compressor is turned off.  When 0.5°C or more above the setting temp, the compressor
is turned on.
Compressor ON Temp 
Setting Temp + 0.5°C
Compressor OFF Temp 
Setting Temp+0.5°C
• At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the
intake air temp at that time.
26°C 
Intake Air Temp 
25°C
24°C 
Intake Air Temp<26°C 
Intake Air Temp+1°C
22°C 
Intake Air Temp<24°C 
➲ 
Intake Air Temp+0.5°C
18°C 
Intake Air Temp<22°C 
Intake Air Temp
Intake Air Temp<18°C    
18°C
• When the Fuzzy key (Temperature Control key) is input after the initial setting temperature is selected, the
Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature
automatically according to the Fuzzy rule.
• While in Fuzzy operation, the airflow speed of the indoor fan repeats the low airflow speed or pause as in
dehumidification operation.
3) Fuzzy Operation for Heating
• According to the setting temperature selected by Fuzzy rule, when the intake air temp is 3°C or more above
the setting temp, the compressor is turned off.  When below the setting temp, the compressor is turned on.
Compressor ON Temp 
Setting Temp
Compressor OFF Temp 
Setting Temp + 3°C
• At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the
intake air temp at that time.
20°C
Intake Air Temp 
Intake Air Temp + 0.5°C
Intake Air Temp<20°C 
20°C
• When the Fuzzy key (Temperature Control key) is input after the initial setting temperature is selected, the
Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature
automatically according to the Fuzzy rule.
• While in Fuzzy operation, the airflow speed of the indoor fan is set to the high or the medium according to the
intake air temperature and the setting temperature.
■ 
Airflow Speed Selection
• The airflow speed of the indoor fan is set to high, medium, low, or chaos (auto) by the input of the airflow
speed selection key on the remote control.
On-Timer Operation
• When the set time is reached after the time is input by the remote control, the appliance starts to operate.
• The timer LED is on when the on-timer is input.  It is off when the time set by the timer is reached.
• If the appliance is operating at the time set by the timer, the operation continues.
-32-
■ 
Off-Timer Operation
• When the set time is reached after the time is input by the remote control, the appliance stops operating.
• The timer LED is on when the off-timer is input.  It is off when the time set by the timer is reached.
• If the appliance is on pause at the time set by the timer, the pause continues.
■ 
Off-Timer <=> On-Timer Operation
• When the set time is reached after the on/off time is input by the remote control, the on/off-timer operation is
carried out according to the set time.
■ 
Sleep Timer Operation
• When the sleep time is reached after <1,2,3,4,5,6,7,0(cancel) hr> is input by the remote control while in appli-
ance operation,  the operation of the appliance stops.
• While the appliance is on pause, the sleep timer mode cannot be input.
• While in cooling mode operation, 30 min later since the start of the sleep timer, the setting temperature
increases by 1°C.  After another 30 min elapse, it increases by 1°C again.
• When the sleep timer mode is input while in cooling cycle mode, the airflow speed of the indoor fan is set to
the low.
• When the sleep timer mode is input while in heating cycle mode, the airflow speed of the indoor fan is set to
the medium.
■ 
Chaos Swing Mode
• By the Chaos Swing key input, the upper/lower vane automatically operates with the Chaos Swing or they are
fixed to the desired direction.
• While in Chaos Swing mode, the angles of cooling and heating cycle operations are different.
■ 
Chaos Natural Wind Mode
• When the Chaos Natural Wind mode is selected and then operated, the high, medium, or low speed of the air-
flow mode is operated for 2~15 sec. randomly by the Chaos Simulation.
■ 
Jet Cool Mode Operation (C/O Model)
• If the Jet Cool key is input at any operation mode while in appliance operation, the Jet Cool mode operates.
• In the Jet Cool mode, the indoor fan is operated at super-high speed for 30 min at cooling mode operation.
• In the Jet Cool mode operation, the room temperature is controlled to the setting temperature, 18°C
• When the sleep timer mode is input while in the Jet Cool mode operation, the Jet Cool mode has the priority.
• When the Jet Cool key is input, the upper/lower vanes are reset to those of the initial cooling mode and then
operated in order that the air outflow could reach further.
■ 
Jet Cool Mode Operation (H/P Model)
• While in heating mode or Fuzzy operation, the Jet Cool key cannot be input.  When it is input while in the other
mode operation (cooling, dehumidification, ventilation), the Jet Cool mode is operated.
• In the Jet Cool mode, the indoor fan is operated at super-high speed for 30 min at cooling mode operation.
• In the Jet Cool mode operation, the room temperature is controlled to the setting temperature, 18°C.
• When the sleep timer mode is input while in the Jet Cool mode operation, the Jet Cool mode has the priority.
• When the Jet Cool key is input, the upper/lower vanes are reset to those of the initial cooling mode and then
operated in order that the air outflow could reach further.
-33-
■ 
Auto Restarting Operation
• When the power is restored after a sudden power failure while in appliance operation, the mode before the
power failure is kept on the memory and the appliance automatically operates in the mode on the memory.
• The slide switch on the main unit of the appliance should be on the Auto Restarting position in order that the
Auto Restarting operation is available.
• Operation Mode that is kept on the memory
- State of Operation ON/OFF
- Operation Mode/Setting Temp/Selected Airflow Speed
- Sleep Timer Mode/Remaining Time of Sleep Timer (unit of hour)
• If no input by the remote control or no switching of the slide switch within 7 hr after the appliance operates by
the Auto Restarting operation, the appliance is forced to stop at the moment of 7-hr elapse.
Slide Switch
FORCED
OPERATION
AUTO
RESTART
REMOTE
CONTROL
Forced Operation (C/O Model)
• To operate the appliance by force in case that the remote control is lost, the forced operation selection switch
is on the main unit of the appliance to operate the appliance in the standard conditions.
• When the power is supplied while the slide switch is on the forced operation position, or when the slide switch
position is switched to the Auto Restarting position (or test operation) or switched from the remote control posi-
tion to the forced operation position while the power is on, the forced operation is carried out.
• When the slide switch position is switched from the forced operation position to the Auto Restarting position or
the remote control position, the forced operation is canceled and the appliance stops operating.
• The forced operation is carried out in cooling mode with the setting temperature 22°C and the high speed of
airflow.
• While in forced operation, the key input by the remote control has no effect and the buzzer sounds 10 times to
indicate the forced operation.(only LM-1460C2L/M, LM-1723C2L/M, LM-1963C2L/M, LM-2163C2L/M)
Forced Operation (H/P Model)
• To operate the appliance by force in case that the remote control is lost, the forced operation selection switch
is on the main unit of the appliance to operate the appliance in the standard conditions.
• When the power is supplied while the slide switch is on the forced operation position, or when the slide switch
position is switched to the Auto Restarting (or test operation) position or switched from the remote control posi-
tion to the forced operation position while the power is on, the forced operation is carried out.
• When the slide switch position is switched from the forced operation position to the Auto Restarting position or
the remote control position, the forced operation is canceled and the appliance stops operating.
• The forced operation is carried out in cooling mode with the setting temperature 22°C and the high speed of airflow.
• In the forced operation mode, the indoor fan is operated at low speed for around 15 sec and then the operation
condition is set according to the intake air temperature as follows.
24°C
Intake Air Temp     
Cooling Mode Operation, 22°C, High Speed
21°C
Intake Air Temp<24°C 
Dehumidification Operation, 23°C, High Speed
Intake Air Temp<21°C       
Heating Mode Operation, 24°C, High Speed
• While in forced operation, the key input by the remote control has no effect and the buzzer sounds 10 times to
indicate the forced operation. (only LM-1460C2L/M, LM-1723C2L/M, LM-1963C2L/M, LM-2163C2L/M)
-34-
Remote Control Operation Mode
• When the remote control is selected by the slide switch on the main unit, the appliance operates according to
the input by the remote control.
Protection of the evaporator pipe from frosting
• If the indoor pipe temp is below 0°C in 7 min. after the compressor operates without any pause while in cool-
ing cycle operation mode, the compressor and the outdoor fan are turned off in order to protect the indoor
evaporator pipe from frosting.
• When the indoor pipe temp is 7°C or higher after 3 min. pause of the compressor, the compressor and the
outdoor fan is turned on according to the condition of the room temperature.
Buzzer Sounding Operation
• When the appliance-operation key is input by the remote control, the short "beep-beep-" sounds.
• When the appliance-pause key is input by the remote control, the long "beep—" sounds.
• When a key is input by the remote control while the slide switch on the main unit of the appliance is on the
forced operation position, the error sound "beep-beep-beep-beep-beep-" is made 10 times to indicate that the
remote control signal cannot be received.
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