LG LV-B1861CL / LV-B1861HL / LV-B1864CL / LV-B1864HL / LV-B2461CL / LV-B2461HL / LV-B2464CL / LV-B2464HL Service Manual ▷ View online
5. Auto Operation
• The operation procedure is as following. (Cooling & Heating Model)
If initial mode is decided, that mode is continued without the room temperature changing.
For cooling operation mode over 24°C setting temperature and fan speed are same as cooling only model.
For cooling operation mode over 24°C setting temperature and fan speed are same as cooling only model.
• Auto Operation for Cooling. (Cooling only Model)
–15–
Press Start/Stop Button
Select Auto Operation Mode
Check the Room temperature
Operation mode
Indoor fan speed
are automatically decided by Fuzzy rule.
Setting temperature
Intake-air
temperature
Operation Mode
Heating
Soft Dry
Cooling
Operation Condition
Intake-air Temperature
Setting temperature
Fan speed
Air Direction Control
Over 26°C
25°C
Over 24°C~below 26°C
Intake air -1°C
Over 22°C~below 24°C
Intake air -0.5°C
Over 20°C~below 22°C intake air temperture
below 20°C
20°C
Over 20°C~below 30°C
Fuzzy control
below 20°C
20°C
over 30°C
30°C
below 21°C
below
24°C
~
Over 24°C
Over
21°C
When Auto Operation
initial start
When pressing room temp-
erature setting button
during Auto Operation
Controlled
by Fuzzy logic
In this mode, when
pressing the verti-
cal air diretion con-
trol.
Button, louvers
moves to 1/f
rhythm (refer to
page 17)
pressing the verti-
cal air diretion con-
trol.
Button, louvers
moves to 1/f
rhythm (refer to
page 17)
Intake-Air temp
Setting Temp. +0.5°C
(Compressor OFF)
(Compressor OFF)
Setting Temp.-0.5°C
(Compressor ON)
(Compressor ON)
Indoor Fan
Compressor
ON
ON
OFF
OFF
Fuzzy Speed
• Auto Operation for Soft Dry
The Setting temperature will be same as that of the current intake-air temperature.
- Compressor ON temperature; Setting temperature +1°C
- Compressor OFF temperature; Setting temperature -0.5°C
- Compressor OFF temperature; Setting temperature -0.5°C
• Auto Operation for Heating.
- Compressor ON temperature; Setting temperature
- Compressor OFF temperature; Setting temperature +3°C
- Compressor OFF temperature; Setting temperature +3°C
• 1/f rhythm louver operation : In Auto operation mode, when pressing the vertical air direction control button, lou-
ver moves as following cycle.
–16–
Intake Air temp.
below 20°C
over 20
~below 21°C
Setting temp.
20°C
Intake air temp. +0.5°C
21.5°C
20°C
20°C
Intake-Air temp.
Setting temp.
20.5°C
21°C
MODE0
MODE1
MODE2
MODE3
MODE4
MODE5
MODE6
MODE9
(CLOSED)
End
Start
6. Natural wind by CHAOS logic
–17–
For more fresh feeling than other fan speed mode, press
the indoor fan Speed Selector and set to CHAOS mode.
In this mode, the wind blows like natural breeze by auto-
matically changing fan speed according to the CHAOS
logic.
the indoor fan Speed Selector and set to CHAOS mode.
In this mode, the wind blows like natural breeze by auto-
matically changing fan speed according to the CHAOS
logic.
Intake Air temp.
OUTDOOR FAN/COMP.
INDOOR FAN
: Setting fan speed
: LOW
Cooling on temp.
(Setting temp.+0.5)
Setting CHAOS Natural wind
Setting temp.
Cooling off temp.
(Setting temp.-0.5)
: CHAOS Natural wind
: COMP ON
: COMP OFF
GRAPH of Natural wind by the CHAOS logis (During Cooling operation)
Intake Air temp.
30sec
OUTDOOR FAN/COMP.
INDOOR FAN
: Setting fan speed
: LOW
Heating off temp.
(Setting temp.+3.0)
Setting CHAOS Natural wind
Heating on temp.
(Setting temp.)
: CHAOS Natural wind
: COMP ON
: COMP OFF
GRAPH of Natural wind by the CHAOS logis (During Heating operation)
LOW OR STOP
–18–
7. Heating Mode Operation
The unit will operate according to the setting by the remote controller and the operation diagram is shown as
following.
following.
• For Heating Model
INDOOR FAN
4-WAY VALVE
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON
26
°
C
28
°
C
Indoor piping temp.
Intake Air temp.
Setting temp. +3.0˚C
(Compressor OFF)
Setting temp.
(Compressor ON)
minimum
1min.
minimum
3min.
Fan
Stops
Low
Fan
Low Fan
Low Fan
Fan Stop
Selected Fan
Selected
Fan
Low
Fan
Selected
Fan
minimum
3min.
minimum
30sec.
minimum
1min.
OUTDOOR FAN
COMPRESSOR
8. Hot-Start Control
• The indoor fan stops until the evaporator piping temperature will be reached to 28
.
• During heating operation, if piping temperatures falls below 26°C fan stops.
• The operation diagram is as following.
PIPING
TEMPERATURE
TEMPERATURE
1min
COMPRESSOR
INDOOR FAN
ON
: Selected Fan
: Low Fan
: Fan Stop
28
°
C
(22˚C)
26
°
C
(20˚C)
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