LG LB-D1861 / LB-D2461 / LB-F3061 / LB-F3661 / LB-F3681 / LB-F4261 / LB-E4881 / LB-E6081 / LB-E6084_HL_CL_HP_CP Service Manual ▷ View online
Functions
Indoor Unit
Operation ON/OFF by Remote controller
Sensing the Room Temperature
Room temperature control
Starting Current Control
Time Delay Safety Control
Indoor Fan Speed Control
Soft Dry Operation Mode
Auto Operation(Auto Change Over)
Deice (defrost) control (Heating)
Auto Restart
–3–
Hot-start Control (Heating)
• The indoor fan stops until the evaporator piping tempera-
ture will be reached at 28°C.
High head height Drain pump(Optional)
• A standard drain-head height of up to 700mm is possible.
Central Control(Optional)
• It is operating individually or totally by central control function.
Group Control(Optional Wiring)
• Each controller can control 16 units and 8 controllers can connect.
• It operates maximum 16 units by only one wired remote con-
• It operates maximum 16 units by only one wired remote con-
troller and each unit starts random to prevent overcurrent.
• Room temperature sensor. (Thermistor)
• Maintains the room temperature in accordance with the Setting Temp.
• Indoor fan is delayed for 5 seconds at the starting.
• Restarting is inhibited for approx. 3 minutes.
• High, Med, Low
• Intermittent operation of fan at low speed.
• Although the air-conditioner is turned off by a power failure, it is restarted automati-
cally previous operation mode after power supply.
• The setting temperature and desired operation mode are auto-
matically set by fuzzy rule.
• Both the indoor and outdoor fan stops during defrosting.
• Hot start after defrost ends.
• Hot start after defrost ends.
–4–
Remote Controller
Operation ON/OFF
Operation Mode Selection
Fan Speed Selection
Room Temperature Display
Temperature Setting
Setting the Timer
Weekly Program
(Cooling
model only)
(Heating
model only)
(Low)
(Med)
(High)
Cooling Operation Mode ( )
Heating Operation Mode ( )
Heating Operation Mode ( )
Auto Operation Mode ( )
Soft Dry Operation Mode ( )
Fan Operation Mode
HI
AUTO
MED
LO
Program
Holiday
SET/CLR
Min
Hour
Week
Timer
Cancel
Timer
Cancel
(Except LB-E6084HL)
: High:39°C
↔
LOW:11°C
: Fan Operates without cooling & heating
Cooling
Heating
Down to 18°C
Up to 30°C
Up to 30°C
Down to 16°C
Up to 30°C
Up to 30°C
Product Specifications (Cooling & Heating)
–5–
Power Source
Ø, V, Hz"
Cooling
Capacity
kcal/h(BTU/h)
W
Input
W
Heating
Capacity
kcal/h(BTU/h)
W
Input
W
Rated Load Amp.
Cooling
A
Heating
A
Air Volumn
Cooling(H/M/L)
CMM(m
3
/min)
Heating(H/M/L)
Refrigerant(R-22)
g
Drain Hose
In. Dia
mm
Main Cable
No. X mm
2
Connecting Cable
Remote Control Type
Refigerant Control Type
Fuction
Soft Dry
Timer
Self Diagnosis
Deice Operation
Hot Start
Zone Control(Optional)
Central Control(Optional)
Group Control(Optional wiring)
Weekly Programning
Thermistor
Drain Pump(Optional)
Auto changeover(Auto Operation: CL)
Stand-by Consumption 0
Connecting Pipe
Liquid
Inch
Gas
(mm)
Dimension
Indoor
mm
Outdoor
(WxDxH)
Net
Indoor
Kg
Weight
Outdoor
1, 220-240, 50
1, 220-240, 50
1, 220-240, 50
1, 220-240, 50
4,536(18,000)
4,536(18,000)
6,048(24,000)
6,048(24,000)
5,274
5,274
7,033
7,033
1,950 2,050
2,600 2,800
4,536(18,000)
-
6,048(24,000)
-
5,274
-
7,033
-
1,900
-
2,500
-
9.4
9.5
12
13
9.0
-
11
-
16.5/14.5/12.5
16.5/14.5/12.5
16.5/14.5/12.5
16.5/14.5/12.5
16.5/14.5/12.5
-
16.5/14.5/12.5
-
1,900 1,400 2,270 1,500
22.6
22.6
22.6
22.6
3*2.5
3*2.5
3*2.5
3*2.5
6*0.75
4*0.75
6*0.75
4*0.75
L.C.D Wired
L.C.D Wired
L.C.D Wired
L.C.D Wired
Capillary type
Capillary type
Capillary type
Capillary type
Yes
Yes
Yes
Yes
24 Hours On/Off
24 Hours On/Off
24 Hours On/Off
24 Hours On/Off
Yes
Yes
Yes
Yes
Yes
-
Yes
-
Yes
-
Yes
-
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Optional
Optional
Optional
Optional
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
1/4(6.35)
1/4(6.35)
1/4(6.35)
1/4(6.35)
5/8(15.88)
5/8(15.88)
5/8(15.88)
5/8(15.88)
880*575*281
880*575*281
880*575*281
880*575*281
870*320*655
870*320*655
870*320*655
870*320*655
42
42
42
42
57
55
60
57
Model
LB-D1861HL/HP
LB-D1861CL/CP
LB-D2461HL/HP
LB-D2461CL/CP
–6–
Power Source
Ø, V, Hz"
Cooling
Capacity
kcal/h(BTU/h)
W
Input
W
Heating
Capacity
kcal/h(BTU/h)
W
Input
W
Rated Load Amp.
Cooling
A
Heating
A
Air Volumn
Cooling(H/M/L)
CMM(m
3
/min)
Heating(H/M/L)
Refrigerant(R-22)
g
Drain Hose
In. Dia
mm
Main Cable
No. X mm
2
Connecting Cable
Remote Control Type
Refigerant Control Type
Fuction
Soft Dry
Timer
Self Diagnosis
Deice Operation
Hot Start
Zone Control(Optional)
Central Control(Optional)
Group Control(Optional wiring)
Weekly Programning
Thermistor
Drain Pump(Optional)
Auto changeover(Auto Operation: CL)
Stand-by Consumption 0
Connecting Pipe
Liquid
Inch
Gas
(mm)
Dimension
Indoor
mm
Outdoor
(WxDxH)
Net
Indoor
Kg
Weight
Outdoor
1, 220-240, 50
1, 220-240, 50
1, 220-240, 50
3, 380-415, 50
7,560(30,000)
9,072(36,000)
9,072(36,000)
9,072(36,000)
8,790
10,548
10,548
10,548
3,000
4,400
4,400
4,000
7,560(30,000)
9,072(36,000)
-
9,072(36,000)
8,790
10,548
-
10,548
2,500
3,600
-
3,400
14
20
20
8
12
20
-
7
28/27/25
28/27/25
28/27/25
28/27/25
28/27/25
28/27/25
-
28/27/25
2,600
2,850
2,850
2,800
22.6
22.6
22.6
22.6
3*3.5
3*5.5
3*5.5
4*2.5
5*1.25
5*1.25
4*1.25
5*1.25
L.C.D Wired
L.C.D Wired
L.C.D Wired
L.C.D Wired
Capillary type
Capillary type
Capillary type
Capillary type
Yes
Yes
Yes
Yes
24 Hours On/Off
24 Hours On/Off
24 Hours On/Off
24 Hours On/Off
Yes
Yes
Yes
Yes
Yes
Yes
-
Yes
Yes
Yes
-
Yes
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Optional
Optional
Optional
Optional
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
3/8(9.52)
3/8(9.52)
3/8(9.52)
3/8(9.52)
5/8(15.88)
5/8(15.88)
5/8(15.88)
5/8(15.88)
1180*600*298
1180*600*298
1180*600*298
1180*600*298
870*320*800
790*320*965
790*320*965
790*320*965
46
46
46
46
55
78
78
78
Model
LB-F3061HL/HP
LB-F3661HL/HP
LB-F3661CL/CP
LB-F3681HL/HP
