LG LP-K3060HL Service Manual ▷ View online
Dimensions
Indoor Unit
Air Outlet Vent
Remote Signal
Receptor
Receptor
Air Inlet Vent
Air Intake Vent
(Rear)
Air Outlet
Vent
INDOOR UNIT
OUTDOOR UNIT
HEAT
EXCHANGER
EXCHANGER
HEAT
EXCHANGER
EXCHANGER
COMPRESSOR
GAS SIDE
LIQUID SIDE
COOLING
HEATING
REVERSING
VALVE
VALVE
CHECK VALVE
CAPILLARY TUBE
CAPILLARY TUBE
BY PATH CAPILLARY TUBE
–7–
Outdoor Unit
Refrigeration Cycle Diagram
Wiring Diagram
(1) LP-K3060HL/HA/ZL/ZA
(2) LP-K3020HL/HA
WIRING DIAGRAM
OUTDOOR UNIT
INDOOR UNIT
*
HIDDEN LINE( - - - - - - - ) : FIELD WIRING
NOTE
BL
BK
BR
RD
BK
BR
RD
BLUE
BLACK
BROWN
RED
BLACK
BROWN
RED
:
:
:
:
:
:
:
OR
WH
YL
GN/YL
WH
YL
GN/YL
ORANGE
WHITE
YELLOW
GREEN/YELLOW
WHITE
YELLOW
GREEN/YELLOW
:
:
:
:
:
:
:
R
Y-COMP
R
Y-S/HIGH
R
Y-HIGH
RY
-MID
RY
-LO
OR
WH
BK
BL
RD
RY
-4W
AY
RY
-AIRC
RY
-EH
RY
-SYNC
CAPA
-CITOR
-CITOR
FUSE
CN-GND
(250V/3.15L)
POWER
SUPPLY
HEATER
SUPPLY
HEATER
SM
DISPLAY PCB ASM
MAIN PCB ASM
FAN
MOTOR
6
8
2
4
0
1
DOOR S/W
BK
WH
RD
WH
RD
HVB
ASM
ASM
CN1
CN2
DEF
TH
TH
EVAP
TH
ROOM
TH
TH
ROOM
TH
CN1
CN2
A/CL
UNIT
UNIT
RY-BIMETAL
RY-BIMETAL
RY-BIMETAL
ELECTRIC
HEATER
RY-BIMETAL
RY-BIMETAL
POWER
SUPPLY
SUPPLY
POWER
RELAY
TERMINAL
BLOCK
SUMP HEA
TER
COMP
FAN
MOTOR
BR
BK
BR
BR
BL
BL
BL
BR
WH
OR
OR
RD BL
C
S
R
BK
BK
BL
BL
BL
GN/YL
GN/YL
WH
4
6
6
5
3
2
4
3
1
BL
YL
HIGH PRESS
SWITCH
SWITCH
REVERSING
VALVE
VALVE
BK
BK
CAPACITOR
CAPACITOR
YL
BK
BL
BK
BK
BR
BR
RD
BR
BL
BL
WH
GN/YL
GN/YL
YL
BR
BR
BK
BR
PIPE TH
L1
L3
1
2
L2
4
2
8
6
1
0
FUSE(250V,5A)
FUSE(250V,5A)
1
(L
)
2
(N
)
INDOOR UNIT
OUTDOOR UNIT
DISPLAY
PCB ASM
PCB ASM
MAIN PCB ASM
RY-S/HIGH
R
Y
-AIRC
BK
CN-DISP(1)
CN-DISP(2)
CN1
CN2
ROOM
TH
DOOR S/W
BK RD
BK
WH
RD
HVB
ASM
A/CL
UNIT
OR
BR
YL
Cr
WH
BK
BL
RD
BL
RD
GN/YL
R
Y
-COMP
R
Y
-REVERSING
V
AL
VE
R
Y
-SYNC
(250V/3.15L)
SM
EVAP
TH
DIFFUSER
TH
RY-HIGH
RY-MID
RY-LO
RY-MID
RY-LO
RD
BL
GN/YL
WH
BK
BK
BR
BL
GN/YL
BL
BK
BK
FUSE
CN-GND
GN/YL
CIRCUIT DIAGRAM
FAN
MOTER
COMP.
POWER
RELAY
RELAY
POWER
INPUT
INPUT
HIDDEN LINE: FIELD WIRING
(CONNETING CABLE)
CAPACITOR
BR
BR
BL
BL
BR
BR
BL
BL
BL
TERMINAL
BLOCK(6P)
BLOCK(6P)
1
F1
F2
2
3
4
5
6
BL BK
BR
BL
BK
WH
BK
BK
BK
BK
YL
BK
BR
C
R
S
RD BL
OR
OR
YL
GN/YL
2
6
4
8
0
1
CAPACITOR
FAN
MOTOR
NOTE
BL
BK
BR
RD
OR
WH
YL
GN/YL:GREEN/YELLOW
BK
BR
RD
OR
WH
YL
GN/YL:GREEN/YELLOW
BLUE
BLACK
BROWN
RED
ORANGE
WHITE
YELLOW
BLACK
BROWN
RED
ORANGE
WHITE
YELLOW
:
:
:
:
:
:
:
:
:
:
:
:
:
L1 L2 L3
HIGH PRESS
SWITCH
TERMINAL
BLOCK
1
2
REVERSING
VALVE
–8–
–9–
(1) The function of main control
1. Time Delay Safety Control
ƒU
3min
¡ƒ
The compressor is ceased for 3 minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
ƒU
3sec
¡ƒ
The indoor fan is ceased for 3 seconds to prevent relay noise.
(Protection of fan relay and micro chip)
ƒU
30sec
¡ƒ
The 4-way valve is ceased for 30 sec. to prevent the refrigerant-gas abnormal noise when the Heating
operation is OFF or switched to the other operation mode.
operation is OFF or switched to the other operation mode.
2. Airflow Direction Control
ƒU
This function is to swing the louver left and right automatically and to set it at the desired position.
ƒU
The procedure is as the following.
1st : Press the ON/OFF Button to operate the product.
2nd : Press the Airflow Direction Control Button to swing the louver left and right automatically.
(Remote controller)
3rd : Repress the Airflow Direction Control Button to set the louver as the desired position.
(Remote controller)
3. Cooling Mode Operation
ƒU
When selecting the Cooling( ) Mode Operation, the unit will operate according to the setting by the
controller and the operation diagram is as following.
Intake Air temp.
Setting Temp. +1
°
C
(Compressor ON)
Setting Temp. -1
°
C
(Compressor OFF)
Indoor Fan Speed
Selecting
fan speed
Selecting
fan speed
Selecting
fan speed
Selecting
fan speed
Selecting
fan speed
3 minutes
More than
3 minutes
More than
Compressor
ON
OFF
ON
OFF
ON
Operation Details
4. Off Timer Function
This function is to set the time of stopping the unit operation.
The procedure is as the following.
1st: Press the timer set button on the Remocon.
2nd: The buzzer sounds and then the display window shows the Off-Time to be set as
- The Off-Time is shifted as the following by each press.
- If you select ' ', the Off-Timer function will be cancelled.
- During Off-Timer Operation, if you repress the timer set button, the rest time will be displayed.
- During Off-Timer Operation, if you repress the timer set button, the rest time will be displayed.
....
–10–
5. Heating Mode Operation
The unit will operate according to the setting by the remote controller and the operation diagram is shown as
following.
following.
Intake Air Temp.
Setting Temp.
(Compressor ON)
Setting Temp. -1
°
C
Indoor Fan Speed
Compressor
Electric Heater(Option)
ON
ON
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
Hot
Start
minimum
10sec.
minimum
10sec.
minimum
10sec.
minimum
10sec.
OFF
A
A
OFF
LOW
LOW
Setting Temp. +1
°
C
(Compressor OFF)
Selecting
fan speed
Selecting
fan speed
• A point: The indoor pipe temperature to be less then 35°C & Discharge air Temperature to be less than 29°C.
The indoor fan operates for minimum 10sec. even if falls lower than 34°C.
Low(
V
)
Stop(
VI
)
39˚C
Discharge Air Temp.
Indoor Pipe Temp.
34˚C
28˚C
26˚C
26˚C
Selecting Fan Speed(
IV
)
Low(
II
)
Stop(
I
)
(Hot-Start Operating)
Heating Start
(Hot-Start Release Point)
Selecting Fan Speed(
III
)
¡
During heating operation, the operating procedure of the indoor fan is as the following.
Step
Indoor fan speed
Pipe temp.
Air discharge temp.
¥
Off
¡´
28
¡£
C(Hot start operating)
-
¥–
Low
¡ˆ
28
¡£
C
< 39°C
¥†
Selecting speed
¡ˆ
28
¡£
C
≥
39°C
¥‡
Selecting speed
¡ˆ
28
¡£
C
> 34°C
¥·
Low
¡ˆ
26
¡£
C
≤
34°C
¥
Off
¡´
26
¡£
C
-
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