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Model
LP-K3063ZA
Pages
52
Size
2.01 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lp-k3063za.zip
Date
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LG LP-K3063ZA Service Manual ▷ View online

–11–
(6) LP-K3023CA/CL/CM/AA
INDOOR UNIT
OUTDOOR UNIT
DISPLAY
PCB ASM
MAIN PCB ASM
RY-S/HIGH
R
Y
-AIRC
BK
CN-DISP(1)
CN1
ROOM
TH
DOOR S/W
BK RD
BK
WH
RD
HVB
ASM
A/CL
UNIT
OR
BR
YL
Cr
WH
BK
BL
RD
GN/YL
R
Y
-COMP
R
Y
-REVERSING
VA
LV
E
R
Y
-SYNC
(250V/3.15L)
SM
EVAP
TH
RY-HIGH
RY-MID
RY-LO
RD
BL
GN/YL
BL
BR
FUSE
P/No.; 3854A20172C
 CIRCUIT DIAGRAM
FAN
MOTER
COMP.
POWER
RELAY
POWER
INPUT
HIDDEN LINE: FIELD WIRING
CAPACITOR 
BR
BL
BL
BR
BR
BL
BL
TERMINAL
BLOCK(6P) 
1
F1
F2
2
3
4
5
6
BR
BL
BK
WH
BK
BK
BK
YL
BK
BR
C
R
S
RD BL
OR
OR
YL
2
6
4
8
0
1
CAPACITOR 
FAN
MOTOR
NOTE
BL
BK
BR
RD
OR
WH
YL
GN/YL: GREEN/YELLOW
           : OPTIONAL PARTS
BLUE
BLACK
BROWN
RED
ORANGE
WHITE
YELLOW
:
:
:
:
:
:
:
L1 L2 L3
HIGH PRESS
SWITCH
T/B2
REVERSING
VALVE
DEICER
P.C.B
OR
BK
HA
(AIR CLEANER 
 MODEL
 ONLY)
3
4
5
6
T/B1
INDOOR UNIT
OUTDOOR UNIT
DISPLAY
PCB ASM
MAIN PCB ASM
RY-S/HIGH
R
Y
-AIRC
BK
CN-DISP(1)
CN1
ROOM
TH
DOOR S/W
BK RD
BK
WH
RD
HVB
ASM
A/CL
UNIT
OR
BR
YL
Cr
WH
BK
BL
RD
GN/YL
R
Y
-COMP
R
Y
-SYNC
(250V/3.15L)
SM
EVAP
TH
RY-HIGH
RY-MID
RY-LO
RD
GN/YL
BL
BR
FUSE
P/No.; 3854A20172D
 CIRCUIT DIAGRAM
FAN
MOTER
COMP.
POWER
RELAY
POWER INPUT
HIDDEN LINE: FIELD WIRING
CAPACITOR 
BR
BR
BL
BR
OR
BR
BL
BL
TERMINAL
BLOCK(6P) 
1
F1
F2
2
3
4
GN/YL
5
6
BK
BL
BL
BK
BK
BR
C
R
S
RD BL
OR YL
2
6
4
8
0
1
CAPACITOR 
FAN
MOTOR
NOTE
CA
(AIR CLEANER 
 MODEL
 ONLY)
BL
BK
BR
RD
OR
WH
YL
GN/YL:GREEN/YELLOW
             : OPTIONAL PARTS
BLUE
BLACK
BROWN
RED
ORANGE
WHITE
YELLOW
:
:
:
:
:
:
:
3
4
5
6
(5) LP-K3023HA/HL/HM
–12–
(1) The function of main control
1. Time Delay Safety Control
3min
The compressor is ceased for 3 minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
3sec
The indoor fan is ceased for 3 seconds to prevent relay noise.
(Protection of fan relay and micro chip)
30sec
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.
2. Airflow Direction Control
This function is to swing the louver left and right automatically and to set it at the desired position.
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
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.
....
–13–
5. Heating Mode Operation
The unit will operate according to the setting by the remote controller and the operation diagram is shown as
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
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
28 C
< 39°C
Selecting speed
28 C
≥
39°C
Selecting speed
28 C
> 34°C
Low
26 C
≤
34°C
Off
26 C
–14–
5-1. Heating Mode Operation
The unit will operate according to the setting by the remote controller and the operation diagram is shown as
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
1min
minimum
10sec.
OFF
A
A
OFF
LOW
LOW
LOW
Setting Temp. +1
°
C
(Compressor OFF)
Selecting
    fan speed
Selecting
fan speed
• A point: The indoor pipe temperature to be less than B°C.
The indoor fan operates for minimum 10sec. even if the indoor pipe temperature falls lower than B°C.
Low(
V
)
Stop(
VI
)
C˚C
Indoor Pipe Temp.
D˚C
22˚C
20˚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.
Off
≤
22°C(Hot start operating)
Low
≥
22°C
Selecting speed
≥
C°C
Low
≤
D°C
Off
≤
20°C
Heat OFF
Heat ON
Indoor Temp.
Indoor Temp.
15°C
20°C
20°C
15°C
20°C
20°C
C°C
32°C 34°C 36°C 30°C 31°C 33°C
D°C
28°C 30°C 32°C 26°C 28°C 30°C
B°C
27°C 29°C 31°C
-
-
-
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