LG LS-K1863RR Manuel utilisateur

SERVICE MANUAL

Room Air Conditioner

CAUTION

-BEFORE SERVICING THE UNIT, READ THE SAFETY

PRECAUTIONS IN THIS MANUAL.

-ONLY FOR AUTHORIZED SERVICE PERSONNEL.

MODEL : LS-K1863PL/RR

LS-K2462PL

LS-K1864PL

LS-K2463PL

(Applied to new Refrigerant R-410A)

WEBSITE http://biz.LGservice.com

E-MAIL http://www.LGEservice.com/techsup.html

Contents

Functions................................................................................................................................3

Product Specifications .......................................................................................................... 5

Dimensions............................................................................................................................. 6

Refrigeration Cycle Diagram................................................................................................. 8

Wiring Diagram....................................................................................................................... 9

Operation Details ................................................................................................................. 10

Display Function .................................................................................................................. 17

Self-diagnosis Function....................................................................................................... 17

Installation ............................................................................................................................ 18

Operation .............................................................................................................................. 31

Disassembly of the parts (Indoor Unit).............................................................................. 32

2-way, 3-way Valve................................................................................................................ 35

Cycle Troubleshooting Guide.............................................................................................. 43

Electronic Parts Troubleshooting Guide............................................................................ 44

Electronic Control Device.................................................................................................... 51

Schematic Diagram.............................................................................................................. 54

Exploded View and Replacement Parts List...................................................................... 55

-2-

Functions

• Room temperature sensor. (THERMISTOR)

• Maintains the room temperature in accordance with the Setting Temp.

• Indoor fan is delayed for 5 sec at the starting.

• Restarting is inhibited for approx. 3 minutes.

• High, Med, Low, CHAOS

---

Lights up in operation

---

Lights up in Sleep Mode

---

Lights up in Timer Mode

---

Lights up in Defrost Mode (for Heating Model)

OUTDOOR---

Lights up in compressor operation (for Cooling Model)

---

The function illustrates its dynamic mode

by using a multiple lighting system.

()

---

Linghts up in Telephone Control operation.

• Intermittent operation of fan at low speed.

• The fan is switched to low(Cooling), med(Heating) speed.

• The unit will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.

• The fan is switched to intermittent or irregular operation

•

The fan speed is automatically switched from high to low speed.

• The louver can be set at the desired position or swing

up and down automatically.

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

Operation indication Lamps (LED)

Soft Dry Operation Mode

• The function will be operated while in any

operation mode with selecting the function.

• The function is to be stopped while it is

operating with selecting the function.

• Both the indoor and outdoor fan stops dur-

ing defrosting.

• The indoor fan stops until the

evaporator pipe temperature will be reached

at 28°C.

Sleep Mode Auto Control

Natural Air Control by CHAOS Logic

Airflow Direction Control

PLASMA

-3-

Defrost(Deice) control (Heating)

Hot-start Control (Heating)

PLASMA

-4-

Healthy Dehumidification Operation Mode.

( )

Remote Controller

Operation ON/OFF

Reset

Operation Mode Selection

Temperature Setting

Timer Selection

Timer Setting

JET COOL

Timer Cancel

Sleep Operation

Airflow Direction Control

(Cooling

model only) (Heating

model only)

TEMPERATURE LOW HIGH

Cooling Operation Mode.( ) Heating Operation Mode.( )

Auto Operation Mode.( )

Fan Operation Mode

Horizontal Airflow Direction Control Button(Optional)

Room, Temperature Display

Setting the Time or Timer

PLASMA(Optional)

ON OFF

SET

PLASMA

CANCEL

Fan Speed Selection

(Low) (Med) (High) (CHAOS)

: (High:39°C Low:11°C)

: OFF, ON, OFF ON

: Cancel Sleep Mode, Timer ON or Timer OFF

: 1, 2, 3, 4, 5, 6, 7, Off Timer

: Fan Operates without cooling or heating.

Cooling Down to 18°C

Up to 30°CHeating Down to 16°C

Up to 30°C

-5-

Product References

NOTE: Please refer to Label Quality on the product since this specification may be changed for improving performance

Model Name

Item Unit

Cooling Capacity Btu/h

Heating Capacity

Moisture Removal l/h

Power Source Ø,V,Hz

Cooling W

Heating

Running Cooling A

Current Heating

E.E.R. Cooling Btu/hW

C.O.P Heating

Refrigerant (R-410A) g

Airflow Direction Control (Up & Down)

Remocon Type

inch(mm)

Sleeping Operation

Drain Hose

Connecting Cable

Power Cord

Air Circulation

Noise Level

Input

m3/min

dB (A)±3

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Liquid

Gas

Service Valve

Motor Output

Dimensions

(WxHxD)

Net. Weight

LS-K186_Series LS-K246_Series

SPEC. AT 230V

18000

19000

2.5

1Ø, 220-240V, 50Hz

1900

1950

8.5

9.47

2.85

1,080 x 314 x 181

870 x 655 x 320

1,300

L.C.D Wireless

1/4" (6.35)

1/2" (12.7)

1.5mm2

24000

2.5

1Ø, 220-240V, 50Hz

2530

2515

9.49

2.8

1,080 x 314 x 181

870 x 655 x 320

1,420

L.C.D Wireless

3/8" (9.52)

1/2" (12.7)

2.5, 0.75mm2

2.5mm2

-6-

Tubing hole cover

Installation plate

Dimensions

(1) Indoor Unit

MODEL

DIM Unit

W mm 1,080

H mm 314

D mm 181

ALL MODELS

-7-

(2) Outdoor Unit

L7 L6 L8 L9

L10L11

L4L5

Gas side

Liquid side

MODEL

DIM

W mm 870

H mm 655

D mm 320

L1 mm 370

L2 mm 340

L3 mm 25

L4 mm 630

L5 mm 25

L6 mm 546

L7 mm 162

L8 mm 162

L9 mm 54

L10 mm 74.5

L11 mm 79

ALL MODELS

Refrigeration Cycle Diagram

-8-

INDOOR UNIT OUTDOOR UNIT

HEAT

EXCHANGE

(EVAPORATOR)

HEAT

EXCHANGE

(EVAPORATOR)

HEAT

EXCHANGE

(CONDENSER)

HEAT

EXCHANGE

(CONDENSER)

COMPRESSOR

ACCUMU

LATOR

GAS SIDE

VALVE

LIQUID SIDE

VALVE

CAPILLARY TUBE

CHECK VALVE

(Heating Model only)

COOLING

HEATING

REVERSING

VALVE

(Heating Model Only)

(1) Cooling Only Models

(2) Cooling & Heating Models

Wiring Diagram

-9-

POWER

GN/YL

1(L) 2(N)

MOTOR

CN-MOTOR

CN-TAB1

CN-AC/DC

CN-TH

THERMISTOR

STEP

MOTOR

STEP

MOTOR

H.V.

ASM

AIR

CLEAN

(

PLASMA

)

SAFETY S/W1

SAFETY S/W2

CN-U/D

CN-L/R

CN-DISP

DISPLAY PWB ASM

INDOOR WIRING DIAGRAM 3854A20142A

SW(FORCE)

RY-4WAY

RY-FAN

T/BLOCK

TO OUTDOOR UNIT

TRIAC

AC PWB ASM DC PWB ASM

RY-COMP

FUSE

250V T2A

SH-CAPA

GN/YL

(1) Indoor Unit

CSR

2(N)

GN/YL

BK(RD)

BR BR(OR)

BK(RD)

GN/YL

HCF

41(L)3

COMP FAN

MOTOR

REVERSINGREVERSING

VALALVEVE

TERMINALTERMINAL

BLOCKBLOCK

CAPACITOR

HEAHEATER T/B 3

T/B 1

T/B 4

TO INDOOR UNIT

OUTDOOR WIRING DIAGRAM

3854A20051P

PTC

PRESSUREPRESSURE

SWITCHSWITCH

CSR

2(N)

GN/YL

BK(RD)

BR BR(OR)

BK(RD)

YLHCF

41(L)3

COMP FAN

MOTOR

REVERSINGREVERSING

VALVEVE

TERMINALTERMINAL

BLOCKBLOCK

CAPACITOR

HEAHEATERTER T/B 3

T/B 1 T/B 2

T/B 4

TO INDOOR UNIT

OUTDOOR WIRING DIAGRAM

3854A20051N

PTC

GN/YL

(2) Outdoor Unit

Modle: 18K Series Modle: 24K_Series

Operation Details

1. MAIN UNIT FUNCTION

• DISPLAY

1) C/O Model

Operation Indicator

•ON while in appliance operation, OFF while in appliance pause.

•Flashing while in disconnection or short in Thermistor. (3 sec off / 0.5 sec on)

Sleep Timer Indicator

•ON while in sleep timer mode, OFF when sleep timer cancel or appliance operation pause.

Timer Indicator

•ON while in timer mode (on/off), OFF when timer mode is completed or canceled.

Comp. Running Incidator

•While in appliance operation, ON while in outdoor unit compressor running, OFF while in compressor off.

2) H/P Model

Operation Indicator

•ON while in appliance operation, OFF while in appliance pause.

•Flashing while in disconnection or short in Thermistor. (3 sec off / 0.5 sec on)

Sleep Timer Indicator

•ON while in sleep timer mode, OFF when sleep timer cancel or appliance operation pause.

Timer Indicator

•ON while in timer mode (on/off), OFF when timer mode is completed or canceled.

Defrost Indicator

•OFF except when hot start during heating mode operation or while in defrost control.

■Cooling Mode Operation

•When the intake air temperature reaches 0.5°C below the setting temp, the compressor and the outdoor fan

stop.

•When it reaches 0.5°C above the setting temp, they start to operate again.

Compressor ON Temp ➲Setting Temp+0.5°C

Compressor OFF Temp ➲Setting Temp-0.5°C

•While in compressor running, operating with the airflow speed set by the remote control. While in compressor

not running, operating with the low airflow speed regardless of the setting.

■Healthy Dehumidification Mode

•When the dehumidification operation input by the remote control is received, the intake air temperature is

detected and the setting temp is automatically set according to the intake air temperature.

26°C≤Intake Air Temp ➲25°C

24°C≤Intake Intake Air Temp<26°C➲Intake Air Temp-1°C

18°C≤Intake Intake Air Temp<24°C➲Intake Air Temp-0.5°C

Intake Air Temp<18°C➲18°C

-10-

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