LS-J0764BL — LG Air Conditioner Service Manual (repair manual)

Model
LS-J0764BL
Pages
120
Size
6.46 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
ls-j0764bl.zip
Date

View LG LS-J0764BL Service Manual online

SERVICE MANUAL
Room Air Conditioner
CAUTION
-
BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
-
ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODEL : LS-J0764BL/HM/HN
LS-J0965BL/HM/HN
LS-J0966EL
E-MAIL
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.............................................................................................. 42
Electronic Parts Troubleshooting Guide............................................................................ 43
Electronic Control Device.................................................................................................... 50
Schematic Diagram .............................................................................................................. 53
Exploded View and Replacement Parts List...................................................................... 54
-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°C
Heating
Down to 16°C
Up to 30°C
Page of 120
Display

Download LG LS-J0764BL Service Manual (Repair Manual)

Here you can view online or download LG LS-J0764BL Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair LG LS-J0764BL Air Conditioner. Information contained in LG LS-J0764BL service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).