LB-D1861HL_CL, LB-D2461HL_CL, LB-F3061HL, LB-F3661HL_CL, LB-F3681HL_CL, LB-F4261HL, LB-E4881HL_CL, LB-E6081HL_CL — LG Air Conditioner Service Manual (repair manual)

Model
LB-D1861HL_CL LB-D2461HL_CL LB-F3061HL LB-F3661HL_CL LB-F3681HL_CL LB-F4261HL LB-E4881HL_CL LB-E6081HL_CL
Pages
62
Size
1.69 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lb-d1861hl-cl-lb-d2461hl-cl-lb-f3061hl-lb-f3661hl-.zip
Date

View LG LB-D1861HL_CL / LB-D2461HL_CL / LB-F3061HL / LB-F3661HL_CL / LB-F3681HL_CL / LB-F4261HL / LB-E4881HL_CL / LB-E6081HL_CL Service Manual online

Ceiling Duct Type
Air Conditioner
SERVICE MANUAL
MODELS: LB-D1861HL/CL
LB-D2461HL/CL
LB-F3061HL
LB-F3661HL/CL
LB-F3681HL/CL
LB-F4261HL
LB-E4881HL/CL
LB-E6081HL/CL
Contents
Functions  .................................................................................................................................3
Product Specifications (Cooling & Heating) ..........................................................................5
Dimensions  ..............................................................................................................................9
Refrigeration Cycle Diagram  ................................................................................................11
Wiring Diagram  ......................................................................................................................13
Operation Details ...................................................................................................................19
Installation of Indoor, Outdoor Unit  .....................................................................................22
Cycle ........................................................................................................................................36
Cycle Troubleshooting Guide ...............................................................................................39
Electronic Parts Troubleshooting Guide  .............................................................................40
Electronic Control Device  .....................................................................................................43
Exploded View and Replacement Parts List  .......................................................................44
–2–
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-
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.
–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 (       )
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
: High:39°C 
LOW:11°C
: Fan Operates without cooling & heating
Cooling
Heating 
Down to 18°C
Up to 30°C
Down to 16°C
Up to 30°C
Page of 62
Display

Download LG LB-D1861HL_CL / LB-D2461HL_CL / LB-F3061HL / LB-F3661HL_CL / LB-F3681HL_CL / LB-F4261HL / LB-E4881HL_CL / LB-E6081HL_CL Service Manual (Repair Manual)

Here you can view online or download LG LB-D1861HL_CL / LB-D2461HL_CL / LB-F3061HL / LB-F3661HL_CL / LB-F3681HL_CL / LB-F4261HL / LB-E4881HL_CL / LB-E6081HL_CL Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair LG LB-D1861HL_CL / LB-D2461HL_CL / LB-F3061HL / LB-F3661HL_CL / LB-F3681HL_CL / LB-F4261HL / LB-E4881HL_CL / LB-E6081HL_CL Air Conditioner. Information contained in LG LB-D1861HL_CL / LB-D2461HL_CL / LB-F3061HL / LB-F3661HL_CL / LB-F3681HL_CL / LB-F4261HL / LB-E4881HL_CL / LB-E6081HL_CL 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).