LM-1966C2L_M, LM-1966H2L_M, LM-2166H2L_M, LM-2065C3L_M, LM-3065H3L_M — LG Air Conditioner Service Manual (repair manual)

Model
LM-1966C2L_M LM-1966H2L_M LM-2166H2L_M LM-2065C3L_M LM-3065H3L_M
Pages
76
Size
2.75 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lm-2166h2l.zip
Date

View LG LM-1966C2L_M / LM-1966H2L_M / LM-2166H2L_M / LM-2065C3L_M / LM-3065H3L_M Service Manual online

Multi Type Room 
Air Conditioner
SERVICE MANUAL
MODELS:  LM-1966C2L/M
LM-1966H2L/M
LM-2166H2L/M
LM-2065C3L/M
LM-3065H3L/M
Functions ...................................................................................................................................... 3
Product Specifications ................................................................................................................ 5
Dimensions................................................................................................................................. 10
Refrigeration Cycle Diagram..................................................................................................... 12
Wiring Diagram .......................................................................................................................... 15
Operation Details ....................................................................................................................... 17
Display Function ........................................................................................................................ 24
Self-Diagnosis Function ............................................................................................................ 24
Installation .................................................................................................................................. 25
Operation .................................................................................................................................... 39
Disassembly of the parts (Indoor Unit) .................................................................................... 41
2-way, 3-way Valve ..................................................................................................................... 43
Cycle Troubleshooting Guide ....................................................................................................47
Electronic Parts Troubleshooting Guide.................................................................................. 48
Electronic Control Device ......................................................................................................... 55
Schematic Diagram.................................................................................................................... 58
Exploded View and Replacement Parts List............................................................................ 63
- 2 -
Contents
- 3 -
Functions
• 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, Chaos
--- Lights up in operation
--- Lights up in Sleep Mode
--- Lights up in Timer Mode
--- Lights up in Deice Mode(for Heat pump model)
--- Lights up in Compressor operation(for Cooling model)
• 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)
OUT
DOOR
Health Dehumidification Operation
• Both the indoor and outdoor fan
stops during deicing.
• Hot start after deice ends.
• The indoor fan stops until the 
evaporator piping temperature will be
reached at 26°C.
Sleep Mode Auto Control
Natural Air Control by CHAOS Logic
Airflow Direction Control
Deice (defrost) control (Heating)
Hot-start Control (Heating)
- 4 -
Remote Controller
JET COOL
Healthy Dehumidification Operation Mode.(       )
Operation Mode Selection
(Cooling 
model only)
(Heating 
model only)
Cooling Operation Mode.(       )
Heating Operation Mode.(       )
Auto Operation Mode.(       )
Sleep Operation
Fan Operation Mode
Room, Temperature Display
Setting the Time or Timer
Airflow Direction Control
Operation ON/OFF
Temperature Setting
TEMPERATURE
LOW
HIGH
Timer Selection
ON
OFF
Timer Setting
SET
Timer Cancel
CANCEL
Reset
Fan Speed Selection
(Low)
(Med)
(High)
(CHAOS)
: (High: 39°C                   LOW : 11°C)
Down to 18°C
Up to 30°C
Cooling
: 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.
Down to 16°C
Up to 30°C
Heating
Page of 76
Display

Download LG LM-1966C2L_M / LM-1966H2L_M / LM-2166H2L_M / LM-2065C3L_M / LM-3065H3L_M Service Manual (Repair Manual)

Here you can view online or download LG LM-1966C2L_M / LM-1966H2L_M / LM-2166H2L_M / LM-2065C3L_M / LM-3065H3L_M Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair LG LM-1966C2L_M / LM-1966H2L_M / LM-2166H2L_M / LM-2065C3L_M / LM-3065H3L_M Air Conditioner. Information contained in LG LM-1966C2L_M / LM-1966H2L_M / LM-2166H2L_M / LM-2065C3L_M / LM-3065H3L_M 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).