LM-1963H2L — LG Air Conditioner Service Manual (repair manual)

Model
LM-1963H2L
Pages
127
Size
7.73 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lm-1963h2l.zip
Date

View LG LM-1963H2L Service Manual online

Functions
ƒU
Room temperature sensor. (Thermistor)
ƒU
Maintains the room temperature in accordance with the Setting Temp. 
ƒU
Indoor fan is delayed for 5 seconds at the starting.
ƒU
Restarting is inhibited for approx. 3 minutes.
ƒU
High, Med, Low
ƒU
Intermittent operation of fan at low speed.
ƒU
The louver can be set at swing up and down automatically.
ƒU
The setting temperature, indoor fan speed and desired operation mode are automatically set.
ƒU
Both the indoor and outdoor fan stops during defrosting.
ƒU
Hot start after defrost ends.
ƒU
The indoor fan stops until the evaporator piping temperature will be reached at 28
¡
.
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
Airflow Direction Control
Deice (defrost) control (Heating)
Hot-start Control (Heating)
Auto Operation
–3–
–4–
Remote Controller
Operation ON/OFF
Operation Mode Selection
Fan Speed Selection
Room Temperature Display
Temperature Setting
Setting the Time or Timer
(Cooling 
model only)
(Heating 
model only)
(Low)
(Med)
(High)
Cooling Operation Mode (       )
Heating Operation Mode (       )
Soft Dry Operation Mode (       )
Fan Operation Mode
HI
MED
LO
Set
: High:39°C
¡Œ
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
,
–12–
Installation of Indoor, Outdoor Unit
1. Selection of the best location
1) Indoor unit 
• There should not be any heat source or steam
near the unit. 
• There should not be any obstacles to prevent
the air circulation.
• A place where air circulation in the room will be
good. 
• A place where drainage can be easily obtained.
• A place where noise prevention is taken into
consideration.
• Do not install the unit near the door way.
• Ensure the spaces indicated by arrows from the
wall, ceiling, or other obstacles.
• The indoor unit must keep the maintenance
space.
2) Outdoor unit
• If an awning is built over the unit to prevent
direct sunlight or rain exposure, be careful that
heat radiation from the condenser is not restrict-
ed. 
• There should not be any animals or plants which
could be affected by hot air discharged. 
• Ensure the spaces indicated by arrows from the
wall, ceiling, fence or other obstacles.
More than
10cm
More than 10cm
More than
70cm
,,
Unit:cm
Ceiling
Ceiling Board
Ceiling Board
30 or more
Above 250
300 or less
100 
or more
50 or 
more
50 or 
more
30 or less
,,,
yyy
zzz
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,
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Floor
–21–
7. Installation of Decorative Panel
1. Temporarily fix two decorative panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount
10mm in length.)
The fixing screws (hexagon M5 screw) are included the decorative panel box.
2. Remove the air inlet grille from the decorative panel. (Remove the hook for the air inlet grille cord.)
3. Hook the decorative panel key hole (          ) on the screws fixed in step above, and slide the panel so that
the screws reach the key hole edge.
4. Retighten completely two temporarily fixed screws and other two screws. (Total 4 screws)
5. Connect the louver motor connector.
6. After tightening these screws, install the air inlet grille (including the air filter).
Decorative panel fixing screws
(hexagon M5 screws)
Temporality fitting at 2 places
(Tightening about 10mm)
Decorative panel
Louver motor 
connector
Install the panel after 
making sure that the
piping side of the unit body 
matches the piping 
indication of the decorative 
panel
Control box 
cover
Louver motor connector
(In the control box)
Air conditioner unit
Piping side
Inlet Grille
Decorative panel fixing screws 
(Hexagon M5 screw)
Key holes
The arrow (     ) should point 
to the side where the pipes are.
The decorative panel has its installation
direction.
Before installing the decorative panel,
always remove the paper template.
¡
¡
ÿ
Method of connecting louver motor connector
• Louver motor housing consists in main PCB
• Open control cover, then connect louver motor connector to
louver motor housing in main PCB.
Page of 127
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Download LG LM-1963H2L Service Manual (Repair Manual)

Here you can view online or download LG LM-1963H2L Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair LG LM-1963H2L Air Conditioner. Information contained in LG LM-1963H2L 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).