LG LB-F3680HL / LB-F3680CL Service Manual ▷ View online
–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 ( )
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
Although the air conditioner is turned off by a power failure, it is restarted
automatically after a power resupply.
automatically after a power resupply.
Cooling
Heating
Down to 18°C
Up to 30°C
,
Down to 16°C
Up to 30°C
,
✔
–14–
Installation of Indoor, Outdoor Unit
1. Selection of the best location
1) Indoor unit
Select location
Install the air conditioner in the location that satis-
fies the following conditions.
• The place shall easily bear a load exceeding four
Install the air conditioner in the location that satis-
fies the following conditions.
• The place shall easily bear a load exceeding four
times the indoor unit’s weight.
• The place shall be able to inspect the unit as the
figure.
• The place where the unit shall be leveled.
• The place shall allow easy water drainage.(Suit-
• The place shall allow easy water drainage.(Suit-
able dimension “H” is necessary to get a slope to
drain as figure.)
drain as figure.)
• The place shall easily connect with the outdoor
unit.
• The place where the unit is not affected by an
electrical noise.
• The place where air circulation in the room will be
good .
• There should not be any heat source or steam
near the unit.
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.
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
30cm
30cm
More than
30cm
30cm
More than
70cm
70cm
Fence or
obstacles
Sunr
oof
H
600
600
Top view
(unit: mm)
Front view
Front
Inspection hole
(600X600)
Control box
1000
–23–
Ceiling
CAUTION
1~3mm
Drainage hole
Drainage hole
Make sure to be closed.
Unit
Drainage pipe
(Local supply)
(Local supply)
Thermal insulator
(Local supply)
Drainage hole
Front of view
CAUTION FOR GRADIENT OF
UNIT AND DRAIN PIPING
UNIT AND DRAIN PIPING
Lay the drain hose with a downward inclination
so water will drain out.
so water will drain out.
• Alway lay the drain with downward inclina-
tion (1/50 to 1/100).
Prevent any upward flow or reverse flow in
any part.
Prevent any upward flow or reverse flow in
any part.
• 5mm or thicker formed thermal insulator
shall always be provided for the drain pipe.
1. Install declination of the indoor unit is very important for the drain of the duct type air conditioner.
2. Minimum thickness of the insulation for the connecting pipe shall be 5mm.
• The unit must be horizontal or declined to the drain hose connected when finished installation.
CORRECT
CORRECT
INCORRECT
INCORRECT
• Upward routing not
allowed
–24–
• Drill the piping hole with 70mm dia, hole
core drill.
• Piping hole should be slightly slant to the
outdoor side.
INSULATION, OTHERS
Insulate the joint and tubes completely.
All thermal insulation must comply with local requirement.
INDOOR UNIT
REFRIGERANT PIPE
• Insulate and tape both the gas piping and liquid piping.
THERMAL INSULATION
5~7mm
Indoor
Outdoor
WALL
Make sure that there is no clearance here.
Overlap with thermal
insulator for piping.
insulator for piping.
Thermal insulator for refrigerant pipe
(Local supply)
(Local supply)
Thermal insulator for
piping(Local supply)
piping(Local supply)
Hose crip for thermal insulator(Local supply)
Union for liquid pipe
Refrigerant pipe and thermal
insulator(Local supply)
insulator(Local supply)
Union for gas pipe
Thermal insulator for refrigerant pipe
(Local supply)
(Local supply)
Hose crip for thermal insulator
(Local supply)
(Local supply)
Connecting cable
Liquid pipe
Thermal insulator
Gas pipe
Tape