LG LV-B1861HL Service Manual ▷ View online
–30–
3-1. Preparation of Piping
3. Connecting Pipes to the Indoor Unit
Main cause of gas leakage is defect in flaring work.
Carry out correct flaring work in the following proce-
dure.
Carry out correct flaring work in the following proce-
dure.
1) Cut the pipes and the cable.
■
Use the accessory piping kit or the pipes pur-
chased locally.
chased locally.
■
Measure the distance between the indoor and
the outdoor unit.
the outdoor unit.
■
Cut the pipes a little longer than measured dis-
tance.
tance.
■
Cut the cable 1.5m longer than the pipe length.
2) Burrs removal
■
Completely remove all burrs from the cut cross
section of pipe/tube.
section of pipe/tube.
■
Put the end of the copper tube/pipe to down-
ward direction as you remove burrs in order to
avoid to let burrs drop in the tubing.
ward direction as you remove burrs in order to
avoid to let burrs drop in the tubing.
3) Putting nut on
■
Remove flare nuts attached to indoor and out-
door units, than put them on pipe/tube having
completed burr removal.
(Not possibe to put them on after flaring work)
door units, than put them on pipe/tube having
completed burr removal.
(Not possibe to put them on after flaring work)
4) Flaring work
■
Carry out flaring work using flaring tool as
shown below.
shown below.
Firmly hold copper tube in a die as indicated dimen-
sion in the table above.
sion in the table above.
5) Check
■
Compare the flared work with figure below.
■
If flare is noted to be defective, cut off the flared
section and do flaring work again.
section and do flaring work again.
Copper
tube
90
°
Slanted Uneven Rough
Pipe
Reamer
Point down
Flare nut
Copper tube
Bar
Copper pipe
Clamp handle
Red arrow mark
Cone
Yoke
Handle
Bar
"A"
Inclined
Inside is shining without scratches
Smooth all round
Even length
all round
Surface
damaged
Cracked Uneven
thickness
= Improper flaring =
Outside diameter
A
mm
inch
mm
Ø12.7
1/2
0 ~ 0.5
Ø15.88
5/8
0 ~ 1.0
–39–
Operation
(1) Name and Function-Remote controller
1) Cooling Model
Signal transmitter.
Transmits the signals
to the room air conditioner.
to the room air conditioner.
Remote Controller
ON
OFF
SET
CANCEL
1
2
7
8
9
10
11
4
5
6
3
OPERATION DISPLAY
Displays the operation conditions.
Displays the operation conditions.
START/STOP BUTTON
Operation starts when this button is pressed and stops
when the button is pressed again.
Operation starts when this button is pressed and stops
when the button is pressed again.
OPERATION MODE SELECTION BUTTON
Used to select the operation mode.
Used to select the operation mode.
ON/OFF TIMER BUTTONS
Used to set the time of starting and stopping operation.
Used to set the time of starting and stopping operation.
TIME SETTING BUTTONS
Used to adjust the time.
Used to adjust the time.
TIMER SET/CANCEL BUTTONS
Used to set the timer when the desired time is obtained
and to cancel the Timer operation.
Used to set the timer when the desired time is obtained
and to cancel the Timer operation.
AIR FLOW DIRECTION START/STOP BUTTON
Used to stop or start louver movement and set the
desired up/down airflow direction.
Used to stop or start louver movement and set the
desired up/down airflow direction.
SLEEP MODE AUTO BUTTON
Used to set Sleep Mode Auto operation.
Used to set Sleep Mode Auto operation.
AIR CIRCULATION BUTTON
Used to circulate the room air without cooling or heat-
ing (turns indoor fan on/off).
Used to circulate the room air without cooling or heat-
ing (turns indoor fan on/off).
ROOM TEMPERATURE CHECKING BUTTON
Used to check the room temperature.
Used to check the room temperature.
RESET BUTTON
Used prior to resetting time or after replacing batteries.
Used prior to resetting time or after replacing batteries.
1
2
3
4
5
6
7
8
9
10
11
–40–
2) Heat Pump Model
Signal transmitter.
Transmits the signals
to the room air conditioner.
to the room air conditioner.
Remote Controller
ON
OFF
SET
CANCEL
1
2
7
8
9
10
11
4
5
6
3
OPERATION DISPLAY
Displays the operation conditions.
Displays the operation conditions.
START/STOP BUTTON
Operation starts when this button is pressed and stops
when the button is pressed again.
Operation starts when this button is pressed and stops
when the button is pressed again.
OPERATION MODE SELECTION BUTTON
Used to select the operation mode.
Used to select the operation mode.
ON/OFF TIMER BUTTONS
Used to set the time of starting and stopping operation.
Used to set the time of starting and stopping operation.
TIME SETTING BUTTONS
Used to adjust the time.
Used to adjust the time.
TIMER SET/CANCEL BUTTONS
Used to set the timer when the desired time is obtained
and to cancel the Timer operation.
Used to set the timer when the desired time is obtained
and to cancel the Timer operation.
AIR FLOW DIRECTION START/STOP BUTTON
Used to stop or start louver movement and set the
desired up/down airflow direction.
Used to stop or start louver movement and set the
desired up/down airflow direction.
SLEEP MODE AUTO BUTTON
Used to set Sleep Mode Auto operation.
Used to set Sleep Mode Auto operation.
AIR CIRCULATION BUTTON
Used to circulate the room air without cooling or heat-
ing (turns indoor fan on/off).
Used to circulate the room air without cooling or heat-
ing (turns indoor fan on/off).
ROOM TEMPERATURE CHECKING BUTTON
Used to check the room temperature.
Used to check the room temperature.
RESET BUTTON
Used prior to resetting time or after replacing batteries.
Used prior to resetting time or after replacing batteries.
1
2
3
4
5
6
7
8
9
10
11
–41–
Disassembly of the parts (Indoor unit)
Warning :
Disconnect the unit from power supply before making
any checks.
Be sure the power switch is set to “OFF”.
Disconnect the unit from power supply before making
any checks.
Be sure the power switch is set to “OFF”.
1. Remove the air filter.
• Pull the inlet grille slightly toward you.
• Pull out the air filter. (2 pieces)
• Pull out the air filter. (2 pieces)
2. Remove the girlle from chassis
• Remove the screws securing the side plate and
push to the bottom-side.
• Unhook the hanger from the hanger screw at the
left and the right side.
• Pick out the inlet grille.
3. Remove the lower air guide
• Remove a screw of both side fixing "barrier air-
guide".
• Remove the screws of both sides of the lower
air-guide.
• Remove the lower air-guide toward “arrow mark”
by turning upwards as shown in figure.
R
R
R
R
1
3
4
2
Hanger
Screw
Hanger
Inlet Grille
Barrier Air guide
Lower Air guide
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