LG LV-B2461CL / LV-B2461HL / LV-B2464CL / LV-B2464HL / LV-B1861CL / LV-B1861HL / LV-B1864CL / LV-B1864HL / V18LH Service Manual ▷ View online
–29–
3) Installation on the floor
Installation of Mount Bracket.
• Select and mark the position for Mount Brackets and
the piping hole.
• Drill the hole for the anchor nut on the wall.
• Drill the piping hole using a ø70 hole-core drill.
• Secure the Mount Brackets on the wall with four M4
• Drill the piping hole using a ø70 hole-core drill.
• Secure the Mount Brackets on the wall with four M4
screws.
Install the indoor unit onto the Mount Brackets.
• Engage the slot at the back of the unit with Mount
Bracket.
•
Drill the piping hole with 70mm dia, hole core drill.
• Piping hole should be slightly slant to the outdoor side.
After Installing, reassemble detached parts.
• Hang the 'Inlet Grille' and hook the 'Inlet Hanger' to the
• Hang the 'Inlet Grille' and hook the 'Inlet Hanger' to the
Hanger Screw.
• Assemble the 'Side Plates(R,L)' with 2 screws on both
left and right side.
Floor mount
bracket
Slot
Floor mount
bracket
Install plate
bracket
Install plate
Slot
Piping hole
Wall
5~7mm
Indoor
Outdoor
more than 760mm
From the left wall
From the
right wall
right wall
448mm
more than 840mm
Wall
–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
–31–
3-2. Installation on the ceiling
1) Connecting the pipes to the indoor unit
The pipe can be connected to right side, bottom
or back of the unit.
1. For the Right Side Piping
• After bending an end of the connecting tube, align the
center of the pipings and sufficiently tighten the flare
nut with fingers.
nut with fingers.
• Finally, tighten the flare nut with torque wrench until
the wrench clicks.
• Connect the Drain Hose insulated to the drain outlet.
Drain hose should be go through under the Hose
Bracket as shown in figure
Bracket as shown in figure
❹
.
• Hang the drain hose on the hose hanger and fix it to
the hole of the hose bracket with a screw.
2. For the Bottom Side Piping
• Remove the knock-out on the bottomside of Inlet Grille
• Align the center of the pipings and sufficiently tighten
• Align the center of the pipings and sufficiently tighten
the flare nut with fingers.
• Finally, tighten the flare nut with torque wrench until
the wrench clicks.
• Connect the Drain Hose insulated to the drain outlet.
• Hang the drain hose on the hose hanger and fix it to
• Hang the drain hose on the hose hanger and fix it to
the hole of cabinet bottom with a screw.
2) Connecting the Drain Hose
• The drain hose can be connected to not only the
right side but also left side of the unit.
• If the drain hose is connected to the left side, it
should go through the cabinet bottom.
• Hang the drain hose on the hose hanger and fix it to
the hole of cabinet bottom with a screw.
R
R
R
Drain Hose
Drain Hose
Piping
Hose
Bracket
1
3
4
5
2
Hose Hanger
Hose Hanger
Hose
Hanger
Hanger
BOTTOM
–32–
3-3. Installation on the wall or floor
1) Connecting the pipes to the indoor unit
1. For the Right Rear Piping
• Remove the knock-out at the back side of the cabinet.
• After bending an end of the connecting tube, align the
• After bending an end of the connecting tube, align the
center of the pipings and sufficiently tighten the flare
nut with fingers.
nut with fingers.
• Finally, tighten the flare nut with torque wrench until
the wrench clicks.
• Connect the Drain Hose insulated to the drain outlet.
• Tape the Drain Hose to the pipings to avoid coming
• Tape the Drain Hose to the pipings to avoid coming
off the drain-outlet.
2. For the Right Side Piping
• After bending an end of the connecting tube, align the
center of the pipings and sufficiently tighten the flare
nut with fingers.
nut with fingers.
• Finally, tighten the flare nut with torque wrench until
the wrench clicks.
• Connect the Drain Hose insulated to the drain outlet.
• Tape the Drain Hose to the pipings to avoid coming
• Tape the Drain Hose to the pipings to avoid coming
off the drain-outlet.
3. For the Right Bottom Piping
• Align the center of the pipings and sufficiently tighten
the flare nut with fingers.
• Finally, tighten the flare nut with torque wrench until
the wrench clicks.
• Connect the Drain Hose insulated to the drain outlet.
2) Connecting the Drain Hose
• The drain hose can be connected to not only right
side but also left side of the unit.
Taping
Drain Hose
Piping
Piping
Drain Hose
Connecting
Cable
Drain Hose
Piping
Drain Hose
REAR
BOTTOM
Taping
Taping
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