LG LM-1962C2N_M_D Service Manual ▷ View online
- 33 -
2) Connection of Pipings
(6K, 8K BTU)
1. Remove the installation plate
• Pull the two '
∆
' marked portion of bottom of the
chassis and pull the installation plate out of chas-
sis.
sis.
2. Route the drain hose and the indoor tubing.
For right rear piping
3. Insert the pipings, the connecting cables and
the drain pipe through the piping hole on the
wall.
wall.
4. Connect the pipings and the indoor tubing, and
drain hose and drain pipe.
• Don't connect the cable to the indoor unit.
• Wrap the insulation material around the connect-
ing portion.
• Glue up the connection portion of drain hose and
drain pipe.
Installation plate
Pull
Pull
Pipe Size
Torque
Liquid Side (1/4")
1.8kg.m
Gas Side (3/8")
4.2kg.m
Outdoor
Connecting piping
Connecting cable
Drain pipe
Indoor
Indoor unit tubing
Spanner
Torque wrench
Plastic bands
Drain hose
Drain pipe
Adhesive
Insulation material
Flare nut
Pipings
Drain hose
- 34 -
5. Bend the tubing as shown in the figure and
bind the pipings, the connecting cables and
the drain hose altogether.
the drain hose altogether.
• Make a small loop for easy connection later.
6. Wrap the tubing, the drain hose and the con-
necting cable.
7. Indoor unit installation
• Hook the indoor unit onto the upper portion of the
installation plate. (Engage the two hooks of the
rear top of the indoor unit with the upper edge of
the installation plate.)
Insure the hooks are properly seated on the
installation plate by moving it in left and right.
rear top of the indoor unit with the upper edge of
the installation plate.)
Insure the hooks are properly seated on the
installation plate by moving it in left and right.
CAUTION: Take care to arrange the pipings, drain
hose and cables as the picture on
page 33 for inserting it into the indoor
unit and mount the indoor unit on the
installation plate.
page 33 for inserting it into the indoor
unit and mount the indoor unit on the
installation plate.
Gas side piping
Connecting
cable
cable
Loop
Tape
Liquid side piping
Drain hose
Drain hose
Connecting
cable
cable
Press the lower left and right side of the unit
against the Installation Plate until the hooks
engage with their slots (sound click).
against the Installation Plate until the hooks
engage with their slots (sound click).
- 35 -
3) Connection of Pipings
1. Remove the indoor tubing with Drain hose to
the hole.
• Remove tubing holder and pull the tubing out of
the chassis.
2. Refix the tubing holder into original position.
For right rear piping
3. Route the tubing and the drain hose straight
backwards(see figure).
4. Insert the connecting cable into the indoor
unit through the piping hole.
• Do not connect the cable to the indoor unit.
• Do not connect the cable to the indoor unit.
• Make a small loop with the cable for easy con-
nection later.
5. Tape the tubing, drain hose and the connecting
cable. Be sure that drain hose locates at the
lowest side of the bundle.
Locating at the upper side can be a reason that
drain water overflows drain pan inside the unit.
lowest side of the bundle.
Locating at the upper side can be a reason that
drain water overflows drain pan inside the unit.
Connecting
cable
Gas side piping
Liquid side piping
Drain hose
• To remove the holder,
press the bottom of the
chassis near the holder
upwards and the tab is
clear of its hole.
chassis near the holder
upwards and the tab is
clear of its hole.
• Turn it clockwise approx.
90° and remove it.
Pull
Press
Tubing holder
Taping
Indoor/Outdoor
Connecting
cable
Connecting
cable
- 36 -
6. Indoor unit installation.
• Hook the indoor unit onto the upper position of
the installation plate. (Engage the two hooks of
the rear top of the indoor unit with the upper
edge of the installation plate.)
Ensure the hooks are properly seated on the
installation plate by moving it in left and right.
the rear top of the indoor unit with the upper
edge of the installation plate.)
Ensure the hooks are properly seated on the
installation plate by moving it in left and right.
7. Connecting the pipings to the indoor unit.
• 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.
Wrench tightening the flare nut with forque
wrench, ensure the direction for tightening fol-
lows the arrows on the wrench.
Wrench tightening the flare nut with forque
wrench, ensure the direction for tightening fol-
lows the arrows on the wrench.
8. Wrap the insulation material around the con-
necting portion.
CAUTION: Take care to arrange the pipings,
drain hose and cables as the right
upper picture for inserting it into the
indoor unit and refixing the tubing
holder easily.
upper picture for inserting it into the
indoor unit and refixing the tubing
holder easily.
Spanner
Torque wrench
Indoor unit tubing
Flare nut Pipings
Wrap the insulation material around the connecting
portion.
portion.
Plastic Bands
Insulation material
Connecting
cable
cable
Drain hose
Press the lower left and right side of the unit against
the Installation Plate until the hooks engages with
their slots (sound click).
the Installation Plate until the hooks engages with
their slots (sound click).
Pipe Size
Torque
Liquid Side (1/4")
1.8kg m
Gas Side (3/8")
4.2kg m
Gas Side (1/2")
5.5kg m
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