LG LS-M3021CL Service Manual page 29

5. Indoor unit installation
I Hook the indoor unit onto the upper portion of the
installation plate.(Engage the three hooks of the
rear top and rear lower of the indoor unit with the
upper edge and lower edge of the installation
plate.) Ensure that the hooks are properly seated
on the installation plate by moving it left and right.
Installation plate
Indoor unit
6. Connecting the pipings to the indoor unit and the
drain hose to drain pipe.
I Align the center of the pipings and sufficiently
tighten the flare nut by hand.
Indoor unit tubing
I Tighten the flare nut with a wrench.
Torque wrench
Indoor unit tubing
Capacity
(Btu/h)
30K, 32K 5/8"[6.6kg.m]
36K, 38K 3/4"[6.6kg.m]
Setting line
Three upper
hooks
Installation
plate
Three lower
hooks
Flare nut Pipings
Spanner (fixed)
Flare nut
Connection pipe
Pipe Size[Torque]
GAS LIQUID
3/8"[4.2kg.m]
3/8"[4.2kg.m]
I When extending the drain hose at the indoor unit,
install the drain pipe.
Drain hose
Adhesive
7. Wrap the insulation material around the connecting
portion.
I Overlap the connection pipe heat insulation and the
indoor unit pipe heat insulation material. Bind them
together with vinyl tape so that there is no gap.
I Wrap the area which accommodates the rear
piping housing section with vinyl tape.
Connection
pipe
Vinyl tape
(wide)
Connecting cable
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Indoor unit drain hose
(narrow)
Vinyl tape
Plastic bands Insulation material
Wrap with vinyl tape
Pipe
Vinyl tape(narrow)
Indoor
unit piping