LG LS-M3021CL Service Manual page 27

3. Tape the tubing, drain hose and the connecting 3. Tape the tubing, drain hose and the connecting
cable. Be sure that the drain hose is located at the cable. Be sure that the drain hose is located at the
lowest side of the bundle. Locating at the upper side lowest side of the bundle. Locating at the upper side
can cause drain pan to overflow inside the unit. can cause drain pan to overflow inside the unit.
Loop
Connecting
cable
Drain hose
NOTE: If the drain hose is routed inside the room,
insulate the hose with an insulation material*
so that dripping from "sweating"(condensa-
tion) will not damage furniture or floors.
*Foamed polyethylene or equivalent is rec-
ommended.
4. 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
Gas side
piping
Liquid side
piping
Setting line
Three upper
hooks
Installation
plate
Three lower
hooks
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5. Connecting the pipings to the indoor unit and 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.
Connection pipe
Flare nut
Spanner (fixed)
Capacity
(Btu/h)
30K, 32K 5/8"[6.6kg.m]
36K, 38K 3/4"[6.6kg.m]
I When extending the drain hose at the indoor unit,
install the drain pipe.
Drain pipe
Adhesive
Flare nut Pipings
Indoor unit tubing
Torque wrench
Pipe Size[Torque]
GAS LIQUID
3/8"[4.2kg.m]
3/8"[4.2kg.m]
Indoor unit drain hose
Vinyl tape(narrow)