Installation Manual 11
Flaring Work and Connection of Piping
Check
1. Compare the flared work with figure below.
2. If flare is noted to be defective, cut off the
flared section and do flaring work again.
Preparing the indoor unit's piping and drain hose for installation through the wall.
1. Route the indoor tubing and the drain hose in the direction of rear left or right
2. Tape the tubing, drain hose and the connecting cable. Be sure that the drain hose is located at
the lowest side of the bundle. Locating at the upper side can cause drain pan to overflow inside
the unit.
Inclined
Inside is shiny without scratches
Smooth all round
Even length
all round
Surface
damaged
Cracked Uneven
thickness
= Improper flaring =
Connection of piping - Indoor
Drain hose
Drain hose
Connecting
pipe
Connecting cable
Tape
Drain hose
Connecting
cable
Loop
Gas side
piping
Liquid side
piping
Drain hose
CAUTION: If the drain hose is routed inside the room, insulate the hose with
an insulation material* so that dripping from "sweating"(condensation) will
not damage furniture or floors.
*Foamed polyethylene or equivalent is recommended.
Summary of Contents for L4UC488FA0
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