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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.
Connection of piping - Indoor
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
Drain hose
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.
Loop
Connecting
cable
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.
14 Room Air Conditioner
Gas side
piping
Liquid side
piping
Smooth all round
Inside is shiny without scratches
Inclined
Even length
all round
Drain hose
Tape
Connecting
Connecting
pipe
cable
Drain hose
Drain hose
Connecting cable
= Improper flaring =
Surface
Cracked Uneven
damaged
thickness
Drain hose
Gas side piping
Liquid side piping
Loop
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