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15. Installation
Check
1. Compare the flared work with the figure by.
2. If a flared section is defective, cut it off and do flaring
work again.
4) Connecting of Piping - Indoor
1. Prepare the indoor unit piping and drain hose for
installation thought the wall.
2. Align the center of the liquid side pipe.
3. Sufficiently tight the flare nut of the liquid side pipe
with hands.
4. Tight the flare nut with two spanner, as shown.
5. Align the center of gas side pipes.
6. Sufficiently tight the flare nut of the gas side pipe with
hands.
7. Tight the flare nut with two spanner as shown.
Outside diameter
mm
inch
Ø6.35
1/4
Ø9.52
3/8
Ø12.7
1/2
Ø15.88
5/8
Ø19.05
3/4
8. If drain pipe need to be extended at the indoor side
attach the drain pipe with indoor unit drain hose as
shown in fig.
Wrap the insulation material around con-
nection portion
9. Overlap the connection connecting pipe insulation
material and the indoor pipe insulation martial. Bind
them together with the vinyl tape. So that here may
not be any gap.
76
Ceiling & Floor, Ceiling Suspended (50Hz, R22)
Torque
kg . m
1.8
4.2
5.5
6.6
6.6
Smooth all round
Inside is shiny without scratches
Inclined
Even length
all round
Indoor unit tubing
Wrench
Indoor unit tubing
Seal properly the joint of drain hole and drain pipe with
adhesive tape to prevent leakage of water drops.
Drain hose
Vinyl tape
Adhesive
Plastic bands Insulation material
= Improper flaring =
Surface
Cracked Uneven
damaged
thickness
Flare nut
Pipes
Open-end wrench (fixed)
Flare nut
Connection pipe
Indoor unit drain hose
(narrow)
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