7
Use frozen oil
Bend the pipe with thumb
Fig.7-1
Table.8-1
Fig.8-2
Make the ends
straight
Fig.7-2
Fig.7-3
Locate The Pipe
●
Drill a hole in the wall (suitable just for the size of the wall conduit,
90mm in general), then set on the fittings such as the wall conduit
and its cover.
●
Bind the connecting pipe and the cables together tightly with
binding tapes. Do not let air in, which will cause water leakage
by condensation.
Fasten the nut
●
Put the connecting tubing at the proper position, wrench the
nuts with hands then fasten it with a wrench. (Refer to
Fig.8-3
)
●
Too large torque will harm the bellmouthing and too small will
cause leakage. Please determine the torque according to
Table.8-2.
●
Pass the bound connecting pipe through the wall conduit from
outside. Be careful of the pipe allocation to do no damage to the
tubing.
Connect the pipes.
Then, open the stem of stop valves of the outdoor unit to make
the refrigerant pipe connecting the indoor unit with the outdoor
unit fluently flow.
Be sure of no leakage by checking it with leak detector or soap
water.
Table.8-2
Fig.8-3
Cover the joint of the connecting pipe to the indoor unit with the
sound proof/insulating sheath (fittings), and bind it well with the
tapes to prevent leakage.
8.
REFRIGERANT PIPE CONNECTION
Flaring
●
Cut a pipe with a pipe cutter.
●
Insert a flare nut into a pipe and flare the pipe.
Material and Size of the Pipes
Three length (3m,5m,10m) of pipes are available to purchase.
Table.8-3
Pipe Material
Copper Pipe for Air Conditioner
Size(mm)
Gas side
Φ12.7
Liquid side
Φ6.4
Gas side
Φ15.9
Liquid side
Φ9.5
The necessary filling amount of refrigerant
●
When the length of the one-way pipe is under 5m, the
quantity of filling fluorine will be subject to the nameplate.
lean crude burr
Fig.8-1
●
When the length of the one-way pipe is over 5m, the quantity
to be added is as follows:
Capacity≤4500W: 0.03x(L-5) (Unit: kg)
Capacity≥5600W: 0.065x(L-5) (Unit: kg)
L: The length of the pipe
●
Please record the quantity added and store it carefully for
future maintenance.
90
90
+_4
A
4 5 _ +
2
Outside diameter
A(mm)
Max
Min
Φ6.4mm
8.7
8.3
Φ9.5mm
12.4
12.0
Φ12.7mm
15.8
15.4
Φ15.9mm
19.0
18.6
Tubing size
Torque
Φ6.4mm
14.2~17.2 N.m (144~176 kgf.cm)
Φ9.5mm
32.7~39.9 N.m (333~407 kgf.cm)
Φ12.7mm
49.5~60.3 N.m (504~616 kgf.cm)
Φ15.9mm
61.8~75.4 N.m (630~770 kgf.cm)
Summary of Contents for KCOF-22 DN2.4
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