55
12.2.4.1 Wire Stripping Connecting and Requirement
WARNING
RISK OF FIRE
JOINING OF
WIRES MAY
CAUSE
OVERHEATING
AND FIRE.
Do not joint wires
OR
OR
Use complete wire without joining.
Use approved socket and plug with earth pin.
Wire connection in this area must follow to national
wiring rules.
Wire stripping
No loose strand
when inserted
10 ± 1 mm
5 mm or more
Indoor/outdoor
connection
terminal board
(gap between wires)
Conductor
fully inserted
Conductor over
inserted
Conductor not
fully inserted
ACCEPT PROHIBITED PROHIBITED
12.2.4.2 Cutting and Flaring the Piping
1 Please cut using pipe cutter and then remove the burrs.
2 Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end
down to avoid the metal powder entering the pipe.
3 Please make flare after inserting the flare nut onto the copper pipes.
When properly fl ared, the internal surface of the
fl are will evenly shine and be of even thickness.
Since the fl are part comes into contact with the
connections, carefully check the fl are fi nish.
Improper fl aring
Inclined Surface
damaged
Cracked Uneven
thickness
1. To cut 2. To remove burrs 3. To fl are
Bar
Red arrow mark
Handle
Core
Yoke
Clamp handle
Bar
0 – 0.5 mm
Copper pipe
Reamer
Point down
Pipe
12.2.5 Connect the Piping
12.2.5.1 Connecting the Piping to Indoor
For connection joint of all model (except R32 model)
Please make flare after inserting flare nut (locate at
joint portion of tube assembly) onto the copper pipe.
(In case of using long piping)
Connect the piping
Align the center of piping and sufficiently tighten
the flare nut with fingers.
Further tighten the flare nut with torque wrench in
specified torque as stated in the table.
Torque
wrench
Spanner or
Wrench
For connection joint location at inside building for R32
model only
Decide the length.
Cut and remove the tube connectors at indoor
copper pipings (both gas and liquid piping) by
using pipe cutter. Remove burrs from cut edge.
Use pipe expander to expand the end of long
piping.
Align the center of piping and braze the piping
joints.
Indoor
copper pipe
Tube connector
(40~50mm)
Brazing point
1. Cut and Remove 2. Expand long pipe 3. Braze both pipe
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