SA SPW-C0705DZH8 Instrucciones De Instalación página 27

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3-3. Routing the Tubing
● The tubing can be routed out either from the front or from the
bottom. (Fig. 3-5)
● The connecting valve is contained inside the unit. Therefore,
remove the front panel. (Fig. 3-5)
(1) If the tubing is routed out from the front, use cutting pliers or
a similar tool to cut out the tubing outlet slit (part indicated
by
) from the tubing cover. (Figs. 3-5 and 3-6)
Front
Bottom
Tubing cover
Remove 2 screws
(2) If the tubing is routed out from the bottom, remove the slit
part (
).
● Use a drill bit approximately 5 mm dia. to create holes at the
4 slit hole indentations (openings).
● Punch out the slit part (
● Be careful not to damage the base plate.
Indentation
(4 locations)
3-4. Prepare the Tubing
● Material: Use C1220 phosphorous deoxidized copper
as described in JIS H3300, "Copper and Copper Alloy
Seamless Pipes and Tubes."
(For tubes that are ø25.4 or larger, use 1/2H material or H
material. For all others use O material.)
● Tubing size
Use the tubing size indicated in the following table.
Refrigerant tubing (Existing tubing can be used.)
Tubing size (mm)
Outer dia.
Thickness
ø6.35
t0.8
ø9.52
t0.8
ø12.7
t0.8
ø15.88
t1.0
ø19.05
t1.0
ø22.22
t1.15
Remove
11 panel
screws from
front panel
Use cutting pliers or similar
tool to cut cover out
).
Slit hole
Outer dia.
Thickness
ø25.4
ø28.58
ø31.8
ø38.1
ø41.28
● When cutting the tubing, use a tube cutter, and be sure to
remove any burrs.
(The same applies to distribution tubing (optional).)
● When bending the tubes, bend each tube using a radius that
is at least 4 times the outer diameter of the tube.
When bending, use sufficient care to avoid crushing or
damaging the tube.
● For flaring, use a flare tool, and be sure that flaring is
performed correctly.
CAUTION
● Use sufficient caution during preparation of the tubing.
Seal the tube ends by means of caps or taping to
prevent dust, moisture, or other foreign substances
from entering the tubes.
3-5. Connect the Tubing
● Except for 705 type, use the supplied connector tubing. (See
figure below.)
705 type (8 horsepower)
Fig. 3-5
Refrigerant tubing
1
Suction tube
2
Discharge tube
3
Liquid tube
4
Balance tube
905 type (10 horsepower)
Fig. 3-6
Refrigerant tubing
1
Suction tube
2
Discharge tube
3
Liquid tube
4
Balance tube
t1.0
t1.0
t1.1
t1.15
t1.2
25
Connection
Use supplied
method
connector tube?
Brazed connection
Brazed connection
Brazed connection
Flared connection
Connection
Use supplied
method
connector tube?
Brazed connection Yes (ø19.05→ø22.22)
Brazed connection Yes (ø15.88→ø19.05)
Brazed connection
Flared connection
No
No
No
No
No
No

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