Prepare The Tubing; Connect The Tubing - Sanyo R410A Installation Instructions Manual

3-5. Prepare the Tubing

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Material: Use C1220 phosphorous deoxidized copper as described in JIS H3300, "Copper and Copper Alloy
Seamless Pipes and Tubes."
(For tubes that are ø1" (ø25.4 mm) or larger, use 1/2H material or H material. For all others use O material.)
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Tubing size
Use the tubing size indicated in the table below.
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When cutting the tubing, use a tube cutter, and be sure to remove any burrs.
(The same applies to distribution tubing (optional).)
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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.
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For flaring, use a flare tool, and be sure that flaring is performed correctly.
CAUTION
Refrigerant tubing (Existing tubing can be used.)
Outer dia. Thickness
ø1/4" (ø6.35) t1/32" (t0.8)
ø3/8" (ø9.52) t1/32" (t0.8)
ø1/2" (ø12.7) t1/32" (t0.8)
ø5/8" (ø15.88) t5/128" (t1.0)

3-6. Connect the Tubing

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Use the supplied connector tubing. (See figure below.)
07263 type (8 horsepower)
4 3 2
1
09663 type (10 horsepower)
2
4 3 1
Refrigerant tube port
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Use caulking, putty, or a similar material to fill any
gaps at the refrigerant tube port (
prevent rainwater, dust or foreign substances from
entering the unit.
* Perform this work even if the tubing is routed out
in a downward direction.
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.
Tubing size (mm)
Outer dia.
ø3/4" (ø19.05)
ø7/8" (ø22.22)
ø1-1/8" (ø28.58)
ø1-3/8" (ø34.92)
Refrigerant
Connection method
tubing
1 Brazed connection
Suction tube
2 Discharge tube Brazed connection
3 Liquid tube Brazed connection
4 Flared connection
Balance tube
Refrigerant
Connection method
tubing
1 Brazed connection
Suction tube
2 Discharge tube Brazed connection
3 Liquid tube
Brazed connection
Flared connection
4 Balance tube
) in order to
Thickness
over t5/128" (t1.0)
t5/128" (t1.0)
t5/128" (t1.0)
over t3/64" (t1.1)
Use supplied
connector tube?
Yes (ø3/4" ø7/8")
No
No
No
Use supplied
connector tube?
Yes (ø3/4" ø7/8")
Yes (ø5/8" ø3/4")
No
No
Tubing routed out forward
26
Tubing
cover
Tubing routed out downward
Base plate