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CAUTION
•
Avoid piping on wet and rainy days.
•
Use only clean, refrigeration-grade
copper tubing.
•
Use tubing benders to guard against
kinking.
•
Be certain no burrs remain on the
fittings.
•
Cap ends of lines until ready for con-
nections.
•
Be certain that plastic end caps remain
in place when inserting through wall
openings.
•
Insulate the suction line.
•
Isolate tubing from transmitting vibra-
tion to the building or unit and avoid
contact with sharp edges.
•
Wrap refrigeration valves with a wet
rag "heat sink" to protect valves while
brazing. (See Figure 16, Page 12.)
Refrigerant piping
1.
Clean the ends of tubing and insert into
fittings (Figure 15).
2.
Protect valves by wrapping with a wet rag
"heat sink" before brazing (Figure 16).
3.
Use a shield to protect the paint as shown
in Figure 17. (The shield can be made
from scrap metal.)
4.
Braze tubing into fittings.
Comfort where it counts
S1CG/S1HG
• Installation, Operation and Maintenance Manual •
Refrigerant Piping
12
S2CG/S2HG
Single-Zone,
(continued)
Figure 15
Clean ends of tubing
Figure 16
Wet rag "heat shield over valves
S1CG
Shown
Figure 17
Make a shield to protect paint
S1CG
Shown
S2CG
Shown
P/N 240007754, Rev. A [051509]
Dual-Zone
S2CG
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