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Tubing specifications
The system will support refrigerant runs to
the inside unit as listed in Table 1, Page 11.
The units are furnished with sweat connec-
tions and are equipped with refrigerant valves
and Schrader fittings for charging and taking
pressure readings.
CAUTION
It is recommended that a
installed in the liquid line, at the indoor
unit on models without a factory-in-
stalled filter drier (i.e. 18K and larger).
Table 1
S1CG/S2CG tubing specifica-
tions (see Table 14, Page 11)
Model
Max.
Max.
Length
Lift
"H"
09
50'
20'
(15 m)
(6 m)
12
18
24
100'
35'
(30 m)
(11 m)
30
36
P/N 240007754, Rev. A [051509]
S1CG/S1HG
• Installation, Operation and Maintenance Manual •
Refrigerant Piping
be
filter drier
Max.
Liquid
Suction
Trap
Line
Line
Height
"P"
O.D.
O.D.
1/4"
1/2"
15'
(5 m)
1/4"
1/2"
3/8"
5/8"
3/8"
3/4"
20'
(6 m)
3/8"
3/4"
3/8"
3/4"
S2CG/S2HG
Single-Zone,
P-trap installation
•
A P-trap is recommended when the
suction riser is equal to or greater than
show in Figure 14, Page 11 and Table 1,
Page 11.
•
When the condenser is installed above the
evaporator, the P-trap will help the return
of oil back to the compressor.
Figure 14
P-trap placement (see
Page 11 for dimensions H & P)
•
A P-trap may be fabricated using (2) street
elbows and (2) regular elbow.
•
A prefabricated trap may be purchased
from a wholesaler or distributor however
the trap should be shallow as with the (3)
elbow configuration.
•
Each elbow is approximately 2 equivalent
feet.
•
One P-trap is equal to approximately
12 equivalent feet.
•
P-traps are not required at the foot of the
hot gas risers due to increased oil flow at
higher temperatures.
11
Dual-Zone
Table 1,
Made in the USA
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