4
F
Suction Line Insulation. All suction lines are to be insulated with
a recognized tubing insulation that is a minimum of 3/8" thick.
Solder. Solder should consist of a minimum of 2% silver.
Hangers and Isolation. All refrigerant lines are to be isolated from
the structure and supported with hangers. See Figure 4 below for
details.
Inverted Suction Line Loop. When the condenser is located at
the same level or above the evaporator section, an inverted loop
is to be employed on the suction line. This practice will prevent
liquid refrigerant from migrating into the compressor during
shutdown. See
Figure 5.
X
Refrigerant Tubing
To avoid overheating of the service valves, protect the valve
with a wet rag or similar approved thermal heat trap. Failure to
observe this practice can result in damage to the valve.
As previously noted, protective clothing and eye protection
should be used when making any welded connection.
Preparing the Tubing. All cut ends are to be round, burr free
and cleaned. Failure to follow this practice increases the
chances for refrigerant leaks.
Post Brazing. Quench all welded joints with water or a wet rag.
Corner
CPLE090
CPLE120
A
95 Lbs.
110 Lbs.
B
95 Lbs.
110 Lbs.
C
80 Lbs.
85 Lbs.
D
95 Lbs.
110 Lbs.
Arrange the straps to form a central suspension point (see Figure
2 for details). When raising and setting the unit, observe all
safety rules. When the unit is in position, the wooden shipping
skid, all protection and lifting materials are to be removed.
IX
Unit Corner Weight
The following table and sketch are to be used for determining
the unit corner weight. The unit net weight and shipping weight
is provided in the “Product Description” section, Page 2, of this
manual.
A
35.500"
35.500"
C
D
B
41.500"
Oil Return. To facilitate oil return to the compressor, a horizon-
tal suction line should be pitched (1/2" per 10’) toward the
condensing unit.
L = Liquid Line S = Suction Line * = Full Rating Line Size
Figure 3.
Table 3.
Piping Size Use a carefully estimated length of refrigerant tubing
(distance between condenser and evaporator). Apply the
following table to determine the tubing diameter:
WARNING
Table 2.
Figure 4.
Figure 5.
MODEL
L
S
L
S
L
S
L
S
CPLE090
5/8
1-1/8
5/8
1-3/8
5/8
1-3/8
5/8
1-3/8
CPLE120
5/8
1-3/8
5/8
1-5/8
5/8
1-5/8
5/8
1-5/8
50' - 74'
75' - 99'
Outside Diameter Line Size (in.)
0' - 24'
*25' - 49'