JOHNSON CONTROLS
36
FORM 150.73-NM1
ISSUE DATE: 09/04/2020
SECTION 4 – INSTALLATION
TABLE 1 -
FITTING EQUIVALENT LENGTHS
*COPPER FITTING EQUIVALENT LENGTHS
LINE SIZE O.D.
SHORT-RADIUS ELL
LONG-RADIUS ELL
3/4 in. (19 mm)
6.5 ft. (2 m)
4.5 ft. (1.4 m)
7/8 in. (22 mm)
7.8 ft. (2.4 m)
5.3 ft. (1.6 m)
1-1/8 in. (29 mm)
2.7 ft. (.8 m)
1.9 ft. (0.6 m)
1-3/8 in. (35 mm)
3.2 ft. (1 m)
2.2 ft. (0.7 m)
1-5/8 in. (41 mm)
3.8 ft. (1.2 m)
2.6 ft. (0.8 m)
2-1/8 in. (54 mm)
5.2 ft. (1.6 m)
3.4 ft. (1.0 m)
2-5/8 in. (67 mm)
6.5 ft. (20 m)
4.2 ft. (1.3 m)
TABLE 2 -
REFRIGERANT PIPING CHARGES
R410A SUCT AT 36 DEG LIQ AT 105 DEG
SUCTION LINES
SIZE
ID
CU FT
DENSITY LB/CU FT
OZ/FT
GRAMS/30 CM
1-3/8 in. (35 mm)
1.3
0.0
2.1
0.3
8.1
1-5/8 in. (41 mm)
1.5
0.0
2.1
0.4
11.5
2-1/8 in. (54 mm)
2.0
0.0
2.1
0.7
20.0
2-5/8 in. (67 mm)
2.5
0.0
2.1
1.1
30.9
LIQUID LINES
3/4 in. (19 mm)
0.7
0.0
60.9
2.4
66.8
7/8 in. (22 mm)
0.8
0.0
60.9
3.3
92.8
1-1/8 in. (29 mm)
1.0
0.0
60.9
5.6
158.3
1-3/8 in. (35 mm)
1.3
0.0
60.9
8.5
241.1
TABLE 3 -
MISCELLANEOUS LIQUID LINE PRESSURE DROPS
*MISCELLANEOUS LIQUID LINE PRESSURE
SOLENOID VALVE
2 to 3 psi (13.8 to 20.7 kPa)
FILTER/DRIER
2 to 3 psi (13.8 to 20.7 kPa)
SIGHT GLASS
0.5 psi (3.4 kPa)
* Pressure drops or equivalent length values are approximate. If more precise value is desired, consult ASHRAE Refrigerant Handbook.
Summary of Contents for YLUA0078
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