Table 1 - Fitting Equivalent Lengths; Table 2 - Refrigerant Piping Charges; Table 3 - Miscellaneous Liquid Line Pressure Drops - York YLUA0248 Series Installation Operation & Maintenance

SECTION 4 – INSTALLATION

TABLE 1 - FITTING EQUIVALENT LENGTHS

LINE SIZE O.D.
3/4" (19mm)
7/8" (22mm)
1-1/8" (29mm)
1-3/8" (35mm)
1-5/8" (41mm)
2-1/8" (54mm)
2-5/8" (67mm)

TABLE 2 - REFRIGERANT PIPING CHARGES

SIZE
1-3/8" (35mm)
1-5/8" (41mm)
2-1/8" (54mm)
2-5/8" (67mm)
3/4" (19mm)
7/8" (22mm)
1-1/8" (29mm)
1-3/8" (35mm)

TABLE 3 - MISCELLANEOUS LIQUID LINE PRESSURE DROPS

SOLENOID VALVE
FILTER/DRIER
SIGHT GLASS
* Pressure drops or equivalent length values are approximate. If more precise value is desired, consult ASHRAE Refrigerant Handbook.
38
*COPPER FITTING EQUIVALENT LENGTHS
SHORT-RADIUS ELL
7.8 ft. (2.4m)
3.8 ft. (1.2m)
5.2 ft. (1.6m)
6.5 ft. (20m)
R410a suct @ 36 deg
SUCTION LINES
ID CU FT
1.3 0.0
1.5 0.0
2.0 0.0
2.5 0.0
LIQUID LINES
0.7 0.0
0.8 0.0
1.0 0.0
1.3 0.0
*MISCELLANEOUS LIQUID LINE PRESSURE
6.5 ft. (2m)
2.7 ft. (.8m)
3.2 ft. (1m)
liq @ 105 deg
DENSITY LB/
CU FT
2.1
2.1
2.1
2.1
60.9
60.9
60.9
60.9
2 TO 3 PSI (13.8 TO 20.7 kPa)
2 TO 3 PSI (13.8 TO 20.7 kPa)
FORM 150.73-NM2
ISSUE DATE: 09/07/2020
LONG-RADIUS ELL
4.5 ft. (1.4m)
5.3 ft. (1.6m)
1.9 ft. (.6m)
2.2 ft. (.7m)
2.6 ft. (8m)
3.4 ft. (1m)
4.2 ft. (1.3m)
OZ/FT GRAMS/30 CM
0.3
0.4
0.7
1.1
2.4
3.3
5.6 158.3
8.5 241.1
0.5 PSI (3.4 kPa)
JOHNSON CONTROLS
8.1
11.5
20.0
30.9
66.8
92.8