York YLUA0248 Series, Installation Operation & Maintenance

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JOHNSON CONTROLS
38
FORM 150.73-NM2
ISSUE DATE: 09/07/2020
SECTION 4 – INSTALLATION
TABLE 1 - FITTING EQUIVALENT LENGTHS
*COPPER FITTING EQUIVALENT LENGTHS
LINE SIZE O.D. SHORT-RADIUS ELL LONG-RADIUS ELL
3/4" (19mm) 6.5 ft. (2m) 4.5 ft. (1.4m)
7/8" (22mm) 7.8 ft. (2.4m) 5.3 ft. (1.6m)
1-1/8" (29mm) 2.7 ft. (.8m) 1.9 ft. (.6m)
1-3/8" (35mm) 3.2 ft. (1m) 2.2 ft. (.7m)
1-5/8" (41mm) 3.8 ft. (1.2m) 2.6 ft. (8m)
2-1/8" (54mm) 5.2 ft. (1.6m) 3.4 ft. (1m)
2-5/8" (67mm) 6.5 ft. (20m) 4.2 ft. (1.3m)
TABLE 2 - REFRIGERANT PIPING CHARGES
R410a suct @ 36 deg liq @ 105 deg
SUCTION LINES
SIZE ID CU FT DENSITY LB/
CU FT
OZ/FT GRAMS/30 CM
1-3/8” (35mm) 1.3 0.0 2.1 0.3 8.1
1-5/8” (41mm) 1.5 0.0 2.1 0.4 11.5
2-1/8” (54mm) 2.0 0.0 2.1 0.7 20.0
2-5/8” (67mm) 2.5 0.0 2.1 1.1 30.9
LIQUID LINES
3/4” (19mm) 0.7 0.0 60.9 2.4 66.8
7/8” (22mm) 0.8 0.0 60.9 3.3 92.8
1-1/8” (29mm) 1.0 0.0 60.9 5.6 158.3
1-3/8” (35mm) 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.