York HA300 Technical Manual

Contents

036-21345-001-B-01058 Unitary Products GroupTABLE 7: LIQUID LINESModel Designation NominalCapacity (Tons)Refrigerant FlowRate (Lbs./Min.)Copper Tubing(Inches, O.D.)RefrigerantLiquid Velocity(Ft./Min.)Friction Loss(PSI/100 Ft.)HA300 System #1 Full Capacity 25 805/8 500 14.27/8 265 3.41 1/8 156 1.0HB360System #1 Full Capacity 15 475/8 330 7.97/8 159 1.41 1/8 100 0.8System #2 Full Capacity 15 475/8 330 7.97/8 159 1.41 1/8 100 0.8HB480System #1 Full Capacity 20 645/8 440 13.27/8 212 2.31 1/8 90 0.6System #2 Full Capacity 20 645/8 440 13.27/8 212 2.31 1/8 90 0.6HB600System #1 Full Capacity 25 765/8 400 8.57/8 265 3.41 1/8 156 1.0System #2 Full Capacity 25 765/8 400 8.57/8 265 3.41 1/8 156 1.0TABLE 8: R-22 LINE CHARGE 1LINE SET, O.D. 2 O.D., (INCHES) REFRIGERANT, LB/FTLIQUID 7/8 0.236SUCTION 1 5/8 0.0192 1/8 0.0331 Charges based on 40 ºF suction temperature and 105ºF liquid temperature.2 Type “L” copper tubing.NOTE: Add the operating charge of the condensing unit, the evaporator coil and the refrigerant lines to determine the total refrigerantcharge of the system.