York 480, 600, LA300, LB360

036-21335-002-A-1102

Unitary Products Group 3

NOTE: LB600 matches with both HB480 and HB600

Outdoor Condensing Units for maximum effi-

ciency.

NOTE: LB480 Indoor and HB480 Outdoor Units do

match up, but do not meet ASHRAE 90.1 stan-

dards for efficiency.

YORK SPLIT INDOOR PRODUCT NOMENCLATURE

LA300 C00 A 6 A AA 1 A

Model # Model Number

Description Options

L Product Category L = Air Handling Unit - Cooling F= Air Handling Unit - Heat Pum p

A Product Identifier A = R-22 Standard Efficiency 2-Pipe

B = R-22 Standard Efficiency 4-Pipe

300 Nominal Cooling

Capacity

MBH

300 = 25 Ton

360 = 30 Ton

480 = 40 Ton

600 = 50 Ton

C Heat Type C = Cooling Only

00 Nominal Heating

Capacity 00 = No Heat Installed

A Airflow Options A=None

6 Voltage 0=None

5 = 575-3-60 6 = 208/230-460-3-60

A Factory Options A=None

AA Special O ptions AA = None

1 Product Generation 1 = First Generation 2 = Second Generation

FIGURE 1: PRODUCTNOMENCLATURE

Contents

Main TABLE OF CONTENTS LIST OF FIGURES LIST OF TABLES Page DESCRIPTION MODULAR DESIGN FIGURE 2: UNITINSTALLATION FACTORY-MOUNTED COMPONENTS ACCESSORIES TABLE 1: STATIC RESISTANCES FOR UNIT ACCESSORIES TABLE 2: UNIT MOUNTING DIMENSIONS 036-21335-002-A-1102 FIGURE 3 : DETAILS FOR SECURING BOTTOM MOUNTING SUPPORTS FIGURE 4 : LA300/LB360 WEIGHT DISTRIBUTION VERTICAL LA300, LB360, LB480 UNIT SUPPORTED FROM BELOW TABLE3 : CORNER WEIGHTS TABLE 4: ACCESSORYOP ERATINGWEIGHT DISTRIBUTION (LBS) TABLE5 : UNIT BLOWER MOTORDATA Note: Three elementsrequired per unit. TABLE 6: UNIT DRIVE DATA TABLE7: MOTOR OVERLOAD ELEMENTS TABLE8 : HOT WAT ER COIL CAPACITIES TABLE9 : HOTWATER COIL CAPACITY CORRECTION AND PRESSURE DROP VS GPM 036-21335-002-A-1102 TABLE 10: STEAM COIL CAPACITIES1,MBH@2PSIG TABLE11: CORRECTION FACTORS FOR HIGH STEAM 036-21335-002-A-1102 FIGURE 5: UNITDIMENSIO NS - LA300, LB360 & LB480 { See detailed drawings for piping and drain connections on following pages. TABLE 12: UNIT DIMENSIONS - LA300, LB360, LB480 FIGURE 6: 25TON LIQUID LINE SOLENOID WIRING FIGURE 7: 30,40 & 50 TON LIQUID LINE SOLENOID WIRING FIGURE 8: LA300PIPING CONNECTIONS FIGURE 9: LB360PIPING CONNECTIONS FIGURE 10: LB480 PIPING CON NECTIONS TABLE 13: UNIT CONNECTION SIZES 036-21335-002-A-1102 FIGURE 11: UNIT DIMENSIONS - LB600 FIGURE 12: LB600 PIPING CONNECTIONS - END PANEL DETAIL FIGURE 13: HOTWATER COIL DIMENSIONS TABLE 14: HOT WATERCOIL DIMENSIONS FIGURE 14: STEAM COIL DIMENSIONS TABLE15: STEAM COIL DIMENSIONS TABLE16:BASESECTIONSDIMENSIONS FIGURE 15: BASE SECTION DIMENSIONS Page TABLE 17: PHYSICAL DATA TABLE 18: ELECTRICAL DATA UNIT MODEL HP FLA VOLTAGE (3PH-60HZ) MIN. CIRCUIT AMPACITY MAX. FUSE SIZE (Amps) TABLE1 9: FANPERFORMANCE DATA - 25 TON TABLE2 0: FANPERFORMANCE DATA - 30 TON FIGURE 16: BLOWER CURVE LA300 & LB360 LA300 & LB360 3 BHP TABLE2 1: FANPERFORMANCE DATA - 40 TON TABLE2 2: FANPERFORMANCE DATA - 50 TON 036-21335-002-A-1102 FIGURE 17: BLOWER CURVE LB480 LB480 500 RPM 1000 RPM 15 BHP 12-1/2 BHP LB600 500 RPM 16 BHP 14 BHP 12 BHP GUIDE SPECIFICATIONS