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036-21323-002-C-0206

FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE

TECHNICAL GUIDE 

COMMERCIAL

SPLIT-SYSTEM COOLING UNITS

FOUR PIPE SYSTEM

MODELS HB 180 & HB 240
MODELS LB 180 & LB 240
15 & 20 NOMINAL TONS
9.7  EER

                     

®  

GENERAL SPECIFICATIONS

OUTDOOR UNIT:

Two independent refrigerant circuits

Inherently protected fan motors

Two independent scroll compressors

V-Coil Design

Exterior service port connections

Refrigerant-22 holding charge

Five-minute compressor anti-short cycle timer

Two independent control circuits

Compressor operation to 40°F

Field-installed Low Ambient VFD Control to 0°F

Five-year limited warranty on compressor

One-year limited warranty on all other parts

Simplicity Controls

Factory installed disconnect and Technicoat coils

INDOOR UNIT:

Factory-mounted expansion valve and filter-drier in both 
refrigerant circuit

Adjustable TXV’s

Two-inch throwaway filters

Single point power connection

One-year limited warranty on all parts

Field installed drive packages

Summary of Contents for HB 240

Page 1: ...ce port connections Refrigerant 22 holding charge Five minute compressor anti short cycle timer Two independent control circuits Compressor operation to 40 F Field installed Low Ambient VFD Control to...

Page 2: ...0 22 13 LB180 SUPPLY AIR PLENUM DIMENSIONS 23 14 RETURN AIR GRILLE FOR LB180 DIMENSIONS 23 LIST OF TABLES Tbl Pg 1 UNIT APPLICATION DATA 7 2 ARI RATINGS COOLING AND SOUND 7 3 ELECTRICAL DATA COMPRESSO...

Page 3: ...vertical applications the air velocity across the indoor coil keeps the condensate from dripping off the finned surface onto the filters NOTE On horizontal applications the unit must be installed with...

Page 4: ...ad operation Field installed Pump Out Kit for applications where liquid slugging could be an issue FIGURE 2 INDOOR PRODUCT NOMENCLATURE YORK INDOOR PRODUCT NOMENCLATURE H A 120 C 0 0 A 2 A A A 1 A Mod...

Page 5: ...Base Sections are available to raise vertical indoor units above the floor Outdoor air may be introduced through these bases by cutting an access opening for the out door air duct connection These ba...

Page 6: ...Unitary Products Group FIGURE 4 VERTICAL ARRANGEMENTS LB180 AND LB240 FIGURE 5 HORIZONTAL ARRANGEMENTS LB180 AND LB240 CERTAIN BLOWER POSITIONS ARE NOT RECOMMENDED BECAUSE THE BLOWER MOTOR SHOULD NOT...

Page 7: ...rd 370 TABLE 3 ELECTRICAL DATA COMPRESSORS Model Number Compressors Power Supply System 1 System 2 RLA LRA RLA LRA HB180 208 230 3 60 25 6 190 0 25 6 190 0 HB180 460 3 60 12 8 95 0 12 8 95 0 HB180 575...

Page 8: ...ctly connected to the condenser fans Motor rotation is counterclockwise when viewing the lead end which is opposite the shaft end 3 The amount of charge in the unit as shipped from the factory 4 Total...

Page 9: ...er Wiring 2 1 8 KO 2 1 8 KO Control Wiring 7 8 KO 7 8 KO TABLE 9 UNIT CLEARANCES Location Dimensions Overhead Top 1 1 Units must be installed outdoors Overhanging structures or shrubs should not obstr...

Page 10: ...ON LOCATIONS TABLE 11 PIPING AND ELECTRICAL CONNECTION SIZES CONNECTION ENTRY SIZE A SUCTION LINE SYS 1 1 1 8 ID 15 Ton 1 3 8 ID 20 Ton B LIQUID LINE SYS 1 5 8 ID C SUCTION LINE SYS 2 1 1 8 ID 15 Ton...

Page 11: ...check the following 1 Suction line pressure drop due to friction at full capacity 2 Liquid line pressure drop due to friction at full capacity 3 Suction line velocity for oil return at part capacity a...

Page 12: ...should be sized for a friction loss equivalent to a 2 F change in saturation temperature or approximately 3psi sizing the lines for the proper return of oil is more important 5 These friction losses...

Page 13: ...145 7 123 4 101 0 Indicates Nominal Capacity Rating Point INPUT POWER INCLUDES THE CONDENSER AND COMPRESSOR MOTORS BUT NOT THE INDOOR BLOWER MOTOR 15 Ton Capacity Tables HB180 Matched with LB180 AIR...

Page 14: ...0 2 127 8 105 5 83 1 Indicates Nominal Capacity Rating Point INPUT POWER INCLUDES THE CONDENSER AND COMPRESSOR MOTORS BUT NOT THE INDOOR BLOWER MOTOR 15 Ton Capacity Tables HB180 Matched with LB180 AI...

Page 15: ...5 127 3 112 1 97 0 81 8 57 150 4 22 0 150 4 147 6 138 6 123 5 108 3 93 1 78 0 6000 72 174 2 23 3 129 7 112 2 94 7 77 2 59 7 N A N A 67 160 1 22 7 159 4 141 9 124 4 106 9 89 4 71 9 54 4 62 149 2 22 1 1...

Page 16: ...89 8 162 4 134 9 Indicates Nominal Capacity Rating Point INPUT POWER INCLUDES THE CONDENSER AND COMPRESSOR MOTORS BUT NOT THE INDOOR BLOWER MOTOR 20 Ton Capacity Tables HB240 LB240 AIR ON EVAPORATOR O...

Page 17: ...MOTORS BUT NOT THE INDOOR BLOWER MOTOR 20 Ton Capacity Tables HB240 LB240 AIR ON EVAPORATOR OUTDOOR AMBIENT TEMPERATURE F 115 CFM W B GROSS INPUT GROSS SENSIBLE CAPACITY MBh TEMP CAP POWER RETURN AIR...

Page 18: ...3 1 2 91 972 3 6 3 36 5600 688 1 9 1 76 776 2 4 2 24 859 2 9 2 68 924 3 3 3 05 981 3 8 3 56 5800 696 2 0 1 85 785 2 5 2 36 873 3 0 2 83 931 3 4 3 2 990 4 0 3 75 6000 647 1 9 1 78 704 2 1 1 95 794 2 7...

Page 19: ...N BLOWER PERFORMANCE 15 TON BLOWER PERFORMANCE 0 4 0 6 0 8 1 1 2 1 4 1 6 4200 4700 5200 5700 6200 6700 7200 7700 CFM ESP FIGURE 9 20 TON BLOWER PERFORMANCE 20 TON BLOWER PERFORMANCE 0 4 0 6 0 8 1 1 2...

Page 20: ...8 1LD0437 800 1000 2LR04605032 184 230 460 1LD0437 800 1000 2LP04605058 184 575 1LD0437 800 1000 1LD0439 700 830 LB240 5 2LR04605023 184 208 1LD0438 580 720 1LD0439 700 830 2LR04605032 184 208 230 460...

Page 21: ...Ton Indoor Vertical 720 830 198 224 217 191 89 5 29 5 20 Ton Indoor Horizontal 990 1115 212 195 340 368 100 74 20 Ton Indoor Vertical 990 1115 281 254 276 305 100 36 5 FIGURE 10 HORIZONTAL APPLICATIO...

Page 22: ...TION D D D E LESS BOTTOM PANEL BLOWER SECTION J L K K KNOCKOUT FOR SUCTION PIPING KNOCKOUT FOR LIQUID PIPING KNOCKOUT FOR DRAIN PIPING 4 9 16 10 3 16 2 7 32 19 3 32 3 1 2 5 25 64 3 3 8 5 1 3 8 Knockou...

Page 23: ...036 21323 002 C 0206 Unitary Products Group 23 FIGURE 13 LB180 SUPPLY AIR PLENUM DIMENSIONS1 1 Shipped knocked down for field assembly FIGURE 14 RETURN AIR GRILLE FOR LB180 DIMENSIONS...

Page 24: ...bration generated by the unit CONDENSER LA300 LB180 240 360 480 600 EACH UNIT SHALL BE ETL and cETL approved completely assembled for one piece shipping and rig ging leak pressure and functionally tes...

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