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Page 1
036- 21335-002- A-1102 FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE TECHNICAL GUIDE SPLIT-SYSTEM AIR-COOLED EVAPORATOR BLOWER 25, 30, 40 & 50 TON LA300, LB 360, 48 0 & 600 ® 1 This product was manufactured in a plant whose quality system is certified/registered as being in conformity with ISO9001. PROVEN PERFORMANCE G[...]
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036-213 35-002- A-1102 2 Unitary Products Group T ABLE O F CONTENTS D E S C R I P T I O N ...... ...... .......... ....... 4 M O D U L A RD E S I G N .. ...... .......... ....... 4 F A C T O R Y - M O U N T E D C O M P O N E N T S ... ....... 4 A C C E S S O R I E S ...... ......... .......... .... 4 G U I D ES P E C I F I C A T I O N S ... .......[...]
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036-2133 5-002-A-1 102 Unitary Products Group 3 NOTE: LB600 m atches wit h both HB480 and HB 600 Outdoor Co ndensing U nits for max imum effi- ciency . NOTE: LB480 I ndoor and HB4 80 Outdoor Units do match up, b ut do not me et ASHR AE 90.1 stan- dards fo r efficie ncy . YORK SPLIT INDOOR PRODUCT NOMENCLATURE L A 300 C 00 A 6 A AA 1 A Model # Model[...]
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036-213 35-002- A-1102 4 Unitary Products Group DESCRIPTION Evaporato r blower uni ts are d esigned w ith two d istinc t mod- ules to pro vide m aximum ap plica tion fle xibil ity . Th e 25, 30 a n d4 0t o nu n i t sa r es h i p p e da ss i n g l ep a c k a g e sw i t ht h e blowe r modul e mounted o n top of the coil mo dule, Th e blowe r module c[...]
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036-2133 5-002-A-1 102 Unitary Products Group 5 STEAM COILS (LA300 & L B360 only ): A steam coil is avail- able on t he 25 & 30 T on for in stall atio n betw een the b lowe r and coil m odule s of both horiz ont al and v ertical uni ts . Since the casi ng matches the dimens ions and t he finish o f the ba sic unit, it beco mes an integr al [...]
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036-213 35-002- A-1102 6 Unitary Products Group FIGURE 3 : DET AI LS FOR SECURING BOTTOM MOUNTING SUPPORTS FIGURE 4 : LA300/LB360 WEIGHT D ISTRIBUTION 3 NO TE : Th e f oll ow ing ill ustr ati on sh ow s how th e c ha nn els s hou ld be s ecure d t o t he un it u sin g t he h ard wa re p rov ide d w ith th e s us pe nsio n acc es so ry. (2) 9/ 16 HO[...]
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036-2133 5-002-A-1 102 Unitary Products Group 7 T ABLE 3: CORNER WEIGHTS UNI T- MODEL Un it Weigh t Configur ation A B C D Shipping Op eration LA300 11 8 0 11 2 5 HO RIZONT AL 276 317 285 247 VERTICAL 262 301 301 262 LB360 11 8 0 11 4 6 HO RIZONT AL 281 323 290 252 VERTICAL 266 307 307 266 LB480 1510 1426 HORIZONT AL 348 414 361 303 VERTICAL 292 34[...]
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036-213 35-002- A-1102 8 Unitary Products Group Note: Three el ement s required per uni t. T A BLE 6: UNIT DRIV E DATA UNI T MODEL DRIVE KIT MODEL NUMBER BLOWER RPM RANGE ADJUST ABLE MOTOR PULLEY FIXED BLOWER PULLEY BEL TS PITCH DIA . (IN.) BORE (IN.) PITCH DIA. (IN. ) BORE (IN. ) QTY . PITCH LENG TH (IN.) DESIGNATION LA300 1LD0440 600 - 750 4.0 - [...]
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036-2133 5-002-A-1 102 Unitary Products Group 9 T ABLE 8: HOT W A TER COIL CAP ACITIES 1 UNIT MODEL HOT W A TER COIL MODEL GPM CFM ENTERING W A TER TEMPERA TURE MINUS ENTR Y AIR TEMPERA TURE °F . 70 90 1 10 130 150 LA300 1HW0406 50 6,000 204 263 325 384 443 8,000 236 304 372 440 508 10,000 265 341 416 492 568 12,000 291 374 457 540 623 LB360 50 8,[...]
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036-213 35-002- A-1102 10 Unitary Products Group NOTE: S team Rate = (lbs/Hr .) = 1.025 x MBH T A BLE 10: STEAM COIL CAP ACITIES 1 ,M B H@2 P S I G 2 UNIT MODEL STEA M COIL MODEL CFM DRY BULB TEMPERA TURE OF AIR ENTERING COIL (°F) 10 30 50 70 LA300 1NF0454 6,000 471 424 380 330 8,000 535 483 432 380 10,000 592 535 478 422 12,000 642 580 518 456 LB[...]
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036-2133 5-002-A-1 102 Unitary Products Group 11 FIGURE 5: UNIT DIMEN SIONS - LA30 0, LB360 & LB480 AIR OUT AIR OUT AIR IN AIR IN 5/8 5/8 5/8 PANEL 5/8 BOTTOM PANEL 7/8 KNOCKOUTS FOR POWER AND CONTROL WIRING M C A B EV APORA TOR COIL SECTION D D D E LESS BOTTOM P ANEL { BLOWER SECTION J L K K See detailed dra wings f or piping and drain connect[...]
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036-213 35-002- A-1102 12 Unitary Products Group FIGURE 8: LA300 PIPING CONNECTIONS FIGURE 9: LB360 PIPING CONNECTIONS SUCTION LIQUID LIQUID (SYS. #1) LIQUID (SYS. #2) SUCTION (SYS. #2) SUCTION (SYS. #1) FIGURE 10: LB48 0 PIPING C ONNECTIONS T ABLE 13: UNIT C ONNECTION SIZES Connection En try Co nn ect ion Siz e LA30 0 LB360 L B480 LB600 + M2CX60 0[...]
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036-2133 5-002-A-1 102 Unitary Products Group 13 FIGURE 1 1: UNIT DIMENSIONS - LB600 FIGURE 12: LB600 PIPING CONN ECTIONS - END P ANEL DETAIL 6.7" 13.5" 6.0" 2.1" 3.0" 10.1" 23.86" 3.0" 3.8" Liquid Line Sys. #2 4.0" 24.0" 13.5" 4.7" Liquid Line Sys. #1 Condensate Drain Suction Line Sy[...]
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036-213 35-002- A-1102 14 Unitary Products Group FIGU RE 1 3: H OT W A TER C OIL D IME NSIO NS T AB LE 14: HOT W A TER COIL DIMENSIONS COI L MODEL UNIT MODE L DIMENSIONS AB C D E F 1HW0406 LA300 LB360 100-1/8 37-7/8 6-3/4 3-7/8 1-3/8 1-3/8 1HW0407 LB480 LB600 103-1/8 45-1/4 6-1/2 4 1-5/8 1-5/8 FIGURE 14: STEAM COIL DIMENSIONS T ABLE 15: STEAM C OIL[...]
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036-2133 5-002-A-1 102 Unitary Products Group 15 T ABLE 17: PHYSICAL DAT A DESC RIPTIO N MODEL LA300 LB360 LB480 LB600 EV APORA TOR COIL Rows Deep X Rows High 4 x 40 4 x 40 4 x 50 4 x 62 Finned Length, Inches 93 93 96 96 Face Ar ea, Feet 2 25.8 25.8 33.3 41.3 T ube (copper) O D, Inches 3/8 3/8 3/8 3/8 Fins (Aluminum) per 1 inch 16 16 16 16 Piping C[...]
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036-213 35-002- A-1102 16 Unitary Products Group COMPONENT WEIGHT Basic Unit (Less Motor & Drive) 980 980 1260 1474 Shipping Weight (lbs) 1 180 1 180 1510 1572 Operating Weight (lbs) 1 125 1 146 1426 1640 Accessories H ot Water Coil 150 150 190 190 S team Coil 160 160 - - Blower Motor (175 0 RPM) 1 17 (5hp) 1 17 (5hp) - - 120 (7.5hp) 120 (7.5hp[...]
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036-2133 5-002-A-1 102 Unitary Products Group 17 T ABLE 18: ELECTRICAL DA T A UNIT MODEL HP FLA VOL T AGE (3PH-60HZ) MIN. CIRCUIT AMP ACITY MAX. FUSE SIZE (Amps ) LA300 5 16.7 208 21 35 15.2 230 19 30 7.6 460 10 15 6.1 575 8 15 7.5 24.2 208 30 50 22 230 28 45 1 1 460 14 20 9 575 1 1 20 LB360 5.0 16.7 208 21 35 15.2 230 19 30 7.6 460 10 15 6.1 575 8[...]
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036-213 35-002- A-1102 18 Unitary Products Group T A BLE 19: F AN PERFORMANCE DA T A - 25 T ON 1 RPM CFM 8,000 9,000 10,000 1 1,000 12,000 SP 2 BHP 3 K W SP 2 BHP 3 K W SP 2 BHP 3 K W SP 2 BH P 3 K W SP 2 BHP 3 K W 600 - - - 0.30 2.5 2. 3 0.20 3.1 2.9 0.02 3.6 3.4 - - - 635 0.56 2.4 2.3 0.43 2.7 2.6 0.31 3.3 3.1 0.13 3.8 3.5 - - - 700 0.80 3.0 2.8 [...]
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036-2133 5-002-A-1 102 Unitary Products Group 19 FIGURE 16: BLOWER CURVE LA300 & LB360 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 L A300 & LB360 Available external static pres- sure for unit accessories a nd the duct system. Inte rnal[...]
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036-213 35-002- A-1102 20 Unitary Products Group T A BLE 21: F AN PERFORMANCE DA T A - 40 T ON 1 RPM CFM 12,800 14,400 16,000 17,600 19,200 SP 2 BHP K W SP 2 BH P K W SP 2 BHP K W SP 2 BHP K W SP 2 BHP K W 600 0.20 4.3 3.7 - - - - - - - - - - - - 640 0.38 4.8 4.1 0.19 5.6 4.8 - - - - - - - - - 700 0.65 5.5 4.7 0.47 6.4 5.5 0.28 7.2 6.2 - - - - - - [...]
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036-2133 5-002-A-1 102 Unitary Products Group 21 FIGURE 17: BLOWER CURVE LB480 Ava il ab le ex t erna l stat i c pr es- sure for unit accessor ies and the duct system. In te rn al unit r es is ta n ce b a se d on a dry coil plus 2" th ro w aw ay f ilte rs. 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 3.2 3.0 2.8 2.6[...]
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036-213 35-002- A-1102 22 Unitary Products Group FIGURE 18: BLOWER CURVE LB600 LB600 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 16 BHP 14 BHP 12 BHP 10 BHP 8 BHP 6 BHP 500 RPM 600 RPM 700 RPM 800 RPM 900 RPM 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 AvaIlable external static pres- sure for unit acc[...]
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036-2133 5-002-A-1 102 Unitary Products Group 23 GUIDE SPECIF ICA TIONS EACH UNIT SHALL BE: • Covered b y a 1-y ear li mited p art s warran ty on t he com- plet e uni t. • In current produ ction with pub lishe d literature avai lable to chec k perfo rmance, l imit atio ns, spec ifica tions, power requirem ent s, dim ensions , opera tion an d ap[...]
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Subject to chan ge without notice . Printed in U.S.A. 036-21335 -002-1-1102 Copyright © by Uni tary Produc ts Group 2002. All righ ts reserv ed. Supe rsedes: 036-2 1335-0 01-B-0202 Uni tary 5005 N orm an Product s Y or k OK Group Drive 73069[...]