Benutzeranleitung / Produktwartung LB480 des Produzenten Energy Tech Laboratories
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NOTES, CAUTIONS AN D W ARNINGS Instal ler should p ay particu lar attention t o the words: NOTE , CAUTION , and WARNING . Notes are int ended to clarif y or make th e inst allation eas ier .
035-1849 6-000-C-1 102 2 U n i t a r yP r o d u c t sG r o u p T ABLE OF CONTENTS G E N E R A L ........... ........... ............ .... 4 NOTES, CAUTIONS AND WARNINGS . . . . . . . . . . . . . . . . 4 R E P L A C E M E N TP A R T S ......... .......
035-1849 6-000-C-1 102 Unit ary Products G roup 3 LIST OF TABLES Tbl.# Pg.# 1 UNIT APPLICATION DATA . . . . . . . . . . . . . . . . . . . . . 5 2 P H Y S I C A LD A T A ....... ............ ..........6 3 U N I TM O U N T I N GD I M E N S I O N S .....
035-1849 6-000-C-1 102 4 U n i t a r yP r o d u c t sG r o u p GENERAL The LA and LB ev aporator unit s are designed for use with th e HA/HB Se ries condens ing units.U nits are d esigned to matc h up with LA/ LB series Evaporator Blow ers to meet ASHRAE 90.
035-1849 6-000-C-1 102 Unit ary Products G roup 5 NOTE: LB600 Ind oor Unit match es with both HB 480 and HB600 Ou tdoor Condensi ng Units for maximum effic iency .
035-1849 6-000-C-1 102 6 U n i t a r yP r o d u c t sG r o u p T A BLE 2: PHYSI CAL DATA 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 Are a, Feet 2 25.
035-1849 6-000-C-1 102 Unit ary Products G roup 7 BLOWER MOTOR MOUNTING LOCA TIONS Unit s are shipped f rom the factory less m otor and drives . The blowe r motor and drive p ackages are ordered and sh ipped sep arately for field m ounting.
035-1849 6-000-C-1 102 8 U n i t a r yP r o d u c t sG r o u p MOTOR MOUNT ARRANGEMENTS The mot or mounting a rrangement ca n be changed to allow motor ac cess based on th e airflow arrang ement required . The recomm ended motor location f or each blowe r arrange- ment is as fo llows.
035-1849 6-000-C-1 102 Unit ary Products G roup 9 LB600 MOTOR ARRANGEMENTS The LB 600 un it is s hippe d with t he mot or m ount in t he stan - dard locati on as shown in 2.
035-1849 6-000-C-1 102 10 U n i t a r yP r o d u c t sG r o u p FIGURE 6 - V ERTICAL AIRFLOW ARRANGEM ENTS FIGURE 7 - HORIZONT AL AIRFLOW ARRANGEMENTS AIR AIR BLOWER 1 VERTICAL ARRANGEMENTS EVAPORATOR COIL AIR AIR 2 AIR AIR AIR AI R 4 AIR AIR 5 AIR AIR 6 3 * IF REQUIRED, SOME AIR CAN BE BROUGHT THROUGH THE BOTTOM OF THE EVAPORATOR SECTION.
035-1849 6-000-C-1 102 Unit ary Products G roup 11 LB600 AIR DISCHARGE The LB600 blow er and coil section are shi pped separa tely and must be join ed in the field. The blower sectio n can be mounted eithe r above the c oil for a verti cal positio ning or beside the co il for horizont al positioning.
035-1849 6-000-C-1 102 12 U n i t a r yP r o d u c t sG r o u p MOUNTING The evapora tor blower may be suspende d from the joist s wi th isolati on type hange rs or hooks. Suspensi on accessor y 1HH040 3, which incl udes three sus pension channel s and hardwa re, may be ordered sepa rately .
035-1849 6-000-C-1 102 Unit ary Products G roup 13 FIGURE 9 - DE T AILS FOR SE CURING BOTTOM MOUNTIN G SUPPORTS 3 NO TE: The follo wing illus trati on sh ows how the c han nels sh ould b e s ecure d to the u nit u sing the h ardw are pro vide d wit h the sus pens ion a cces sory .
035-1849 6-000-C-1 102 14 U n i t a r yP r o d u c t sG r o u p The w eigh ts for t he L B600 s hown i n 1 1 incl ude onl y the evap - orato r coil section, the blowe r section with a 10HP motor an d the suspe nsion accessory .
035-1849 6-000-C-1 102 Unit ary Products G roup 15 DUCT CONNECTIONS Ductwo rk should alw ays be suspe nded with han gers or sup- ported by legs . It shou ld never be fa stened direc tly to the build ing st ruct ure. Allow cle arance around ducts for safet y in the handling of heated a ir and for i nsulation whe n required.
035-1849 6-000-C-1 102 16 U n i t a r yP r o d u c t sG r o u p RETURN AIR DUCT ANGLES Return a ir duct angles are shipped t urned in. They are intended to be uns crewed and turned for co nnection of duct- work. The return air gril le a ccessory at taches in the same manner a s the pan els.
035-1849 6-000-C-1 102 Unit ary Products G roup 17 Suit able hangers, brack ets or clamps sho uld support the refriger ant lines. Braze all cop per-to-copper jo ints with Silfos -5 or equivalent brazing m aterial. D o not us e soft sold er . Never braze or so lder the liquid and sucti on lines together .
035-1849 6-000-C-1 102 18 U n i t a r yP r o d u c t sG r o u p PUMP OUT The pump ou t functio n is a standard fe ature on the 25 to 50 ton sys tems. T he pump ou t circu it is activ ate d each tim e the first and t hird compress or stage is ca lled for by the th ermo- stat.
035-1849 6-000-C-1 102 Unit ary Products G roup 19 Check belt tensi on. Drive p ackages are s upplied wit h fiber- glass b elts that mus t be properly tens ioned at insta llation becaus e they do not stretch . The belt sho uld deflect 3/16 " per foot of be lt span with a 2 or 3- pound force.
035-1849 6-000-C-1 102 20 U n i t a r yP r o d u c t sG r o u p MAINTENANCE Filt ers mu st be cl ean ed or re plac ed as ofte n as nec essa ry to assure good airfl ow and filterin g action.
035-1849 6-000-C-1 102 Unit ary Products G roup 21 T ABLE 10: F AN PEFOR MANCE DA T A - 25 TON RPM CFM 8,000 9,000 10,000 11,000 12,000 SP BHP kW SP BHP kW SP BHP kW S P BHP kW SP BHP kW 600 - - - 0.30 2.5 2.3 0.20 3.1 2.9 0.02 3.6 3.4 - - - 635 0.56 2.
035-1849 6-000-C-1 102 22 U n i t a r yP r o d u c t sG r o u p FIGURE 17 - UNIT DIME NSIONS - LA3 00, 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 .
035-1849 6-000-C-1 102 Unit ary Products G roup 23 FIGURE 20 - LA3 00 PIPING CONNECTIONS FIGURE 21 - LB3 60 PIPING CONNECTIONS SUCTION LIQUID LIQUID (SYS.
035-1849 6-000-C-1 102 24 U n i t a r yP r o d u c t sG r o u p FIGURE 23 - UNIT DIM ENSIONS FIGURE 24 - LB6 00 PIPING CONNECTIONS - END P ANEL DET AIL 6.7" 13.5" 6.0" 2.1" 3.0" 10.1" 23.86" 3.0" 3.8" Liquid Line Sys.
035-1849 6-000-C-1 102 Unit ary Products G roup 25 To check the supply air CFM after the initial balanc- ing has been comp leted: 1. Drill t wo (2) 5/16-inch ho les in the side pa nel as sho wn in Fig ure 24.
035-1849 6-000-C-1 102 26 U n i t a r yP r o d u c t sG r o u p FIGURE 26 - 2 5-TON PRESSURE DROP VS. CFM ACROSS INDOOR COIL 25-t o n Pre ssur e D rop A cr oss I ndoor Coi l 0. 0 0 0. 1 0 0. 2 0 0. 3 0 0. 4 0 0. 5 0 0. 6 0 0. 7 0 0. 8 0 0. 9 0 1. 0 0 7000 800 0 9000 1 0000 110 00 12000 13000 CFM I.
035-1849 6-000-C-1 102 Unit ary Products G roup 27 FIGURE 28 - 40 T ON - PRESSURE DROP VS. CFM ACROSS INDOOR COIL (DOMESTIC) 40-ton Pressure Drop A cross I ndoor Coil 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 12000 1400 0 16000 18000 2000 0 CFM I.W.C. FIGURE 29 - 50 T ON - PRESSURE DROP VS.
035-1849 6-000-C-1 102 28 U n i t a r yP r o d u c t sG r o u p FIGURE 30 - IN DOOR UNIT W IRING DIAGRAM LB3 60, 480 & 60 0.
035-1849 6-000-C-1 102 Unit ary Products G roup 29 FIGURE 31 - IN DOOR WIR ING DIAGRAM LA300.
035-1849 6-000-C-1 102 30 U n i t a r yP r o d u c t sG r o u p.
035-1849 6-000-C-1 102 Unit ary Products G roup 31.
Subject to chang e without notice. Printed in U.S.A. 035-18496-000-C-1 102 Copyright © by Unitary P roducts Gro up 200 2. All ri ghts reserved . Superse des: 035-1 8496- 000-B-0 302 Unit ary 5005 Nor.
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