Instruction/ maintenance manual of the product LB300 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.
An important point after buying a device Energy Tech Laboratories LB300 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Energy Tech Laboratories LB300 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Energy Tech Laboratories LB300 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Energy Tech Laboratories LB300 you will learn all the available features of the product, as well as information on its operation. The information that you get Energy Tech Laboratories LB300 will certainly help you make a decision on the purchase.
If you already are a holder of Energy Tech Laboratories LB300, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Energy Tech Laboratories LB300.
However, one of the most important roles played by the user manual is to help in solving problems with Energy Tech Laboratories LB300. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Energy Tech Laboratories LB300 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
