Energy Tech Laboratories LB480 manuale d’uso

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 . Cautions are given to prevent equ ipment damag e. Wa rnings are giv en to a lert insta ller that persona l injury and/or eq uipment dama ge may result if inst [...]

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 ......... ........... ....... 4 INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4[...]

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 ............ ....1 2 4 C O R N E RW E I G H T S ........... .............. . 1 2 5 ACCESSORY OPERATING W[...]

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 90.1 s tanda rds. Each u nit co nsis ts of a c oil secti on an d a bl ower se cti on tha t are [...]

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 . INDOOR PRODUCT NOMENCLA TURE L A 300 C 00 A 6 A AA 1 Model # Model Number Description Options L Product Category L = Air Han dling Uni t A Product Id entifier A = R-22 Standard Efficienc[...]

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 25.8 25.8 33.3 41. 3 T u be (copper) OD, Inches 3/8 3/8 3/8 3/8 Fins (Alum inum) per 1 inch 16 1[...]

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. However , the unit s are shipped with the mo tor mo unti ng asse mbly ins talle d as shown in 1 for the LA300[...]

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. LA300/LB360/LB480 MOTOR ARRANGEMENTS The LA300, LB360 an d LB480[...]

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. If this is the desired posi tion, the motor mounting assem bly is alre ady in t he corr ect pos iti on and the mo to r and dri ve pack- age can be inst alled withou t modific a[...]

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. Both vertical and horizon tal position s can be [...]

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 . The channels ex tend across th e evaporator coil se ction[...]

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 . (2) 9/16 H OLES FOR 1/2 HAN GER RO DS SUSPENSION CHANNEL 5/16 NUT, L[...]

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 . Add the weight s listed for a hori- zont al arrangemen t in T able 4 to d etermine the weight dist ri- bution of t he unit[...]

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. INSULA TION Ductwo rk ins[...]

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. DRAIN CONNECTIONS All drain li nes MUST be trappe d and lo[...]

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 . The comple te suction lin e should be insu l[...]

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. A s such, it ’ sa “ Pump Out On Start Up ” desi gn. A nor - mally c [...]

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. Alignment of the resi lient motor mount can be c orr[...]

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. T o remove filters thro ugh the sides of the unit, remove either the solid s ide panel on th e piping end, or the la rger side pane l on the end op pos ite th e[...]

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 2.4 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 0.68 3.3 3.1 0.54 3.7 3.5 0.3[...]

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 POWER AND CONTROL WIRING C A B EV APORA TOR COIL SECTION D D D E LESS BOTTOM P ANEL { BLOWER SECTION L K K KNOCKOUT FOR SUCTION PIPING KNOCKOUT FOR LI[...]

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. #1) LIQUID (SYS. #2) SUCTION (SYS. # 2 ) SUCTION (SYS. # 1 ) FIGURE 22 - LB4 80 PIPING CONNECTIONS T ABLE 15: UNIT CON NECTION SIZES Connection En t ry Co nne ctio n Size LA30 0 LB360 L B480 LB60[...]

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. #2 4.0" 24.0" 13.5" 4.7" Liquid Line Sys. #1 Condensate Drain SUCTI[...]

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. 2. Inse rt at least 8 inches of 1/4 inch t ubing into each of these hol es for suf ficient penetra tion into the airflow on both s ide s of t[...]

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.W.C. FIGURE 27 - 30-T O N - PRESSURE DROP VS. CFM A[...]

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. CFM ACROSS INDOOR COIL 50-ton Pressure Drop A cross Indoor C[...]

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 Norma n Product s Y ork OK Group Drive 73069[...]