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Unitary products group LA300, Руководство по установке

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66337-YIM-D-0206

Unitary Products Group

3

LIST OF TABLES

Tbl.#

Pg.#

1

UNIT APPLICATION DATA . . . . . . . . . . . . . . . . . . . . . . 5

2

PHYSICAL DATA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3

UNIT MOUNTING DIMENSIONS  . . . . . . . . . . . . . . . . 12

4

CORNER WEIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5

ACCESSORY OPERATING WEIGHT
DISTRIBUTION (LBS) . . . . . . . . . . . . . . . . . . . . . . . . . 12

6

ELECTRICAL DATA  . . . . . . . . . . . . . . . . . . . . . . . . . . 19

7

MOTOR OVERLOAD ELEMENTS  . . . . . . . . . . . . . . . 19

8

UNIT DRIVE DATA  . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Tbl.#

Pg.#

9

UNIT BLOWER MOTOR DATA. . . . . . . . . . . . . . . . . .  20

10 FAN PEFORMANCE DATA - 25 TON. . . . . . . . . . . . .  21

11 FAN PEFORMANCE DATA - 30 TON. . . . . . . . . . . . .  21

12 FAN PERFORMANCE DATA - 40 TON  . . . . . . . . . . .  21

13 FAN PERFORMANCE DATA - 50 TON  . . . . . . . . . . .  21

14 UNIT DIMENSIONS - LA300, LB360, LB480  . . . . . . .  22

15 UNIT CONNECTION SIZES . . . . . . . . . . . . . . . . . . . .  23

Содержание LA300

Страница 1: ...onal injury and or equipment damage may result if installation procedure is not handled properly INSTALLATION MANUAL CAUTION READ ALL SAFETY GUIDES BEFORE YOU BEGIN TO INSTALL YOUR UNIT SAVE THIS MANUAL 66337 YIM D 0206 SPLIT SYSTEM AIR COOLED EVAPORATOR BLOWER MODELS LA300 LB360 LB480 LB600 CONTENTS GENERAL 4 REPLACEMENT PARTS 4 INSPECTION 4 INDOOR PRODUCT NOMENCLATURE 5 UNIT INSTALLATION 11 MAIN...

Страница 2: ...g Pg 1 LA300 AN LB360 LB480 FACTORY MOTOR MOUNTING POSITION 7 2 LB600 FACTORY MOTOR MOUNTING POSITION 7 3 LB600 MOTOR MOUNT PLATE 7 4 LA300 LB360 LB480 MOTOR LOCATION A 8 5 LA300 LB360 LB480 MOTOR ARRANGEMENTS 8 6 VERTICAL AIRFLOW ARRANGEMENTS 10 7 HORIZONTAL AIRFLOW ARRANGEMENTS 10 8 LB600 AIRFLOW ARRANGEMENTS 11 9 DETAILS FOR SECURING BOTTOM MOUNTING SUPPORTS 13 10 LA300 LB480 LB360 WEIGHT DISTR...

Страница 3: ...2 5 ACCESSORY OPERATING WEIGHT DISTRIBUTION LBS 12 6 ELECTRICAL DATA 19 7 MOTOR OVERLOAD ELEMENTS 19 8 UNIT DRIVE DATA 20 Tbl Pg 9 UNIT BLOWER MOTOR DATA 20 10 FAN PEFORMANCE DATA 25 TON 21 11 FAN PEFORMANCE DATA 30 TON 21 12 FAN PERFORMANCE DATA 40 TON 21 13 FAN PERFORMANCE DATA 50 TON 21 14 UNIT DIMENSIONS LA300 LB360 LB480 22 15 UNIT CONNECTION SIZES 23 ...

Страница 4: ... clarify or make installation easier Cautions are given to prevent equip ment damage Warnings are given to alert installer that per sonal injury and or equipment damage may result if installation procedure is not handled properly REPLACEMENT PARTS Refer to parts manual for complete listing of replacement parts on this equipment INSPECTION As soon as a unit is received it should be inspected for po...

Страница 5: ... UNIT APPLICATION DATA Model Power Supply Voltage Voltage Variation Supply Air Range CFM Entering Air Temperature Degrees F Cooling DB WB Heating DB Min Max Min Max Min Max Min Max LA300 208 230 3 60 187 253 8 000 12 000 65 57 95 72 40 77 460 3 60 414 506 8 000 12 000 65 57 95 72 40 77 575 3 60 540 630 8 000 12 000 65 57 95 72 40 77 LB360 208 230 3 60 187 253 10 000 14 000 65 57 95 72 40 77 460 3 ...

Страница 6: ...tal Face Area feet2 34 7 42 6 53 1 OPERATING CHARGE LBS R 22 System 1 49 65 30 08 37 83 46 59 System 2 30 08 37 83 46 59 DRAINABLE HOT WATER COIL ACCESSORY Tube copper OD Inches 1 2 1 2 1 2 Rows Deep 2 2 2 Fins Aluminum per 1 inch 12 12 8 Face Area Feet2 21 2 27 2 27 2 Connections Supply Return Inches 1 3 8 OD Copper 1 5 8 OD Copper NON FREEZE STEAM DISTRIBUTING COIL ACCESSORY Tube copper OD inche...

Страница 7: ...ustment range of the motor mounting plate To maximize this amount of adjustment one set of boltholes is provided near the adjustment screws on each end of the motor mounting plate refer to 4 For some motor blower wheel arrangements however the motor cannot be mounted in these bolt holes because the motor terminal box would interfere with one of the blower sec tion panels To make these motor blower...

Страница 8: ...motor mounting plate 180 degrees on the mounting channels For locations B and D only Do not rotate the plate for location C or E 2 Install the motor and drive package NOTE The blower section must be lifted off the evap orator section to gain access to the mounting channel fasteners Since these sections have to be repositioned for the arrangements 2 through 10 and 12 of 6 the motor mounting assembl...

Страница 9: ...thole arrangement ALTERNATE POSITION THREE The motor mounting plate the pivot bolts and the adjustment screws can be moved into a position similar to the one detailed in alternate position one but behind the other blower scroll The framework behind each blower scroll has the same bolthole arrangement AIR DISCHARGE CONVERSION LA360 LB360 LB480 AIR DISCHARGE The LA300 LB360 and LB480 units are shipp...

Страница 10: ...RE 7 HORIZONTAL AIRFLOW ARRANGEMENTS AIR AIR BLOWER 1 VERTICAL ARRANGEMENTS EVAPORATOR COIL AIR AIR 2 AIR AIR AIR A I R 4 AIR AIR 5 AIR AIR 6 3 IF REQUIRED SOME AIR CAN BE BROUGHT THROUGH THE BOTTOM OF THE EVAPORATOR SECTION AIR AIR AIR AIR AIR AIR AIR AIR AIR AIR AIR AIR 7 8 9 11 12 10 ...

Страница 11: ...on They must be located inside the building structure either inside or outside the conditioned space where they are pro tected from rain and other such moisture The unit should be located as close to the condensing unit as practical and positioned to minimize bends in the refrigerant piping Units being installed vertically or horizontally can be set directly on a floor or platform or supported by ...

Страница 12: ...6 5 8 360 69 1 4 49 1 16 26 5 8 480 84 50 9 16 34 TABLE 4 CORNER WEIGHTS UNIT MODEL Unit Weight Lbs Configuration A B C D Shipping Operation LA300 1180 1125 HORIZONTAL 276 317 285 247 VERTICAL 262 301 301 262 LB360 1180 1146 HORIZONTAL 281 323 290 252 VERTICAL 266 307 307 266 LB480 1510 1426 HORIZONTAL 348 414 361 303 VERTICAL 292 348 427 359 LB600 1640 HORIZONTAL 451 386 370 433 VERTICAL 484 414 ...

Страница 13: ...US PE NS ION ANGLE S 1 BLOWE R S E C TION E VAP C OIL S E C TION CX 1 2 3 3 The s ame channels can be used in either position W hen used to support at vertical unit these channels s hould be cut to match the bottom dimension of the evaporator coil s ection The s uspension channels have two s ets of mounting holes to accommodate horizontal units with or without a heating coil O n a horizontal unit ...

Страница 14: ...ting section is not included each channel will extend 3 beyond the front and the rear of the unit Boltholes in the bottom flange of each channel will still align with the holes provided in the top framework of the evaporator coil section and the blower section For both outside channels and for the 1 locations on the cen ter channel the bolted connections are to be made where the top sheet metal pa...

Страница 15: ... N E S C R E W 5 1 6 1 8 X 1 1 2 L G 9 1 6 F L A T W A S H E R 5 1 6 1 8 H E X N U T T O P P A N E L 9 1 6 H O L E F O R 1 2 H A N G E R R O D 2 P E R C H A N N E L S U S P E N S I O N C H A N N E L 5 1 6 1 8 H E X N U T S P A C E R 3 8 L O N G S I D E P A N E L 9 1 6 F L A T W A S H E R L O C K W A S H E R 9 1 6 H O L E F O R 1 2 H A N G E R R O D 2 P E R C H A N N E L M A C H I N E S C R E W 5 1...

Страница 16: ... exceed the negative static pressure developed by the supply air blowers If it does not the condensate will not drain properly and may overflow the drain pan The trap must be at least 2 inches deep to main tain a water seal under all operating conditions especially when the blowers are starting REFRIGERANT MAINS Hard drawn copper tubing should be used where no appre ciable amount of bending around...

Страница 17: ...vaporator and run the line to the condensing unit After puncturing the sealing caps with a small drill bit unbraze the condensing unit suction disc and connect the line Maintain a flow of nitrogen through the liquid line to the evaporator through the evaporator back to the condensing unit and out the suction connection and service port NOTE Size the suction line outside the evaporator casing per t...

Страница 18: ...he bearing collar removal hole loosen the bearing collar by tapping the drift pin in the direction opposite to the shaft rotation 3 Loosen bolts A and B 4 Remove the shim NOTE The bearing support angle must be horizontal to the unit and below the bearing 5 Tighten bolts B without the shim 6 Tighten bolts A 7 With a drift pin in the bearing collar removal hole tighten the bearing collar by tapping ...

Страница 19: ...overload NOTE For the 10HP 200 208 volt motors install the power wiring to the supply air blower through the starter Power wiring for blower motor is field supplied TABLE 6 ELECTRICAL DATA UNIT MODEL HP FLA VOLTAGE 3PH 60HZ MIN CIRCUIT AMPACITY 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 11 460 14 20 9 575 11 20 LB360 5 0 16 7...

Страница 20: ...IN DESIGNATION LA300 1LD0440 600 750 4 0 5 0 1 1 8 12 0 1 3 16 2 63 3 A62 1LD0407 700 850 4 2 5 2 1 3 8 11 0 1 3 16 2 63 3 A62 1LD0442 780 940 5 3 6 3 1 3 8 12 0 1 3 16 2 63 3 A62 LB360 1LD0415 636 795 4 0 5 0 1 3 8 11 0 1 3 16 2 63 3 A62 1LD0407 668 827 4 2 5 2 1 3 8 11 0 1 3 16 2 63 3 A62 1LD0408 827 986 5 3 6 3 1 3 8 11 0 1 3 16 2 59 7 A59 LB480 1LD0409 607 776 4 3 5 5 1 3 8 12 4 1 3 16 2 85 1 ...

Страница 21: ...8 6 7 4 900 1 65 6 2 5 4 1 54 6 8 5 9 1 41 7 4 6 4 1 28 8 1 7 0 1 16 8 9 7 7 970 2 00 7 2 6 2 1 88 7 8 6 7 1 76 8 5 7 3 1 65 9 2 7 9 1 54 10 0 8 6 1000 2 15 7 6 6 6 2 03 8 2 7 1 1 92 8 8 7 6 1 81 9 5 8 2 1 71 10 4 9 0 TABLE 12 FAN PERFORMANCE DATA 40 TON RPM CFM 12 800 14 400 16 000 17 600 19 200 SP BHP kW SP BHP kW SP BHP kW SP BHP kW SP BHP kW 600 0 84 6 0 5 2 0 63 7 2 6 2 0 40 8 4 7 2 0 13 9 7 ...

Страница 22: ...CKOUT FOR DRAIN PIPING See detailed drawings for piping and drain connections on following pages H F J M G TABLE 14 UNIT DIMENSIONS LA300 LB360 LB480 MODEL A B C D E F G H J K L M LA300 100 1 8 95 5 8 33 1 4 36 5 8 74 2 1 2 18 7 8 16 1 2 15 13 16 21 7 8 18 22 9 16 LB360 100 1 8 95 5 8 33 1 4 36 5 8 74 2 1 2 18 7 8 16 1 2 15 13 16 21 7 8 18 22 9 16 LB480 103 1 8 95 5 8 40 5 8 44 88 5 8 2 1 2 18 7 8...

Страница 23: ...LB480 PIPING CONNECTIONS TABLE 15 UNIT CONNECTION SIZES Connection Entry Connection Size LA300 LB360 LB480 LB600 M2CX600 Suction Line Sys 1 2 1 8 1 1 8 1 3 8 2 1 8 Suction Line Sys 2 N A 1 1 8 1 3 8 2 1 8 Liquid Line Sys 1 7 8 7 8 7 8 7 8 Liquid Line Sys 2 N A 7 8 7 8 7 8 Power Wiring 7 8 2 7 8 2 7 8 2 1 3 8 Control Wiring 7 8 2 7 8 2 7 8 2 7 8 2 SUCTION LIQUID SYS 2 LIQUID SYS 1 SYS 1 SYS 2 ...

Страница 24: ...ts Group FIGURE 23 UNIT DIMENSIONS FIGURE 24 LB600 PIPING CONNECTIONS END PANEL 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 SYS 1 SUCTION LINE SYS 2 ...

Страница 25: ...he refrigerant system should be de activated while the test is being run 4 Knowing the pressure drop across a dry coil the actual CFM through the unit can be determined from the curves shown in Figures 25 28 If the CFM is above or below the specified value the supply air motor pulley may have to be readjusted After one hour of operation check the belt and pulleys for tightness and align ment After...

Страница 26: ... Drop Across Indoor Coil 0 00 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 1 00 7000 8000 9000 10000 11000 12000 13000 CFM I W C FIGURE 27 30 TON PRESSURE DROP VS CFM ACROSS INDOOR COIL 30 ton Pressure Drop Across Indoor Coil 0 00 0 10 0 20 0 30 0 40 0 50 0 60 0 70 9000 10000 11000 12000 13000 14000 15000 CFM I W C ...

Страница 27: ...TIC 40 ton Pressure Drop Across Indoor Coil 0 00 0 10 0 20 0 30 0 40 0 50 0 60 0 70 12000 14000 16000 18000 20000 CFM I W C FIGURE 29 50 TON PRESSURE DROP VS CFM ACROSS INDOOR COIL 50 ton Pressure Drop Across Indoor Coil 0 00 0 10 0 20 0 30 0 40 0 50 0 60 0 70 15000 17000 19000 21000 23000 25000 CFM I W C ...

Страница 28: ...66337 YIM D 0206 28 Unitary Products Group FIGURE 30 INDOOR UNIT WIRING DIAGRAM LB360 480 600 ...

Страница 29: ...66337 YIM D 0206 Unitary Products Group 29 FIGURE 31 INDOOR WIRING DIAGRAM LA300 ...

Страница 30: ...66337 YIM D 0206 30 Unitary Products Group ...

Страница 31: ...66337 YIM D 0206 Unitary Products Group 31 ...

Страница 32: ...ge without notice Printed in U S A 66337 YIM D 0206 Copyright by Unitary Products Group 2006 All rights reserved Supersedes 66337 YIM C 1102 035 18496 000 C 1102 Unitary 5005 Norman Products York OK Group Drive 73069 ...

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