Unitary products group LL-15 Installation Manual Download | Manualshive

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66339-BIM-C-0206

Unitary Products Group

19

FIGURE 19 - PIPING and ELECTRICAL CONNECTION LOCATIONS

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Summary of Contents for LL-15

Page 1: ...SAVE THIS MANUAL SPLIT SYSTEM AIR COOLED EVAPORATOR BLOWER MODELS LL 15 LL 20 66339 BIM C 0206 LL 20 LL 15 CONTENTS NOMENCLATURE 3 GENERAL 4 NOTES CAUTIONS AND WARNINGS 4 REPLACEMENT PARTS 4 INSPECTIO...

Page 2: ...DUCT ANGLES 11 DRAIN CONNECTIONS 11 REFRIGERANT MAINS 11 EVAPORATOR SECTION PIPING 12 SUPPLY AIR BLOWER ADJUSTMENT 12 ELECTRICAL CONNECTIONS 14 INDOOR UNIT ELECTRICAL RATINGS 14 LIST OF FIGURES Fig P...

Page 3: ...ump F Product Identifier F R 22 Standard Efficiency 2 Pipe L R 22 Standard Efficiency 4 Pipe 15 Nominal Cooling Capacity MBH 15 15 Ton 20 20 Ton C Heat Type C Cooling Only 00 Nominal Heating Capacity...

Page 4: ...9675 Toll Free Fax 877 379 7920 INSPECTION As soon as a unit is received it should be inspected for possible damage during transit If damage is evident the extent of the damage should be noted on the...

Page 5: ...ages are ordered and shipped separately for field mounting MOTOR MOUNT ARRANGEMENTS The motor mounting arrangement can be changed to allow motor access based on the airflow arrangement required The re...

Page 6: ...nels from the blower section 2 Remove the Phillips machine screws located inside casing corner angles that hold the coil and blower sections together 3 Rotate the blower section for the desired air di...

Page 7: ...ENTS ARRANGEMENT 1 4 8 OR 11 ARRANGEMENT 3 5 OR 10 ARRANGEMENT 2 6 OR 7 NOTE Since the motor mounting assembly can not be secured to the panel with the blower openings the motor cannot be installed in...

Page 8: ...MENTS AIR AIR BLOWER 1 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 FIGURE 7 HORIZONTAL AIRFLOW A...

Page 9: ...round the bottom skid A lift truck may be used to raise a unit to a suspended location Refer to table 2 for the total unit operating weight CLEARANCES A 25 inch clearance is required on the end with t...

Page 10: ...the cooling season or through an unheated space during the heating season 2 Include a vapor barrier around the outside to pre vent the absorption of moisture 3 Be no less than 2 inches thick with the...

Page 11: ...e of the cabinet Drain piping should be constructed as shown in figure 9 The 5 inch dimension is intended to exceed the neg ative static pressure developed by the supply air blow ers If it does not th...

Page 12: ...o an access valve or charging tail Choose a procedure that will allow nitrogen to flow continuously through the system and reach all joints to be brazed Begin the refrigerant main piping by installing...

Page 13: ...applied force of 2 to 3 pounds Once the supply air blower motor is operating adjust the resistances in both the supply and the return duct system to balance the air distribution throughout the conditi...

Page 14: ...13 HOLE LOCATIONS FOR PRESSURE DROP READINGS 20 TON Approximate RPM Chart Turns Open LL 15 LL 20 Low Static Drive Kit Hi Static Drive Kit Low Static Drive Kit Hi Static Drive Kit 5 650 840 580 700 4 6...

Page 15: ...ON Pressure Drop Across Indoor Coil 15 Ton 0 0 05 0 1 0 15 0 2 0 25 0 3 0 35 0 4 0 45 0 5 4000 5000 6000 7000 8000 CFM I W C FIGURE 15 PRESSURE DROP ACROSS INDOOR COIL 20 TON Pressure Drop Across Indo...

Page 16: ...8 7600 719 2 8 2 61 792 3 3 3 12 877 4 0 3 7 956 4 6 4 31 7800 730 3 0 2 78 807 3 5 3 31 888 4 1 3 88 960 4 8 4 49 Denotes use of 5 hp motor with high static pulley kit TABLE 4 LL 20 20 TON AIRFLOW 0...

Page 17: ...BLOWER PERFORMANCE 15 TON BLOWER PERFORMANCE 0 4 0 6 0 8 1 1 2 1 4 1 6 4200 4700 5200 5700 6200 6700 7200 7700 CFM ESP FIGURE 17 20 TON BLOWER PERFORMANCE 20 TON BLOWER PERFORMANCE 0 4 0 6 0 8 1 1 2 1...

Page 18: ...MENSIONS LL 15 and LL 20 TABLE 5 UNIT DIMENSIONS LL 15 AND LL 20 MODEL A B C D E F G H J K L M LL 15 89 1 2 85 0 26 0 29 1 2 59 1 7 16 15 7 8 12 7 16 15 13 16 16 16 20 3 4 LL 20 100 1 8 95 5 8 33 1 4...

Page 19: ...66339 BIM C 0206 Unitary Products Group 19 FIGURE 19 PIPING and ELECTRICAL CONNECTION LOCATIONS...

Page 20: ...e without notice Printed in U S A 66339 BIM C 0206 Copyright 2006 by Unitary Products Group All rights reserved Supersedes 66339 BIM B 0304 035 18503 001 B 0304 Unitary 5005 Norman Products York OK Gr...

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