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© 2015 Emerson Climate Technologies, Inc.

AE4-1387 R7

AE4-1387 R7

March 2015

Application Guidelines for ZS**KAE Refrigeration

Copeland Scroll

 Compressors 1.3-4.5 HP

Safety

  Safety Instructions ................................................2

  Safety Icon Explanation .......................................2

  Instructions Pertaining to Risk of Electrical  

  Shock, Fire, or Injury to Persons ..........................3

  Safety Statements ................................................3

Introduction

 .............................................................4

 Nomenclature .......................................................4

  Operating Envelope .............................................4

Application Considerations

 Accumulators .......................................................4

  Superheat Requirements .....................................4

  Crankcase Heaters ..............................................4

  Discharge Line Thermostat ..................................4 

  Pressure Controls ................................................5

  Pump Down Recommendations ...........................5

  IPR Valve  ............................................................5

  Internal Temperature Protection  ..........................5

  Motor Protection ...................................................5

  Oil Types ..............................................................5

  Oil Charges ..........................................................5 

  Compressor Tubing and Mounting .......................5

  Starting Characteristics ........................................5

 Fusite ...................................................................6

  Shell Temperature ................................................6

  Connection Fittings ..............................................6

  Three-Phase Rotation Direction ...........................6

  Brief Power Interruptions ......................................6

  Deep Vacuum Operation ......................................6

 

ZS**KAE Compressors in Copeland

 

Condensing Units

 ...................................................7

 Features ...............................................................7

  Condensing Unit Mounting ...................................7

  Bump Start Protection ..........................................7

  Brief Power Interruptions ......................................7

  Headmaster Refrigerant Selection Instructions ....7

  Rack Applications .................................................7

Assembly Line Procedures

  Unbrazing System Components ..........................7

  High Potential (Hipot) Testing ...............................7

Service Procedures

  Copeland Scroll

™ 

Functional Check .....................8

  New Installation ....................................................9 

  Field Service ........................................................9

Tables & Figures

  Compressor Models and Approved Refrigerants/ 

     Lubricants ........................................................10

  Charge Limitations .............................................10

  Crankcase Heater ..............................................10

  Conduit Ready Heater Terminal Box Kits ...........10

  Discharge Thermostat Line Kits .........................10

  Pressure Control Settings ..................................11

  Recommended Oil Charges by Model Family .... 11
  Voltage Ranges (Typical) ...................................11
  ZS*KAE Application Envelope for R-404A/ 

     R-507 (Extended Medium Temp) ....................12
  ZS*KAE Application Envelope for R-22  

     (Medium/High Temp) .......................................12
  ZS*KAE Application Envelope for R-134A  

     (Medium /High Temp) ......................................13
  ZS*KAE Application Envelope for R-407A/407C/ 

      R-448A/R-449A (Extended Medium Temp) ....13
  1.3 - 4.5 HP Refrigeration Scroll 53 Frame  

     Condensing Unit Mounting ..............................14
  1.3 - 4.5 HP Refrigeration Scroll 63 Frame  

     Condensing Unit Mounting ..............................14
  Typical Suction Tubing .......................................15
  Motor Terminal (Fusite) Connections for Single  

     Phase and Three Phase Scrolls ......................15
  Scroll Wiring Schematic .....................................16

TABLE OF CONTENTS

Section                                                                           Page           Section                                                                           Page

Summary of Contents for Copeland Scroll ZS KAE Series

Page 1: ...f Power Interruptions 7 Headmaster Refrigerant Selection Instructions 7 Rack Applications 7 Assembly Line Procedures Unbrazing System Components 7 High Potential Hipot Testing 7 Service Procedures Copeland Scroll Functional Check 8 New Installation 9 Field Service 9 Tables Figures Compressor Models and Approved Refrigerants Lubricants 10 Charge Limitations 10 Crankcase Heater 10 Conduit Ready Heat...

Page 2: ...ced on the user s safety Safey icons are explained below and safety instructions applicable to the products in this bulletin are grouped on Page 3 These instructions should be retained throughout the lifetime of the compessor You are strongly advised to follow these safety instructions Safety Icon Explanation DANGER indicates a hazardous situation which if not avoided will result in death or serio...

Page 3: ...t must be used Failure to follow these warnings could result in serious personal injury BURN HAZARD Do not touch the compressor until it has cooled down Ensure that materials and wiring do not touch high temperature areas of the compressor Use caution when brazing system components Personal safety equipment must be used Failure to follow these warnings could result in serious personal injury or pr...

Page 4: ...ing inadequate lubrication and bearing wear Proper system design will minimize liquid flood back thereby ensuring maximum compressor life Superheat Requirements In order to assure that liquid refrigerant does not return to the compressor during the running cycle attention must be given to maintaining proper superheat at the compressor suction inlet Emerson recommends a minimum of 20 F 11 C superhe...

Page 5: ...cycling condition on the ZS09KAE through ZS33KAE models This phenomenon can be attributed to several factors 1 Location of low pressure control sensor If it is located right at the suction inlet of the compressor it will be more sensitive to pressure spikes 2 Actual low pressure setting Refer to our recommended setting in Table 5 If the differential pressure setting is too close this will increase...

Page 6: ...structions or notices should be provided by the Original Equipment Manufacturer Verification of proper rotation can be made by observing that the suction pressure drops and the discharge pressure rises when the compressor is energized Additionally if operated in reverse the compressor is noisier and its current draw is substantially reduced compared to tabulated values Although operation of scroll...

Page 7: ...Unbrazing System Components CAUTION If the refrigerant charge is removed from a scroll unit by bleeding the high side only it is sometimes possible for the scrolls to seal preventing pressure equalization 1105 for proper system evacuation procedures ZS KAE COMPRESSORS IN COPELAND CONDENSING UNITS The new FFAP Copeland condensing units will offer the latest technology utilizing the efficient ZS KAE...

Page 8: ...whether a Copeland Scroll compressor is functioning properly 1 Verify proper unit voltage 2 Normal motor winding continuity and short to ground checks will determine if the inherent overload motor protector has opened or if an internal short to ground has developed If the protector has opened the compressor must cool sufficiently to reset 3 With service gauges connected to suction and discharge pr...

Page 9: ...ned moving torch up and down and rotating around tube as necessary to heat tube evenly Add braze material to the joint while moving torch around circumference After braze material flows around joint move torch to heat Area 3 This will draw the braze material down into the joint The time spent heating Area 3 should be minimal As with any brazed joint overheating may be detrimental to the final resu...

Page 10: ...AE 4 5 R 22 R 404A R 507 R 134a R 407A R 407C R 448A R 449A POE Table 1 Compressor Models and Approved Refrigerants Lubricants See Emerson Climate Technologies Form 93 11 for a complete list of all Emerson approved lubricants Model Family Charge Limits ZS09 11 13 15 19KAE 8lbs ZS21 26 29 33KAE 10lbs Table 2 Charge Limitations Model Part No Volts Watts Length in ZS09 11 13 15 19KAE 018 0094 00 240 ...

Page 11: ...60 Hertz Rating 50 Hertz Rating Code Rating Min Max Rating Min Max C 208 230 3 187 253 200 3 180 220 D 460 3 414 506 380 420 3 342 462 E 575 3 518 633 500 3 450 550 V 208 230 1 197 253 200 1 180 220 V 208 230 1 187 253 200 1 180 220 5 200 230 3 180 253 200 220 3 180 242 7 380 3 342 418 X X X J 265 1 239 292 220 240 1 198 264 R X X X 220 240 3 180 264 Table 8 Voltage Ranges Typical The typical volt...

Page 12: ...orating Temp F Maximum Return Gas 65 F Maximum Return Gas 40 F Figure 1A ZS KAE Application Envelope for R 404A R 507 Extended Medium Temp 1 4 10 16 21 27 32 38 43 49 54 60 66 71 23 18 12 7 1 4 10 16 30 40 50 60 70 80 90 100 110 120 130 140 150 160 10 0 10 20 30 40 50 60 SH 20 F Condensing Temp C Evaporating Temp C Condensing Temp F Evaporating Temp F Figure 1B ZS KAE Application Envelope for R 22...

Page 13: ... 10 20 30 40 50 60 Minimum 20 F Superheat Required Condensing Temp C Evaporating Temp C Evaporating Temp F Condensing Temp F RG 65 F Figure 1D ZS KAE Application Envelope for R 407A 407C R 448A R 449A Extended Medium Temp 34 29 24 19 14 9 4 1 6 18 8 2 12 22 32 42 52 62 0 20 40 60 80 100 120 140 160 30 20 10 0 10 20 30 40 50 Evaporating Temp C Condensing Temp C Condensing Temp F Evaporating Temp F ...

Page 14: ...ndensing Unit Mounting 027 0262 00 30 35 Durometer Kit 527 0044 15 028 0188 15 Sleeve 028 0188 15 Sleeve 028 0188 15 Sleeve Gap Figure 2B ZS21KAE to ZS33KAE Refrigeration Scroll 63 Frame Condensing Unit Mounting 027 0186 00 35 45 Durometer Kit 527 0116 00 028 0188 15 Sleeve 028 0188 15 Sleeve 028 0188 16 Sleeve Gap ...

Page 15: ...4 Do not hang weights on tubing e g filter drier on suction tubing except after clamps or close to the header 5 Tube runs of less than 8 are not recommended 6 This dimension should be made as short as possible e g 2 or less but still insuring a proper braze joint 7 The above tubing recommendations are based on no elbow joints The use of continuous tubing is preferred Figure 4 Motor Terminal Fusite...

Page 16: ...ice Emerson does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson product remains solely with the purchaser or end user Figure 5 Scroll Wiring Schematic Typical Solid State Timer Discharge Line Thermostat Compressor Contactor Coil Other Protective Devices if used System Operating Thermostat Fuse Opt...

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