Heatcraft Refrigeration Products 25000102 operation manual Table of Contents

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Installation and Operations Manual

Table of Contents

Introduction

3

Inspection

 

Unit Designation

 

Model Definition

 

System Warranty

4

Rigging

 

Location of Equipment - INDOOR

 

Clearances

 

Floor & Foundation Requirements

 

Vibration Mounts

 

Figure 1. Vibration Pad & Spring Isolator

 

Figure 2. Vibration Pad Locations

 

Location of Equipment - OUTDOOR

5

Ground Mounting

 

Roof Mounting

 

Unit Vibration Isolation

 

Compressor Spring Vibration Isolators

 

Figure 3. Spring Mount

 

Unit Access

6

Vertical Clearance

 

Lateral Clearance

 

Decorative Fences

 

Units in Pits

 

Multiple Units

 

Ventilation Requirements

7

Electrical

 

Refrigerant Piping

 

Suction P-Traps

 

Figure 4. P-Trap requirements

 

Figure 5. P-Trap construction

 

Figure 6. Double Suction Risers

8

Figure 7. Inverted Trap

 

Refrigerant Line Insulation

 

Refrigerant Line Support

 

Figure 8. Pipe Support

 

Expansion Loops

9

Figure 9. Offsets

 

Table 1. Expansion Chart

 

Table 2. Pressure Loss of Liquid Refrigerants

10

Table 3. Equivalent Feet of Pipe

 

Table 4. Weight of Refrigerants in Copper Lines During Operation

11

Table 5A. Recommended Line Sizes for R-404A and R-507

12

Table 5B. Recommended Line Sizes for

 

R-404A and R-507 (continued)

13

Table 6A. Recommended Line Sizes for R-22

14

Table 6B. Recommended Line Sizes for R-22 (continued)

15

Table 7. Recommended Remote Condenser Line Sizes

16

Leak Checking, Evacuation, and Start-up

17

Refrigerant Distribution

18

Off-Cycle

 

Electric Defrost

 

Priority I Hot Gas Defrost

 

Head Pressure Control System

 

Electronic Control System

19

System Balancing

 

System Superheat (NOTE: Superheat is not preset at factory)

 

Evaporator Superheat

 

Alternative Superheat Method

 

Compressors

20

Copeland Compressors

 

Table 8. 3D/4D/6D Solid State Modules

 

Table 9. Typical Voltage Ranges

 

Table 10. Unloader Factors

 

Table 11. Oil Safety Switch

21

Table 12. Oil Charges

 

Approved Copeland Lubricants

 

Carlyle Compressors

 

Approved Carlyle Lubricants

 

Oil Pressure

 

Table 13. O6D/E Oil Pressure History

 

Table 14. Oil Safety Switch

22

Table 15. Part Load Performance Multipliers

 

Table 16. Required Differential Pressure

 

Three-Phase Voltage Monitor

 

Sight Glass & Moisture Indicator

23

Figure 10. Sight Glass

 

Safety Relief Devices

 

Figure 11. Direct Type Relief Valves

 

Figure 12. 3-Way Relief Valve

 

Table 17. Henry Relief Valve Capacity Ratings

24

Table 18. Discharge Piping Table

 

Series P100 Pressure Control

25

Figure 13. P100 Pressure Controls

 

Auto Reset Models

 

Manual Reset Models

 

Liquid Level Switch

 

S-9400 Level Switch Series

 

Table 19. Level Switch Table

 

Figure 14. S-9400

 

S-9400 Operation

 

Module Replacement

26

Figure 15. Module Replacement

 

Oil Control

 

Low Pressure Oil System

 

Figure 16. Low Pressure Oil System

 

Oil Separators

 

Table 20. AC&R Models

27

Temprite Models

 

Temprite Valve Adjustment

 

Table 21. Temprite Models

 

Figure 17. Temprite Oil System

 

Oil Level Regulators

 

Table 22. AC&R Model Regulators

28

Troubleshooting Oil System

 

Liquid Filter-Driers & Suction Filters

 

Table 23. Sporlan Valve Company

 

Table 24. Alco Controls

 

Suction Filter

29

Compressor Motor Burnout Clean-up Procedure

 

Sporlan Valve Company

 

Superior Valve Company

30

Table 25. Type F Filter

 

Table 26. Type DF (for clean-up)

 

Alco Controls

 

Table 27. Type AF Filter

 

Table 28. Type AFD (for clean-up)

 

Head Pressure Control

 

Valve Functions

 

Liquid Drain Control Method

31

Recommended Valve Settings

 

Table 29. Pressure Range, Set Point & Change per Turn

 

Field Adjustment

 

Hot Gas Bypass Regulator Adjustment

 

Sporlan Valve Company

 

Valve Setting and Adjustment

 

Alco Controls

32

Valve Setting and Adjustment

 

Control Settings

 

Table 30. Control settings for R-404A/R-507

 

Table 31. Control settings for R-22

 

Low Pressure Switch Setting for RMCC

 

General Maintenance Schedule

33

SERVICE DIAGNOSIS CHART

34-35

Service Record

36

System Reference Data

 

© 2007 Heatcraft Refrigeration Products LLC

Part # 25000102

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Contents Parallel Compressor Systems Table of Contents Unit Designation IntroductionInspection Model DefinitionLocation Of Equipment Indoor Clearances System WarrantyRigging Floor & Foundation RequirementsRoof Mounting Location of Equipment OutdoorGround Mounting Unit Vibration IsolationDecorative Fences Unit AccessVertical Clearance Units in PitsRefrigerant Piping Ventilation Requirements Indoor UnitsElectrical Suction P-TrapsRefrigerant Line Insulation Refrigerant Line SupportRef. Line Amount of Expansion Expansion LoopsTable of Values for L Liquid Line Rise in Feet Refrigerant 10’ Pressure Loss of Liquid RefrigerantsEquivalent Feet of Pipe 20’ 25’ 30’ 40’ 50’ 75’ 100’Line 40F 20F Weight of Refrigerants in Copper Lines During OperationSuction Line at Suction Temperature Recommended Line Sizes for R-404A/R-507 Lengths Liquid Line SizeExpansion Valve 100’ 150’ 200’ 25’Capacity 40˚F 20˚F 10˚F Recommended Line Sizes for R-22Suction Line Size Liquid Line Size Suction Temperature 10˚F12 & R-134A 502 507 & R-404A Recommended Remote Condenser Line SizesNet TotalStart-up Leak Checking, Evacuation and Start-upEvacuation Electric Defrost Refrigerant DistributionOff-Cycle Priority I Hot Gas DefrostSystem Superheat Electronic Control SystemSystem Balancing Evaporator SuperheatTypical Voltage Ranges CompressorsCopeland Compressors 4D/6D Solid State Modules Unloader FactorsApproved Copeland Lubricants Oil Safety SwitchOil Charges Carlyle CompressorsRequired Differential Pressure for Unloader Operation Phase Voltage MonitorPart Load Performance Multipliers Sight Glass & Moisture Indicator Sight Glass Safety Relief DevicesHenry Relief Valve Capacity Rating Discharge Piping TableLiquid Level Switch Auto Reset ModelsManual Reset Models Level Switch TableOil Separators Module ReplacementOil Control Oil Level Regulators Temprite Valve AdjustmentTemprite Models Liquid Filter-Driers & Suction Filters Troubleshooting Oil SystemAC&R Model Regulators Sporlan Valve CoSporlan Valve Company CompressorMotorBurnoutCleanupProcedureSuction Filter Replaceable Suction FilterSuperior Valve Company Type DF for cleanupType AFD for cleanup Type F FilterHot Gas Bypass Regulator Adjustment Recommended Valve SettingsField Adjustment Liquid Drain Control MethodControl Settings for R-22 Control SettingsControl Settings for R-404A/R-507 Low Pressure Switch Setting for RmccMonthly General Maintenance ScheduleWeekly QuarterlyDoes Not Run Symptom Cause Remedy CompressorTemperature Unit ShortHigh Suction Symptom Cause Remedy LowSwitch Open Low SuctionService Record System Reference Data