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Resumen del manual
25000102 Compressor CompressorCompressorCompressorCompressorCompressor Systems SystemsSystemsSystemsSystemsSystems Installation InstallationInstallationInstallationInstallationInstallation HEATCRAFT INC. REFRIGERATION PRODUCTS DIVISION 2175 WEST PARK PLACE BLVD., STONE MOUNTAIN, GA 30087 • 770-465-5600 • FAX 770-465-6016 WWW.HEATCRAFTRPD.COM • E-MAIL: HRPD.FEEDBACK@HEATCRAFT.COM Installation, Operation and Maintenance Guide Parallel Compressor Systems Replaces H-IM-72A Table of Contents Introduction InspectionUnit DesignationModel Definition ................................................................................ 3 System WarrantyRiggingLocation of Equipment - INDOORClearances Floor & Foundation RequirementsVibration Mounts Figure 1. Vibration Pad & Spring IsolatorFigure 2. Vibration Pad Locations ..................................................... 4 Location of Equipment - OUTDOORGround MountingRoof MountingUnit Vibration Isolation Compressor Spring Vibration IsolatorsFigure 3. Spring Mount ..................................................................... 5 Unit Access Vertical Clearance Lateral Clearance Decorative Fences Units in Pits Multiple Units .................................................................................... 6 Ventilation RequirementsElectrical Refrigerant PipingSuction P-trapsFigure 4. P-trap requirementsFigure 5. P-trap construction ............................................................. 7 Figure 6. Double Suction RisersFigure 7. Inverted TrapRefrigerant Line InsulationRefrigerant Line SupportFigure 8. Pipe Support ...................................................................... 8 Expansion LoopsFigure 9. OffsetsTable 1. Expansion Chart ................................................................. 9 Table 2. Pressure Loss of Liquid RefrigerantsTable 3. Equivalent Feet of Pipe ..................................................... 10 Table 4. Weight of Refrigerants in Copper Lines During Operation . 11 Table 5A. Recommended Line Sizes for R-404A and R507 ........... 12 Table 5B. Recommended Line Sizes for R-404A and R507 (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 DistributionOff cycleElectric defrost Priority I hot gas defrostHead pressure control system ........................................................ 18 Electronic control systemSystem BalancingSystem Superheat (NOTE: Superheat is not preset at factory) Evaporator SuperheatAlternative Superheat Method ........................................................ 19 CompressorsCopeland CompressorsTable 8. 3D/4D/6D Solid State ModulesTable 9. Typical Voltage RangesTable 10. Unloader Factors ............................................................. 20 Table 11. Oil Safety SwitchTable 12. Oil ChargesApproved Copeland LubricantsCarlyle CompressorsApproved Carlyle LubricantsOil Pressure Table 13. O6D/E Oil Pressure History ............................................. 21 Table 14. Oil Safety SwitchTable 15. Part Load Performance Mult. Table 16. Required Differential PressureThree-Phase Voltage Monitor ......................................................... 22 Sight Glass & Moisture IndicatorFigure 10. Sight GlassSafety Relief DevicesFigure 11. Direct Type Relief ValvesFigure 12. 3-way Relief Valve ......................................................... 23 Table 17. Henry Relief Valve Capacity RatingsTable 18. Discharge Piping Table .................................................... 24 Series P100 Pressure Control Figure 13. P100 Pressure ControlsAuto Reset Models Manual Reset Models Liquid Level SwitchS-9400 Level Switch Series Table 19. Level Switch Table Figure 14. S-9400 S-9400 Operation ........................................................................... 25 Module ReplacementFigure 15. Module ReplacementOil Control Low Pressure Oil SystemFigure 16. Low Pressure Oil SystemOil Separators................................................................................. 26 Table 20. AC & R Models Temprite ModelsTemprite Valve AdjustmentTable 21. Temprite ModelsFigure 17. Temprite Oil SystemOil Level Regulators ....................................................................... 27 Table 22. A C & R Model RegulatorsTroubleshooting Oil SystemLiquid Filter-Driers & Suction FiltersTable 23. Sporlan Valve Co. Table 24. Alco Controls ................................................................... 28 Suction Filter Compressor Motor Burnout Clean-up ProcedureSporlan Valve Company ................................................................. 29 Superior Valve CompanyTable 25. Type F FilterTable 26. Type DF (for clean-up) Alco Controls Table 27. Type A...