Trane RAUC-C60 - Manual

Trane RAUC-C60

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Table of Contents:

  • Page 2 – Warnings, Cautions and Notices; Note that warnings, cautions and notices appear at; Important; WARNING; Overview of Manual; result in death or serious injury.
  • Page 3 – Table of Contents; General Information
  • Page 5 – Model Number Description; Unit Nameplate
  • Page 6 – Nitrogen
  • Page 7 – Installation; Unit Inspection; As soon as the unit arrives at the job site; file a claim with the; Figure 2; EVP Chiller Considerations; The EVP chiller must be installed indoors unless:
  • Page 8 – Unit Dimensions & Weight Information
  • Page 10 – RAUC-C20 Unit Dimensional Data & Recommended Clearances
  • Page 11 – RAUC-C25 Unit Dimensional Data & Recommended Clearances
  • Page 12 – RAUC-C30 Unit Dimensional Data & Recommended Clearances
  • Page 13 – RAUC-C40 Unit Dimensional Data & Recommended Clearances
  • Page 14 – RAUC-C50 Unit Dimensional Data & Recommended Clearances
  • Page 15 – RAUC-C60 Unit Dimensional Data & Recommended Clearances
  • Page 16 – All water connections are Victaulic.; BPHE 20 Evaporator Chiller Dimensions
  • Page 17 – Figure 10. BPHE 25 Evaporator Chiller Dimensions
  • Page 18 – Figure 11. BPHE 30 Evaporator Chiller Dimensions
  • Page 19 – Figure 12. BPHE 40 Evaporator Chiller Dimensions
  • Page 20 – Figure 13. BPHE 50 Evaporator Chiller Dimensions
  • Page 21 – Figure 14. BPHE 60 Evaporator Chiller Dimensions
  • Page 22 – Typical Unit Weights & Point Loading Data
  • Page 23 – Rigging; the typical unit operating weights table before proceeding.
  • Page 24 – Unit Isolation; “Neoprene isolators” or “Spring isolator” section below.; Neoprene Isolators; Table 3; Typical Neoprene Isolator Selection & Location
  • Page 25 – appropriate isolator. Refer to; Leveling the Unit
  • Page 26 – Typical Spring Isolator Selection & Location; Shipping Fasteners; Compressor Shipping Hardware
  • Page 27 – General Unit Requirements; [ ] Install a properly sized filter drier in each liquid line.
  • Page 29 – ”No Controls” Units
  • Page 30 – Figure 17. EVP Chiller Piping
  • Page 31 – EVP Chiller Units; Refrigerant Line Components; control for coil frost protection, and ball shutoff valves.
  • Page 32 – Liquid Line Moisture Indicator Sight Glass; Refer to; Liquid Line Solenoid Valves; Refer to; Ball Shutoff Valves; Filter/Filter Drier Recommendations
  • Page 33 – Split System Component Number Definitions; Figure 18. Typical Placement of Split System piping Components
  • Page 34 – Refrigerant Piping; Use Type “L” refrigerant grade copper tubing only.; Suction Line Piping; Do not use suction line traps.; Suction Line Interconnecting Tubing
  • Page 35 – Liquid Line Piping; Avoid putting liquid lines underground.; Liquid Line Interconnecting Tubing
  • Page 36 – Evaporator Piping; Install the TXV directly to the unit liquid connection.; Figure 19. Typical Coil Piping For Dual Circuit Units
  • Page 37 – Hot Gas Bypass for Commercial Comfort-Cooling Applications
  • Page 38 – Brazing Procedures; carefully reamed to remove any burrs.
  • Page 39 – Leak Testing Procedure; refrigerant to raise the high side pressure to 12 to 15 psig.
  • Page 40 – Chilled Water Piping; Figure 9
  • Page 41 – Figure 21. Evaporator Water-Pressure Drop
  • Page 42 – Install a flow switch or other flow sensing device, illustrated in
  • Page 43 – Freezestat; for the recommended location.; Figure 22. Typical Piping Recommendations
  • Page 44 – Final Water Piping Connections; Connect the water pipe to the EVP chiller.; Figure 23. Optional Flow Switch Illustration
  • Page 45 – Field Installed Power Wiring; Figure 3; Disconnect Switch External Handle (Factory Mounted Option)
  • Page 46 – Main Unit Power Wiring; Table 7
  • Page 47 – Power Wire Sizing and Protection Device; Equations; LOAD 1 = CURRENT OF THE LARGEST MOTOR (COMPRESSOR OR FAN MOTOR); MCA
  • Page 48 – Electrical Service Sizing Data
  • Page 49 – Field Installed Control Wiring; Controls Using 115 VAC; Electrical Service Sizing Data (continued)
  • Page 50 – Hot Gas Bypass
  • Page 51 – Controls using 24 VAC; Controls using DC Analog Input/Outputs; AC Conductors
  • Page 52 – These components may include:; Economizer Actuator Circuit; Table 10. DC Conductors
  • Page 53 – No System Control; Temperature Control Parameters; Economizer Actuator Circuit Legend
  • Page 54 – Refer to Wiring Notes on
  • Page 55 – Field Connection Diagram Notes for all System Control Options
  • Page 56 – Variable Air Volume Control (Honeywell W7100A)
  • Page 57 – Suction Line Thermostat; Before installing any connecting wiring, refer to; Night Setback; Figure 26. 6RT3 Discharge Air Sensor Assembly
  • Page 58 – Refer to Wiring Notes on Page; EVP Chiller Control; EVP Remote Panel w/ W7100G Controller
  • Page 59 – connection diagram illustrated in; W7100G Discharge Chilled Water Controller
  • Page 60 – Chilled Water Temperature Sensor (Honeywell 6RT2); diagram illustrated in; Figure 28. EVP Chiller Remote Panel
  • Page 61 – Outside Air Thermostat (5S57 Field Provided)
  • Page 65 – for installation and; . As shipped form the
  • Page 67 – Figure 33. 6RT1 Discharge Air Sensor Assembly
  • Page 68 – System Pre-Start Procedures; for the pressure control settings and the unit wiring diagram,; EVP Chiller Applications
  • Page 69 – System Evacuation Procedures
  • Page 70 – illustrates three possible results of the “standing; Figure 34. Typical Vacuum Pump Hookup
  • Page 71 – Discharge Air Controller Checkout (Honeywell W7100A); for terminal and control dial identification.; Figure 35. Evacuation Time vs. Pressure Rise
  • Page 73 – switch to the “OFF” position.; Figure 36. W7100A Discharge Air Controller
  • Page 74 – Discharge Air Sensor Checkout (Honeywell Sensor); Use the conversion chart in; Economizer Actuator Checkout; restore power to the system.
  • Page 75 – EVP Chiller Control Checkout (Honeywell W7100G); and T1 to simulate a discharge air temperature of 60oF.
  • Page 76 – cooling outputs stage “On”.
  • Page 77 – Chilled Water Sensor Checkout (Honeywell Sensor); Figure 38. W7100G Chilled Water Controller
  • Page 78 – Master Energy Control Checkout; for terminal
  • Page 79 – Zone Thermostat Checkout (Honeywell T7067)
  • Page 80 – Discharge Air Sensor Checkout (Honeywell 6RT1)
  • Page 82 – Voltage Imbalance; The percentage of Imbalance equals:; Electrical Phasing
  • Page 83 – Sequence of Operation; monitoring the discharge air temperature sensor and; Economizer Cycle
  • Page 84 – How well the expansion valve is controlling the refrigerant flow.
  • Page 85 – Condenser Fans; illustrates the
  • Page 86 – Figure 43. Condenser Fan Locations
  • Page 87 – Low Ambient Damper Adjustment (Factory or Field Installed); for the damper locations.; Loosen the damper shaft “Locking” set screws on the actuator
  • Page 88 – Check the flow device to ensure it opens and close properly.; Freezestat Setting; Figure 44. Evaporator Pressure Drops
  • Page 89 – “Air Over” Evaporator Application; Verifying Proper Supply Fan Rotation; Turn the 115 volt control circuit switch 1S2 to the “On” position.; a. Measure the actual fan RPM; Measure the difference between the pressures at both locations.
  • Page 90 – CAUTION
  • Page 93 – or optional factory mounted disconnect switch.; Compressor Oil; The scroll compressor uses; Compressor Crankcase Heaters; Table 13. Pressure Control Switch Settings
  • Page 94 – Table 16. Compressor Sequence
  • Page 96 – Figure 47. 20 Ton Pressure Curve
  • Page 97 – Figure 48. 25 Ton Pressure Curve
  • Page 98 – Figure 49. 30Ton Pressure Curve
  • Page 99 – Figure 50. 40 Ton Pressure Curve per Circuit
  • Page 100 – Figure 51. 50 Ton Pressure Curve per Circuit
  • Page 101 – Figure 52. 60 Ton Pressure Curve per Circuit
  • Page 102 – Final System Setup; Table 17. Recommended Operating Setpoints
  • Page 103 – Table 18. Sample Maintenance Log
  • Page 104 – Service & Maintenance; Compressor Operational Sounds; At Low Ambient Start-Up; Scroll Compressor Replacement
  • Page 105 – Table 19. Compressor Circuit Breaker Data
  • Page 106 – Fuse Replacement Data; Air Handling Equipment; Over lubrication can be just as harmful as not enough grease.
  • Page 108 – a. do not allow sprayer pressure to exceed 600 psi.; System operation
  • Page 109 – WARRANTY AND LIABILITY CLAUSE; Manager - Product Service
  • Page 110 – Index
Loading the manual

June 2008

SS-SVX09A-EN

Installation
Operation
Maintenance

Remote Split System Units

Air Cooled Condensing Units and EVP Chillers

Models
“V” and Later Design Sequence
RAUC-C20

RAUC-C40

RAUC-C25

RAUC-C50

RAUC-C30

RAUC-C60

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Summary

Page 2 - Warnings, Cautions and Notices; Note that warnings, cautions and notices appear at; Important; WARNING; Overview of Manual; result in death or serious injury.

© 2008 Trane All rights reserved SS-SVX09A-EN Warnings, Cautions and Notices Warnings, Cautions and Notices. Note that warnings, cautions and notices appear at appropriate intervals throughout this manual. Warnings are provide to alert installing contractors to potential hazards that could result in...

Page 3 - Table of Contents; General Information

Table of Contents SS-SVX09A-EN 3 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Model Number Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Installation . . . . . . . . . . . . . ....

Page 5 - Model Number Description; Unit Nameplate

SS-SVX09A-EN 5 General Information Model Number Description All Trane products are identified by a multiple-character model number that precisely identifies a particular type of unit. An explanation of the alphanumeric identification code is provided below. Its use will enable the owner/operator, in...

Other Trane Models