To Next PageTo Next Page
Need help?Do you have a question about the Trane R Series and is the answer not in the manual?
General| Compressor Type | Centrifugal |
|---|---|
| Refrigerant | R-134a |
| Efficiency | High |
| Operating Temperature Range | 40°F to 120°F |
| Voltage Options | 575V |
Verifying unit nameplate data against ordering and shipping information.
Inspecting exterior components for visible damage and reporting issues.
Checklist to protect against loss due to damage incurred in transit.
Checking accessories and loose parts against the shipping list.
Details about RTWA units, including compressors, evaporator, and condenser.
Contractor's responsibilities for installing the unit per manual instructions.
Location and information provided on unit, compressor, and ASME nameplates.
Explains how model numbers represent equipment features and their codes.
Instructions for storing RTWA/RTUA and RTCA units to prevent damage.
Reporting any damage incurred during handling or installation to the sales office.
Considerations for unit placement, including noise and foundation.
Providing rigid mounting pads or concrete foundation for unit support.
Providing adequate space around the unit for installation and maintenance.
Instructions for moving the RTWA/RTUA chiller and RTCA condenser.
Instructions for attaching chains or cables to a lifting beam.
Procedures for mounting and leveling the unit using isolators.
Instructions for flushing and connecting water piping to the unit.
Inlet/outlet types, sizes, locations, and pressure drops for condenser water piping.
How the water regulating valve maintains condensing pressure and temperature.
Recommendations for proper water treatment to prevent scale and corrosion.
Installing pressure gauges on water systems for monitoring pressures.
Installing relief valves to prevent shell damage due to hydrostatic pressure buildup.
Procedures for installing temperature sensors in mixed water.
Venting refrigerant relief valves to the outdoor atmosphere.
Procedures for performing initial leak tests on RTWA, RTUA, and RTCA units.
Requirements for piping between RTUA and air-cooled condensers.
Primary system arrangements, critical roles in line sizing, and physical limits.
Determining appropriate size for field-installed liquid and discharge lines.
Recommends smallest possible liquid line diameter while maintaining pressure drop.
Sizing discharge lines based on velocity needed for oil return.
Installing sensors for RTUA when using non-RTCA condensers.
Determining refrigerant charge by referring to tables and verifying with sightglasses.
Calculating additional oil needed for field-installed piping.
Components the installer must provide if not ordered with the unit.
Sizing and selecting power supply wiring according to project engineer and codes.
RTWA/RTUA units have an onboard control transformer.
Providing power supply wiring for chilled and condenser water pumps.
Wiring required to connect various system components.
Wiring between RTUA units and RTCA or non-RTCA condensers.
Low voltage wiring requirements for remote devices using shielded, twisted-pair conductors.
Customer-specified latching trip-out for emergency stop functionality.
Customer-specified contact closure for individual operation of Circuit #1.
Customer-specified contact closure for individual operation of Circuit #2.
Auxiliary control for customer-specified contact closure for ice making.
Allows external setting of Chilled Water Setpoint via various input methods.
Procedures for connecting sensor leads if they are not long enough.
Sensor used for low ambient lockout and chilled water reset.
Allows Clear Language Display to exchange information with higher-level control devices.
Procedure for installing the Remote CLD unit.
Checklist to verify recommended procedures before unit startup.
Mechanical operating principles of Series R water-cooled liquid chillers with microcomputer controls.
Components of RTUA units including compressors, evaporator, and oil cooler.
Components of RTCA units including terminal box and air-cooled condenser.
Description of the RTWA refrigeration system and control components.
Description of compressors used in RTWA and RTUA chillers, including motor and rotors.
How the UCM starts and balances load on compressors.
Overview of oil circulation and movement within the system.
How RTCA fans are staged based on UCM logic and various sensor inputs.
Overview of the 16 keys on the Clear Language Display panel and readout screen.
Information on diagnostic messages, types, and priority.
Details on features like evaporator temperature monitoring, current limits, and low ambient lockout.
Procedures for leaving water and low refrigerant temperature cutouts.
Protection against phase imbalance/reversal.
UCM logic to detect oil line restriction via oil temperature comparison.
Compressor overload DIP switch settings for various operating conditions.
IPC address settings for Clear Language Display modules.
Verifying supply voltage meets criteria and is within specified range.
Checking for excessive voltage imbalance between phases.
Confirming electrical phase sequence for proper motor rotation.
Establishing balanced chilled water flow through the evaporator.
Measuring water pressure drop through evaporator and condenser.
Verifying refrigerant pressure, sight glasses, and pressures before starting.
Measuring and verifying superheat and subcooling levels.
Procedure for shutting down the unit for a short time and restarting it.
Procedure for taking the system out of service for an extended period.
Checking operating conditions and refrigerant pressures after the unit stabilizes.
Performing weekly maintenance and recording superheat/subcooling.
Performing weekly and monthly maintenance procedures.
Procedures for dislodging foreign material or chemically cleaning the evaporator.
Methods for maintaining condenser efficiency by removing deposits.
Cleaning condenser coils to maintain operating efficiencies.
Recommendations for proper water treatment to prevent scale and corrosion.
Procedure to check the oil level in the oil separator.
Procedure for changing the oil filter if analysis reveals oil contamination.
Procedures for adding refrigerant to RTWA and RTUA units.
Procedures for isolating refrigerant charge in the high side of the unit.
Procedures for isolating refrigerant in the low side of the unit.
Definitions for diagnostic types like MMR, MAR, CMR, CAR, IFW.
Table listing diagnostic descriptions, types, and causes.
Schematics, field wiring, and component location diagrams for RTWA units.
Schematics, field wiring, and component location diagrams for RTUA units.
Schematics, field wiring, and component location diagrams for RTCA units.
