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Trane RAUC-C40 User Manual

Trane RAUC-C40
112 pages
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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

Table of Contents

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Trane RAUC-C40 Specifications

General IconGeneral
Refrigerant TypeR-410A
Voltage208/230V
Phase1
Sound Level (Outdoor Unit)76 dB
Operating Temperature Range (Cooling)55°F - 125°F

Summary

Warnings, Cautions and Notices

Important Environmental Concerns!

Discusses the impact of chemicals on the ozone layer and responsible refrigerant handling.

Responsible Refrigerant Practices!

Emphasizes certified technicians and adherence to refrigerant handling laws.

Grounding Required!

Highlights the necessity of proper electrical grounding for safety and to prevent injury.

General Information

Model Number Description

Explains the alphanumeric code used to identify unit type, capacity, and options.

Unit Description

Provides an overview of the unit's design, components, and installation features.

Installation

Unit Inspection

Details steps for checking the unit upon arrival for shipping damage and material accuracy.

Unit Clearances

Specifies minimum distances required for operation, service, and peak efficiency.

Rigging

Provides instructions and warnings for safely lifting and handling the unit using proper rigging techniques.

Unit Isolation

Explains methods to minimize sound and vibration transmission using isolators.

Refrigerant Piping Requirements

Lists necessary components and guidelines for installing refrigerant piping for optimal system performance.

Main Electrical Power Requirements

Outlines essential requirements for connecting the unit's main electrical power supply safely.

Field Installed Control Wiring Requirements

Details necessary steps and safety precautions for wiring control components in the field.

Brazing Procedures

Explains safe and proper techniques for sweat connections when installing refrigerant piping.

Leak Testing Procedure

Provides a step-by-step guide for testing the refrigeration system for leaks using safe methods.

Chilled Water Piping

Covers requirements for installing chilled water piping, including isolation and insulation.

Field Installed Power Wiring

Details the process of installing the unit's power wiring entrance and supply power.

Power Wire Sizing and Protection Device Equations

Details calculations for determining appropriate wire size, circuit breakers, and fuses.

System Pre-Start Procedures

System Evacuation Procedures

Outlines the process for evacuating the refrigeration circuit to remove moisture and air.

Discharge Air Controller Checkout (Honeywell W7100A)

Describes how to test the functionality of the W7100A discharge air controller.

EVP Chiller Control Checkout (Honeywell W7100G)

Details the procedure for checking the operation of the W7100G chilled water controller.

Master Energy Control Checkout

Explains how to verify the operation of the Master Energy Controller (MEC).

Zone Thermostat Checkout (Honeywell T7067)

Guides on how to check the functionality of the T7067 electronic zone thermostat.

Discharge Air Sensor Checkout (Honeywell 6RT1)

Details how to test the Honeywell 6RT1 discharge air sensor functionality.

System Start-Up

Sequence of Operation

Explains the operational logic of the VAV W7100A Discharge Air Controller.

Condenser Fans

Describes how condenser fan cycling is accomplished through interlocking controls.

Compressor Start-Up (All Systems)

Provides critical steps and precautions for safely starting compressors.

Measuring Subcooling

Details the procedure for measuring subcooling in the refrigerant system.

Measuring Superheat

Outlines the process for measuring and verifying superheat for proper system performance.

Service & Maintenance

Compressor Operational Sounds

Describes normal operational sounds of scroll compressors and how they differ from reciprocating types.

Scroll Compressor Replacement

Covers electrical data and breaker ranges for compressor replacement.

Fuse Replacement Data

Lists replacement fuse information for control circuits, compressors, and fans.

Monthly Maintenance

Provides a checklist of routine maintenance tasks for air handling equipment.

Coil Cleaning

Explains how to clean evaporator and condenser coils to maintain operating efficiency.

WARRANTY AND LIABILITY CLAUSE

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