Trane Ascend ACR Series User Manual

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Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and
air-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered
equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the
literature and on the tags, stickers, and labels that are attached to the equipment.
March 2019
AACC--SSVVXX000011AA--EENN
Ascend™™ Air-Cooled Chiller — Model ACR
With AdaptiSpeed™ Technology
Quiet operation enabled by InvisiSound™ Technology
150 to 300 Nominal Tons
Installation, Operation,
and Maintenance

Trane Ascend ACR Series Specifications

General

Brand	Trane
Model	Ascend ACR Series
Category	Chiller
Language	English

Summary

Introduction to Trane Chiller Operations

Warnings, Cautions, and Notices

Defines advisory types and their meanings.

Proper Field Wiring and Grounding Required

Critical safety warning for correct electrical installation.

Personal Protective Equipment (PPE) Required

Essential safety warning for technician protection.

Factory Warranty Information

Details requirements to maintain factory warranty.

Safety Warnings and Environmental Concerns

Covers EHS policies and refrigerant practices.

Model Number Information

Nameplates and Model Number System

Explains unit and compressor nameplate data and coding.

General Information and Requirements

Unit Description and Specifications

Describes the chiller unit's features and length.

Drive Cooling Fluid Requirements

Discusses the proper drive cooling fluid and its handling.

Pre-Installation Unit Inspection

Covers exterior and concealed damage checks.

Storage Requirements and Installation

Details storage precautions and installation needs.

Dimensions, Weights, and Clearances

Unit Weights and Dimensions

Provides detailed weight and size specifications.

Service Clearance Requirements

Specifies necessary space for maintenance access.

Lifting and Moving Instructions

Crucial safety guidelines for unit handling.

Installation Mechanical and Electrical

Location Requirements and Foundation

Guidelines for unit placement and mounting.

Evaporator Piping and Freeze Protection

Covers piping configurations and freeze prevention.

Installation Electrical Recommendations

General advice for electrical wiring.

Hazardous Voltage Warnings

Critical safety notices for electrical work.

Chiller Operating Principles and Control System

Refrigeration Cycle and Components

Explains the cooling cycle and key parts.

UC800 Controller and Display

Overview of the control system interface.

Home Screen and Operating Modes

Navigating the display and understanding unit modes.

Equipment Settings and Security

Accessing and managing unit configurations.

Unit Start-up, Shutdown, and Operational Sequences

Unit Start-up and Extended Shutdown

Step-by-step procedures for unit operations.

Seasonal Start-up and Restart

Procedures for seasonal transitions.

Compressor Operation Sequences

Details lead and lag compressor start-up.

Normal Shutdown to Stopped or Run Inhibit

Sequence for normal shutdown.

Chiller Maintenance and Diagnostics

Recommended Maintenance Schedule

Routine checks and tasks.

Refrigerant and Oil Charge Management

Importance of proper charge.

Lubrication System and Oil Check

Maintaining the oil system for proper function.

General Diagnostics Information

Understanding diagnostic codes and system status.

AFD and Main Processor Diagnostics

Troubleshooting specific system components.

Unit Wiring and Operational Logs

Unit Wiring Schematics and Diagrams

Locating and understanding electrical wiring.

Installation Completion Checklist

Form for verifying installation tasks.

Operator Log for Performance Tracking

Template for recording operational data.