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Trane CGAD050C User Manual

Trane CGAD050C
33 pages
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CGAD
Liquid Chillers
Air-Cooled
Scroll Compressor
20 to 150 Tons
CG-PRC002A-EN
Junho 2006
Models: 50 or 60 Hz
CGAD020C CGAD040C CGAD070C CGAD100C
CGAD025C CGAD050C
CGAD080C CGAD120C
CGAD030C CGAD060C
CGAD090C CGAD150C
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Trane CGAD050C Specifications

General IconGeneral
ModelCGAD050C
TypeAir-Cooled Chiller
RefrigerantR-410A
Compressor TypeScroll
Voltage208-230/460/575V
Phase3
Cooling Capacity50 tons (Nominal)
Full Load AmpsVaries with voltage; see specific model data

Summary

Introduction

Product Overview

Introduces Trane CGAD liquid chillers and their features for performance and durability.

Model Description

Decoding the Model Number

Explains the meaning of each digit in the Trane CGAD model number for configuration.

General Data

Technical Specifications Table

Presents a comprehensive table of general technical data for various models.

Selection Procedures

Calculating Water Flow and Pressure Drop

Details formulas and steps for determining chilled water flow and evaporator pressure drop.

Selection Notes and Examples

Provides key considerations and an example for selecting the appropriate chiller unit.

Application Considerations

Unit Sizing, Placement, and Acoustics

Guidance on unit sizing, optimal placement for airflow, and sound transmission reduction.

Installation Details

Covers hydraulic piping, instrumentation, drains, and water treatment requirements.

Performance Adjustment Factors

Evaporator Pressure Drop Charts

Graphs illustrating evaporator pressure drop based on flow rate and unit capacity.

Glycol and Altitude Adjustments

Factors for adjusting performance based on glycol concentration and altitude variations.

Performance Data

R-22 Performance Tables

Detailed performance data for R-22 units at various condenser air temperatures.

R-407C Performance Tables

Detailed performance data for R-407C units at various condenser air temperatures.

Electrical Data

60 Hz Electrical Specifications

Lists electrical data for 60 Hz models, including consumption and currents.

50 Hz Electrical Specifications

Lists electrical data for 50 Hz models, including consumption and currents.

Controls

Control Module and Safety Features

Describes the CH530 controller, its display, and safety monitoring functions.

External, Optional, and Integrated Controls

Overview of remote operation, optional features, and ICS integration.

Operational Protection and Functions

Compressor and System Protections

Details protections like internal thermostats, phase monitoring, overload, and pressure limits.

Operational Adjustments and Recovery

Covers start balancing, water flow control, cold area operation, and service recovery.

Integrated Comfort System (ICS)

Tracer Summit Integration

Explains how Tracer Summit integrates chiller control for building automation.

System Interfacing Capabilities

Discusses interfacing with external systems and communication protocols.

Advanced Control Strategies

Ice Making and Energy Saving

Details ice making mode, energy efficiency strategies, and optimization.

Emergency Response and Diagnostics

Covers rapid response for emergencies and diagnostic information for operators.

Dimensional Data

CGAD 020C Dimensions

Provides detailed drawings and dimensions for the CGAD 020C unit.

CGAD 025C/030C Dimensions

Provides detailed drawings and dimensions for the CGAD 025C/030C units.

CGAD 040C Dimensions

Provides detailed drawings and dimensions for the CGAD 040C unit.

CGAD 050C/060C Dimensions

Provides detailed drawings and dimensions for the CGAD 050C/060C units.

CGAD 070C Dimensions

Provides detailed drawings and dimensions for the CGAD 070C unit.

CGAD 080C/090C Dimensions

Provides detailed drawings and dimensions for the CGAD 080C/090C units.

CGAD 100C Dimensions

Provides detailed drawings and dimensions for the CGAD 100C unit.

CGAD 120C Dimensions

Provides detailed drawings and dimensions for the CGAD 120C unit.

CGAD 150C Dimensions

Provides detailed drawings and dimensions for the CGAD 150C unit.

Maintenance and Air Circulation Clearances

Clearances for Airflow and Access

Diagrams showing required clearances for proper airflow and maintenance access.

Mechanical Specifications

Evaporator, Condenser, and Line Specs

Details construction of evaporators/condensers and sizes of refrigerating lines.

Cooling Components and Compressor Details

Describes cooling circuit components and the technology of scroll compressors.

General Dimensions

Dimensional Data Summary

Summarizes key dimensional data, including weight and floor area, in a table.

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