Trane CG-PRC011-EN - Manuals

Page 2 - The Trane 20-60 Ton Scroll Liquid Chiller

CG-PRC011-EN © 2002 American Standard Inc. All rights reserved. Features andBenefits More Than Just Another “Improved”Chiller — Advanced Design— Better Reliability— Superior Efficiency— Smarter Microprocessor Control— Better Availability— Easier To Install and Operate The Trane 20-60 Ton Scroll Liqu...

Page 3 - Contents

3 CG-PRC011-EN Contents Features and Benefits Model Number Description General Data Application Considerations Selection Procedure Performance Adjustment Factors Performance Data Electrical Data Jobsite Connection Controls Dimensional Data Weights Options Typical Wiring Diagrams Features Summary Mec...

Page 4 - Standard Features

CG-PRC011-EN 4 Standard Features Microprocessor Control Microprocessor control means the scrollchiller maintains chilled watertemperature more accurately, resulting inless temperature drift in the building. Themicroprocessor control also incorporatesoptimal chiller start-up logic (low andhigh ambien...

Page 8 - System

CG-PRC011-EN 8 Trane Integrated ComfortSystemThe Future Is Now! Simple • Factory packaging for smooth start-up.• Easy to install with only a single twisted wire pair to the central Tracer buildingmanagement system. • Constant, comprehensive monitoring tracks equipment operation and takescontrol to k...

Page 9 - Model Number Description

9 CG-PRC011-EN Model NumberDescription Digits 01, 02, 03, – Chiller Series CGW = Water-Cooled Scroll ChillerCCA = Scroll Compressor Chiller Digits 04, – Development Sequence Digits 05, 06, 07 – Nominal Capacity 020 = 20 Tons (Simplex Circuit, 2 Compressors) 025 = 25 Tons (Simplex Circuit, 2 Compress...

Page 10 - General Data

CG-PRC011-EN 10 Table GD-1 — General Data — CGWE Water-Cooled Chiller Size 20 25 30 40 50 60 Compressor Quantity (1) 2 2 2 2/2 2/2 2/2 Nominal Size (tons) (2) 10/10 10/15 15/15 10-10/10-10 10-15/10-15 15-15/15-15 Steps of Unloading (%) 100,50 100,60 100,50 100,75,50,25 100,80,60,30 100,75,50,25 Evap...

Page 23 - Pressure Drops

23 CG-PRC011-EN PerformanceData Chart PD-1 – CGWE Evaporator Chart PD-2 – CGWE Condenser Pressure Drops

Page 24 - Electrical Data

CG-PRC011-EN 24 Electrical Data Table E-1 - Electrical Data for CGWE Water-Cooled Chillers Unit Wiring Data Compressor Controls Unit Rated Minimum Maximum Recommended RLA LRA Size Voltage Circuit Ampacity Fuse Size Dual Element Fuse Size Quantity Each Each kW 200-230/60 77 110 90 34 251 0.16 380/60 ...

Page 28 - Controls

CG-PRC011-EN 28 Controls A microcomputer-based controllercontrols the CGWE and CCAD scrollchiller. The microcomputer controllerprovides better control than pastcontrols with several new, importantbenefits. Customized Control The microcomputer-based controllerallows Trane to customize controlsaround ...

Page 34 - Weights

CG-PRC011-EN 34 Weights Table W-1 – Weights, CGWE Chillers Unit 20 25 30 40 50 60 Operating Wt. (lb.) 1454 1517 2009 2506 2727 3753 (kg) 660 689 912 1138 1238 1704 Shipping Wt. (lb.) 1282 1360 1774 2126 2376 3224 (kg) 582 618 806 965 1079 1464 Table W-2 – Weights, CCAD Compressor-Chillers Unit 20 25...

Page 35 - Options

35 CG-PRC011-EN Options Hot Gas Bypass: Hot gas bypass option allows unit operation below theminimum step of unit unloading. Theregulator valve, along with all associatedrefrigerant piping and electrical wiring,are factory installed and tested on onerefrigeration circuit. Unit does not start inhot g...