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Trane CVHE

Trane CVHE
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X39641075120
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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 2017
CCVVHHEE--SSVVXX0022MM--EENN
CVHE, CVHF, and CVHG Water-Cooled CenTraVac
Chillers
With Tracer® AdaptiView™ Control
CVHE
CVHF
CVHG
Installation, Operation,
and Maintenance

Table of Contents

Other manuals for Trane CVHE

Questions and Answers:

Trane CVHE Specifications

General IconGeneral
BrandTrane
ModelCVHE
CategoryChiller
LanguageEnglish

Summary

Introduction and Safety Precautions

Warnings, Cautions, and Notices

Defines the three types of safety advisories used in the manual: Warning, Caution, and Notice.

Important Responsible Refrigerant Practices

Outlines Trane's stance on responsible refrigerant handling and compliance with regulations.

Proper Field Wiring and Grounding

Emphasizes the need for qualified personnel for field wiring to prevent hazards.

Personal Protective Equipment (PPE) Required

Details the mandatory PPE for technicians to avoid injury during service.

Factory Warranty Information

Unit Nameplate Information

Model Number Descriptions

Pre-Installation Requirements

ASHRAE Standard 15 Compliance

Recommends meeting or exceeding ASHRAE Standard 15 guidelines for installations.

Unit Shipment Inspection

Details procedures for inspecting the unit upon arrival for shipping damage.

Installation Requirements and Contractor Responsibilities

Lists contractor responsibilities for unit installation.

Storage Requirements

Unit Components Overview

Unit Clearances and Weights

Recommended Unit Clearances

Specifies required clearances around the chiller for service and maintenance.

General Weights

Provides representative weights for chillers; refers to submittal for specific weights.

Installation: Mechanical

Operating Environment

Details environmental conditions required for proper chiller operation.

Foundation Requirements

Specifies requirements for the chiller mounting surface.

Rigging Procedures

Provides guidelines for safely lifting and moving the chiller unit.

Unit Isolation

Explains the importance of isolation pads or spring isolators for sound and vibration.

Leveling the Unit

Installation: Water Piping

Water Treatment Recommendations

Emphasizes the need for qualified water treatment specialists.

Required Flow-Sensing Devices

Details the use of flow switches and sensors for chiller protection.

Evaporator and Condenser Water Piping

Illustrates recommended water piping arrangements for evaporator and condenser.

Bolt-Tightening Sequence for Water Piping Connections

Provides the correct sequence for tightening flange bolts to prevent leaks.

Vent Piping Requirements

Refrigerant Vent Line

Covers general requirements for venting refrigerant relief devices.

Vent Line Sizing

Details requirements for sizing vent lines based on codes and ASHRAE standards.

Vent Line Installation

Provides recommendations for installing rupture disk vent lines safely.

Insulation Requirements

Unit Insulation Requirements

Specifies areas and quantities of insulation needed for the unit.

Factory Applied Insulation

Describes the types and thicknesses of factory-applied insulation.

Installation: Controls

UC800 Specifications

Details the specifications for the UC800 controller hardware.

Wiring and Port Descriptions

Illustrates UC800 controller ports, LEDs, and wiring terminals.

Communication Interfaces

Lists the four communication connections supported by the UC800 controller.

Installing the Tracer AdaptiView Display

Step-by-step instructions for installing the Tracer AdaptiView display.

Electrical Requirements

Proper Field Wiring and Grounding

Mandates qualified personnel and adherence to codes for safe electrical wiring.

Hazardous Voltage wCapacitors!

Warns about the dangers of power and capacitors during servicing.

Trane-supplied Starter Wiring

Details the standard field power wiring requirements for Trane-supplied starters.

Power Supply Wiring

Provides guidelines for installing and connecting power supply wiring to the starter.

10 to 13.8 kV Medium Voltage Motor

Hazardous Voltage!

Warns about the extreme danger of working with energized medium-voltage circuits.

Motor Terminal Box

Describes the motor terminal box and its connection points.

Motor Supply Wiring

Details safe practices for motor circuit wire sizing and installation.

System Control Circuit Wiring (Field Wiring)

Water Pump Interlock Circuits and Flow Switch Input

Explains the integration of pump interlocks and flow switches for control logic.

Chilled Water Proof of Flow

Ensures evaporator pump is running and providing minimum flow for chiller control.

Condenser Water Proof of Flow

Ensures condenser pump is running and providing minimum flow for chiller control.

Operating Principles

Cooling Cycle Explanation

Describes the refrigerant flow and heat absorption process during cooling.

Compressor Lubrication System

Details the oil circulation, filtration, and cooling for compressor lubrication.

Motor Cooling System

Explains how compressor motors are cooled using liquid refrigerant.

Start-up and Shut-down Procedures

Sequence of Operation Overview

Illustrates the five possible software states and transitions for chiller control.

Daily Unit Start-up

Provides a step-by-step guide for starting the chiller daily.

Seasonal Unit Start-up

Details the procedures for starting the chiller after seasonal storage.

Recommended Maintenance

Recommended Compressor Oil Change

Advises on oil and filter changes based on operation or oil analysis.

Purge System Maintenance

Explains the importance and procedures for maintaining the purge system.

Leak Checking Based on Purge Pump Out Time

Provides a method to determine when leak checks are needed based on purge data.

Refrigerant Charge and Leak Testing

Covers refrigerant handling, charging, and leak testing procedures.

Waterbox Removal and Installation

Procedure for Waterbox Service

Details the steps for safely removing and installing waterboxes.

Torque Requirements and Waterbox Weights

Specifies torque values for waterbox bolts and weights for different waterbox types.

Appendix C. Chiller Start-up Tasks

General Pre-Start Checks

Lists general inspection items required before Trane performs start-up.

Chiller Start-up Procedures

Details the steps Trane technicians perform for chiller start-up.

Appendix D. Annual Inspection List

CompressorMotor Inspection

Covers checks for continuity, meg test, terminals, and IGVs.

Starter or Adaptive Frequency Drive Maintenance

Details maintenance for starters, AFDs, and related components.

Condenser and Evaporator Maintenance

Includes inspection for fouling, scaling, and flow devices.

Leak Test Chiller

Covers procedures for checking purge times, performance logs, and pressure leaks.

Appendix E. Chiller Operator Log

Operator Log Sheet

Provides fields for recording evaporator, condenser, compressor, motor, and purge data.

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