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Vertiv Liebert Drycooler User Manual

Vertiv Liebert Drycooler
102 pages
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Lieber
Air-cooled, Direct-drive Drycooler
Installer/User Guide
50 Hz and 60 Hz

Table of Contents

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Vertiv Liebert Drycooler Specifications

General IconGeneral
TypeDrycooler
Cooling CapacityVaries by model
AirflowVaries by model
DimensionsVaries by model
WeightVaries by model
Noise LevelVaries by model

Summary

Important Safety Instructions

Nomenclature and Components

Liebert Drycooler Model Number Nomenclature

Defines the structure and meaning of each digit in the Liebert Drycooler model number.

Product Description and Features

Describes the Liebert Air-cooled, Direct-drive Drycooler's construction, design, and key features.

Preinstallation and Site Preparation Guidelines

Shipping Dimensions and Weights

Provides approximate net and shipping weights, dimensions, and volume for drycooler models.

Planning Dimensions and Anchor Plans

Lists relevant documents for cabinet and anchor dimensions for drycooler installation.

Pump Packages

Details planning dimensions, electrical requirements, and connections for pump packages.

Equipment Inspection and Handling

Handling Unit on the Skid

Details procedures for moving and handling the unit using a forklift or crane.

Unpacking the Unit—All Unit Sizes

Outlines the steps for safely unpacking the drycooler unit from its packaging.

Preparing 1 to 4 Fan Drycooler for Moving and Installation

Describes recommended methods for attaching legs and preparing 1-4 fan units for moving.

Preparing 6 and 8 Fan Drycoolers for Moving and Installation

Details recommended procedures for attaching legs and preparing 6-8 fan units for moving.

Mounting the Drycooler

Specifies requirements for installing the drycooler on a level surface and securing it.

Piping

Guidelines for Expansion Tanks, Fluid-relief Valves, Air Management and Other Devices

Discusses essential piping components like expansion tanks, relief valves, and air management systems.

Preparing to Fill the System

Provides critical notices and steps for preparing the system before filling it with glycol.

Filling the Drycooler System

Details the recommended procedure for filling the drycooler system with glycol.

Electrical Connections

Line Voltage Wiring

Covers requirements for line-voltage electrical service, including safety and connection details.

Low Voltage Control Wiring

Explains control interlock wiring requirements between drycooler and indoor units.

Checklist for Completed Installation

Electrical Installation Checks

Lists checks for electrical connections, power ratings, grounding, and wiring integrity.

Piping Installation Checks

Verifies proper piping sizing, leak checks, evacuation, and insulation.

Other Installation Checks

Covers aquastat setpoints, removal of foreign material, and locating start-up sheets.

Troubleshooting

Troubleshooting Symptoms and Checks

Provides a table of common symptoms, possible causes, and remedies for unit operation issues.

Operation

Start-up Checklist

Lists essential steps to perform before starting up the drycooler unit.

Startup: Drycooler Aquastat Settings

Guides on setting aquastats based on system type and configuration for optimal performance.

Maintenance

General Maintenance

Provides guidance on recording unit information and performing periodic attention for satisfactory operation.

Drycooler Cleaning

Explains the importance of clean coils for efficiency and provides cleaning guidelines.

Preventive Maintenance Checklist

APPENDICES

Appendix A: Technical Support and Contacts

Lists Vertiv technical support phone numbers and contact locations for various regions.

Appendix B: Submittal Drawings

Lists relevant document numbers and titles for submittal drawings.

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