Manuali utente per Liebert 308 415

Sommario

• 1.0 Introduction

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  • 1.1 Product Description and Features

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    • Figure 1 Liebert two-fan condenser

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  • 1.2 Head Pressure Control Types

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    • 1.2.1 Fan Speed

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    • 1.2.2 Variable Frequency Drive

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    • 1.2.3 Liebert Lee-Temp™ Refrigerant Control

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  • 1.3 Sound Level Options

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    • 1.3.1 Standard Condenser

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    • 1.3.2 Quiet-Line Condenser

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  • 1.4 Transient Voltage Surge Suppression Option

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  • 1.5 Typical System Configurations

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    • Figure 2 Typical system configuration-indoor unit and outdoor condenser and field piping

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• 2.0 Site Preparation

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  • 2.1 Site Considerations

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  • 2.2 Dimensions and Weights

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    • Table 1 Condenser shipping weights, dimensions and volume, approximate

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    • Figure 3 Condenser planning dimensional data-One-fan and two-fan units

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    • Figure 4 Condenser planning dimensional data-Three-fan and four-fan units

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    • Figure 5 Condenser planning dimensional data-Six- and eight-fan units

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    • Figure 6 Typical condenser footprint-dimensions

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    • Figure 7 Piping connection locations for 1-, 2-, 3- and 4-fan VFD Control and Fan Speed Condensers

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    • Figure 8 Piping connections for 1-, 2-, 3- and 4-fan Lee-Temp and Quiet-Line Condensers

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    • Figure 9 Piping connections for 6- and 8-fan Fan Speed Condensers

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    • Figure 10 Piping connections for 6- and 8-fan Lee-Temp and Quiet-Line Condensers

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    • Table 2 Condenser physical data

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  • 2.3 Refrigerant Planning Values

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    • Table 3 R-22 and R-407C refrigerant required, approximate

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    • Table 4 Interconnecting piping refrigerant charge

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• 3.0 Inspection and Installation

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  • 3.1 Equipment Inspection

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    • 3.1.1 Packing Material

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• SAFETY INFORMATION

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  • Figure 11 Equipment recommended for handling a Liebert condenser

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  • 3.2 Handling Unit on the Skid

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  • 3.3 Unpacking the Unit

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    • Figure 12 Removing shipping crate

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  • 3.4 Preparing a 1-, 2-, 3- or 4-Fan Condenser for Moving and Installation

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    • 3.4.1 Removing the Skid and Attaching Slings

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      • Figure 13 Attaching legs and sling to a 1-, 2-, 3- or 4-fan condenser for moving

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  • 3.5 Preparing a 6-Fan or 8-Fan Condenser for Moving and Installation

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    • 3.5.1 Removing the Skid and Attaching Slings

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      • Figure 14 Attaching legs to a 6-fan or 8-fan unit

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      • Figure 15 Attaching sling to a 6-fan or 8-fan unit for moving

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    • 3.5.2 Mounting the Condenser

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  • 3.6 Electrical Supply Preparation

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    • 3.6.1 Line Voltage Wiring

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      • Table 5 60Hz condenser data

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      • Table 6 60Hz condenser data, Quiet-Line (Lee-Temp controlled/fan-cycling)

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      • Table 7 50Hz condenser full load amp values

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      • Table 8 Lee-Temp receiver electrical data, 50Hz and 60Hz

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    • 3.6.2 Low Voltage Control Wiring

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    • 3.6.3 Low Voltage Monitoring Wiring-TCDV Only

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  • 3.7 Electrical Connections

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    • 3.7.1 VFD Control Condensers (TCDV) only

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    • 3.7.2 Wye-Connected Power Supply

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      • Figure 16 Wye-connected power diagram

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    • 3.7.3 Delta-Connected Power Supply

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      • Figure 17 Delta-connected power diagram

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      • Disconnect EMC Filter for Delta-Connected Power

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        • Figure 18 Disconnecting EMC filter for operation with Delta-connected power

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  • 3.8 Electrical Field Connection Descriptions

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    • Figure 19 Electrical field connections for Fan Speed Control Condensers

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    • Figure 20 Electrical field connections for VFD control condensers

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    • Figure 21 Electrical field connections for Liebert Lee-Temp control condensers

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  • 3.9 Refrigeration Piping Connections

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    • 3.9.1 Piping Guidelines

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    • 3.9.2 Field Piping Installation

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      • Figure 22 VFD and Fan Speed Control condenser piping

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      • Figure 23 Lee-Temp head pressure control condenser piping

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      • Figure 24 General arrangement-Air cooled models with Lee-Temp control

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  • 3.10 System Dehydration/Leak Test and Charging Procedures

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• 4.0 Checklist for Completed Installation

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  • 4.1 Moving and Placing Equipment

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  • 4.2 Electrical

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  • 4.3 Piping

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  • 4.4 Other

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• 5.0 Operation

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  • 5.1 Startup Checklist

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  • 5.2 Startup

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• 6.0 System Maintenance

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  • 6.1 General Procedures

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  • 6.2 Special Procedures

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    • 6.2.1 Condenser Cleaning

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      • When to Clean

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      • What to Use

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      • How to Clean

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    • 6.2.2 Maintenance Inspection Checklist

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      • Table 9 Troubleshooting

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