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Uniflair LEONARDO EVOLUTION TUAR1322A - User Manual

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LEONARDO EVOLUTION
INSTALLATION MANUAL
LEONARDO EVOLUTION
VERSION: 1.7
DATE: FEBRUARY 2010
LANGUAGE: ENGLISH

Table of Contents

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Summary

SAFETY GUIDELINES

General Safety, Personnel, and Maintenance Precautions

Essential safety instructions, personnel requirements, and precautions during maintenance.

Lifting, Transportation, and Installation Safety

Safety procedures for lifting, transporting, and installing the unit.

PRINCIPLE COMPONENTS IDENTIFICATION

COMPONENT DESCRIPTIONS

ADDITIONAL COMPONENT DESCRIPTIONS

Cooling Circuit (G) and Heat Exchanger (H) Components

Identifies and describes cooling circuit and heat exchanger components.

DELIVERY AND INSTALLATION CHECKS

INSTALLATION PROCEDURES

ELECTRICAL CONNECTIONS

Power Supply Cable Connections

Step-by-step guide for connecting main power supply cables.

ELECTRICAL AND DRAIN CONNECTIONS

Refrigerant Gas Drain Connection

Procedure for connecting the safety valve discharge to safely vent refrigerant gas.

REFRIGERANT CONNECTIONS ON AIR COOLED UNITS

Installation Guide and Pipe Protection

Guidelines for installing refrigerant connections and protecting pipes.

Discharge Tube Sizing

Guidance on selecting discharge tube diameter for proper oil flow and performance.

R407 C DISCHARGE TUBE SIZING CHARTS

R407 C Discharge Tube Sizing Charts

Charts for determining R407C discharge tube diameter based on capacity and length.

R410 A DISCHARGE TUBE SIZING CHARTS

R410 A Discharge Tube Sizing Charts (Capacity)

Charts for determining R410A discharge tube diameter based on capacity.

R410 A Discharge Tube Sizing Charts (Equivalent Length)

Charts to assess R410A discharge tube sizing based on equivalent length.

R410 A DISCHARGE TUBE SIZING CHARTS (PRESSURE DROP)

R410 A Discharge Tube Sizing Charts (Pressure Drop)

Charts for R410A discharge tube sizing considering pressure drop.

LINE SIZING GUIDELINES

R407 C Discharge Tube Sizing Example

Example demonstrating discharge tube diameter selection for R407C.

BACKFLOW LINE DIMENSIONING (LIQUID)

Liquid Line Diameters and Condenser Models

Provides liquid line diameter recommendations and suggested condenser models.

DRY COOLERS AND REFRIGERANT CONNECTIONS

REFRIGERANT CIRCUIT OPERATIONS

Evacuation and Refrigerant Charging Procedures

Detailed procedures for evacuating and charging the refrigeration circuit.

CONNECTION FOR WATER COOLED UNITS

MANUAL START UP AND SHUT DOWN

Unit Startup Procedure

Step-by-step guide for manually starting up the unit.

Unit Shutdown Procedure

Instructions for safely shutting down the unit via the user terminal.

SETTING AND ADJUSTMENT

FAN VOLTAGE CONNECTION DIAGRAMS

SETTING REGULATION AND SAFETY DEVICES

Setting Air Flow and Dirty Filter Sensors

Instructions for setting differential pressure switches for air flow and filters.

Safety Device Settings and Water Temperatures

Details on setting safety devices and water temperature limits.

MAINTENANCE SCHEDULE

FILTER CLEANING AND REPLACEMENT (OTHER MODELS)

TROUBLESHOOTING GUIDE

Unit Startup and Temperature Control Issues

Troubleshooting steps for unit startup and temperature control problems.

Room Temperature Too Low Troubleshooting

Diagnostic steps for room temperature being too low.

ADDITIONAL TROUBLESHOOTING

Humidity and Fan Troubleshooting

Diagnostic steps for humidity control and fan operation issues.

Electric Heater Thermostat Troubleshooting

Troubleshooting for electric heater safety thermostat intervention.

REFRIGERANT CIRCUIT TROUBLESHOOTING

High Compressor Discharge Pressure Issues

Diagnosing and resolving high compressor discharge pressure problems.

Low Compressor Pressure Issues

Troubleshooting steps for low compressor discharge and suction pressures.

COMPRESSOR TROUBLESHOOTING

Low Compressor Suction Pressure and Freezing

Diagnosing low suction pressure and potential coil freezing issues.

Compressor Operation and Noise Troubleshooting

Troubleshooting for non-operational compressors, protection intervention, and noise.

PRINCIPLE COMPONENTS IDENTIFICATION (CHILLED WATER)

Component Identification for TD.;TU. 2222 ÷ 3342 Models

Identifies key components of the chilled water units for models 2222 to 3342.

COMPONENT DESCRIPTIONS (CHILLED WATER)

DELIVERY AND INSTALLATION CHECKS (CHILLED WATER)

Delivery Checks and Packaging Disposal

Procedures for checking unit delivery, packaging, and contents.

Unit Unloading Procedure

Step-by-step instructions for safely unloading the unit.

INSTALLATION PROCEDURES (CHILLED WATER)

ELECTRICAL CONNECTIONS (CHILLED WATER UNITS)

General Electrical Connection Warnings

Critical warnings regarding electrical connection safety, voltage, and personnel.

Power Supply Cable Connections for Different Models

Guide for connecting power supply cables to various unit models.

AUXILIARY CONNECTIONS AND DRAINAGE

Auxiliary Connections and Terminal Board

Instructions for connecting auxiliary electrical components to the terminal board.

Water Drain and Humidifier Connections

Details for connecting unit drains and humidifier drains to the building's drainage system.

HYDRAULIC CIRCUIT MANAGEMENT

FAN VOLTAGE AND PRESSURE TABLES

FAN VOLTAGE AND PRESSURE TABLES (CONTINUED)

SENSOR SETTINGS AND MAINTENANCE

Setting the FS Differential Pressure Switch (Air Flow)

Procedure for setting the FS differential pressure switch for fan operation monitoring.

Setting the PFS Differential Pressure Switch (Dirty Filters)

Procedure for setting the PFS differential pressure switch for monitoring dirty filters.

Periodic Maintenance Checks

Schedule and checklist for regular maintenance tasks.

VALVE AND SERVOMOTOR OPERATION

PRINCIPLE COMPONENTS IDENTIFICATION (ENERGY SAVING)

COMPONENT DESCRIPTIONS (ENERGY SAVING)

ADDITIONAL COMPONENT DESCRIPTIONS (ENERGY SAVING)

ROOM TEMPERATURE AND HUMIDITY SENSOR

PRINCIPLE COMPONENTS IDENTIFICATION (TWIN-COOL)

Component Identification for TD.;TU. 511 ÷ 1822 Models

Identifies key components of the Twin-Cool units for models 511 to 1822.

COMPONENT DESCRIPTIONS (TWIN-COOL)

User Terminal (A), Electrical Panel Door (B), and Electrical Panel (D) Components

Details the functions of the user terminal, panel door, and electrical panel components.

COOLING CIRCUIT COMPONENTS (G)

SENSOR AND VOLTAGE LEVEL INFORMATION

HUMIDIFIER MAINTENANCE PROCEDURES

ELECTRIC HEATERS

HEATER AND SENSOR REPLACEMENT

MAINTENANCE AND SENSOR INSTALLATION

Uniflair LEONARDO EVOLUTION TUAR1322A Specifications

General IconGeneral
BrandUniflair
ModelLEONARDO EVOLUTION TUAR1322A
CategoryAir Conditioner
LanguageEnglish

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