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Uniflair LEONARDO EVOLUTION TDAV 2842 - 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

General Instructions and Safety

Safety Precautions

General Safety Instructions

Warnings on tampering with safety devices, personnel qualifications, and manual reading.

Lifting, Transportation, and Installation Safety

Procedures for safe lifting, moving, installation, and electrical work by specialists.

Usage and Maintenance Safety

Intended use, warnings for use, environmental limits, and safety during maintenance.

Direct Expansion Units - Technical Data

Air Cooled DX Units (TDAR;TUAR)

Technical characteristics for air-cooled DX units with backward curved blade fans.

Air Cooled DX Units with EC Fans

Chilled Water DX Units - Technical Data

Component Descriptions

Electrical Panel (D) Components

Lists and describes components within the electrical panel.

Delivery Checks and Installation Environment

Unit Installation Procedures

Electrical Connections Guide

Electrical Connection Procedures

Details electrical connection procedures, safety warnings, and wiring diagrams.

Refrigerant Piping and Sizing

Discharge Tube Diameter Sizing

Guidance on sizing discharge tubes for oil flow and preventing operational issues.

Refrigerant Pipe Sizing Charts (R407 C)

Refrigerant Pipe Sizing Charts (R410 A)

Refrigerant Line Sizing Guidance

R407 C Line Sizing Flowchart

Flowchart for sizing R407C lines based on cooling capacity and length.

Discharge Tube Sizing Example (R407 C)

Practical example of selecting discharge tube diameter for a specific model.

Dry Cooler Specifications and Installation

Refrigerant Connection Installation

Warnings and procedures for refrigerant connections by qualified technicians.

Refrigerant Circuit Operations and Oil

Refrigerant Evacuation and Charging

Procedures for evacuating and charging R22, R407C, and R410A circuits.

Water Cooled Unit Connections

Water Connection Procedures

Instructions for water connections, glycol percentage, and pressure limits.

Unit Start-Up and Shut-Down Procedures

Manual Unit Start-Up

Step-by-step guide for manually starting the unit via the electrical panel.

Unit Shutdown and Fan Speed Adjustment

Setting Regulation and Safety Devices

Regulation and Safety Device Settings

Instructions for setting room temp/humidity and safety devices.

Air Flow Sensor Setting (FS Pressure Switch)

How to set the FS differential pressure switch for fan operation.

Dirty Filter Sensor Setting (PFS Pressure Switch)

How to set the PFS differential pressure switch based on filter dirt.

Maintenance Schedules and Filter Cleaning

Periodic Maintenance Checks

Lists maintenance checks for three-monthly, six-monthly, annual, and sixty-monthly intervals.

Filter Maintenance for Other Models

Troubleshooting: Unit Start & Temperature Control

Unit Does Not Start Troubleshooting

Troubleshooting steps for unit start-up issues.

Room Temperature Too High Troubleshooting

Troubleshooting steps when room temperature is too high.

Room Temperature Too Low Troubleshooting

Troubleshooting steps when room temperature is too low.

Troubleshooting: Humidity and Fans

Room Humidity Troubleshooting

Troubleshooting steps for high and low room humidity.

Fans Absent or Low Air Flow Troubleshooting

Troubleshooting steps for absent or low air flow issues.

Electric Heater Thermostat Intervention

Troubleshooting for electric heater safety thermostat intervention.

Troubleshooting: Refrigerant Circuit

High Compressor Discharge Pressure Issues

Troubleshooting for high compressor discharge pressure.

High Pressure Switch Intervention

Troubleshooting for high-pressure switch intervention.

Low Compressor Discharge Pressure Issues

Troubleshooting for low compressor discharge pressure.

High Compressor Suction Pressure Issues

Troubleshooting for high compressor suction pressure.

Troubleshooting: Compressors

Low Compressor Suction Pressure

Troubleshooting for low suction pressure and coil freezing.

Compressor Operation Issues

Troubleshooting for compressor failure to operate or internal protection.

Noisy Compressor Troubleshooting

Troubleshooting for noisy compressors.

Leonardo Evolution Chilled Water Units

Delivery Checks and Installation for Chilled Water Units

Chilled Water Unit Installation Procedures

Electrical Connections for Chilled Water Units

Chilled Water Electrical Connection Guide

Details electrical connection procedures, safety warnings, and wiring diagrams.

Hydraulic Circuit Filling Procedures

Hydraulic Circuit Filling

Steps for filling the hydraulic circuit with filtered water, with safety warnings.

Unit Start-Up and Shut-Down (Chilled Water)

Manual Start-Up and Shut-Down (Chilled Water)

Step-by-step guide for manually starting and shutting down the unit.

Fan Power Supply and Adjustment (Chilled Water)

Fan Pressure Tables for Chilled Water Units

Fan Pressure Tables for CE Marked Units

Fan Settings and Safety Adjustments

Setting Regulation and Safety Devices

Instructions for setting room temp/humidity and safety devices.

Control Sensor Settings and Maintenance

Air Flow Sensor Setting

How to set the FS differential pressure switch for fan operation.

Dirty Filter Sensor Setting

How to set the PFS differential pressure switch based on filter dirt.

Maintenance Schedules

Lists maintenance checks for three-monthly, six-monthly, and annual intervals.

Filter Maintenance Procedures

Leonardo Evolution Energy Saving Units

Energy Saving Unit Operation

Leonardo Evolution Twin-Cool Units

Twin-Cool Units with EC Fans

Twin-Cool Unit Operation

Fan Pressure Tables for CE Marked Twin-Cool

Humidifier Operation and Feed Water Requirements

Humidifier Maintenance Procedures

Humidifier Periodic Maintenance

Periodic inspection and cleaning of steam boiler components.

Electric Heaters for Leonardo Units

Electric Heater Functions and Specifications

Describes electric heaters, their functions, and specs for capacities.

Heater Replacement and Sensor Installation

Electrical Heater Replacement Safety

Safety warnings and procedures for replacing electrical heaters.

Uniflair LEONARDO EVOLUTION TDAV 2842 Specifications

General IconGeneral
BrandUniflair
ModelLEONARDO EVOLUTION TDAV 2842
CategoryAir Conditioner
LanguageEnglish

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