Uniflair LEONARDO EVOLUTION TDAR 1422A

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Summary

Leonardo Evolution - Direct Expansion

Chilled Water Direct Expansion Units

Refrigerant connections on air cooled units

Choosing the diameter of the discharge tube

Guidance on selecting the correct diameter for discharge tubes.

Line sizing R407 C

Charts for sizing R407C discharge lines based on capacity.

Example - Choosing the diameter of the discharge tube

A practical example illustrating discharge tube sizing.

Backflow Line Dimensioning (Liquid)

Liquid line external diameters

Charts for determining liquid line diameters.

Evacuation of the refrigeration circuit and charging of refrigerant

Type of oil recommended with COPELAND compressors

Type of oil recommended with MANEUROP compressors

Type of oil recommended with SANYO compressors

Type of oil recommended with Scrolltech HCJ 072-HLJ 083 compressors

Manual Start Up and Shut Down of the Unit

Setting and Adjustment

How to Adjust Fan Speed

Selecting the power supply of the fans

Guidelines for selecting the appropriate fan power supply voltage.

Models with a Phase Control Voltage Regulator

Details on voltage regulators for specific models.

Setting the regulation and safety devices

Setting the air flow sensor

Adjusting the differential pressure switch for airflow monitoring.

Setting the dirty filter sensors

Adjusting the pressure switch for detecting dirty filters.

Maintenance

Three-monthly checks

Six-monthly checks

Annual checks

Checks to be performed every sixty months

Cleaning and repalcing the filters

Troubleshooting

Temperature Control

Identifies and resolves temperature-related issues.

Humidity Control

Fans

Electric Heater

Refrigerant Circuit

Diagnoses and resolves issues within the refrigerant circuit.

Compressors

Troubleshooting steps for compressor problems.

Leonardo Evolution - Chilled Water

Chilled Water Units with EC Backward Curved Blade Fans

Leonardo Evolution Energy Saving

Energy Saving Unit with Backward Curved Blade Fans

Specifies Energy Saving units with EC backward curved fans.

Leonardo Evolution Twin-Cool

Technical characteristics

Details the technical specifications for Twin-Cool units.

Twin Cool Unit with Backward Curved Balde Fans

Specifies Twin-Cool units with EC backward curved fans.

Operating description

Explains the operational principles of Twin-Cool units.

Name and description of the principle components

Identifies and describes the main components of Twin-Cool units.

Description of the components

Provides a detailed explanation of individual Twin-Cool unit components.

Electric Heaters

Replacing the Electrical Heaters