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Uniflair LEONARDO EVOLUTION TDAR 611A - 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

SAFETY

General Safety Instructions

Covers warnings about tampering with safety devices and authorized personnel.

Lifting, Transportation, and Installation Warnings

Safety guidelines for lifting, transporting, installing, and locating units.

Safety During Maintenance Work

Emphasizes maintenance by qualified personnel after unplugging.

LEONARDO EVOLUTION - DIRECT EXPANSION

Technical Characteristics: Air Cooled DX Units

Lists dimensions and specifications for Air Cooled Direct Expansion units.

Air Cooled DX Unit Specifications

Lists dimensions and specifications for Air Cooled Direct Expansion units.

CHILLED WATER DX UNITS

Operating Description: Air Cooled DX Units

Explains the operation of Air Cooled Direct Expansion units.

Operating Description: Water Cooled DX Units

Explains the operation of Water Cooled Direct Expansion units.

PRINCIPLE COMPONENTS DESCRIPTION

Component Identification (TD;TU 511-1822)

Identifies main components using labels on a unit image.

User Terminal and Panel Access

Details the user terminal and access points to panels.

Cooling Circuit Components

Identifies and describes components of the cooling circuit.

Component Identification (TD;TU 2222-3342)

Identifies main components using labels on a unit image.

Electrical Panel Components

Lists and describes various components within the electrical panel.

DELIVERY AND INSTALLATION CHECKS

Mounting Frame and Floor Stand Installation

Steps for installing the unit on raised flooring or a floor stand.

Installation Area and Positioning Requirements

Specifies environmental requirements for the installation area, including clearances and positioning.

Door Opening and Panel Removal Procedures

Procedures for opening unit doors and removing front, side, and rear panels.

ELECTRICAL CONNECTIONS

Safety and Connection Procedures

Emphasizes qualified electricians and safe connection procedures.

Drain and Gas Drain Connections

Instructions for connecting unit drains and safety valve discharge.

Humidifier Drain Connection

Warnings and steps for connecting the humidifier drain to the building's drainage.

REFRIGERANT CONNECTIONS

Air Cooled Units Installation Guide

Provides installation advice and discusses discharge tube sizing for air-cooled units.

R407 C Discharge Tube Sizing Charts

Graphics for determining discharge tube diameter based on cooling capacity for R407C.

R410 A Discharge Tube Sizing Charts

Graphics for determining discharge tube diameter based on cooling capacity for R410A.

Discharge Tube Sizing Principles

Explains how to size the discharge tube for oil flow and vibration prevention.

REFRIGERATION CIRCUIT HANDLING

Evacuation and Refrigerant Charging Procedures

Detailed procedures for evacuating and charging the refrigeration circuit with various refrigerants.

MANUAL START UP AND SHUT DOWN

Unit Start-Up Procedure

Step-by-step guide to start up the unit, including electrical checks and user terminal interaction.

SETTING AND ADJUSTMENT

REGULATION AND SAFETY DEVICE SETTINGS

Air Flow and Dirty Filter Sensor Settings

How to set the FS and PFS differential pressure switches for fan and filter monitoring.

MAINTENANCE

TROUBLESHOOTING

Unit Start-Up Failures

Lists possible causes and corrective actions for units that fail to start.

Humidity Control Issues

Lists possible causes and solutions for high or low room humidity.

Room Temperature Too High Issues

Addresses problems with room temperature being too high and their solutions.

Fan Operation Issues

Addresses problems related to absent or low airflow from fans.

Room Temperature Control Issues

Addresses problems with room temperature being too high or too low.

Room Temperature Too Low Issues

Addresses problems with room temperature being too low and their solutions.

REFRIGERANT CIRCUIT TROUBLESHOOTING

High Compressor Discharge Pressure

Possible causes and corrective actions for high discharge pressure.

Low Compressor Suction Pressure

Addresses low suction pressure and potential coil freezing.

High Pressure Switch and Low Discharge Pressure

Troubleshooting for high-pressure switch intervention and low discharge pressure.

COMPRESSOR TROUBLESHOOTING

Compressor Operation and Protection Issues

Troubleshooting for compressors not operating or internal protection intervention.

SETTING SENSORS

Air Flow Sensor (FS Switch) Setting

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

Dirty Filter Sensor (PFS Switch) Setting

How to set the PFS differential pressure switch for filter monitoring.

LEONARDO EVOLUTION ENERGY SAVING

Energy Saving Unit Operating Description

Explains the operating principle of Energy Saving units, including free cooling.

OPERATING DESCRIPTION

TWIN-COOL Unit Operation

Explains the operating principle of TWIN-COOL units with independent cooling circuits.

Uniflair LEONARDO EVOLUTION TDAR 611A Specifications

General IconGeneral
BrandUniflair
ModelLEONARDO EVOLUTION TDAR 611A
CategoryAir Conditioner
LanguageEnglish

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