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Uniflair LEONARDO EVOLUTION TDAV 1121 - 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

General Instructions

General safety precautions and responsibilities.

Warnings for Lifting and Transportation

Safety guidelines for moving the unit.

Warnings for Installation

Safety precautions for unit installation.

Safety during Maintenance Work

Safety precautions for maintenance activities.

LEONARDO EVOLUTION - DIRECT EXPANSION

CHILLED WATER DIRECT EXPANSION UNITS

INSTALLATION PREPARATION

ELECTRICAL CONNECTIONS

Safety Warnings

Critical safety warnings for electrical connection.

GAS DRAIN CONNECTION

REFRIGERANT CONNECTIONS

Air Cooled Unit Installation Guide

Important warnings for refrigerant pipe installation.

DISCHARGE TUBE DIAMETER SELECTION

REFRIGERANT CIRCUIT MANAGEMENT

Evacuation and Refrigerant Charging

Procedures for R22 and R407C/R410A refrigerant handling.

MANUAL START UP AND SHUT DOWN

Unit Start-up Procedure

Step-by-step guide to starting the unit.

Unit Shut-down Procedure

Steps to safely turn off the unit.

SETTING AND ADJUSTMENT

SETTING AND ADJUSTMENT

Air Flow Sensor Setting

Adjusting the FS differential pressure switch for fan operation.

Dirty Filter Sensor Setting

Adjusting the PFS differential pressure switch for filter status.

TROUBLESHOOTING

Unit Does Not Start

Checks for issues when the unit fails to start.

TEMPERATURE CONTROL

Room Temperature Too High

Possible causes and solutions for high room temperature.

Room Temperature Too Low

Possible causes and solutions for low room temperature.

HUMIDITY CONTROL

Room Humidity Too High

Causes and solutions for excessive room humidity.

Room Humidity Too Low

Causes and solutions for low room humidity.

FANS

Absent or Low Air Flow

Troubleshooting steps for fan issues and low air flow.

ELECTRIC HEATERS

Electric Heater Safety Thermostat Intervenes

Causes and solutions when the heater safety thermostat trips.

REFRIGERANT CIRCUIT

High Compressor Discharge Pressure

Troubleshooting for high discharge pressure issues.

AP High Pressure Switch Intervenes

Actions when the high-pressure switch activates.

Low Compressor Discharge Pressure

Troubleshooting for low discharge pressure issues.

High Compressor Suction Pressure

Troubleshooting for high suction pressure issues.

COMPRESSORS

Low Compressor Suction Pressure

Causes and solutions for low suction pressure, including coil freezing.

Compressor(s) Doesnt;Dont Work

Troubleshooting steps when the compressor is not operating.

Compressors Internal Protection Intervenes

Troubleshooting for compressor internal protection activation.

LEONARDO EVOLUTION - CHILLED WATER

DELIVERY AND UNLOADING CHECKS

HYDRAULIC CONNECTIONS

FILLING THE HYDRAULIC CIRCUIT

Hydraulic Circuit Filling Procedures

Steps for filling and bleeding hydraulic circuits.

LEONARDO EVOLUTION ENERGY SAVING

LEONARDO EVOLUTION TWIN-COOL

TWIN-COOL UNITS - EC FANS

Technical Characteristics

Technical specifications for Twin-Cool models with EC fans.

REPLACING ELECTRICAL HEATERS

Safety Precautions

Warnings before replacing electrical heaters.

Uniflair LEONARDO EVOLUTION TDAV 1121 Specifications

General IconGeneral
BrandUniflair
ModelLEONARDO EVOLUTION TDAV 1121
CategoryAir Conditioner
LanguageEnglish

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