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Uniflair Amico - User Manual

Uniflair Amico
60 pages
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VERSION: 1.2
DATE: OCTOBER 2012
LANGUAGE: ENGLISH
AMICO
Installation Manual
AMICO

Table of Contents

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Summary

GENERAL INSTRUCTIONS

Manual Information and Symbols

General information about the manual, symbols, and warnings.

Storage and Disposal Procedures

Guidelines for storing and disposing of the unit.

Preliminary Operations for Maintenance

Steps before maintenance: power, circuits, hydraulics.

Machine Disassembly Overview

General approach to disassembling machine components.

COMPONENT DISPOSAL AND RECYCLING

Unit Components Disposal

Procedures for disposing of filters, coils, pipes, pumps, and electrical parts.

Major Assemblies Disposal

Disposal of fans, compressors, liquid separators, and metal base.

Waste Classification Codes

Reference to CER codes for waste disposal classification.

SAFETY

General Safety Instructions

Overall safety warnings, lifting, and installation precautions.

Usage and Environmental Limits

Guidelines for proper use and environmental operating conditions.

Safety During Maintenance

Crucial safety measures for maintenance procedures.

INTRODUCTION

Presentation of the System

Overview of AMICO precision air conditioning units.

Air Flow Configurations

Explanation of Upflow and Downflow air configurations.

MODELS AND SPECIFICATIONS

Model Identification System

Breakdown of the model code and its components.

Technical Specifications Overview

Details on power supply, fan types, and cooling capacity.

Identification Plate Information

Key data found on the unit's identification plate.

SYMBOLS AND MARKINGS

Machine Symbols

Symbols used on the unit indicating hazards like high voltage.

Package Handling Symbols

Symbols for handling and storing packaged units safely.

TECHNICAL CHARACTERISTICS - DIRECT EXPANSION UNITS

Air Cooled Centrifugal Fans

Technical data for air-cooled units with centrifugal fans.

Water Cooled Centrifugal Fans

Technical data for water-cooled units with centrifugal fans.

TECHNICAL CHARACTERISTICS - RADIAL FANS

Air Cooled Radial Fans (EC)

Technical data for air-cooled units with EC radial fans.

Water Cooled Radial Fans (EC)

Technical data for water-cooled units with EC radial fans.

OPERATING DESCRIPTION

Air Cooled Direct Expansion Units (DXA)

How DXA units extract and transfer heat using refrigerant.

Water Cooled Direct Expansion Units (DXW)

How DXW units transfer heat via water using a plate exchanger.

PRINCIPAL COMPONENTS

SDA*;SDW* Model Components

Visual identification of components for SDA*/SDW* models.

SUA*;SUW* Model Components

Visual identification of components for SUA*/SUW* models.

Internal Components Overview

Detailed view and labeling of internal unit parts.

COMPONENT DESCRIPTIONS

User Terminal Functions

Description of the user terminal buttons and display functions.

Electrical Panel Components

Identification of components within the electrical panel.

Air Filter and Fans

Description of the air filter and fan components.

DETAILED COMPONENT ANALYSIS

Refrigerant Cooling Circuit

Identification and function of cooling circuit components.

Brazed Plate Heat Exchanger

Description of the heat exchanger for water-cooled models.

Room Temperature and Humidity Sensor

Description of the optional sensor accessory.

INSTALLATION PREPARATION

Delivery Checks and Packaging Disposal

Procedures for checking delivery and disposing of packaging.

Installation Area Requirements

Guidelines for suitable installation site characteristics.

Unit Positioning Guidelines

Recommendations for correctly positioning the unit.

UNIT INSTALLATION AND ACCESS

Mounting Frame Installation

Steps for installing the unit on a mounting frame.

Floor Installation Procedures

Methods for installing units on raised or non-raised floors.

Front Panel Access

How to open and remove the front panel for access.

UNIT INTERNAL ACCESS AND CONNECTIONS

Internal Protection Panels

Description of protective covers for fan and heater compartments.

Electrical Connection Procedures

Safety and procedural guidelines for electrical connections.

ELECTRICAL AND DRAINAGE CONNECTIONS

Power Supply Cable Configurations

Wiring diagrams for power supply cables.

Digital Inputs and Remote Signalling

Configuration of digital inputs and remote signalling terminals.

Water Drain and Humidifier Connections

How to connect drainage and humidifier to building drains.

REFRIGERANT CONNECTIONS (AIR COOLED)

Installation Guide and Warnings

Guidelines and warnings for installing refrigerant pipes.

Recommended Pipe Sizes

Table of recommended pipe diameters for different models.

REFRIGERANT CIRCUIT INSTALLATION

Refrigerant Pipework Installation

Procedures for connecting refrigerant pipes and solenoid valve.

Remote Condenser Specifications

Recommended minimum sizes for remote air-cooled condensers.

REFRIGERANT AND WATER CIRCUIT MANAGEMENT

Refrigerant Circuit Evacuation and Charging

Procedures for evacuating and charging refrigerant.

Water Cooled Unit Connections

Guidelines for connecting water-cooled units and ethylene glycol.

Recommended Lubricants

Types of oil recommended for compressors.

UNIT OPERATION AND ADJUSTMENT

Manual Start-up and Shut-down

Step-by-step guide for starting and stopping the unit.

Fan Power Supply Setting

How to select fan power supply voltage via the user terminal.

FAN SPEED SETTINGS

Fan Power Supply Adjustment

Adjusting fan voltage percentage via the user terminal.

Centrifugal Fan Speed Regulation

Nominal fan speed settings for units with centrifugal fans.

FAN PERFORMANCE DATA

Centrifugal Fan Pressure Curves

Tables showing pressure vs. fan speed for centrifugal fans.

EC Fan Speed Regulation

Nominal fan speed settings for units with EC radial fans.

RADIAL FAN PRESSURE DATA

EC Radial Fan Pressure Curves

Tables showing pressure vs. fan speed for EC radial fans.

REGULATION AND SAFETY SETTINGS

Safety Device Settings

Settings for high pressure, safety thermostats.

Air Flow Sensor Adjustment

How to set the FS differential pressure switch for air flow.

Dirty Filter Sensor Adjustment

How to set the PFS differential pressure switch for filters.

MAINTENANCE SCHEDULE

Three-monthly Checks

Routine checks to be performed every three months.

Six-monthly Checks

Routine checks to be performed every six months.

Annual Checks

Routine checks to be performed annually.

Filter Cleaning and Replacement

Procedures for cleaning or replacing air filters.

TROUBLESHOOTING

Unit Start-up Failures

Diagnosing and resolving issues when the unit does not start.

Room Temperature Too High

Troubleshooting high room temperature issues.

Room Temperature Too Low

Troubleshooting low room temperature issues.

TROUBLESHOOTING - UNIT SYSTEMS

Humidity Control Problems

Diagnosing and resolving humidity control issues.

Air Flow and Fan Problems

Troubleshooting absent or low air flow issues.

Electric Heater Safety Interventions

Diagnosing electric heater safety thermostat trips.

TROUBLESHOOTING - REFRIGERANT CIRCUIT

High Compressor Discharge Pressure

Troubleshooting high discharge pressure issues.

High Pressure Switch Activation

Diagnosing issues related to the high-pressure switch.

Low Compressor Discharge Pressure

Troubleshooting low discharge pressure issues.

High Compressor Suction Pressure

Troubleshooting high suction pressure issues.

TROUBLESHOOTING - COMPRESSORS

Low Compressor Suction Pressure

Troubleshooting low suction pressure and coil freezing.

Compressor Not Working

Diagnosing why the compressor is not operating.

Compressor Internal Protection

Troubleshooting compressor internal protection interventions.

Noisy Compressor Issues

Diagnosing and resolving compressor noise problems.

TECHNICAL CHARACTERISTICS - CHILLED WATER UNITS

Centrifugal Fans

Technical data for chilled water units with centrifugal fans.

TECHNICAL CHARACTERISTICS - CHILLED WATER RADIAL FANS

Radial Fans with EC Technology

Technical data for chilled water units with EC radial fans.

OPERATING DESCRIPTION - CHILLED WATER UNITS

CW Unit Operation Overview

How CW units use chilled water for room condition control.

PRINCIPAL COMPONENTS - CHILLED WATER UNITS

Model SUC* Component Identification

Visual identification of components for SUC* models.

Model SDC* Component Identification

Visual identification of components for SDC* models.

Component Descriptions

Detailed breakdown of user terminal and electrical panel.

COMPONENT DESCRIPTIONS - CHILLED WATER UNITS

Electric Panel Components

Identification of components within the electric panel.

Air Filter, Fans, and Water Valve

Description of air filter, fans, and chilled water valve.

INSTALLATION GUIDELINES

Delivery Checks and Packaging Disposal

Procedures for checking unit delivery and disposing of packaging.

Installation Area Requirements

Guidelines for suitable installation site characteristics.

Unit Positioning Guidelines

Recommendations for correctly positioning the unit.

INSTALLATION METHODS AND ACCESSORIES

Mounting Frame and Floor Installation

Steps for installing units on frames or floors.

Optional Discharge Temperature Sensor

Instructions for installing the optional STM probe.

INTERNAL ACCESS AND ELECTRICAL WIRING

Internal Protection Panel Access

Description of protective covers and access to internal panels.

Electrical Connection Procedures

Safety and procedural guidelines for electrical connections.

ELECTRICAL AND DRAINAGE INTERFACES

Power Supply Cable Diagrams

Wiring diagrams for power supply cables.

Digital Inputs and Remote Signalling

Configuration of digital inputs and remote signalling terminals.

Water Drain and Humidifier Connections

How to connect drainage and humidifier to building drains.

HYDRAULIC CIRCUIT MANAGEMENT

Hydraulic Circuit Filling Procedures

Steps for filling the hydraulic, primary, and conditioner circuits.

General Hydraulic Connection Guidelines

Recommendations for flexible hoses, joints, and valves.

UNIT OPERATION AND FAN SPEED ADJUSTMENT

Manual Start-up and Shut-down

Step-by-step guide for starting and stopping the unit.

Fan Power Supply Adjustment

How to select fan power supply voltage via the user terminal.

FAN SPEED REGULATION - CENTRIFUGAL FANS

Centrifugal Fan Speed Settings

Nominal fan speed settings for centrifugal fans.

Centrifugal Fan Pressure Data

Tables showing pressure vs. fan speed for centrifugal fans.

FAN SPEED REGULATION - RADIAL FANS

EC Radial Fan Speed Settings

Nominal fan speed settings for EC radial fans.

EC Radial Fan Pressure Data

Tables showing pressure vs. fan speed for EC radial fans.

SAFETY AND REGULATION SETPOINTS

Safety Thermostat Settings

Settings for TSR and TSRA safety thermostats.

SENSOR SETTINGS AND MAINTENANCE

Air Flow Sensor Adjustment

Setting the FS differential pressure switch for air flow.

Dirty Filter Sensor Adjustment

Setting the PFS differential pressure switch for filters.

Maintenance Checks Overview

Summary of three-monthly, six-monthly, and annual maintenance checks.

FILTER REPLACEMENT AND VALVE CONTROL

Filter Cleaning and Replacement

Procedures for cleaning or replacing air filters.

Chilled Water Valve Operation

How to manually operate the servomotor and water valve.

TROUBLESHOOTING - GENERAL AND TEMPERATURE

Unit Start-up Failures

Diagnosing and resolving issues when the unit does not start.

Room Temperature Control Issues

Troubleshooting high/low room temperature and valve issues.

TROUBLESHOOTING - HUMIDITY AND FAN ISSUES

Humidity Control Problems

Diagnosing and resolving humidity control issues.

Air Flow and Fan Problems

Troubleshooting absent or low air flow issues.

ACCESSORY - HUMIDIFIER

Humidifier Component Identification

Visual identification of humidifier components.

Humidifier Electrical Diagram

Schematic of humidifier electrical connections and components.

HUMIDIFIER OPERATION AND FEED WATER

Humidifier Operating Principle

How the electrode boiler humidifier generates heat.

Feed Water Quality Requirements

Specifies quality requirements for humidifier feed water.

Humidifier Water Connections

Connection diagram for humidifier to water drain and feed tubes.

HUMIDIFIER MAINTENANCE

Boiler Cylinder Maintenance

Procedures for cleaning the steam boiler cylinder and electrodes.

Feed and Drain Connection Checks

Periodic inspection of humidifier feed and drain connections.

ELECTRIC HEATERS

Electric Heater Description and Functions

Overview of electric heaters, their levels, and functions.

HEATER REPLACEMENT AND SENSOR INSTALLATION

Electrical Heater Replacement

Safety and procedure for replacing electrical heaters.

Temperature and Humidity Sensor

How to replace the optional temperature and humidity sensor.

FRESH AIR INTAKE CONNECTION

Fresh Air Intake Module

Description of the optional module for fresh air intake.

Filter Replacement Procedure

Steps for replacing the fresh air intake filter cartridge.

DISCHARGE TEMPERATURE SENSOR (CHILLED WATER)

STM Sensor Description and Installation

Details on the optional STM sensor and its installation.

Uniflair Amico Specifications

General IconGeneral
BrandUniflair
ModelAmico
CategoryAir Conditioner
LanguageEnglish

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