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CLIMAVENETA i-ACCURATE Series i-AX User Manual

CLIMAVENETA i-ACCURATE Series i-AX
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INSTALLATION MANUAL - USER AND MAINTENANCE
Precision air-conditioners
i-ACCURATE
i-AX Direct Expansion
Air Cooled
i-AW Direct Expansion
Water Cooled
i-AD Dual Fluid
Air Cooled
i-AT Dual Fluid
Water Cooled
i-AF Free Cooling
Water Cooled
frame 2: 12-18
frame 3: 20-29
frame 4: 50
frame 5: 70
frame 6: 90
frame 7: 130-150
50/60Hz range
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CLIMAVENETA i-ACCURATE Series i-AX Specifications

General IconGeneral
BrandCLIMAVENETA
Modeli-ACCURATE Series i-AX
CategoryAir Conditioner
LanguageEnglish

Summary

Installation Manual Overview

Precision Air-Conditioners i-ACCURATE

Overview of the i-ACCURATE series of precision air-conditioners.

Direct Expansion Unit Configuration

Models

Lists the available models for direct expansion units.

Air Flow Options

Specifies air flow options for different models.

Capacity Options

Details capacity options for the units.

Version Types

Outlines the version types available for the units.

General Unit Characteristics

Unit Description

Provides a general description of the ductable precision air-conditioners.

Unit Structure and Materials

Describes the construction and materials of the unit's frame and casing.

Compressor Types and Features

Compressor Details

Details the types of compressors used, including their features.

Reheating Systems

Immersed Electrode Humidifier Operation

Explains the function and operation of the immersed electrode humidifier.

Microprocessor Control System

Direct Expansion Model Control

Describes the microprocessor control system for direct expansion models.

Air Flow Configuration Versions

Explains the different versions: BASIC, MOD, MOD.A, MOD.B, LT.

Freecooling Units

i-AF Unit Water-cooled Condenser

Details the water-cooled condenser for the i-AF units.

Dual Fluid Units

i-AD Air-cooled Version

Explains the air-cooled version of the Dual Fluid unit.

Air Flows

OVER Unit Air Flow Configurations

Explains the different configurations for OVER units based on air intake/outlet.

Rating Plate Information

Technical Data Tables (i-AX)

Presents technical data tables for the i-AX unit.

Water-cooled Unit Specifications

Plate Condenser Specifications (i-AW)

Details specifications for the plate condenser used in i-AW units.

Free Cooling Unit Specifications

Connections for i-AF Units

Lists the connection types and sizes for i-AF units.

Air-cooled Unit Capacity Data

Chilled Water Capacity Data (i-AD)

Provides technical data for chilled water capacity of i-AD units.

Water-cooled Unit Capacity Data

Chilled Water Capacity Data (i-AT)

Presents technical data for chilled water capacity of i-AT units.

Hot Water Re-heating System

Hot Water Re-heating Performance

Details performance data for the hot water re-heating system.

Hot Gas Reheating Coils Performance

Shows performance data for hot gas reheating coils.

Accessing Main Components

Front Panel Access

Explains how to access main components via front panels.

Transport and Handling

Standard Packaging Details

Describes the standard packaging of the units.

Unit Receiving and Net Weights

Lists the net weights of the different models and receiving instructions.

Unit Dimensions

OVER Models Frame 2 Dimensions

Provides dimensions for OVER units, Frame 2.

OVER Models Frame 4 Dimensions

Provides dimensions for OVER units, Frame 4.

OVER Unit Dimensions

OVER Models Frame 5 Dimensions

Provides dimensions for OVER units, Frame 5.

OVER Models Frame 6 Dimensions

Provides dimensions for OVER units, Frame 6.

UNDER Unit Dimensions

UNDER Models Frame 2 Dimensions

Provides dimensions for UNDER units, Frame 2.

UNDER Models Frame 3 Dimensions

Provides dimensions for UNDER units, Frame 3.

UNDER Unit Dimensions Continued

UNDER Models Frame 5 Dimensions

Provides dimensions for UNDER units, Frame 5.

UNDER Models Frame 6 Dimensions

Provides dimensions for UNDER units, Frame 6.

Air-Conditioner Positioning

Support Frame Accessory

Details the optional support frame for unit installation.

Operating Space Requirements

Explains the necessary space for unit access and maintenance.

Operating Limits

Environmental Operating Conditions

Specifies the environmental operating ranges for the units.

Optional Base Moulding Functionality

Details the optional base moulding for cable and pipe routing.

Air Distribution for Under Units

Intake Plenum for Under Units

Describes intake plenums for UNDER units.

Air Distribution for Over Units

Intake Plenum for Over Units

Details intake plenums for OVER units.

Motor-Driven Dampers and Outlet Plenums

Motor-Driven Damper Operation

Explains the function of the motor-driven damper accessory.

Front Outlet Plenum for Over Units

Describes the optional front outlet plenum for OVER units.

Front Outlet Moulding for Under Units

Front Outlet Moulding Details

Details the optional front outlet moulding for UNDER units.

Soundproof Plenums

Soundproof Suction or Outlet Plenum

Describes the soundproof plenum to be installed on the top of the unit.

Direct Free Cooling Plenum for Under Units

Explains the direct free cooling plenum accessory for UNDER units.

Direct Free Cooling Accessories

Direct Free Cooling Base for Over Units

Details the direct free cooling base accessory for OVER units.

Free Cooling Connection Kit Components

Lists the components included in the free cooling connection kit.

Optional Air Filters

Optional Air Filter Pressure Drop Charts

Shows pressure drop charts for optional air filters.

Optional Fresh Air Kit

Fresh Air Kit Description and Installation

Describes the optional fresh air kit and its installation.

Water Connections Diagrams

Over Connections (i-AX/i-AW) Size 12-18

Shows water connection positions and diameters for OVER units (12-18).

Water Connections Diagrams Continued

Under Connections (i-AX/i-AW/i-AD/i-AT/i-AF) Size 20-29

Details water connection positions for UNDER units (size 20-29).

Over Connections (i-AX/i-AW/i-AD/i-AT/i-AF) Size 50

Details water connection positions for OVER units (size 50).

Water Connections Diagrams Continued

Over Connections (i-AX/i-AW/i-AD/i-AT/i-AF) Size 70

Details water connection positions for OVER units (size 70).

Under Connections (i-AX/i-AW/i-AD/i-AT/i-AF) Size 70

Details water connection positions for UNDER units (size 70).

Water Connections Diagrams Continued

Under Connections (i-AX/i-AW/i-AD/i-AT/i-AF) Size 90

Details water connection positions for UNDER units (size 90).

Over Connections (i-AX/i-AW/i-AD/i-AT/i-AF) Size 130

Shows water connection positions for OVER units (size 130).

Water Connection Best Practices

Recommended Water Connection Practices

Provides recommendations for water connections to avoid vibrations and ensure ease of service.

Condenser Connection for Water-Cooled Units

Explains how to connect water-cooled units to the brazed plate condenser.

Correction Factors for Glycol Mixtures

Ethylene Glycol Correction Factors

Details correction factors for using ethylene glycol mixtures.

Pipe Pressure Drop Charts

Pressure Drops at 10°C Water Temperature

Shows pressure drop charts for stainless steel pipes at 10°C.

Pressure Drop Selection Example

Provides an example of how to select pipe sizes based on pressure drop.

Pipe Pressure Drop Charts Continued

Pressure Drops at 50°C Water Temperature

Shows pressure drop charts for stainless steel pipes at 50°C.

Pipe Pressure Drop Charts Continued

Pressure Drops at 80°C Water Temperature

Displays water flow rates for pressure drop calculations at 80°C.

Air Condenser Installation Guidelines

Suggested Air Condenser Installation

Provides important notes for installing air condensers, including oil traps and non-return valves.

Refrigerant Connections

Recommended Line Diameters (i-AX/i-AD)

Lists recommended pipe diameters for refrigerant connections.

Oil Separator Information

Oil Separator Selection Parameters

Details oil separator selection based on power cooling capacity.

Unit Volume and Refrigerant Charge

Indoor Coil Volume and Charge

Lists indoor coil volumes and refrigerant charges for various models.

Condenser Coil Volume and Charge

Lists condenser coil volumes and refrigerant charges.

Refrigerant Gas Content per Linear Meter

Provides refrigerant gas content per linear meter for different pipe diameters.

Condensate Drain Management

Condensate Drain Setup Procedure

Explains how to fill the condensate drain trap during installation.

Electrical Connections and Panel Access

Electrical Panel and Cable Inlet Access

Details how to access the electrical panel and cable entry points.

Power Cable Requirements

Minimum Power Cable Cross-Sections

Lists recommended minimum cross-sections for power cables.

Electrical Specifications Summary

Lists electrical specifications and cable cross-sections.

Component Power Consumption: Compressors

Compressor Power Consumption Data

Presents data on compressor power consumption for different models.

Component Power Consumption: Fans

Fan Power Consumption Data

Provides data on fan power consumption for different models.

Component Power Consumption: Heaters

Heater Power Consumption Data

Lists power consumption data for electric heaters.

Component Power Consumption: Humidifier

Humidifier Power Consumption Data

Details power consumption data for the humidifier.

Outdoor Unit Electrical Connections

Condensation Phase Control Setting

Explains parameter setting for condensation phase control of BRE-BDC.

Vacuum, Charge, and Commissioning

Vacuum and Refrigerant Charge Procedure

Details the procedure for vacuuming and charging the refrigerant circuit.

Unit Commissioning Procedure

Outlines the step-by-step procedure for unit commissioning.

Operation and Control

Water-Cooled Unit Operation

Discusses operation and control for water-cooled units.

Instruments and Alarms

Standard Instruments and Sensors

Lists the standard instruments and sensors fitted to the unit.

Additional Sensors Available

Lists additional sensors available on some unit versions.

Control and Safety Device Calibration

Calibration of Control and Safety Devices

Explains the calibration of control and safety devices.

Pressure Control Valve Calibration

Details the calibration procedure for the pressure control valve.

Air Flow and Filter Sensor Calibration

Air Flow Sensor Calibration Procedure

Steps to calibrate the air flow sensor's pressure switch.

Dirty Filter Sensor Calibration Procedure

Procedure for calibrating the dirty filter sensor.

Temperature and Humidity Probe

Temperature/Humidity Probe Connection

Explains the electrical connection for the temperature and humidity probe.

Servomotor and Water Valve

Servomotor Operation Details

Describes the operation of the servomotors and water valves.

Actuator Details

Actuator Function and Operation

Explains the function of the actuator based on control signals and manual override.

Actuator Maintenance and Repair

Information on actuator maintenance and repair procedures.

Actuator Operation and Calibration

Actuator Functionality

Explains the actuator's function with control signals.

Auto Calibration Procedure

Details the auto-calibration process for actuators.

Actuator Calibration and Operation

SQX62 Calibration Procedure

Step-by-step calibration procedure for the SQX62 actuator.

SQX62 Normal Operation and Indications

Describes normal operation and LED indications for the actuator.

Actuator Operating States and Valve Close-Off

SQX62 Operating State Indications

Indicates the operating status of the SQX62 actuator via LEDs.

2 Way Valve Close-Off Values

Provides close-off values for 2-way valves.

Electric Heaters and Humidifier Components

Electric Heater System Components

Details the components of the electric heating system.

Humidifier System Components List

Lists the components of the immersed electrode humidifier.

Humidifier Operating Principles

Steam Cylinder Cleaning

Explains the steam cylinder and its cleaning process.

Humidifier Fill and Drain Assembly Inspection

Details the periodic inspection of humidifier supply and drain assemblies.

Humidifier Power Supply and Water Limits

Humidifier Feed Water Limit Values

Specifies limit values for humidifier feed water conductivity.

Humidifier Drain Safety and Installation

Humidifier Drain Hose Installation Safety

Warns about the hot water exiting the steam cylinder and drain hose installation.

Condensate Drain Pumps

Standard Condensate Drain Pump (Low Water Temp.)

Describes the standard condensate drain pump for low water temperatures.

Condensate Pump Maintenance Guide

Provides maintenance guidelines for the condensate pump.

High Water Temperature Drain Pump

High Water Temp. Pump Maintenance and Testing

Highlights important maintenance and testing for the high water temperature pump.

Double Power Supply System

Automatic Switching Functionality

Explains how motorised changeover switches manage power supply switching.

General Maintenance Procedures

Air Filter Cleaning Instructions

Instructions for cleaning the air filters.

Condenser Coil Maintenance

Guidance on checking water-cooled condensers for fouling.

Troubleshooting: Unit Start-up Issues

Air Conditioner Doesn't Start Faults

Provides solutions for faults related to the air-conditioner not starting.

Troubleshooting: Temperature Issues

Room Temperature Too High Faults

Addresses issues when room temperature is too high due to controller settings.

Room Temperature Too Low Faults

Troubleshooting steps when room temperature is too low.

Troubleshooting: Humidity Issues

Ambient Humidity Too High Faults

Solutions for high ambient humidity due to incorrect controller settings.

Ambient Humidity Too Low Faults

Troubleshooting steps when ambient humidity is too low.

Troubleshooting: Air Flow Issues

Low or No Air Flow Faults

Troubleshooting steps when fans are not powered or airflow is restricted.

Troubleshooting: Safety and Pressure Issues

Heater Safety Thermostat Activated Faults

Explains why the heater safety thermostat might activate due to low airflow.

High Compressor Discharge Pressure Faults

Addresses high discharge pressure caused by air/gas in the refrigerant circuit.

Troubleshooting: Compressor Pressure Issues

Low Compressor Discharge Pressure Faults

Troubleshoots low discharge pressure due to malfunctioning control systems.

High Compressor Suction Pressure Faults

Addresses high suction pressure caused by excessive thermal load.

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