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CIAT AQUACIAT 2 LD Series User Manual

CIAT AQUACIAT 2 LD Series
132 pages
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03 - 2008
N 05.30 F
aquaciat 2

Table of Contents

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CIAT AQUACIAT 2 LD Series Specifications

General IconGeneral
BrandCIAT
ModelAQUACIAT 2 LD Series
CategoryChiller
LanguageEnglish

Summary

Introduction

Unit Reception and Inspection

Verifies unit model and checks for damage upon delivery, reporting any issues promptly.

Warranty Information

Outlines the guarantee period based on the date of first use and invoice date.

Key Safety Precautions

Highlights essential safety measures for installation and operation personnel.

Handling and Positioning Guidelines

Unit Positioning Requirements

Vibration Isolator Installation

Ground Fixing Specifications

Evaporator Temperature Limits

Operating Range Charts

Antifreeze Protection with Glycol

Hydraulic Connection Procedures

Water Connection Diameters

Electrical Connection Requirements

Refrigerant Circuit Components

Safety Regulation and Equipment

Electronic Regulation Module

Microprocessor-based module controls operations, diagnostics, and compressor management.

Core Unit Functions

Details temperature regulation, fault diagnosis, and operational parameter control.

Handling of Safety Devices

Low Pressure Monitoring

LP sensor monitors pressure, preventing operation below a set threshold.

High Pressure Monitoring

HP pressostats and sensors monitor high pressure for safety and regulation.

Evaporator Antifreeze Protection

Sensors protect the evaporator from freezing by controlling compressor operation.

LP and Water Outlet Sensors

Monitor sensors to prevent exchanger damage by detecting divergent values.

Water Circulation Controller

Monitors water flow, cutting compressor power if insufficient.

Internal Compressor Protection

Protects compressors against overheating and excessive outlet temperatures.

Outlet Temperature Sensor

Monitors outlet temperature, cutting compressor power if it exceeds limits.

Fire Overpressure Protection

Units include a mechanism to protect against overpressure due to fire.

Optional Phase Controller Kit

Kit monitors phase rotation, absence, and voltage variations for safety.

Safety Thermistor Location Diagrams

Adjustment of Regulation and Safety Equipment

Commissioning Procedures

Pre-Commissioning Checks

Essential checks before initial machine startup and installation.

Unit Start-Up Process

Essential Pre-Start Checks

Key checks for correct compressor rotation, temperature, and current.

Water Flow Adjustment

Adjusting valve to achieve desired nominal flow based on pressure loss.

Refrigerant Load Verification

Verifies correct refrigerant charge by checking sight glass and sub-cooling.

Operating Mode Inversion

Steps to optimize operation when the unit's mode is inverted.

Cooling Only - Technical Specifications

Reversible Unit - Heat Pump Specs

Electrical Specifications Summary

Hydraulic Pump Specifications

Operation Statement Log

Maintenance Procedures

Operational Safety Instructions

Guidelines for safe operations, including electrical safety and handling hot/cold surfaces.

Noise Considerations

Advises using ear protection in high noise environments.

Lubricating Oil Handling

Precautions for handling lubricating oils used in the machines.

Refrigerant General Information

Inspection Schedules and Procedures

Monthly Inspections

Checks to be performed monthly as per operation statement.

Annual Inspections

Comprehensive checks including oil contamination test and dryer filter.

Analysis of Operating Anomalies

Customer Connection for Remote Control

General Fault Alarm Connection

Connecting the unit's general fault signal to the terminal block.

Full Capacity Operation Signal

Connecting a signal for full capacity unit operation to CPU card terminals.

Automaticity Control Wiring

Connects unit's terminal block contacts for unit operation authorization.

Heating/Cooling Selection Control

Controls cooling or heating mode via a contact on the CPU card.

Water Pump Power Supply

Connects pump power supply between main board terminals.

Load Shedding Function Control

Connects contacts to CPU card for load shedding based on compressor count.

Setpoint Selection Control

Selects setpoint 1 or 2 via a contact on the CPU card.

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