Airwell Itelco-Clima CLH 502 STD User Manual

English
Air cooled water chillers, air cooled condensing units and air-to-water
reverse cycle heat pumps
Installation and maintenance manual
IOM CLSCH-N.1GB
Date : November 2005
Supersedes : None
CLS/CLC/CLH
182 ÷ 602
41

140 kW
46

152 kW
Библиотека СОК 

Airwell Itelco-Clima CLH 502 STD Specifications

General

Brand	Airwell
Model	Itelco-Clima CLH 502 STD
Category	Chiller
Language	English

Summary

Foreword

Introduction

Describes the Itelco-Clima units' purpose, performance, and design standards.

Warranty

Outlines warranty conditions, voiding clauses, and required adherence to manual.

Emergency Stop/Normal Stop

Explains how to use the master switch for emergency stop and push-buttons for normal stop.

Manual Introduction

Details manual conventions (Danger, Warning, Note, Useful Tips) and copyright.

Safety

Safety Foreword and Definitions

Lists directives and regulations for safe operation and defines key roles.

Unit Access and General Precautions

Specifies unit access requirements and general safety precautions for operators and installers.

Residual Risk Precautions

Details safety measures for control systems, mechanical, and electrical risks.

Maintenance Safety Precautions

Lists essential safety steps before and during maintenance operations.

Safety Plates

Shows and explains the various safety labels affixed to the unit.

Refrigerant Safety Regulations

Details safety data and regulations for refrigerants R407C and R134a.

Refrigerant Handling and Fire Safety

Covers general precautions, respiratory, storage, release, disposal, and fire safety.

Refrigerant Oil Safety Data

Safety data and precautions for polyolester (POE) oil.

Transport, Lifting and Positioning

Inspection and Lifting

Instructions for inspecting the unit upon delivery and safely lifting it.

Anchoring and Storage

Guidelines for anchoring the unit and storing it before installation.

Installation

Unit Positioning and Shock Absorber Installation

Guidelines for selecting an installation location and installing shock absorbers.

External Hydraulic Circuit

Requirements for the external hydraulic circuit, including pump and bypass.

Hydraulic Connections and Waste Water Draining

Information on hydraulic fittings and defrost water drainage for heat pumps.

Power Supply and Electrical Connections

Safety warnings for power supply and details on electrical connections.

Terminal Box Configurations

Explains terminal box connections for different unit types.

Start-up

Preliminary Checks

Lists checks to be performed before starting the unit.

Start-up Sequence

Details the step-by-step sequence for starting up the unit.

Operation Checks

Procedures for checking unit operation parameters after startup.

Customer Delivery

Instruction to train the user according to Section 6.

Control

General Information and System Overview

Overview of the unit's electronic control system and its functions.

Temperature Regulation and Antifreeze

Explains temperature regulation and antifreeze functions.

Defrosting and Display

Details the automatic defrosting system and explains the unit's display.

Unit Start-up Procedures

Step-by-step guide to starting the unit in different models.

Switching Working Temperature

Instructions on how to change the unit's operating mode (cooling/heating).

Main Alarms Overview

Lists common alarms, their causes, and reset procedures.

Main Alarms Details

Detailed descriptions of specific alarms and their reset methods.

General Description

Unit Introduction and Specifications

Introduces the units and covers general construction and features.

Compressors and Refrigeration Circuits

Describes the hermetic scroll compressors and refrigeration circuit components.

Heat Exchangers and Fans

Details the water heat exchangers, air heat exchangers, and fans.

Control System and Accessories

Describes the control system and lists available accessories.

Technical Data

Evaporator Pressure Drops

Tables showing pressure drops for various unit models and flow rates.

Unit Specifications (CLS/CLC/CLH Series)

Detailed specifications for CLS, CLC, and CLH series units.

Unit Electrical Data (CLS/CLC/CLH)

Electrical data for CLS, CLC, and CLH units.

Compressor, Pump, and Fan Data

Electrical data for CLS/CLC compressors, pumps, and fans.

CLH Component Data

Electrical data for CLH compressors, pumps, and fans.

CLH with Additional Resistances

Electrical data for CLH units with additional resistances.

Shock Absorber and Support Data

Data for shock absorber positions and weight distribution on supports.

Overall Dimensions and Service Spaces

Diagrams and tables for overall dimensions and required service spaces.

Maintenance

General Maintenance Requirements

General requirements for unit maintenance and the role of authorized service centers.

Planned Maintenance Schedule

Outlines a planned maintenance schedule with daily, weekly, and monthly checks.

Refrigerant Charge and Compressor Maintenance

Procedures and warnings for refrigerant charging and compressor maintenance.

Condenser, Fan, and Filter Maintenance

Instructions for cleaning and maintaining condensers, fans, and filters.

Sight Glass, Expansion Valve, and Evaporator Maintenance

Guidance on checking sight glass, expansion valve, and evaporator.

Troubleshooting

Anomaly Resolution Table

Table listing common unit anomalies, their causes, and corrective operations.

Additional Anomaly Resolution

Lists further common unit anomalies, their causes, and corrective operations.

Spare Parts

Spare Part List

Lists recommended spare parts for the first two years of operation.

Compressor Oil and Wiring Diagrams

Specifies compressor oil type and information on wiring diagrams.

Dismantling, Demolition and Scrapping

Generalities and Safety Procedures

General procedures and safety precautions for dismantling the unit.

Disposal and Handling Precautions

Precautions for disposal of residues and safe handling of components.