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Airwell Itelco-Clima CLS 502 LN User Manual

Airwell Itelco-Clima CLS 502 LN
83 pages
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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

Table of Contents

Questions and Answers:

Airwell Itelco-Clima CLS 502 LN Specifications

General IconGeneral
BrandAirwell
ModelItelco-Clima CLS 502 LN
CategoryChiller
LanguageEnglish

Summary

1 FOREWORD

1.1 Introduction and Manual Overview

Manual details installation, operation, and maintenance.

1.2 Warranty Conditions

Outlines warranty terms and voidance factors.

1.3 Emergency and Normal Stop Procedures

Explains how to stop the unit in normal and emergency situations.

1.4 Manual Conventions and Safety Notes

Introduces symbols and safety warnings used in the manual.

2 SAFETY

2.1 Safety Foreword and Compliance

Emphasizes compliance with directives and regulations for safe operation.

2.2 Definitions of Key Roles

Defines key personnel roles like OWNER and INSTALLER.

2.3 Unit Access Safety

Specifies safe access procedures and restrictions for the unit.

2.4 General Operational Precautions

Lists general safety measures for operators and installers.

2.5 Residual Risk Precautions

Addresses risks from control, mechanical, and electrical systems.

2.6 Maintenance Safety Procedures

Details safety procedures before and during maintenance operations.

2.7 Identification Safety Plates

Describes various safety labels affixed to the unit.

2.8 Safety Regulations: Refrigerant and Oil Data

Safety data and precautions for refrigerants and oils.

3 TRANSPORT, LIFTING AND POSITIONING

3.1 Inspection Upon Delivery

Procedure for inspecting the unit for transport damage.

3.2 Safe Lifting Procedures

Guidelines and methods for lifting the unit safely.

3.3 Unit Anchoring Guidelines

Recommendations for securing the unit to its foundation.

3.4 Storage Guidelines

Precautions for storing the unit before installation.

4 INSTALLATION

4.1 Unit Positioning Criteria

Factors to consider when selecting the unit's installation location.

4.2 Spring Shock Absorber Installation

Step-by-step guide for installing shock absorbers.

4.3 External Hydraulic Circuit Requirements

Specifications for the external hydraulic circuit.

4.4 Hydraulic Connection Details

Connecting water inlet and outlet fittings.

4.5 Defrosting Waste Water Management

Handling defrost water from heat pump units.

4.6 Power Supply Safety Precautions

Safety precautions for connecting the power supply.

4.7 Electrical Connection Guidelines

Procedures for safe electrical connections and compliance.

5 START-UP

5.1 Pre-Start Up Checks

Essential checks before initiating unit start-up.

5.2 Unit Start-Up Sequence

Detailed steps for the initial start-up of the unit.

5.3 Operation Verification Procedures

How to verify unit performance after start-up.

5.4 Customer Delivery and Training

Training the end-user on unit operation.

6 CONTROL

6.1 Control System Overview

Introduction to the unit's electronic control system.

6.2 Temperature and Antifreeze Control

Details on temperature regulation and antifreeze functions.

6.3 Display and Indicator Functions

Explains the unit display and LED indicators.

6.4 Unit Start-Up Procedures

Steps for starting the unit in cooling or heat pump modes.

6.5 Switching Operating Modes

How to change between cooling and heating modes.

6.6 Main Alarm Codes and Descriptions

Lists common alarms, their causes, and reset methods.

7 GENERAL DESCRIPTION

7.1 Unit Introduction and Applications

Describes the units, their types, and applications.

7.2 General Unit Specifications

Covers construction, materials, and general features.

7.3 Compressor Details

Information on hermetic scroll compressors used in the units.

7.4 Refrigeration Circuit Configuration

Details refrigeration circuits and safety devices.

7.5 Water Heat Exchanger Description

Describes the stainless steel plate type evaporators.

7.6 Air Heat Exchanger Description

Describes the copper pipe coils with aluminum fins.

7.7 Fan Specifications and Protection

Details on condenser fans, blades, and guards.

7.8 Electrical Power and Control System

Overview of the control compartment, display, and keyboard.

7.9 Available Unit Accessories

Lists optional accessories and their functions.

8 TECHNICAL DATA

8.1 Evaporator Pressure Drops

Tables showing pressure drop data for evaporators.

8.2 Technical Data: CLS STD Models

Technical specifications for CLS STD models.

8.2 Technical Data: CLS STD Models (Continued)

Technical data for CLS STD and with pump models.

8.2 Technical Data: CLS LN Models

Technical specifications for CLS LN models.

8.2 Technical Data: CLS LN Models (Continued)

Technical data for CLS LN and with pump models.

8.2 Technical Data: CLS ELN Models

Technical specifications for CLS ELN models.

8.2 Technical Data: CLS ELN Models (Continued)

Technical data for CLS ELN and with pump models.

8.2 Technical Data: CLS HPF Models

Technical specifications for CLS HPF models.

8.2 Technical Data: CLS HPF Models (Continued)

Technical data for CLS HPF and with pump models.

8.2 Technical Data: CLH STD Models

Technical specifications for CLH STD models.

8.2 Technical Data: CLH STD Models (Continued)

Technical data for CLH STD and with pump models.

8.2 Technical Data: CLH ELN Models

Technical specifications for CLH ELN models.

8.2 Technical Data: CLH ELN Models (Continued)

Technical data for CLH ELN and with pump models.

8.2 Technical Data: CLH HPF Models

Technical specifications for CLH HPF models.

8.2 Technical Data: CLH HPF Models (Continued)

Technical data for CLH HPF and with pump models.

8.2 Technical Data: CLH HT Models

Technical specifications for CLH HT models.

8.2 Technical Data: CLH HT Models (Continued)

Technical data for CLH HT and with pump models.

8.2 Technical Data: CLH ELN Models (182-352)

Technical specifications for CLH ELN (182-352) models.

8.2 Technical Data: CLH ELN Models (402-602)

Technical specifications for CLH ELN (402-602) models.

8.2 Technical Data: CLH HPF Models (182-352)

Technical specifications for CLH HPF (182-352) models.

8.2 Technical Data: CLH HPF Models (402-602)

Technical specifications for CLH HPF (402-602) models.

8.3 Unit Electrical Data: CLS/CLC STD Models

Electrical data for CLS/CLC STD models.

8.3 Unit Electrical Data: CLS/CLC LN-ELN Models

Electrical data for CLS/CLC LN-ELN models.

8.3 Unit Electrical Data: CLS/CLC HT-HPF Models

Electrical data for CLS/CLC HT-HPF models.

8.3 Unit Electrical Data: CLS/CLC HT-HPF Models (Continued)

Electrical data for CLS/CLC HT-HPF with pump models.

8.3 Unit Electrical Data: CLH STD Fans

Electrical data for CLH STD fans.

8.3 Unit Electrical Data: CLH STD Fans (Continued)

Electrical data for CLH STD fans.

8.3 Unit Electrical Data: CLH LN Fans

Electrical data for CLH LN/ELN fans.

8.3 Unit Electrical Data: CLH LN Fans (Continued)

Electrical data for CLH LN/ELN fans.

8.3 Unit Electrical Data: CLH HPF Fans

Electrical data for CLH HPF fans.

8.3 Unit Electrical Data: CLH HPF Fans (Continued)

Electrical data for CLH HPF fans.

8.3 Unit Electrical Data: CLH ELN Fans

Electrical data for CLH ELN fans.

8.3 Unit Electrical Data: CLH ELN Fans (Continued)

Electrical data for CLH ELN fans.

8.4 Shock Absorber Positions & Weight Distribution (Basic Units)

Shows support positions and weight for basic units.

8.4 Shock Absorber Positions & Weight Distribution (Units with 2 Pumps)

Shows support positions and weight for units with 2 pumps.

8.4 Shock Absorber Positions & Weight Distribution (Units with 2 Pumps and 1 Tank)

Shows support positions and weight for units with 2 pumps/1 tank.

8.4 Shock Absorber Positions & Weight Distribution (CLC Models)

Shows support positions and weight for CLC models.

8.4 Shock Absorber Positions & Weight Distribution (CLH Basic & 1 Pump)

Shows support positions and weight for CLH basic and 1 pump units.

8.4 Shock Absorber Positions & Weight Distribution (CLH 2 Pumps & 1 Pump/1 Tank)

Shows support positions and weight for CLH units.

8.4 Shock Absorber Positions & Weight Distribution (CLH 2 Pumps & 1 Tank)

Shows support positions and weight for CLH units.

8.5 CLS 182-302 Overall Dimensions

Dimensional drawings and tables for CLS 182-302 models.

8.5 CLS 352-602 Overall Dimensions

Dimensional drawings and tables for CLS 352-602 models.

8.5 CLH 182-242 Overall Dimensions

Dimensional drawings and tables for CLH 182-242 models.

8.5 CLH 302-602 Overall Dimensions

Dimensional drawings and tables for CLH 302-602 models.

8.6 Service Space Requirements

Recommended clearances for unit installation and servicing.

9 MAINTENANCE

9.1 General Maintenance Requirements

General principles and responsibilities for unit maintenance.

9.2 Planned Maintenance Schedule

Outlines the schedule of planned maintenance tasks.

9.3 Refrigerant Charge Procedures

Detailed steps and safety for refrigerant charging.

9.4 Compressor Maintenance

Information on compressor oil and replacement.

9.5 Condenser Cleaning and Maintenance

Guidelines for cleaning condenser coils.

9.6 Fan Maintenance and Checks

Fan inspection and rotation direction check.

9.7 Dehydrating Filter Maintenance

Procedures for checking and servicing the dehydrating filter.

9.8 Sight Glass Inspection and Humidity Check

Using the sight glass for refrigerant and humidity checks.

9.9 Thermostatic Expansion Valve Adjustment

Procedure to check and adjust valve overheating.

9.10 Evaporator Cleaning and Maintenance

Maintaining the cleanliness of the evaporator's water side.

10 TROUBLESHOOTING

Unit Continues to Work Without Cooling

Troubleshooting cooling failures and refrigerant issues.

Ice on Suction Line Diagnosis

Diagnosing and resolving ice formation on the suction line.

Excessive Noise Troubleshooting

Identifying causes and fixes for unit noise.

Low Oil Level in Compressor Issues

Addressing low oil level and related issues.

Compressor Operation Failures

Troubleshooting issues when one or both compressors fail to operate.

Alarm Activation and Unit Stops Troubleshooting

Diagnosing and resolving LP/HP alarm triggers and unit shutdowns.

Liquid Line Temperature Anomalies

Troubleshooting hot or frosted liquid lines.

11 SPARE PARTS

11.1 Recommended Spare Parts List

List of spare parts recommended for the first two years.

11.2 Compressor Oil Information

Details on the polyester oil used in compressors.

11.3 Wiring Diagram Location

Information on where wiring diagrams are located.

12 DISMANTLING, DEMOLITION AND SCRAPPING

12.1 General Dismantling Procedures

General steps for dismantling and disposing of the unit.

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