EasyManua.ls Logo

AERMEC NLC 0280 User Manual

AERMEC NLC 0280
60 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
22.05 – 4037360_01
Translation of Original instructions
www.aermec.com
Installation Manual
NLC 0280-1250
AIRWATER CHILLER
Cooling capacity 14.5 ÷ 87.2 ton

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the AERMEC NLC 0280 and is the answer not in the manual?

AERMEC NLC 0280 Specifications

General IconGeneral
BrandAERMEC
ModelNLC 0280
CategoryChiller
LanguageEnglish

Summary

General Warnings

Introduction to Warnings

Overview of hazards and warning symbols used in the manual.

General Safety Recommendations

Key safety advice for handling and operating the unit.

Installation Requirements

Guidelines for proper unit installation and compliance.

Essential Safety Rules

Fundamental safety regulations for personnel.

Hydraulic Circuit Precautions

Safety measures for the unit's water circuit.

Electrical Circuit Precautions

Safety measures for the unit's electrical connections.

Cooling Circuit Precautions

Safety measures for the refrigerant cooling circuit.

General Precautions and Preventions

General safety advice and preventative measures.

Safety Warning Labels

Identification of safety labels and their meanings.

Heat Exchanger Selection Criteria by Installation Location

Sea Coast Environments

Selection advice for units installed in marine or coastal areas.

Industrial Environments

Selection advice for units in industrial settings with emissions.

Seaside and Industrial Environments

Selection advice for combined corrosive environments.

Urban Environments

Selection advice for units in densely populated areas.

Rural Environments

Selection advice for units in rural areas with potential pollution.

Additional Selection Tips

Factors influencing heat exchanger selection beyond environment type.

General Description

Unit Overview and Safety

Description of reversible heat pumps and general safety.

Installation Requirements Overview

Key requirements for unit installation and system design.

Operating Limits

460V/575V Power Supply Operating Range

Charts showing unit operation limits based on air temperature.

Max High Static Pressure (400 Pa) Operating Range

Charts showing unit operation limits at high static pressure.

230V Power Supply Operating Range

Charts showing unit operation limits based on air temperature.

208V Power Supply Operating Range

Charts showing unit operation limits based on air temperature.

Refrigerant Circuit Diagrams

NLC 0280-0675 A Circuit

Schematic diagram of the refrigerant circuit for specific models.

NLC 0750-1250 A Circuit

Schematic diagram of the refrigerant circuit for specific models.

Installation Procedures

Receiving and Inspecting the Product

Steps for checking unit upon arrival and identifying it.

Packaging Handling and Removal

Guidelines for safely removing packaging and handling the unit.

Lifting with Hoist or Crane

Procedures for lifting the unit using hoists or cranes.

Handling with Forklift

Procedures for moving the unit using a forklift.

Storage Recommendations

Guidelines for storing the unit before installation.

Place of Installation Requirements

Criteria for selecting an appropriate installation location.

Unit Positioning Guidelines

Advice on properly positioning the unit for operation and maintenance.

Minimum Technical Spaces

Technical Space Requirements

Minimum clearances needed around the unit for safety and maintenance.

NLC Unit Operation

Fan Speed Adjustment

How to set the fan speed for optimal air flow and pressure.

Vibration Damper Positioning

NLC 0280-0350 A Positions

Diagrams showing vibration damper placement for specific models.

NLC 0550-0675 A Positions

Diagrams showing vibration damper placement for specific models.

NLC 0750 A Positions

Diagrams showing vibration damper placement for specific models.

NLC 0800-1250 A Positions

Diagrams showing vibration damper placement for specific models.

Weight Distribution and Centers of Gravity

Empty Unit Data

Weight distribution and center of gravity when the unit is empty.

Operational Unit Data

Weight distribution and center of gravity during operation.

Antivibration Supports

VT Supports Compatibility

Compatibility of VT antivibration supports with unit configurations.

AVX Supports Compatibility

Compatibility of AVX antivibration supports with unit configurations.

Weights

Weights by Integrated Hydronic Kit Configuration

Empty and functioning weights for different hydronic kit options.

Dimensional Tables

Models 0280-0350 Dimensions

Physical dimensions for unit models 0280 through 0350.

Models 0550-0675 Dimensions

Physical dimensions for unit models 0550 through 0675.

Model 0750 Dimensions

Physical dimensions for unit model 0750.

Models 0800-1250 Dimensions

Physical dimensions for unit models 0800 through 1250.

Hydraulic Connection Diagrams

Models 0280-0350 Diagrams

Connection diagrams for unit models 0280-0350.

Models 0550-0675 Diagrams

Connection diagrams for unit models 0550-0675.

Models 0750-1250 Diagrams

Connection diagrams for unit models 0750-1250.

Hydraulic Connections - Details

General Connections and Recommendations

Advice on connecting hydraulic circuits and pipe support.

Water Characteristics and Treatment

Recommended water quality and treatment for heat exchangers.

Discharging System

Procedures for draining the system to prevent freezing.

Anti-Freeze Protection

Methods for protecting the system from freezing, including glycol use.

System Water Content

Minimum System Water Content

Required minimum water volume for stable unit operation.

Maximum System Water Content

Maximum water volume based on unit configuration and expansion vessel.

Expansion Vessel Setting

Setting Procedure and Calibration

How to adjust expansion vessel pre-charge pressure based on installation height.

Main Hydraulic Circuit Diagrams

NLC 0280-1250 (00) Diagram

Schematic for NLC 0280-1250 (00) main hydraulic circuit.

NLC 0280-1250 (P1-P2-P3-P4) Diagram

Schematic for NLC 0280-1250 (P1-P2-P3-P4) main hydraulic circuit.

NLC 0280-1250 (01-02-03-04) Diagram

Schematic for NLC 0280-1250 (01-02-03-04) main hydraulic circuit.

Water Characteristics for Circuits

Recommended water quality for hydraulic circuits.

Electrical Wiring and Data

General Electric Data

Electrical specifications like peak current and amperage for different power supplies.

Single Hydronic Kits Electric Data

Electrical data specific to single hydronic kit configurations.

Electric Power Connection

Connection Procedure and Safety

Steps for safely connecting the unit to the electrical mains.

Commissioning and Warnings

Start-up Procedures

Steps to perform before powering on the unit.

Pre-Voltage Operations

Checks to conduct with no voltage applied to the unit.

Operations with Machine On

Safety precautions when performing checks with the unit running.

Hydraulic Circuit Controls Checks

Verifying proper operation of hydraulic circuit components.

Commissioning Steps

Final steps to commission the unit after all checks are complete.

Maintenance

Precautions and Preventive Measures

General safety rules and preventative steps for maintenance.

Chemical, Fire, Environmental Risk Prevention

Safety measures related to chemical hazards, fire, and environmental impact.

Pressure/Temperature Risk Prevention

Safety measures for risks associated with high/low pressure and temperature.

Residual Electrical Risks Prevention

Safety measures to prevent electrical hazards during maintenance.

Routine and Extraordinary Maintenance

Procedures for regular and non-routine maintenance tasks.

Decommissioning and Disposal

Guidelines for safely removing and disposing of unit components.

Recommended Periodic Interventions

General Interventions

List of general maintenance tasks and their recommended frequency.

Cooling Circuit Interventions

Maintenance tasks for the cooling circuit, including compressor and fan controls.

Hydraulic Circuit Interventions

Maintenance tasks for the hydraulic system, including pump and water filter.

Configurator

Unit Configuration Options

Overview of fields and options for configuring the unit's features.

Accessories

Communication and Control Accessories

Compatibility of communication and control accessories.

Antivibration Supports Compatibility

Compatibility of antivibration supports with unit models.

Flange for Ducts Compatibility

Compatibility of duct flanges with unit models.

Factory Fitted Accessories

Factory-installed accessories and their compatibility.

Water Filter (FILTROW) Compatibility

Compatibility of water filters with unit models.

Peak Current Reduction Device (DRE) Compatibility

Compatibility of peak current reduction devices.

Power Factor Correction (RIF) Compatibility

Compatibility of power factor correction devices.

Anti-Condensate Heater (KRQ) Compatibility

Compatibility of anti-condensate electric heaters.

Related product manuals