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NLC 0750
Installation manual
AERMEC NLC 0750 Installation Manual
Air-water chiller
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Contents
Table of Contents
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Table of Contents
Table of Contents
General Warnings
Introduction
Essential Safety Rules
Precautions Concerning the Hydraulic Circuit
Precautions Concerning the Electrical Circuit
Precautions Concerning the Cooling Circuit
Preventions
Warnings
Selection Criteria of the Heat Exchangers According to the Place of Installation of the Unit
Sea Coast Environments
Industrial Environments
MIX of Seaside and Industrial Environments
Urban Environments
Rural Environments
Additional Tips
General Description
General Safety Recommendation
Installation Requirements
Operating Limits
Power Supply 460V / 575V
Power Supply 230V
Power Supply 208V
Refrigerant Circuit
Nlc 0280-0675 a
Nlc 0750-1250 a
Installation
Receiving the Product
Packaging Handling and Removal
Lifting with a Hoist or Crane
Handling with a Forklift
Storage
Place of Installation
Positioning
Minimum Technical Spaces
NLC Unit Operation
Position of the Vibration Dampers
Weight Distribution and Centres of Gravity
Weight Distribution and Centres of Gravity When Empty
Weight Distribution and Centres of Gravity During Operation
Antivibration
Weights
Dimensional Tables
0280-0300-0330-0350 - P1-P2-P3-P4
0550-0600-0650-0675 - P1-P2-P3-P4
Components Supplied for Sizes 0550-0600-0650-0675 (00 / P1-P2-P3-P4 / 01-02-03-04)
Hydraulic Connections
Connections
Water Characteristics
Discharging System
Anti-Freeze Protection
System Water Content
Minimum System Water Content
Maximum System Water Content
Expansion Vessel Setting
Main Hydraulic Circuits
Nlc 0280-1250 (00)
Nlc 0280-1250 (P1-P2-P3-P4)
Nlc 0280-1250 (01-02-03-04)
Electrical Wiring
Electric Data
Single Hydronic Kits' Electric Data
Electric Power Connection to te Electrical Mains
Commisioning - Warnings
Start-Up
Maintenance
Precautions and Preventive Measures to Observe During Maintenance
Routine and Extraordinary Maintenance
Decommissioning and Disposing of the Machine Components
List of the Recommended Periodic Interventions
General Interventions
Interventions on the Circuit
Configurator
Accessories
Factory Fitted Accessories
Accessories Compatibility
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T r a n s l a t i o n o f O r i g i n a l i n s t r u c t i o n s
NLC 0280-1250
Installation Manual
AIR-WATER CHILLER
C o o l i n g c a p a c i t y 1 4 . 5 ÷ 8 7 . 2 t o n
w w w . a e r m e c . c o m
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Summarization of Contents
1 General Warnings
General Safety Recommendations and Precautions
Key safety precautions for safe operation and maintenance, including general warnings.
Circuit Precautions (Hydraulic, Electrical, Cooling)
Safety measures specific to hydraulic, electrical, and refrigerant circuits.
2 Selection Criteria of the Heat Exchangers
Environmental Considerations and Selection Tips
Guidelines for selecting heat exchangers based on installation environment.
3 General Description
General Safety and Installation Requirements
Important safety advice for refrigerant systems and installation requirements.
4 Operating Limits
Operating Ranges by Power Supply
Operating range charts for different power supply configurations.
5 Refrigerant Circuit
Circuit Diagrams by Model
Refrigerant circuit diagrams for NLC 0280-0675 A and NLC 0750-1250 A.
6 Installation
Receiving, Handling, Lifting, and Positioning Procedures
Procedures for receiving, handling, lifting, and positioning the unit safely.
7 Minimum Technical Spaces
Required Clearances Around the Unit
Table detailing minimum technical spaces and clearances around the unit.
8 NLC Unit Operation
Fan Operation and Ductwork Considerations
Information on fan speed control, ductwork connection, and operation.
9 Position of the Vibration Dampers
Vibration Damper Layouts by Model
Diagrams showing vibration damper positions for different NLC models.
10 Weight Distribution and Centres of Gravity
Weight Distribution Tables (Empty and Operation)
Tables showing weight distribution for empty and operating units.
11 Weights
Integrated Hydronic Kit Weights
Weight data for various Integrated Hydronic Kit configurations.
12 Dimensional Tables
Unit Dimensions by Model Range
Dimensional data presented for different model ranges.
13 Hydraulic Connections
Hydraulic Diagrams and Components
Diagrams of hydraulic connections and supplied components.
14 Hydraulic Connections
Connections, Water Characteristics, and Protection
Guidelines for connections, water quality, discharge, and antifreeze.
15 System Water Content
Water Content Guidelines and Expansion Vessel
Guidelines for minimum/maximum water content and expansion vessel setting.
16 Main Hydraulic Circuits
Hydraulic Circuit Diagrams by Model
Main hydraulic circuit diagrams for various NLC models.
17 Electrical Wiring
Electrical Data and Power Connection
Electrical specifications, data tables, and power connection instructions.
19 Commissioning
Start-Up, Checks, and Operations
Procedures for unit start-up, pre-power checks, and operations with machine on.
20 Maintenance
Maintenance Precautions, Risks, and Procedures
Safety precautions, risk management, and procedures for maintenance.
21 Recommended Periodic Interventions
Periodic Maintenance Schedule
Recommended periodic maintenance tasks for general and circuit operations.
22 Configurator
Configuration Options Overview
Overview of fields, sizes, models, and options for unit configuration.
23 Accessories
Accessory Descriptions and Compatibility
Descriptions and compatibility of various accessories and their options.
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