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MTA NGSi 07 User Manual

MTA NGSi 07
58 pages
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Chillers and inverter air/water heat pumps
with axial fans
TECHNICAL MANUAL
NGSi 05÷15
38178800879
Original in
structions in Italian language

Table of Contents

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MTA NGSi 07 Specifications

General IconGeneral
BrandMTA
ModelNGSi 07
CategoryHeat Pump
LanguageEnglish

Summary

General Safety Regulations

Occupational Health and Safety

Key safety regulations and employer obligations to ensure worker safety during equipment operation.

Personal Protective Equipment

Mandatory personal protective equipment (PPE) requirements for safe operation and maintenance.

Safety Signs

Description of unit safety signs and their meanings for personnel compliance.

Refrigerants Safety Datasheet

Safety information, first aid, and handling procedures for refrigerants used in the unit.

Technical Features

Control System

Explanation of the microprocessor-based control system, its functions, and integration capabilities.

Monitoring and Protection Devices

List of standard monitoring and protection devices included in the unit.

Installation

General

General installation guidelines, emphasizing compliance with instructions and safety precautions.

Lifting and Handling

Instructions for safe lifting and handling of the unit to protect internal components.

Positioning and Spaces Required for Technical Purposes

Guidelines for unit placement, required clearances, and vibration damping.

Water Connections

Requirements for water connections, pipeline materials, insulation, and component installation.

Water System Diagram

Schematic diagram illustrating the water system components and connections.

5-9 kW Chiller Diagram

Refrigerant circuit diagram for 5-9 kW chiller models.

Electrical Connections

Guidelines for electrical connections, voltage checks, and compliance with regulations.

Connection Terminal Board

Detailed explanation of terminal board connections for power supply and control signals.

Start-Up

User - Control Interface

Length Shut-Downs

Routine Checks and Maintenance

Taking the Unit Out of Service

Technical Data

Electrical Data of Unit and Control Devices

Heat Pump Working Heads

Operating Limits

Electric Wiring Diagrams

Mod. NGSI 05-07

Electrical wiring diagram for NGSI 05 and 07 models.

Mod. NGSI 10

Electrical wiring diagram for the NGSI 10 model.

Mod. NGSI 15

Electrical wiring diagram for the NGSI 15 model.

CRH Remote Keypad (Optional Accessory)

Double Setpoint Kit (Optional Accessory)

Electrical Wiring Diagram

Diagrams showing electrical connections for the double setpoint kit.

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