AERMEC NRA F 550 L - User Manual

AERMEC S.P.A.
ISO 9001 - Cert. nº 0128/3
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INRAfPW
0405
6871970.00
Refrigeratori aria - acqua
Air to water chillers
NRA free cooling
R407C
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Summary

Declaration of Conformity

Unit Description

Unit Selection and Configuration

Configuration Options

Explains the fields and options available for configuring the unit's sale code.

Component Identification

Refrigerant Circuit Components

Detailed descriptions of components within the refrigerant circuit.

Safety and Control Devices

Explanation of various safety and control components.

Control System and Microprocessor

Microprocessor Functions

Details microprocessor capabilities, settings, and operational controls.

Technical Specifications

Cooling and Free-Cooling Performance

Provides performance data for cooling and free-cooling modes.

General Technical Data

Lists general technical specifications like water content and fan motor power.

Sound Data

Presents sound pressure and power level ratings for chiller and free-cooling modes.

Capacity Control

Details the capacity steps for cooling, input power, and heating.

Selection Criteria and Correction Factors

Operating Efficiency Evaluation

Compares operating efficiency with and without free-cooling.

Operating Limits and Design Data

Operating Limits

Defines the operational limits for units in standard configuration.

Protection Device Settings

Control Parameter Setting Range (TAV 16)

Defines setting ranges for control parameters like setpoints.

Device Calibration (TAV 17)

Specifies calibration values for protection devices.

Hydraulic Circuits

Suggested External Hydraulic Circuit

Internal Hydraulic Circuit

Dimensions and Connections

Refrigerant Circuit Layout

Weight and Center of Gravity

Weight Distribution Data

Unit Installation and Use

Start-Up Procedures

Safety Information

Electrical Connections and Wiring Diagrams

Electronic Board Diagram

Schematic of the electronic control board and its terminal connections.

Power Connections Diagrams

Wiring diagrams for the main power supply connections.

Load Connections Diagrams

Safety & Remote Control Diagrams

AERMEC NRA F 550 L Specifications

General

Brand	AERMEC
Model	NRA F 550 L
Category	Chiller
Language	English