AERMEC NRA 1000 - User Manual

TECHNICAL MANUAL
Air/water chillers and heat pumps and condensing units with scroll
compressors
nra
INRATV. 0705 4034403_02
replace il 4034403_01 del 0607
ESPAÑOL pag.42 ENGLISH pag.2
MANUAL TÉCNICO
Enfriadoras y bombas de calor aire agua y motocondensadores con
compresores scroll

Summary

Unit Description and Versions

Available Models and Versions

Selection Parameters and Codes

Component Description

Refrigerating Circuit Components

Details compressors, heat exchangers, valves, and other circuit parts.

Frame, Fans, and Hydraulic Components

Safety, Electrical, and Control Systems

Safety and Control Components

Explains pressure switches, sensors, and safety valves.

Electrical and Electronic Systems

Technical Data Overview

Nominal Reference Conditions

Technical Data - Standard Versions

Technical Data - High Efficiency Versions

Technical Data - Silenced Versions

Technical Data - Heat Pump Versions H

Cooling Mode Performance (Heat Pump H)

Technical data for cooling operation in heat pump mode.

Heating Mode Performance (Heat Pump H)

Technical data for heating operation in heat pump mode.

Technical Data - Heat Pump Versions HL

Cooling Mode Performance (Heat Pump HL)

Technical data for cooling operation in silenced heat pump mode.

Heating Mode Performance (Heat Pump HL)

Technical data for heating operation in silenced heat pump mode.

Selection Criteria

Operating Limits

Defines operational boundaries for temperature and air conditions.

Project Data Requirements

Specifies maximum allowed pressures and temperatures for selection.

Correction Coefficients

Cooling and Input Capacities Correction

Factors to adjust cooling and power based on operating conditions.

Cooling and Input Capacities (Silenced Versions)

Heating and Input Capacities (Heat Pump Versions)

Pressure Drops

Evaporator Side Pressure Drops

Diagrams showing pressure loss in evaporator heat exchangers.

Condenser Side Pressure Drops

Expansion Tank and System Pressure

Low Pressure Pumps Performance

High Pressure Pumps and Desuperheaters

High Pressure Pumps Performance

Desuperheater Performance Data

Desuperheater Pressure Drops

Total Recovery Function

Total Recovery Pressure Drops

Capacity Control

Calibration and Safety Parameters

Calibration of Check Parameters

Thermomagnetic Switches and Transducers

High and Low Pressure Switches

AERMEC NRA 1000 Specifications

General

Brand	AERMEC
Model	NRA 1000
Category	Air Compressor
Language	English