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AERMEC NRA 1250 - User Manual

AERMEC NRA 1250
86 pages
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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
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Summary

General Standards and Safety

Unit Description and Selection

Available Models and Versions

Lists available unit models and their standard configurations, including special versions like silenced and heat pump.

Component Descriptions

Safety, Electrical, and Electronic Systems

Technical Data Overview

Technical Data: Standard Versions

Technical Data: High Efficiency Versions

Technical Data: Silenced Versions

Technical Data: Heat Pump Versions (H)

Technical Data: Silenced Heat Pump Versions (HL)

Selection Criteria and Operating Limits

Operating Limits and Project Data

Defines operating limits for cold and hot modes and key project data parameters for unit selection.

Correction Coefficients

Cooling and Input Capacities (Standard;High Temp)

Explains how to use correction coefficients for cooling and input capacities under various conditions.

Pressure Drops

Desuperheaters

Sound Data

Capacity Control

Calibration of Safety Parameters

Switches, Transducers, and Controls

Covers calibration of thermomagnetic switches, pressure transducers, and safety control mechanisms.

Distribution Weights (Without Water)

Weight Percentage on Rests (Without Water)

Details the distribution of weights on rests for units without water, by model and version.

Distribution Weights (With Water)

Weight Percentage on Rests (With Water)

Provides weight distribution data on rests for units with water, broken down by model and version.

Lifting Instructions

Safe Lifting Procedures

Outlines essential safety instructions and procedures for lifting the unit correctly and safely.

Summary

General Standards and Safety

Unit Description and Selection

Available Models and Versions

Lists available unit models and their standard configurations, including special versions like silenced and heat pump.

Component Descriptions

Safety, Electrical, and Electronic Systems

Technical Data Overview

Technical Data: Standard Versions

Technical Data: High Efficiency Versions

Technical Data: Silenced Versions

Technical Data: Heat Pump Versions (H)

Technical Data: Silenced Heat Pump Versions (HL)

Selection Criteria and Operating Limits

Operating Limits and Project Data

Defines operating limits for cold and hot modes and key project data parameters for unit selection.

Correction Coefficients

Cooling and Input Capacities (Standard;High Temp)

Explains how to use correction coefficients for cooling and input capacities under various conditions.

Pressure Drops

Desuperheaters

Sound Data

Capacity Control

Calibration of Safety Parameters

Switches, Transducers, and Controls

Covers calibration of thermomagnetic switches, pressure transducers, and safety control mechanisms.

Distribution Weights (Without Water)

Weight Percentage on Rests (Without Water)

Details the distribution of weights on rests for units without water, by model and version.

Distribution Weights (With Water)

Weight Percentage on Rests (With Water)

Provides weight distribution data on rests for units with water, broken down by model and version.

Lifting Instructions

Safe Lifting Procedures

Outlines essential safety instructions and procedures for lifting the unit correctly and safely.

AERMEC NRA 1250 Specifications

General IconGeneral
Max Pressure10 bar
Voltage400 V
Frequency50 Hz
Noise Level68 dB(A)
Weight380 kg
Air Delivery2.16 m³/min
Dimensions1200 x 800 x 1200 mm

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