AERMEC NXW 1400 User Manual

CHILLERS- Technical manual - installation - maintenance
NXW
INXWPY. 1004. 4438805_00
EN
L
LER
S
- Techn
i
cal manual -
i
nstallat
i
on - ma
i
nt
e
e
nanc
e

AERMEC NXW 1400 Specifications

General

Brand	AERMEC
Model	NXW 1400
Category	Chiller
Language	English

Summary

General Warnings and Safety

Safety Precautions and Installation

Essential safety measures and installation guidelines for qualified technicians.

Unit Description and Selection

Component Descriptions

Cooling Circuit Components

Detailed description of components within the cooling circuit.

Hydraulic Components

Overview of hydraulic components and their functions.

Electrical Components

Description of the electrical panel, disconnect switch, and control keypad.

Electronic Regulation System

Details on the unit's electronic control board and programming.

Technical Data

Standard Version L Size Data

Technical specifications for standard L size NXW units.

Standard Version H Size Data

Standard Version E Size Data

Operating Limits

Standard Version Operating Limits

Condenserless Version Operating Limits

Corrective Factors

Heating Capacity and Input Power Correction

Correction factors for heating capacity and input power.

ΔT Correction Factors

Fouling Factors

Cooling Capacity and Input Power

Condenserless Cooling Capacity

Desuperheater Capacity and Factors

Heating Capacity with Desuperheater

Desuperheater ΔT Correction Factors

Desuperheater Fouling Factors

Total Recovery Capacity and Factors

Heating Capacity with Total Recovery

Total Recovery ΔT Correction Factors

Total Recovery Fouling Factors

Total Pressure Drops

Evaporator Pressure Drops

Condenser Pressure Drops

Sound Data

Standard NXW Sound Levels

Sound power and pressure levels for standard NXW units.

Silenced NXW Sound Levels

Sound power and pressure levels for silenced NXW units.

Safety and Check Parameter Settings

Capacity Control

Installation Site Selection

Dimensional Tables

NXW 0500-0700 Standard Dimensions

Hydraulic Circuit

External Hydraulic Circuit Recommendations

System Load Procedure

Emptying the System

Weight Distribution on Supports

Version - Size 0500 to 0750 Weight Distribution

Weight distribution for NXW units, sizes 0500-0750.

Weight Distribution - Sizes 0800 to 1400

Version - Size 0800 to 1400 Weight Distribution

Weight distribution for NXW units, sizes 0800-1400.

Weight Distribution - Version H

Version H - Sizes 0500 to 0750 Weight Distribution

Weight distribution for NXW H units, sizes 0500-0750.

Version H - Sizes 0800 to 1400 Weight Distribution

Weight distribution for NXW H units, sizes 0800-1400.

Weight Distribution - Version L

Version L - Sizes 0800 to 1400 Weight Distribution

Weight distribution for NXW L units, sizes 0800-1400.

Weight Distribution - Version HL

Version HL - Sizes 0500 to 0750 Weight Distribution

Weight distribution for NXW HL units, sizes 0500-0750.

Version HL - Sizes 0800 to 1400 Weight Distribution

Weight distribution for NXW HL units, sizes 0800-1400.

Electrical Wirings

Recommended Electric Cable Sections

Recommended cable sections for power supply and connections.

Power Supply Connection

Accessing the Electric Box

Control and First Start-Up

Preparation for Commissioning

Pre-commissioning checks and requirements before unit start-up.

First Machine Commissioning

Procedure for the initial start-up and activation of the unit.

Operation Characteristics

Cooling Set Point

Heating Set Point

Anti-Freeze Alarm

Water Flow Rate Alarm

Regular Maintenance

Hydraulic Circuit Maintenance

Electric Circuit Maintenance

Cooling Circuit Maintenance

Mechanical Controls Maintenance

Extraordinary Maintenance

Loading Procedure