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Thermal Care NQA08 - User Manual

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Installation & Operation Manual
NQ Series Portable and Remote Condenser Chillers

Table of Contents

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Summary

Safety Guidelines

Safety Warning Symbols Explained

Explains various safety warning symbols and their meanings.

Essential Safety Actions and Precautions

Details mandatory actions and protective measures for safe operation.

Refrigerant and Electrical Safety

Addresses hazards of refrigerant, electrical safety, and protective gear.

Pre-Installation Procedures

Receiving Inspection and Handling

Guides on verifying unit, inspecting for damage, and documenting issues upon arrival.

Chiller Mechanical Installation

Chiller Pump Performance Data

4-Ton and 5-Ton Pump Performance

Net pump performance curves for 4 and 5-ton chillers.

7¹½-Ton and 10-Ton Pump Performance

Net pump performance curves for 7.5 and 10-ton chillers.

13-Ton and 15-Ton Pump Performance

Net pump performance curves for 13 and 15-ton chillers.

20-Ton and 25-Ton Pump Performance

Net pump performance curves for 20 and 25-ton chillers.

30-Ton and 35-Ton Pump Performance

Net pump performance curves for 30 and 35-ton chillers.

40-Ton Pump Performance

Net pump performance curves for 40-ton chillers.

Remote Air-Cooled Condenser Installation

Interconnecting Refrigerant Piping

Covers requirements for piping between the chiller and remote condenser.

Refrigeration Piping Design Considerations

Discusses factors affecting piping size and system performance.

Refrigerant Line Sizing

Discharge Line Sizing

System Refrigerant and Oil Charge

Refrigerant Charge Calculation

Tables for calculating total and field piping refrigerant charges for R410A.

Electrical Installation

Wiring Compliance and Voltage Requirements

Covers wiring standards, voltage requirements, and phase imbalance calculations.

Standard Controller Operation

Controller Overview and Start-Up Sequence

Explains the controller's function, diagnostic tests, and initial sequence.

Start, Stop, and Alarm Reset Buttons

Details the function of Start, Stop, and Alarm Reset buttons for chiller control.

Controller Program Menu Parameters

Alarm and Deviation Settings

Lists parameters for alarm delays, autostart, and temperature deviations.

Controller Control Fault Logic

Fault Logic and Alarm Indications

Details how the controller handles faults, including alarm indications.

Fault Reset Requirements

Specifies requirements for manual resets and remote alarm activations for faults.

Refrigeration Diagnostic and Start-Up

Initial Start-Up Procedure Overview

Outlines the recommended initial start-up steps for the chiller.

Critical Electrical Safety Warnings

Highlights critical electrical safety warnings and precautions for installation and service.

Start-Up Procedures and Water Quality

Connect Main Power and Fill Coolant Circuit

Guides on connecting power, checking phase sequence, and filling coolant circuit.

Chiller Operation and Checks

Control Power, Coolant Flow, and Initial Operation

Procedure for turning on control power, establishing coolant flow, and initial operation.

Preventive Maintenance

Preventive Maintenance Checklist

Maintenance Activity Tracking Table

A table to track scheduled maintenance activities weekly.

General Troubleshooting Guide

Troubleshooting Compressor and Pump Start Issues

Lists possible causes and remedies for compressor and pump start problems.

Troubleshooting Refrigerant Pressure Issues

Identifies causes and solutions for low and high refrigerant pressure.

Warranty Information

Optional Compressor Warranty

Thermal Care NQA08 Specifications

General IconGeneral
BrandThermal Care
ModelNQA08
CategoryChiller
LanguageEnglish

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