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Thermal Care NQA10 - 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

General Warning Symbols

Explains various warning symbols and their meanings for safe operation and installation.

Pre-Installation Procedures

Chiller Mechanical Installation

Chilled Water Piping

Guidance on proper chilled water piping insulation, sizing, and installation to ensure optimal performance.

Remote Air-Cooled Condenser Installation

Refrigerant Piping Design

Interconnecting Refrigerant Piping

Covers requirements for piping between chiller and remote condenser, including evacuation and charge.

Liquid Line Sizing

Discharge (Hot Gas) Line Sizing

System Refrigerant and Oil Charge

Electrical Installation

Standard Controller Operation

Controller Interface Buttons

Details on the function of Start, Stop, Alarm, Program, and navigation buttons on the control panel.

Controller Operation Details

Alarm and Safety Status LEDs

Interpretation of LEDs for Temperature Limit, Phase Error, Low Flow, and Refrigerant Pressure.

Optional Controller Operation

Alarm Screens and Navigation

Explains the Active Alarms and Alarm History screens and navigation between them.

Start-Up Procedures

Initial Start-Up Procedure

Outline of essential steps and checks for safely starting up the chiller.

Connect Main Power and Fill Coolant

Steps for connecting power, checking phase sequence, and filling the coolant circuit.

Check Refrigerant Valves and Freezestat

Verifying valve positions and setting the Freezestat for proper operation and freeze protection.

Initial Unit Operation and Checks

Steps for turning on control power, establishing coolant flow, and initial operational checks.

Preventive Maintenance

General Troubleshooting

Compressor and Pump Start Issues

Troubleshooting common causes for compressor or pump not starting.

Pressure and Freezestat Faults

Diagnosing issues related to low/high refrigerant pressure and freezestat faults.

Warranty Information

Thermal Care NQA10 Specifications

General IconGeneral
BrandThermal Care
ModelNQA10
CategoryChiller
LanguageEnglish

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