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Neslab HX-300 User Manual

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Installation, Operation,Installation, Operation,
Installation, Operation,Installation, Operation,
Installation, Operation,
and Maintenance Manand Maintenance Man
and Maintenance Manand Maintenance Man
and Maintenance Man
ualual
ualual
ual
HX AnalogHX Analog
HX AnalogHX Analog
HX Analog
RecirRecir
RecirRecir
Recir
culating Chillerculating Chiller
culating Chillerculating Chiller
culating Chiller
NESLAB Manual P/N 002023
Rev. 02/25/92
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Neslab HX-300 Specifications

General IconGeneral
BrandNeslab
ModelHX-300
CategoryChiller
LanguageEnglish

Summary

Preface

Unpacking Instructions

Retain all cartons and packing material until the unit is operated and found to be in good condition.

Warranty Information

Details about the unit's warranty period, coverage, and return procedures.

After-Sale Support Contact

NESLAB's commitment to customer service and contact details for sales and service.

Section I Safety

General Safety Warnings

Crucial safety precautions to read and understand before installation or operation.

Section II General Information

Unit Description

Overview of the HX Series Recirculating Chiller's design and purpose.

Specifications

Cooling Capacity

Pump Capacity

Section III Installation

Site Selection for Air-cooled Units

Guidelines for choosing a location for air-cooled units, focusing on ventilation.

Site Selection for Water-cooled units

Electrical Requirements

Plumbing Requirements

Cooling Fluids

Filling Requirements

Pump Purging

Section IV Operation

Start Up Procedure

Steps to follow before and during the initial startup of the unit.

Refrigeration Control

How to set and understand the unit's temperature control system.

Flow Control

Pressure Gauge

Pressure Relief Valve

High Pressure Cutout

Section V Special Features

Pump Motor Overload Protector

Function and behavior of the overload protector for three-phase pump motors.

Optional Heater Package

External Pressure Regulator

Automatic Refill Device

Section VI Maintenance

Service Contracts

Information on NESLAB's on-site service contracts for unit maintenance.

Condenser Cleaning

Procedure for cleaning the condenser fins to maintain cooling capacity.

Algae Growth Prevention

Recommendations to restrict the growth of algae in the fluid reservoir.

Section VII Service

Pump Strainer Maintenance

Instructions for cleaning the pump strainer to prevent damage.

Phase Rotation

Pump Lubrication

Section VIII Troubleshooting

Troubleshooting Checklist

Common issues and steps for diagnosing unit problems.

Service Assistance Information

Essential information to have ready when contacting service support.

Section IX Diagrams

Refrigeration Flow Diagram (HX-75 to HX-150)

Schematic illustrating the refrigeration flow path for specific models.

Refrigeration Flow Diagram (HX-200 to HX-750)

Schematic illustrating the refrigeration flow path for other models.

Pump Flow Diagram (CP Pumps)

Pump Flow Diagram (PD and TU Pumps)

Section X Warranty

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