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PolyScience Refrigerated Recirculating Chillers User Manual

PolyScience Refrigerated Recirculating Chillers
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Operators Manual
Refrigerated Recirculating Chillers
110-240 Rev. H
06/06
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PolyScience Refrigerated Recirculating Chillers Specifications

General IconGeneral
DimensionsVaries by model
WeightVaries by model
Pump Typecentrifugal
RefrigerantR404A
DisplayDigital
Safety FeaturesOver-temperature protection
CommunicationsRS232
Power Requirements115V/60Hz or 230V/50Hz (varies by model)

Summary

General Information and Warranty

Warranty Information

Details the manufacturer's warranty terms and conditions for the product.

Unpacking Instructions

Guidance on safely unpacking the chiller and checking for transit damage.

Chiller Overview and Specifications

Chiller Description

Provides a general description of the refrigerated recirculating chillers and their features.

Installation and Startup Procedures

Site Requirements

Specifies site selection, ambient temperature, humidity, and clearance needs.

Electrical Power and Connections

Details electrical power requirements, grounding, and connection guidelines.

Optional Signal Inputs/Outputs

Describes optional external temperature probe and serial communication connections.

Plumbing and Piping

Covers process piping, tubing, fittings, and reservoir drain connections.

System Setup Configurations

Explains setup for closed systems, cooling coils, and open bath systems.

Startup Procedure

Step-by-step guide for filling the reservoir and initiating system operation.

Chiller Operation and Controls

Temperature Unit Selection

How to switch between Celsius (°C) and Fahrenheit (°F) temperature displays.

Set Point Adjustment

Procedure for displaying and adjusting the desired set point temperature.

Ambient Tracking Offset Adjustment

How to display and adjust the ambient tracking offset value.

Remote Temperature Control Adjustment

How to display and adjust the external temperature set point.

Pressure/Flow Rate Display Selection

How to select and view pressure or flow rate units.

Internal/External Temperature Display

Switching between internal and external temperature readings.

Setting Operational Parameters

Configuration of various operational parameters like alarms and set points.

Display, Alarm, and Error Messages

Explains message codes, descriptions, and required actions for faults.

High Pressure Bypass Setting

Procedure for adjusting the automatic high pressure bypass setting.

Local Lockout Feature

How to enable or disable the local lockout feature for parameter protection.

Maintenance and Calibration

Pump Maintenance

Instructions for maintaining the standard magnetic drive centrifugal pump.

Cleaning Condenser, Vents, and Filter

Guidance on cleaning the condenser, air vents, and reusable filter for optimal performance.

Fluid Filter and Level Check

Procedures for cleaning the fluid filter and checking the fluid level.

Temperature and Flow Rate Calibration

Methods for calibrating temperature and flow rate readings for accuracy.

Troubleshooting Guide

Unit Not Operating or Pumping

Steps to diagnose and resolve issues with the unit not starting or pumping.

Pumping Issues

Troubleshooting steps for no pumping or insufficient pumping.

Cooling Issues and Faults

Diagnosing and addressing no cooling, insufficient cooling, triac, and probe faults.

Diagnostic Mode Usage

How to access and use the diagnostic mode for troubleshooting.

Service and Technical Support

Electrical Wiring Diagram

Provides a detailed electrical wiring diagram for the chiller.

Process Flow Diagram

Illustrates the process flow of the chiller, including components and fluid paths.

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