Thermo Scientific ThermoFlex2500 User Manual

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Thermo Scientiﬁc

ThermoFlex

TM

Recirculating Chillers

(Basic Controller)

Thermo Scientic Manual P/N U00933

Rev. 11/03/2017

Visit our Web site at:

http://www.thermoﬁsher.com/tc

Product Service Information, Applications

Notes, SDS Forms, e-mail.

Voice Info: (800) 258-0830

Multilingual Quick

Start Guides

Multilingual Essential

Safety Instructions

Installation

Operation

Preventive

Maintenance

Troubleshooting

Table of Contents

Questions and Answers:

M
martinezjamesAug 8, 2025
How to troubleshoot a Thermo Scientific ThermoFlex2500 that will not start?
- H
  Henry TownsendAug 8, 2025
  If your Thermo Scientific Chiller won't start, begin by inspecting the electrical connections. If it's the first time you're using it, refer to the quick start instructions. Check the controller for any error codes. Also, make sure the optional GFCI breaker on the rear is in the up position. For ThermoFlex900 - 10000 chillers, ensure the circuit protector is in the on ( I ) position. Confirm that the supply voltage is connected and matches the chiller's nameplate rating ±10%. If there's no display or it shows 8888 on ThermoFlex900 - 10000, try recycling the circuit protector on the rear.
R
rodney59Aug 29, 2025
How to fix inadequate temperature control on a Thermo Scientific Chiller?
- W
  Wendy LesterAug 29, 2025
  To address inadequate temperature control in your Thermo Scientific Chiller, start by verifying the setpoint. If the chiller is over-cooling, recycle the power. Ensure the condenser/air filter is free of dust and debris, and confirm the chiller installation complies with site requirements. Check that the supply voltage matches the chiller's nameplate rating ±10%. For ThermoFlex900 - 5000 global voltage chillers, make sure the chiller is properly configured. If the temperature continues to rise, ensure your application's heat load does not exceed the rated specifications. Also, check for high thermal gradients and verify/adjust controller PID values.

Thermo Scientific ThermoFlex2500 Specifications

General

Brand	Thermo Scientific
Model	ThermoFlex2500
Category	Chiller
Language	English

Summary

Safety

Safety Warnings

General safety precautions and warnings for operating the chiller.

General Information

Specifications

Technical details and performance data for various chiller models.

Installation

Site Requirements

Electrical Requirements

Specifications for power supply, circuit protection, and wiring.

Plumbing Requirements

Guidelines for connecting process fluid and facility water lines.

Operation

Basic Controller

Start Up

Steps for initial startup and system initialization.

Shut Down

Preventive Maintenance

Preventive Maintenance Timer

Troubleshooting

Troubleshooting Error Codes

Table of error codes, causes, reactions, and recommended actions.

Chiller Startup Checklist

Controller PID Value Adjustment

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