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Thermotron 3800 - User Manual

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A Venturedyne, Ltd. Company
3800 Programmer/Controller
Operator Manual
Revision 3: April 16, 2009
This generic manual is intended for reference purposes only and is not intended to
be used to operate your equipment. For operating instructions and a description of
the features used on your specific control system, see the hard copy manual set for
your Thermotron product.
This manual provides the most current generic operating instructions for this
controller at the time of its revision date. Therefore this manual may not include
some recent software changes. This manual may also cover features that are not
available on your current controller. Examples within this manual are for typical
configurations that may not apply to the configuration of your control system.

Table of Contents

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Summary

Section 1: Getting Started

3800 Basic Functions

Provides brief descriptions of key functionalities of the 3800 controller.

Running in Manual Mode

Instructions for operating the chamber using set point and rate of change settings.

Manual Throttle Mode

A specialized manual mode for troubleshooting with a Technical Liaison.

Running a Program

Explains how to run programmed temperature and process variable cycles.

Delayed Start

Details how to schedule a program to start at a future time.

Edit From Hold

Allows temporary modification of interval values while a program is running.

Chamber Status

Screen allowing users to view current operating conditions like set points and throttles.

Section 2: System Setup

Adjusting Standard Control Parameters

Fine-tunes proportional band and integral time for optimal chamber performance.

Adjusting PTC Control Parameters

Tunes gain, integral time, and offset for product temperature control.

Setting Process Alarms

Defines high and low limits for temperature and humidity to prevent product damage.

Changing the Access Level or Password

Manages user access levels and security passwords for controller functions.

Configuring System Events

Sets up automated actions based on monitored variables like temperature or throttle.

Calibrating the Therm-Alarm Input

Procedure to ensure the accuracy of Therm-Alarm temperature readings.

Viewing Diagnostic Screens

Access to screens for troubleshooting chamber issues with technical assistance.

Section 3: Programming the 3800

Programmed Cycling

Explains the purpose and structure of programmed environmental cycling.

Creating a New Program

Step-by-step guide for creating and defining program intervals.

Viewing or Editing a Program

How to access and modify the parameters of saved programs.

Section 4: Therm-Alarm Functions

Positioning the Input Thermocouple or Analog Sensor

Guidance on correctly placing sensors for accurate product monitoring.

Changing the Therm-Alarm Settings

Procedure to adjust high/low limits, mute time, and warning band.

Alarm Mute and Reset Mode Functions

Details on muting audible alarms and managing reset modes.

Calibrating a Therm-Alarm

Steps to calibrate the Therm-Alarm for accurate temperature measurements.

Appendix A: Glossary

Manual mode

Allows direct operation of chamber functions using set point and ramp rate.

Process alarm

Alarm activated if a process variable exceeds programmed high or low limits.

Thermotron 3800 Specifications

General IconGeneral
BrandThermotron
Model3800
CategoryController
LanguageEnglish

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