Thermo Scientific 3948 Operating Manual
Thermo Scientific 3948 Operating Manual

Thermo Scientific 3948 Operating Manual

Environmental chamber
Table of Contents

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Thermo Scientific
Environmental Chamber
Model 3907 and 3948
Operating Manual
50158234 Rev. E
Visit us online to register your warranty
www.thermoscientific.com/labwarranty
st
July, 21
2020

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Summarization of Contents

Safety Notes
Safety Information and Symbols
Defines safety symbols like DANGER, WARNING, CAUTION, and NOTE.
Operational Safety Rules
Lists rules for safe operation, including sample handling and precautions.
Intended Use and Warnings
Specifies applications and materials that should not be used in the chamber.
Delivery and Inspection
Packaging and Acceptance
Details packaging materials and the procedure for checking delivery for damage.
Transport Information
Lifting and Moving Units
Provides instructions and warnings for safely lifting and moving the chamber units.
Installation Procedures
Location and Ambient Requirements
Specifies environmental conditions and location criteria for chamber installation.
Connections and Leveling
Instructions for power, water, drain connections, and unit leveling.
Product Features
Chamber Models and Specifications
Overview of chamber types, dimensions, and basic specs.
Control, Output, and Options
Explains data output, alarms, CO2, dryers, and doors.
Initial Start-Up
Setting Safety Thermostats
Procedures for setting overtemp and undertemp safety thermostats.
Operating the Chamber
Pre-Operation Checks
Steps for device checks and preliminary cleaning before use.
Handling and Control
Control Panel and Switches
Explanation of control panel elements, power, and function switches.
Setting Operating Parameters
Procedures for setting operating temperature and humidity levels.
Cleaning and Disinfection
Interior and Exterior Cleaning
Guidelines for cleaning interior, exterior, and operation panels.
Disinfection Methods
Outlines wipe/spray disinfection and predisinfection steps.
Maintenance Guidelines
Routine and Preventive Maintenance
Overview of operator maintenance tasks and professional service recommendations.
Disposal Procedures
Contamination Hazard and Decontamination
Highlights contamination hazards and mandatory decontamination before disposal.
Technical Specifications
Dimensional and Performance Specs
Lists chamber dimensions, temperature ranges, and performance data.
Electrical and Site Data
Provides electrical specifications and site requirements for the unit.
Service and Calibration
Software Lockout and Calibration
Procedures for removing lockout, controller configuration, and offset calibration.
Steam Generator and CO2 Calibration
Instructions for cleaning the steam generator and calibrating the CO2 controller.
Tuning and Auto-Tune
Steps for changing PID tuning and performing automatic controller tuning.
Information and Contact
Contact Details
Provides contact information for Thermo Fisher Scientific in USA and EMEA.

Table of Contents