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Thermo Scientific Manuals
Laboratory Equipment
3948
Operating manual
Thermo Scientific 3948 Operating Manual
Environmental chamber
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Contents
Table of Contents
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Table of Contents
Table of Contents
Chapter 1 Safety Notes
Explanation of the Safety Information and Symbols
Additional Symbols for Safety Information
Basic Operating Precautions
Operational Safety Rules
Warranty
Intended Use
Unintended Use
Standards and Directives
Chapter 2 Delivery of the Environmental Chamber
Packaging
Acceptance Inspection
Scope of Delivery
Chapter 3 Transport Information
Lifting Model 3907
Moving Model 3948
Chapter 4 Installation
Ambient Conditions
Location Requirements
Intermediate Storage
Installing the Wall Anchors
Power Connection
Installing the Shelves
Leveling the Unit
Connect Water Inlet for Humidity System
Alternate Water Supply for Humidity System
Attaching Drain Connections
Chapter 5 Product Description
4-20 Milliamp Output
Remote Alarm Contacts
IR CO2 Option
Connect the CO2 Source
Set the CO2 Content
CO2 Control and Indicators
Set up the Heatless Dryer (Optional)
Access Port
Solid Door (Optional)
Chapter 6 Start-Up
Set the Overtemp Safety Thermostat
Set the Undertemp Safety Thermostat
Chapter 7 Operation
Preparing the Environmental Chamber
Device Check
Preliminary Cleaning and Disinfecting
Chapter 8 Handling and Control
Control Panel
Set the Operating Temperature
Set the Operating Humidity
Air Exchange Ventilator Caps
Set up the Heatless Dryer (Optional)
Chapter 9 Cleaning and Disinfection
Cleaning
Clean the Glass Doors
Moisture-Sensitive Components
Cleaning Exterior Surfaces
Cleaning Operation Panels
Wipe / Spray Disinfection
Predisinfection
Cleaning the Workspace
Final Disinfection
Chapter 10 Maintenance
Maintaining the Humidity Generator
Preventive Maintenance for Environmental Chambers
Returns for Repair
Chapter 11 Disposal
Chapter 12 Specifications
Chapter 13 Service
Remove Software Lockout
Controller Configuration
Offset Calibration (Temp/Humidity)
Set Door Heater Control
Clean/Adjust Steam Generator
CO2 Controller Calibration
Change PID Tuning
Watlow PM Control Auto Tune
Configuration Record
Honeywell Truline Configuration Record
Chapter 14 Information
Contact
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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.
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