Thermo Scientific 3960 Operating instructions

Model 3960 Series
29 cu ft Environmental Chamber
Operating and Maintenance Manual 7003960 Rev. 15
Visit us online to register your warranty
www.thermoscientific.com/warranty

Thermo Scientific
MANUAL NUMBER 7003960
15 29318/IN-4272 12/14/12 Clarified usage on 3960-06-1 exploded drawing list ccs
14 24921/IN-3939 2/16/12 Removed accessory list - 7-2 ccs
13 27292/IN-4073 9/29/11 Revised drawings on pgs 8-3 and 8-4, spacers and power supply kit ccs
12 25454/IN-3930 4/16/09 Corrected figures on page 1-1 to 3960 ccs
11 24809/IN-3872 10/10/08 Updated temp probe part number to 290138 ccs
10 -- 8/27/07 Removed typo ‘connected to gas supply’ in Start-Up ccs
9 23572/IN-3320 10/03/06 Updated seal on blower motor mount (drawing 1900014-06-1r2) ccs
-- -- 12/2/04 Clarified operating temperature setpoint range ccs
-- -- 1/19/04 Clarified overtemp operation aks
8 21980/IN-3156 11/7/03 Added min/max load and analog output board max external cable length ccs
Preface
29 cu ft Environmental Chamber i
*All units are 50/60 Hz.
Models covered by this manual
Model Voltage*
3960 100-120
3961 200-230
Warning If the chamber is not used in the manner specified is in this
operating manual, the protection provided by the equipment design may
be impaired. s

Thermo Scientificii 29 cu ft Environmental Chamber
Preface
Important Read this instruction manual. Failure to read, understand and follow the instructions in this manual
may result in damage to the unit, injury to operating personnel, and poor equipment performance. s
Caution All internal adjustments and maintenance must be performed by qualified service personnel. s
Material in this manual is for information purposes only. The contents and the product it describes are subject
to change without notice. Thermo Fisher Scientific makes no representations or warranties with respect to this
manual. In no event shall Thermo be held liable for any damages, direct or incidental, arising out of or related
to the use of this manual.
©1999 Thermo Fisher Scientific. All rights reserved.

Thermo Scientific 29 cu ft Environmental Chamber iii
Preface
Important operating and/or maintenance instructions. Read the accompanying text carefully.
Potential electrical hazards. Only qualified persons should perform procedures associated with this
symbol.
Equipment being maintained or serviced must be turned off and locked off to prevent possible injury.
Hot surface(s) present which may cause burns to unprotected skin, or to materials which may be
damaged by elevated temperatures.
Marking of electrical and electronic equipment, which applies to electrical and electronic equipment
falling under the Directive 2002/96/EC (WEEE) and the equipment that has been put on the market
after 13 August 2005.
This product is required to comply with the European Union’s Waste Electrical & Electronic
Equipment (WEEE) Directive 2002/96/EC. It is marked with the WEEE symbol. Thermo Fisher
Scientific has contracted with one or more recycling/disposal companies in each EU Member State
European Country, and this product should be disposed of or recycled through them. Further
information on Thermo’s compliance with this directive, the recyclers in your country and
information on Thermo Scientific products will be available at www.thermofisher.com.
4Always use the proper protective equipment (clothing, gloves, goggles, etc.)
4Always dissipate extreme cold or heat and wear protective clothing.
4Always follow good hygiene practices.
4Each individual is responsible for his or her own safety.

Thermo Scientificiv 29 cu ft Environmental Chamber
Preface
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29 cu ft Environmental Chamber vThermo Scientific
Table of Contents
Installation and Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
Control Panel Keys, Displays & Indicators . . . . . . . . . . . . . . . . . . . .1-2
Keypad Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3
Install the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3
Preliminary Cleaning and Disinfecting . . . . . . . . . . . . . . . . . . . . . .1-4
Install the Shelves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4
Level the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4
Connect to Electrical Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5
Incubator Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5
Set the Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5
Set the Overtemp Setpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
Calibrate the Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
Temperature Stabilization Periods . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
Turn All Audible Alarms On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
Set an Access Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
Set Low Temp Alarm Limit (Tracking Alarm) . . . . . . . . . . . . . . . . . .3-2
Enable Temp Alarms to Trip Relay Contacts . . . . . . . . . . . . . . . . . . .3-2
Communications Address - RS485 . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
Sensor Fault Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
Clean the Glass Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
Replace the Power Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
Discarding/ Removing Incubator from Service . . . . . . . . . . . . . . . . . .5-3
Section 1
Section 2
Section 3
Section 4
Section 5

vi 29 cu ft Environmental Chamber Thermo Scientific
Factory Installed Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1
Connect the Remote Alarm Contacts . . . . . . . . . . . . . . . . . . . . . . . . .6-1
Connect the RS485 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2
Connect the Analog Output Boards . . . . . . . . . . . . . . . . . . . . . . . . .6-2
Inner Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-4
Shaker Support Shelves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-4
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1
Electrical Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-1
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-1
Table of Contents
Section 6
Section 8
Section 7
Section 9
Appendix A

29 cu ft Environmental Chamber 1-1Thermo Scientific
Section 1 Installation and Start-Up
Figure 1-1. Front View
Figure 1-4. Side View
Figure 1-3. Back View
Figure 1-2. Top View

1-2 29 cu ft Environmental Chamber Thermo Scientific
Section 1
Installation and Start-Up
Silence - Silences the audible alarm.
Alarm Indicator - Light pulses on/off during an alarm condition in
the unit.
Mode Select Switch - Used to select Run, Setpoints, Calibration and
System Configuration Modes.
Message Center - Displays system status.
Mode Select Indicators -
• Run: Run Menu
• Set: Set Points Menu
• Cal: Calibrate Menu
• Config:: Configuration Menu
Up and Down Arrows - Increases or decreases the number values,
toggles between choices.
Enter - Stores the value into computer memory.
Heat Indicator - Lights when power is applied to the heaters.
Temp Display – Displays temperature continuously
Scroll for Parameters Arrows - Moves the operator through the choices
of the selected mode.
Control Panel Keys,
Displays & Indicators
Silence Mode System OK 36.9
Enter
Run Set Cal Config
Heat Temp
Scroll for Parameters
Silence
Alarm Indicator
Mode Select
Switch
Message
Center
Mode Select
Indicators
Up and Down
Arrows
Enter
Heat Indicator
Temp Display
Scroll for Parameters
Figure 1-5. Control Panel

29 cu ft Environmental Chamber 1-3Thermo Scientific
Section 1
Installation and Start-Up
Install the Unit
The Model 3960 Series Reach-In Incubator has four basic modes that
allow incubator setup: Run, Setpoints, Calibration and System
Configuration.
• Run is the default mode during normal operation.
• Set is used to enter system setpoints.
• Calibration is used to calibrate various system parameters.
• Configuration allows for custom setup of various options.
The chart below shows the selections under each of the modes.
Scroll for Parameters Arrows: Steps the operator through the parameters
of SET, CAL and CONFIG Modes. The right arrow goes to the next
parameter, the left arrow returns to the previous parameter.
Up Arrow: Increases or toggles the parameter values that have been select-
ed in the SET, CAL, and CONFIG Modes.
Enter: Must press Enter key to save to memory all changed values.
Down Arrow: Decreases or toggles the parameter values that have been
selected in the SET, CAL and CONFIG Modes.
Silence Key: Press to silence the audible alarm. See Section 4 for alarm
ringback times.
Units must be installed against a wall or similar structure. Maintain a three
inch clearance behind the incubator for electrical connections.
Locate the unit on a firm level surface capable of supporting the unit’s
weight of approximately 500 lbs. Position it away from doors and windows
and heating and air conditioning ducts.
Warning This incubator weighs approximately 500 lbs. Have sufficient
personnel available when moving. s
Keypad Operation
RUN SETPOINT CALIBRATION CONFIGURATION
Default Mode Temperature Temp Offset Audible
Overtemp Access Code
Temp Lo Alarm
Temp Relay
RS485 Address