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Summary of Contents for Thermo Scientific 3920
- Page 1 Model 3920 Forma Environmental Chamber Operating and Maintenance Manual 7053920 Rev. 0...
- Page 2 Preface MANUAL NUMBER 7053920 25355/IN-3932 5/14/09 Original - line cord to 30A and FLA to 20A (including 4A for optional DLP) ECR/ECN DATE DESCRIPTION Thermo Scientific Environmental Chamber...
- Page 3 Material in this manual is for information purposes only. The contents and the product it describes are subject to change without notice. Thermo 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.
- Page 4 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 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.
- Page 5 We can also provide you with a quotation on our Extended Warranty for your Thermo Scientific products. Whatever Thermo Scientific products you need or use, we will be happy to discuss your applications. If you are experiencing technical problems, working together, we will help you locate the problem and, chances are, correct it yourself...over the telephone without a service...
- Page 6 • Repairs to parts or systems resulting from unauthorized unit modifications. • Any labor costs other than that specified during the parts and labor warranty period, which may include additional warranty on CO sensors, blower motors, water jackets, etc. Thermo Scientific Environmental Chamber...
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Page 8: Table Of Contents
Preventive Maintenance ........3-2 Thermo Scientific... - Page 9 Warranty Information .........9-1 Appendix A Recorder Supplement Environmental Chamber Thermo Scientific...
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Page 10: Installation And Set-Up
Installation and Set-Up Section 1 Figure 1-1. Front View Figure 1-2. Side View Thermo Scientific Environmental Chamber... -
Page 11: Location
Figure 1-3. Shelf Channels be level. Leveling the Unit Place a bubble-type level on a shelf inside the incubator. Adjust the feet as needed; counterclockwise to lengthen or clockwise to shorten. Level the unit front-to-back and left-to-right. Environmental Chamber Thermo Scientific... -
Page 12: Attaching The Drain Connections
Position the incubator so the unit can be easily disconnected. Plug the provided 8 ft. power cord with a NEMA 5-20 plug into the grounded dedicated electrical circuit. A NEMA 5-30 plug is provided on units with the optional door light package. Thermo Scientific Environmental Chamber... -
Page 13: Start-Up
Note When the chamber temperature control setpoint is changed, the overtemp safety thermostat must be reset to accommodate the change. Note The overtemp control is not directly calibrated. The numbers on the dial are for reference only. Environmental Chamber Thermo Scientific... -
Page 14: Set Undertemp Safety Thermostat
LED will flash. If power is lost to the cabinet, the LED will also flash. When replacing the 9-volt battery, use only an alkaline style battery. Dispose of the old battery following established environmental practices. Thermo Scientific Environmental Chamber... -
Page 15: Change Chart Paper
The recorder is capable of recording both temperature and humidity and printing alphanumeric chart data on blank heat-sensitive chart. Refer to the Honeywell Configuration Record at the end of Section 4 and the supplemental Honeywell Recorder manual. Environmental Chamber Thermo Scientific... -
Page 16: Ir Co
4. While holding the fitting body steady with a wrench, tighten the nut 1-1/4 turns until the mark is at the 9:00 position. 5. Securely attach the CO line to the open end of the copper tubing. 6. Check the tubing connection for leaks. Thermo Scientific Environmental Chamber... -
Page 17: Set Co 2 Content
The CO alarm high and low setpoints are established through the Watlow SD CO controller (ALO, and AHI). Refer to the Configuration Record included at the end of Section 4. Figure 1-8. CO Control and Indicators Environmental Chamber Thermo Scientific... -
Page 18: Start-Up And Operation
Caution The defrost switch must be set to Auto when the temperature setpoint is 10°C, or below. Cool Indicator The Cool Indicator is illuminated when the refrigeration system is acti- vated. Heat Indicator The Heat Indicator is illuminated when the heater is activated. Thermo Scientific Environmental Chamber... -
Page 19: Set The Operating Temperature
The Watlow temperature controller’s upper numerical display shows the actual temperature inside the incubator chamber. The lower display shows Temperature the temperature setpoint. Changing the Setpoint To raise or lower the setpoint, press the Up or Down Arrow. Temperatures are set in 0.1°C increments. Environmental Chamber Thermo Scientific... -
Page 20: Air Exchange Ventilator Caps
The optional heatless dryer provides dehumidification for the incubator chamber. The dehumidify switch must be turned on for the dryer to 1900139 (optional) operate. The dryer is controlled with the humidity controller and should operate at 90 psi. Thermo Scientific Environmental Chamber... -
Page 22: Routine Maintenance
Caution Do not use volatile or aromatic solvents for cleaning inside the cabinet as their residue can contaminate the cabinet environment. The Thermopane glass door may be cleaned with commercial glass cleaner or with a solution of ammonia and water. Thermo Scientific Environmental Chamber... -
Page 26: Service
10. Disconnect the two wires from the back of the thermostat assembly. 11. Pull the entire assembly from the panel, and remove the unit. 12. Replace the thermostat and probe. Note Reseal probe access hole with Permagum and tie-wrap overtemp cable to existing wires after replacing probe. Thermo Scientific Environmental Chamber... -
Page 27: Replace Temperature Sensor
Press and side views in Figure 4-1. When all tabs MODE are unlocked, pull the controller module out SERIES 982 of its frame. Press Press Side View Figure 4-1. Remove Controller Environmental Chamber Thermo Scientific... -
Page 28: Remove Mechanical Lockout
Try again. Press the Up Arrow until “gLbL” (global) appears in the upper display. The word “SEt” will remain in the lower display (Figure 4-4). Figure 4-3. INPUT and SET Figure 4-4. GLOBAL and SET Thermo Scientific Environmental Chamber... -
Page 29: Controller Configuration
1. Suspend an independent, calibrated sensor(s) in the center of the interior chamber. 2. Allow approximately 30 minutes for the incubator to stabilize. 3. Turn off the main power switch. 4. Wear a grounding wrist strap to avoid damaging any of the electrical components. Environmental Chamber Thermo Scientific... - Page 30 Mode key until “CAL 1” appears in the lower display. Press the Up or Down Arrow key to either add or subtract an offset value. This value is the difference between the actual value shown on the controller, and the reference sensor value. 12. Press the Display key once. Thermo Scientific Environmental Chamber...
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Page 31: Turn Hardware Lockout Back On
3. Remove the screws securing the ceiling of the incubator and remove the ceiling. 4. Remove the top three screws on both edges of the right duct sheet. 5. Lean the duct sheet out in order to remove the Permagum seal from around the probe access hole. Environmental Chamber Thermo Scientific... -
Page 32: Calibrate The Recorder
If an adjustment is necessary, press either the #1 or #2 button to move the pen left or right. The button must be held about five seconds before the pen begins to move. Release the button when the pen matches the Figure 4-9. Button thermometer. Thermo Scientific Environmental Chamber... -
Page 33: Set The Door Heater Control
1. Press the Advance key until “CAL” appears in the lower display. 2. Use the up and down arrows to make offset adjustment. 3. Press the Infinity key to exit the Calibration menu. Figure 4-11. Keys Environmental Chamber Thermo Scientific... - Page 34 Section 4 Service WATLOW 982 CONFIGURATION RECORD CUSTOMER: 3920 & 3940 (Release 9) JOB NUMBER: SERIAL NUMBER: CONTROL TYPE: TEMPERATURE (RTD) PREPARED BY: DATE: 12/12/2006 COMPLETED BY: DATE: Switch Configuration: (1)*** Main Boards Input 1 Board Software Configuration: Setup Menus...
- Page 35 NOTE: Not all available parameters are listed on this page. See Watlow manual for more information. NOTES: ¹ - Lock out setting range 1 to 4. (Factory set at 3) ² - %power output display. Not configurable. ³ - User settable calibration offset. - User selectable alarm points. 4-10 Environmental Chamber Thermo Scientific...
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Page 36: Specifications
Outer Door Gasket . .Four sided vinyl compression Finish ..... . .Powder coated Salt spray tests exceed 1000 hrs. per ASTM Standard B117-85. Thermo Scientific Environmental Chamber... - Page 37 ....(78.7cm x 152.4cm x 68.6cm) Continuing research and improvements may result in specification changes at any time. Performance plus or minus the least significant digit unless otherwise specified. * Better than ±0.5°C uniformity at all other temperature parameters. Environmental Chamber Thermo Scientific...
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Page 38: Spare Parts
Watlow SD Controller (CO option) 285614 20A Fuse 403940 Over Temp Thermostat 403941 Under Temp Thermostat 410048 Defrost Timer 630090 Heater (wirewound) 205062 Condensing Unit, 1/4 HP 115V R-134A 285599 Thermal Fuse 830044 Blower Motor, 1/4 HP, 115V Thermo Scientific Environmental Chamber... - Page 39 Environmental Chamber Thermo Scientific...
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- Page 48 INSTALLATION, OPERATION AND SERVICE INSTRUCTIONS FOR CIRCULAR CHART RECORDERS RECORDERS, INC. CAUTION: IT IS IMPORTANT THAT THESE INSTRUCTIONS BE READ BEFORE INSTALLING THE INSTRUMENT. KEEP THESE INSTRUCTIONS ON FILE FOR FUTURE REFERENCE. RECEIVING INSPECTION UNPACKING As soon as the recorder is received, visually inspect Each recorder is shipped with the standard accessory the shipping container for signs of damage.
- Page 49 RECORDER CASE LOCATION information concerning the connection of the probe to the recorder. Upon unpacking, find a suitable location to mount the This recording unit is capable of accepting input from unit before plugging it in. After the recorder has been either a CURRENT source (such as 4-20mA), a connected to the main AC power supply, connect the VOLTAGE source (such as 0-1 Volt, 0-5 Volts, 1-5...
- Page 50 Next, you will need to determine the type of micro- processor controller PC board that is installed in your recorder. Refer to Figures 1A, 1B and 1C and compare these figures to the microprocessor controller PC board that is installed in your recorder. TYPE "A"...
- Page 51 CHANGING THE CHART PAPER out, the pen color will become lighter. This indicates that the pen should be replaced. Press and hold the "change chart" button (#3) for REPLACEMENT OF PEN approximately one (1) second until the pen begins to move to the left of the chart and then release the button.
- Page 52 should briefly stop at the outer most temperature 2a. For two (2) pen recorders, also compare the graduation of the chart before continuing onto the second thermometer's reading to the second pen of chart to begin recording. If the pen does not stop the recorder.
- Page 53 BATTERY LOCATION chart plate to expose the relay that is mounted to the back of the chart plate. Otherwise, your recording unit AND REPLACEMENT will have a hinged chart plate held in place by two (2) screws located in the upper and lower right hand 4", 6"...
- Page 54 Press and hold the "change chart" button (#3) until the This recording unit has the option for the user to select pen arm begins to move off of the chart and then from several temperature "ranges" that release the button. Wait until the pen has moved programmed into the recorder.
- Page 55 right arrow button (#2) to decrease the range number RECORDER SPECIFICATIONS that is selected for the recorder. When you have finished selecting the range, press and hold the INPUT "change chart" button (#3) until the pen begins to Nominal Input Voltage: Single Phase 115/230VAC. move back onto the chart and the selected range will Nominal Input Current: 40mA/20mA be saved into the recorder's permanent memory.
- Page 56 Figure 6A: Recorder Assembly “Type A” (Rear View). Figure 6B: Recorder Assembly “Type A” with Electric Contact Option (Rear View). R70-32 (WEB) REV(12-04) D...
- Page 57 Figure 6C: Recorder Assembly Type “B” (Rear View). Figure 6D: Recorder Assembly Type “C” (Rear View). R70-32 (WEB) REV(12-04) D...
- Page 58 Figure 7: 6” Recorder Case Dimensions. R70-32 (WEB) REV(12-04) D...
- Page 59 Figure 8: 8” Recorder Case Dimensions. For all physical dimensions and panel cut-out dimensions for skeleton and skeleton with door recorders, please contact C Recorders, Inc. GUARANTEE: COBEX products are warranted to be of good workmanship and quality and free from defects under normal use and service. This warranty is limited to repairing such defects, provided return is made prepaid to COBEX Recorders, Inc., Coconut Creek, Florida within one (1) year after delivery to the original purchaser.
- Page 60 Thermo Scientific Controlled Environment Equipment 401 Millcreek Road Marietta, Ohio 45750 United States www.thermofisher.com...
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